--- a/Makefile	Mon Jan 11 21:25:58 2021 +0100
+++ b/Makefile	Wed Jan 13 17:18:35 2021 +0100
@@ -34,11 +34,27 @@
 
 LIBIRCCD=               lib/libirccd.a
 LIBIRCCD_SRCS=          lib/irccd/dl-plugin.c
+LIBIRCCD_SRCS+=         lib/irccd/irccd.c
 LIBIRCCD_SRCS+=         lib/irccd/log.c
 LIBIRCCD_SRCS+=         lib/irccd/plugin.c
 LIBIRCCD_SRCS+=         lib/irccd/server.c
 LIBIRCCD_SRCS+=         lib/irccd/subst.c
 LIBIRCCD_SRCS+=         lib/irccd/util.c
+
+ifeq (${WITH_JS},yes)
+LIBIRCCD_SRCS+=         lib/irccd/js-plugin.c
+LIBIRCCD_SRCS+=         lib/irccd/jsapi-chrono.c
+LIBIRCCD_SRCS+=         lib/irccd/jsapi-file.c
+LIBIRCCD_SRCS+=         lib/irccd/jsapi-irccd.c
+LIBIRCCD_SRCS+=         lib/irccd/jsapi-logger.c
+LIBIRCCD_SRCS+=         lib/irccd/jsapi-plugin.c
+LIBIRCCD_SRCS+=         lib/irccd/jsapi-server.c
+LIBIRCCD_SRCS+=         lib/irccd/jsapi-system.c
+LIBIRCCD_SRCS+=         lib/irccd/jsapi-timer.c
+LIBIRCCD_SRCS+=         lib/irccd/jsapi-unicode.c
+LIBIRCCD_SRCS+=         lib/irccd/unicode.c
+endif
+
 LIBIRCCD_OBJS=          ${LIBIRCCD_SRCS:.c=.o}
 LIBIRCCD_DEPS=          ${LIBIRCCD_SRCS:.c=.d}
 

--- a/config.mk	Mon Jan 11 21:25:58 2021 +0100
+++ b/config.mk	Wed Jan 13 17:18:35 2021 +0100
@@ -20,6 +20,9 @@
 CC=                     cc
 AR=                     ar
 
+CFLAGS=                 -g -O0 -fsanitize=address,undefined
+LDFLAGS=                -fsanitize=address,undefined
+
 # Installation paths.
 PREFIX=                 /usr/local
 BINDIR=                 bin

--- a/irccd/main.c	Mon Jan 11 21:25:58 2021 +0100
+++ b/irccd/main.c	Wed Jan 13 17:18:35 2021 +0100
@@ -16,52 +16,48 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#include <poll.h>
 #include <stdio.h>
 #include <err.h>
 
 #include <irccd/event.h>
+#include <irccd/irccd.h>
+#include <irccd/js-plugin.h>
+#include <irccd/plugin.h>
+#include <irccd/log.h>
 #include <irccd/server.h>
 
+static struct irc_plugin js = {
+	.name = "example"
+};
+
 int
 main(int argc, char **argv)
 {
 	struct irc_server s = {
 		.name = "malikania",
-		.host = "malikania.fr",
+		.hostname = "malikania.fr",
 		.port = 6667,
 		.nickname = "circ",
 		.username = "circ",
 		.realname = "circ"
 	};
-	struct irc_event ev;
-
-	struct pollfd fd;
-
-	irc_server_connect(&s);
-	irc_server_join(&s, "#test", NULL);
-
-	for (;;) {
-		irc_server_prepare(&s, &fd);
-
-		if (poll(&fd, 1, -1) < 0)
-			err(1, "poll");
-
-		irc_server_flush(&s, &fd);
+	struct irc_server freenode = {
+		.name = "freenode",
+		.hostname = "chat.freenode.net",
+		.port = 6667,
+		.nickname = "circ",
+		.username = "circ",
+		.realname = "circ"
+	};
 
-		while (irc_server_poll(&s, &ev)) {
-			switch (ev.type) {
-			case IRC_EVENT_MESSAGE:
-				printf("message, origin=%s,channel=%s,message=%s\n",
-				    ev.message.origin,ev.message.channel, ev.message.message);
-				break;
-			case IRC_EVENT_ME:
-				printf("me, origin=%s,channel=%s,message=%s\n",
-				    ev.me.origin,ev.me.channel, ev.me.message);
-				break;
-			default:
-				break;
-			}
-		}
-	}
+	irc_init();
+	irc_log_set_verbose(true);
+	irc_server_join(&s, "#test", NULL);
+	//irc_server_join(&freenode, "#irccd", NULL);
+	irc_add_server(&s);
+	irc_add_server(&freenode);
+	if (!irc_js_plugin_open(&js, "/Users/markand/Dev/irccd-4/test.js"))
+		return 1;
+	irc_add_plugin(&js);
+	irc_run();
 }

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/irccd/js-plugin.c	Wed Jan 13 17:18:35 2021 +0100
@@ -0,0 +1,500 @@
+/*
+ * jsapi-plugin.c -- Javascript plugins
+ *
+ * Copyright (c) 2013-2021 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/stat.h>
+#include <assert.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdarg.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <duktape.h>
+
+#include "event.h"
+#include "js-plugin.h"
+#include "jsapi-file.h"
+#include "jsapi-irccd.h"
+#include "jsapi-logger.h"
+#include "jsapi-plugin.h"
+#include "jsapi-plugin.h"
+#include "jsapi-server.h"
+#include "jsapi-system.h"
+#include "jsapi-timer.h"
+#include "jsapi-unicode.h"
+#include "log.h"
+#include "plugin.h"
+#include "util.h"
+
+struct self {
+	duk_context *ctx;
+	char **options;
+	char **templates;
+	char **paths;
+	char *license;
+	char *version;
+	char *author;
+	char *description;
+};
+
+static void
+freelist(char **table)
+{
+	for (char **p = table; *p; ++p)
+		free(*p);
+
+	free(table);
+}
+
+static char *
+metadata(duk_context *ctx, const char *name)
+{
+	char *ret = NULL;
+
+	duk_get_global_string(ctx, "info");
+
+	if (duk_get_type(ctx, -1) == DUK_TYPE_OBJECT) {
+		duk_get_prop_string(ctx, -1, name);
+
+		if (duk_get_type(ctx, -1) == DUK_TYPE_STRING)
+			ret = irc_util_strdup(duk_get_string(ctx, -1));
+
+		duk_pop(ctx);
+	}
+
+	duk_pop(ctx);
+
+	return ret ? ret : irc_util_strdup("unknown");
+}
+
+static const char **
+get_table(duk_context *ctx, const char *name, char ***ptable)
+{
+	char **list;
+	size_t listsz;
+
+	duk_get_global_string(ctx, name);
+
+	if (!(listsz = duk_get_length(ctx, -1))) {
+		duk_pop(ctx);
+		return NULL;
+	}
+
+	list = irc_util_calloc(listsz + 1, sizeof (char *));
+
+	duk_enum(ctx, -1, 0);
+
+	for (size_t i = 0; i < listsz && duk_next(ctx, -1, true); ++i) {
+		list[i] = irc_util_strdup(duk_to_string(ctx, -2));
+		duk_pop_n(ctx, 2);
+	}
+
+	duk_pop_n(ctx, 2);
+
+	freelist(*ptable);
+	*ptable = list;
+
+	return (const char **)list;
+}
+
+static void
+set_key_value(duk_context *ctx, const char *table, const char *key, const char *value)
+{
+	duk_get_global_string(ctx, table);
+	duk_push_string(ctx, value);
+	duk_put_prop_string(ctx, -2, key);
+	duk_pop(ctx);
+}
+
+static const char *
+get_value(duk_context *ctx, const char *table, const char *key)
+{
+	const char *ret;
+
+	duk_get_global_string(ctx, table);
+	duk_get_prop_string(ctx, -1, key);
+	ret = duk_to_string(ctx, -1);
+	duk_pop_n(ctx, 2);
+
+	return ret;
+}
+
+static void
+set_template(struct irc_plugin *plg, const char *key, const char *value)
+{
+	struct self *js = plg->data;
+
+	set_key_value(js->ctx, IRC_JSAPI_PLUGIN_PROP_TEMPLATES, key, value);
+}
+
+static const char *
+get_template(struct irc_plugin *plg, const char *key)
+{
+	struct self *js = plg->data;
+
+	return get_value(js->ctx, IRC_JSAPI_PLUGIN_PROP_TEMPLATES, key);
+}
+
+static const char **
+get_templates(struct irc_plugin *plg)
+{
+	struct self *js = plg->data;
+
+	return get_table(js->ctx, IRC_JSAPI_PLUGIN_PROP_TEMPLATES, &js->templates);
+}
+
+static void
+set_path(struct irc_plugin *plg, const char *key, const char *value)
+{
+	struct self *js = plg->data;
+
+	set_key_value(js->ctx, IRC_JSAPI_PLUGIN_PROP_PATHS, key, value);
+}
+
+static const char *
+get_path(struct irc_plugin *plg, const char *key)
+{
+	struct self *js = plg->data;
+
+	return get_value(js->ctx, IRC_JSAPI_PLUGIN_PROP_PATHS, key);
+}
+
+static const char **
+get_paths(struct irc_plugin *plg)
+{
+	struct self *js = plg->data;
+
+	return get_table(js->ctx, IRC_JSAPI_PLUGIN_PROP_PATHS, &js->paths);
+}
+
+static void
+set_option(struct irc_plugin *plg, const char *key, const char *value)
+{
+	struct self *js = plg->data;
+
+	set_key_value(js->ctx, IRC_JSAPI_PLUGIN_PROP_OPTIONS, key, value);
+}
+
+static const char *
+get_option(struct irc_plugin *plg, const char *key)
+{
+	struct self *js = plg->data;
+
+	return get_value(js->ctx, IRC_JSAPI_PLUGIN_PROP_OPTIONS, key);
+}
+
+static const char **
+get_options(struct irc_plugin *plg)
+{
+	struct self *js = plg->data;
+
+	return get_table(js->ctx, IRC_JSAPI_PLUGIN_PROP_OPTIONS, &js->options);
+}
+
+static void
+vcall(duk_context *ctx, const char *function, const char *fmt, va_list ap)
+{
+	int nargs = 0;
+
+	printf("obtain %s\n", function);
+	duk_get_global_string(ctx, function);
+
+	if (!duk_is_function(ctx, -1)) {
+		puts("not callable...");
+		duk_pop(ctx);
+		return;
+	}
+
+	for (const char *f = fmt; *f; ++f) {
+		bool array = false;
+		void (*push)(duk_context *, void *);
+
+		switch (*f) {
+		case '>':
+			array = true;
+			break;
+		case 'S':
+			nargs++;
+			irc_jsapi_server_push(ctx, va_arg(ap, struct irc_server *));
+			break;
+		case 's':
+			if (array) {
+				const char **list = va_arg(ap, const char **), **p;
+				int i = 0;
+
+				duk_push_array(ctx);
+
+				for (p = list; *p; ++p) {
+					nargs++;
+					duk_push_string(ctx, *p);
+					duk_put_prop_index(ctx, -2, i++);
+				};
+			} else {
+				nargs++;
+				duk_push_string(ctx, va_arg(ap, const char *));
+			}
+			break;
+		case 'x':
+			nargs++;
+			push = va_arg(ap, void (*)(duk_context *, void *));
+			push(ctx, va_arg(ap, void *));
+			break;
+		default:
+			break;
+		}
+	}
+
+	if (duk_pcall(ctx, nargs) != 0) {
+		printf("errro: %s\n", duk_to_string(ctx, -1));
+	}
+
+	duk_pop(ctx);
+}
+
+static void
+call(struct irc_plugin *plg, const char *function, const char *fmt, ...)
+{
+	struct self *self = plg->data;
+	va_list ap;
+
+	va_start(ap, fmt);
+	vcall(self->ctx, function, fmt, ap);
+	va_end(ap);
+}
+
+static void
+handle(struct irc_plugin *plg, const struct irc_event *ev)
+{
+	switch (ev->type) {
+	case IRC_EVENT_CONNECT:
+		call(plg, "onConnect", "S", ev->server);
+		break;
+	case IRC_EVENT_DISCONNECT:
+		call(plg, "onDisconnect", "S", ev->server);
+		break;
+	case IRC_EVENT_INVITE:
+		call(plg, "onInvite", "Ssss", ev->server, ev->invite.origin,
+		    ev->invite.channel, ev->invite.nickname);
+		break;
+	case IRC_EVENT_JOIN:
+		call(plg, "onJoin", "Sss", ev->server, ev->join.origin,
+		    ev->join.channel);
+		break;
+	case IRC_EVENT_KICK:
+		call(plg, "onKick", "Sssss", ev->server, ev->kick.origin, ev->kick.channel,
+		    ev->kick.target, ev->kick.reason);
+		break;
+	case IRC_EVENT_ME:
+		call(plg, "onMe", "Ssss", ev->server, ev->me.origin, ev->me.channel,
+		    ev->me.message);
+		break;
+	case IRC_EVENT_MESSAGE:
+		call(plg, "onMessage", "Ssss", ev->server, ev->message.origin,
+		    ev->message.channel, ev->message.message);
+		break;
+	case IRC_EVENT_MODE:
+		call(plg, "onMode", "Sssssss", ev->server, ev->mode.origin, ev->mode.channel,
+		    ev->mode.mode, ev->mode.limit, ev->mode.user, ev->mode.mask);
+		break;
+#if 0
+	case IRC_EVENT_NAMES:
+		call(plg, "onNames", "Ss>s", ev->names.server, ev->names.channel,
+		    ev->names.names);
+		break;
+#endif
+	case IRC_EVENT_NICK:
+		call(plg, "onNick", "Sss", ev->server, ev->nick.origin, ev->nick.nickname);
+		break;
+	case IRC_EVENT_NOTICE:
+		call(plg, "onNotice", "Ssss", ev->server, ev->notice.origin,
+		    ev->notice.channel, ev->notice.message);
+		break;
+	case IRC_EVENT_PART:
+		call(plg, "onPart", "Ssss", ev->server, ev->part.origin, ev->part.channel,
+		    ev->part.reason);
+		break;
+	case IRC_EVENT_TOPIC:
+		call(plg, "onTopic", "Ssss", ev->server, ev->topic.origin,
+		    ev->topic.channel, ev->topic.topic);
+		break;
+#if 0
+	case IRC_EVENT_WHOIS:
+		call(plg, "onWhois", "Sx", ev->topic.server, js_event_whois_push, &ev->whois.whois);
+		break;
+#endif
+	default:
+		break;
+	}
+}
+
+static char *
+eat(const char *path)
+{
+	int fd = -1;
+	char *ret = NULL;
+	struct stat st;
+
+	if ((fd = open(path, O_RDONLY)) < 0)
+		goto err;
+	if (fstat(fd, &st) < 0)
+		goto err;
+	if (!(ret = calloc(1, st.st_size + 1)))
+		goto err;
+	if (read(fd, ret, st.st_size) != st.st_size)
+		goto err;
+
+	close(fd);
+
+	return ret;
+
+err:
+	close(fd);
+	free(ret);
+
+	return false;
+}
+
+static void *
+wrap_malloc(void *udata, size_t size)
+{
+	(void)udata;
+
+	return irc_util_malloc(size);
+}
+
+static void *
+wrap_realloc(void *udata, void *ptr, size_t size)
+{
+	(void)udata;
+
+	return irc_util_realloc(ptr, size);
+}
+
+static void
+wrap_free(void *udata, void *ptr)
+{
+	(void)udata;
+
+	free(ptr);
+}
+
+static bool
+init(struct irc_plugin *plg, const char *script)
+{
+	struct self js = {0};
+
+	/* Load all modules. */
+	js.ctx = duk_create_heap(wrap_malloc, wrap_realloc, wrap_free, NULL, NULL);
+	irc_jsapi_load(js.ctx);
+	irc_jsapi_file_load(js.ctx);
+	irc_jsapi_logger_load(js.ctx);
+	irc_jsapi_plugin_load(js.ctx, plg);
+	irc_jsapi_server_load(js.ctx);
+	irc_jsapi_system_load(js.ctx);
+	irc_jsapi_timer_load(js.ctx);
+	irc_jsapi_unicode_load(js.ctx);
+
+	if (duk_peval_string(js.ctx, script) != 0) {
+		irc_log_warn("plugin %s: %s", plg->name, duk_to_string(js.ctx, -1));
+		duk_destroy_heap(js.ctx);
+		return false;
+	}
+
+	plg->license = js.license = metadata(js.ctx, "license");
+	plg->version = js.version = metadata(js.ctx, "version");
+	plg->author = js.author = metadata(js.ctx, "author");
+	plg->description = js.description = metadata(js.ctx, "summary");
+	plg->data = irc_util_memdup(&js, sizeof (js));
+
+	return true;
+}
+
+static void
+load(struct irc_plugin *plg)
+{
+	call(plg, "onLoad", "");
+}
+
+static void
+reload(struct irc_plugin *plg)
+{
+	call(plg, "onReload", "");
+}
+
+static void
+unload(struct irc_plugin *plg)
+{
+	call(plg, "onUnload", "");
+}
+
+static void
+finish(struct irc_plugin *plg)
+{
+	struct self *self = plg->data;
+
+	if (self->ctx)
+		duk_destroy_heap(self->ctx);
+
+	free(self->license);
+	free(self->version);
+	free(self->author);
+	free(self->description);
+
+	memset(self, 0, sizeof (*self));
+}
+
+bool
+irc_js_plugin_open(struct irc_plugin *plg, const char *path)
+{
+	assert(plg);
+	assert(path);
+
+	bool ret = false;
+	char *script = NULL;
+
+	if (!(script = eat(path))) {
+		irc_log_warn("plugin: %s", strerror(errno));
+		return false;
+	}
+
+	if (!(init(plg, script))) {
+		free(script);
+		return false;
+	}
+
+	plg->set_template = set_template;
+	plg->get_template = get_template;
+	plg->get_templates = get_templates;
+	plg->set_path = set_path;
+	plg->get_path = get_path;
+	plg->get_paths = get_paths;
+	plg->set_option = set_option;
+	plg->get_option = get_option;
+	plg->get_options = get_options;
+	plg->load = load;
+	plg->reload = reload;
+	plg->unload = unload;
+	plg->handle = handle;
+	plg->finish = finish;
+
+	/* No longer needed. */
+	free(script);
+
+	/* If error occured, init() has logged. */
+	return plg->data != NULL;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/irccd/js-plugin.h	Wed Jan 13 17:18:35 2021 +0100
@@ -0,0 +1,29 @@
+/*
+ * js-plugin.h -- Javascript plugins
+ *
+ * Copyright (c) 2013-2021 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef IRCCD_JS_PLUGIN_H
+#define IRCCD_JS_PLUGIN_H
+
+#include <stdbool.h>
+
+struct irc_plugin;
+
+bool
+irc_js_plugin_open(struct irc_plugin *, const char *);
+
+#endif /* !IRCCD_JS_PLUGIN_H */

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/irccd/jsapi-chrono.c	Wed Jan 13 17:18:35 2021 +0100
@@ -0,0 +1,120 @@
+/*
+ * jsapi-chrono.c -- Irccd.Chrono API
+ *
+ * Copyright (c) 2013-2021 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdbool.h>
+#include <time.h>
+
+#include <duktape.h>
+
+#include "util.h"
+
+#define SIGNATURE DUK_HIDDEN_SYMBOL("Irccd.Chrono")
+
+struct timer {
+	struct timespec start;
+};
+
+static struct timer *
+self(duk_context *ctx)
+{
+	struct timer *self;
+
+	duk_push_this(ctx);
+	duk_get_prop_string(ctx, -1, SIGNATURE);
+	self = duk_to_pointer(ctx, -1);
+	duk_pop_2(ctx);
+
+	if (!self)
+		duk_error(ctx, DUK_ERR_TYPE_ERROR, "not an Chrono object");
+
+	return self;
+}
+
+static duk_ret_t
+Chrono_prototype_elapsed(duk_context *ctx)
+{
+	struct timer *timer = self(ctx);
+	struct timespec now = {0};
+
+	timespec_get(&now, TIME_UTC);
+
+	duk_push_uint(ctx,
+		((now.tv_sec * 1000) - (timer->start.tv_sec * 1000)) +
+		((now.tv_nsec / 1000000) - (timer->start.tv_nsec / 1000000)));
+
+	return 1;
+}
+
+static duk_ret_t
+Chrono_prototype_reset(duk_context *ctx)
+{
+	timespec_get(&self(ctx)->start, TIME_UTC);
+
+	return 0;
+}
+
+static duk_ret_t
+Chrono_constructor(duk_context *ctx)
+{
+	struct timer *timer;
+
+	timer = irc_util_calloc(1, sizeof (*self));
+	timespec_get(&timer->start, TIME_UTC);
+
+	duk_push_this(ctx);
+	duk_push_pointer(ctx, timer);
+	duk_put_prop_string(ctx, -2, SIGNATURE);
+	duk_pop(ctx);
+
+	/* this.elapsed property. */
+	duk_push_string(ctx, "elapsed");
+	duk_push_c_function(ctx, Chrono_prototype_elapsed, 0);
+	duk_def_prop(ctx, -3, DUK_DEFPROP_HAVE_GETTER);
+
+	return 0;
+}
+
+static duk_ret_t
+Chrono_destructor(duk_context *ctx)
+{
+	duk_get_prop_string(ctx, 0, SIGNATURE);
+	free(duk_to_pointer(ctx, -1));
+	duk_pop(ctx);
+	duk_del_prop_string(ctx, 0, SIGNATURE);
+
+	return 0;
+}
+
+static const duk_function_list_entry methods[] = {
+	{ "reset",      Chrono_prototype_reset,         0 },
+	{ NULL,         NULL,                           0 }
+};
+
+void
+irc_js_chrono_load(duk_context *ctx)
+{
+	duk_get_global_string(ctx, "Irccd");
+	duk_push_c_function(ctx, Chrono_constructor, 0);
+	duk_push_object(ctx);
+	duk_put_function_list(ctx, -1, methods);
+	duk_push_c_function(ctx, Chrono_destructor, 1);
+	duk_set_finalizer(ctx, -2);
+	duk_put_prop_string(ctx, -2, "prototype");
+	duk_put_prop_string(ctx, -2, "Chrono");
+	duk_pop(ctx);
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/irccd/jsapi-chrono.h	Wed Jan 13 17:18:35 2021 +0100
@@ -0,0 +1,27 @@
+/*
+ * jsapi-chrono.h -- Irccd.Chrono API
+ *
+ * Copyright (c) 2013-2021 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef IRCCD_JSAPI_CHRONO_H
+#define IRCCD_JSAPI_CHRONO_H
+
+#include <duktape.h>
+
+void
+irc_jsapi_chrono_load(duk_context *);
+
+#endif /* !IRCCD_JSAPI_CHRONO_H */

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/irccd/jsapi-file.c	Wed Jan 13 17:18:35 2021 +0100
@@ -0,0 +1,514 @@
+/*
+ * jsapi-file.c -- Irccd.File API
+ *
+ * Copyright (c) 2013-2021 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/stat.h>
+#include <assert.h>
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <duktape.h>
+
+#include "jsapi-file.h"
+#include "jsapi-system.h"
+#include "util.h"
+
+#define SIGNATURE DUK_HIDDEN_SYMBOL("Irccd.File")
+#define PROTOTYPE DUK_HIDDEN_SYMBOL("Irccd.File.prototype")
+
+struct file {
+	char path[PATH_MAX];
+	FILE *fp;
+	int (*finalizer)(FILE *);
+};
+
+static int
+read_until_eof(duk_context *ctx, struct file *file)
+{
+	char *ret = NULL, *newret, buf[BUFSIZ];
+	size_t retsz = 0, nread;
+
+	/*
+	 * This function is shared with popen which can not be used with stat
+	 * so read the file by small piece of chunks and concat them until we
+	 * reach the end.
+	 */
+	while ((nread = fread(buf, 1, sizeof (buf), file->fp)) > 0) {
+		if (!(newret = realloc(ret, retsz + nread))) {
+			free(ret);
+			irc_jsapi_system_raise(ctx);
+		}
+
+		ret = newret;
+		memcpy(ret + retsz, buf, nread);
+		retsz += nread;
+	}
+
+	if (ferror(file->fp)) {
+		free(ret);
+		irc_jsapi_system_raise(ctx);
+	}
+
+	duk_push_lstring(ctx, ret, retsz);
+	free(ret);
+
+	return 1;
+}
+
+static int
+read_amount(duk_context *ctx, struct file *file, unsigned int amount)
+{
+	char *ret;
+	size_t nread;
+
+	if (!(ret = malloc(amount)))
+		irc_jsapi_system_raise(ctx);
+
+	if ((nread = fread(ret, 1, amount, file->fp)) <= 0 || ferror(file->fp)) {
+		free(ret);
+		irc_jsapi_system_raise(ctx);
+	}
+
+	duk_push_lstring(ctx, ret, nread);
+	free(ret);
+
+	return 1;
+}
+
+static void
+push_stat(duk_context *ctx, const struct stat *st)
+{
+	duk_push_object(ctx);
+
+#if defined(IRCCD_HAVE_STAT_ST_ATIME)
+	duk_push_int(ctx, st.st_atime);
+	duk_put_prop_string(ctx, -2, "atime");
+#endif
+#if defined(IRCCD_HAVE_STAT_ST_BLKSIZE)
+	duk_push_int(ctx, st.st_blksize);
+	duk_put_prop_string(ctx, -2, "blksize");
+#endif
+#if defined(IRCCD_HAVE_STAT_ST_BLOCKS)
+	duk_push_int(ctx, st.st_blocks);
+	duk_put_prop_string(ctx, -2, "blocks");
+#endif
+#if defined(IRCCD_HAVE_STAT_ST_CTIME)
+	duk_push_int(ctx, st.st_ctime);
+	duk_put_prop_string(ctx, -2, "ctime");
+#endif
+#if defined(IRCCD_HAVE_STAT_ST_DEV)
+	duk_push_int(ctx, st.st_dev);
+	duk_put_prop_string(ctx, -2, "dev");
+#endif
+#if defined(IRCCD_HAVE_STAT_ST_GID)
+	duk_push_int(ctx, st.st_gid);
+	duk_put_prop_string(ctx, -2, "gid");
+#endif
+#if defined(IRCCD_HAVE_STAT_ST_INO)
+	duk_push_int(ctx, st.st_ino);
+	duk_put_prop_string(ctx, -2, "ino");
+#endif
+#if defined(IRCCD_HAVE_STAT_ST_MODE)
+	duk_push_int(ctx, st.st_mode);
+	duk_put_prop_string(ctx, -2, "mode");
+#endif
+#if defined(IRCCD_HAVE_STAT_ST_MTIME)
+	duk_push_int(ctx, st.st_mtime);
+	duk_put_prop_string(ctx, -2, "mtime");
+#endif
+#if defined(IRCCD_HAVE_STAT_ST_NLINK)
+	duk_push_int(ctx, st.st_nlink);
+	duk_put_prop_string(ctx, -2, "nlink");
+#endif
+#if defined(IRCCD_HAVE_STAT_ST_RDEV)
+	duk_push_int(ctx, st.st_rdev);
+	duk_put_prop_string(ctx, -2, "rdev");
+#endif
+#if defined(IRCCD_HAVE_STAT_ST_SIZE)
+	duk_push_int(ctx, st.st_size);
+	duk_put_prop_string(ctx, -2, "size");
+#endif
+#if defined(IRCCD_HAVE_STAT_ST_UID)
+	duk_push_int(ctx, st.st_uid);
+	duk_put_prop_string(ctx, -2, "uid");
+#endif
+}
+
+static struct file *
+self(duk_context *ctx)
+{
+	struct file *file;
+
+	duk_push_this(ctx);
+	duk_get_prop_string(ctx, -1, SIGNATURE);
+	file = duk_to_pointer(ctx, -1);
+	duk_pop_2(ctx);
+
+	if (!file)
+		duk_error(ctx, DUK_ERR_TYPE_ERROR, "not a File object");
+
+	return file;
+}
+
+static duk_ret_t
+File_prototype_basename(duk_context *ctx)
+{
+	const struct file *file = self(ctx);
+
+	duk_push_string(ctx, irc_util_basename(file->path));
+
+	return 1;
+}
+
+static duk_ret_t
+File_prototype_close(duk_context *ctx)
+{
+	struct file *file = self(ctx);
+
+	if (file->fp) {
+		file->finalizer(file->fp);
+		file->fp = NULL;
+	}
+
+	return 0;
+}
+
+static duk_ret_t
+File_prototype_dirname(duk_context *ctx)
+{
+	const struct file *file = self(ctx);
+
+	duk_push_string(ctx, irc_util_dirname(file->path));
+
+	return 1;
+}
+
+static duk_ret_t
+File_prototype_lines(duk_context *ctx)
+{
+	struct file *file = self(ctx);
+	char *line = NULL;
+	size_t linesz = 0;
+
+	if (!file->fp) {
+		errno = EBADF;
+		irc_jsapi_system_raise(ctx);
+	}
+
+	duk_push_array(ctx);
+
+	for (int i = 0; getline(&line, &linesz, file->fp) >= 0; ++i) {
+		line[strcspn(line, "\r\n")] = 0;
+
+		duk_push_string(ctx, line);
+		duk_put_prop_index(ctx, -2, i);
+	}
+
+	free(line);
+
+	if (ferror(file->fp))
+		irc_jsapi_system_raise(ctx);
+
+	return 1;
+}
+
+static duk_ret_t
+File_prototype_read(duk_context *ctx)
+{
+	struct file *file = self(ctx);
+	unsigned int amount = duk_opt_uint(ctx, 0, -1);
+
+	if (!file->fp) {
+		errno = EBADF;
+		irc_jsapi_system_raise(ctx);
+	}
+
+	return amount == -1
+	    ? read_until_eof(ctx, file)
+	    : read_amount(ctx, file, amount);
+}
+
+static duk_ret_t
+File_prototype_readline(duk_context *ctx)
+{
+	const struct file *file = self(ctx);
+	char *line = NULL;
+	size_t linesz = 0;
+
+	if (!file->fp) {
+		errno = EBADF;
+		irc_jsapi_system_raise(ctx);
+	}
+
+	if (getline(&line, &linesz, file->fp) < 0 || ferror(file->fp)) {
+		free(line);
+		irc_jsapi_system_raise(ctx);
+	}
+
+	line[strcspn(line, "\r\n")] = 0;
+	duk_push_string(ctx, line);
+	free(line);
+
+	return 1;
+}
+
+static duk_ret_t
+File_prototype_remove(duk_context *ctx)
+{
+	if (remove(self(ctx)->path) < 0)
+		irc_jsapi_system_raise(ctx);
+
+	return 0;
+}
+
+static duk_ret_t
+File_prototype_seek(duk_context *ctx)
+{
+	const struct file *file = self(ctx);
+	const int type = duk_require_int(ctx, 0);
+	const long offset = duk_require_int(ctx, 1);
+
+	if (!file->fp || fseek(file->fp, offset, type) < 0)
+		irc_jsapi_system_raise(ctx);
+
+	return 0;
+}
+
+static duk_ret_t
+File_prototype_stat(duk_context *ctx)
+{
+	const struct file *file = self(ctx);
+	struct stat st;
+
+	if (!file->fp || fstat(fileno(file->fp), &st) < 0)
+		irc_jsapi_system_raise(ctx);
+
+	push_stat(ctx, &st);
+
+	return 0;
+}
+
+static duk_ret_t
+File_prototype_tell(duk_context *ctx)
+{
+	const struct file *file = self(ctx);
+	long position;
+
+	if (!file->fp || (position = ftell(file->fp)) < 0)
+		irc_jsapi_system_raise(ctx);
+
+	duk_push_number(ctx, position);
+
+	return 1;
+}
+
+static duk_ret_t
+File_prototype_write(duk_context *ctx)
+{
+	const struct file *file = self(ctx);
+	size_t datasz = 0, written;
+	const char *data = duk_require_lstring(ctx, 0, &datasz);
+
+	if (!file->fp)
+		irc_jsapi_system_raise(ctx);
+
+	written = fwrite(data, 1, datasz, file->fp);
+
+	if (ferror(file->fp))
+		irc_jsapi_system_raise(ctx);
+
+	duk_push_uint(ctx, written);
+
+	return 1;
+}
+
+static duk_ret_t
+File_constructor(duk_context *ctx)
+{
+	const char *path = duk_require_string(ctx, 0);
+	const char *mode = duk_require_string(ctx, 1);
+	FILE *fp;
+	struct file *file;
+
+	if (!duk_is_constructor_call(ctx))
+		return 0;
+
+	if (!(fp = fopen(path, mode)))
+		irc_jsapi_system_raise(ctx);
+
+	file = irc_util_calloc(1, sizeof (*file));
+	file->fp = fp;
+	file->finalizer = fclose;
+	strlcpy(file->path, path, sizeof (file->path));
+
+	duk_push_this(ctx);
+	duk_push_pointer(ctx, file);
+	duk_put_prop_string(ctx, -2, SIGNATURE);
+	duk_pop(ctx);
+
+	return 0;
+}
+
+static duk_ret_t
+File_destructor(duk_context *ctx)
+{
+	struct file *file;
+
+	duk_get_prop_string(ctx, 0, SIGNATURE);
+
+	if ((file = duk_to_pointer(ctx, -1)) && file->fp) {
+		file->finalizer(file->fp);
+		file->fp = NULL;
+		free(file);
+	}
+
+	duk_pop(ctx);
+	duk_del_prop_string(ctx, 0, SIGNATURE);
+
+	return 0;
+}
+
+static duk_ret_t
+File_basename(duk_context *ctx)
+{
+	const char *path = duk_require_string(ctx, 0);
+
+	duk_push_string(ctx, irc_util_basename(path));
+
+	return 1;
+}
+
+static duk_ret_t
+File_dirname(duk_context *ctx)
+{
+	const char *path = duk_require_string(ctx, 0);
+
+	duk_push_string(ctx, irc_util_dirname(path));
+
+	return 1;
+}
+
+static duk_ret_t
+File_exists(duk_context *ctx)
+{
+	const char *path = duk_require_string(ctx, 0);
+	struct stat st;
+
+	duk_push_boolean(ctx, stat(path, &st) == 0);
+
+	return 1;
+}
+
+static duk_ret_t
+File_remove(duk_context *ctx)
+{
+	const char *path = duk_require_string(ctx, 0);
+
+	if (remove(path) < 0)
+		irc_jsapi_system_raise(ctx);
+
+	return 0;
+}
+
+static duk_ret_t
+File_stat(duk_context *ctx)
+{
+	const char *path = duk_require_string(ctx, 0);
+	struct stat st;
+
+	if (stat(path, &st) < 0)
+		irc_jsapi_system_raise(ctx);
+
+	push_stat(ctx, &st);
+
+	return 0;
+}
+
+static const duk_function_list_entry methods[] = {
+	{ "basename",   File_prototype_basename,        0 },
+	{ "close",      File_prototype_close,           0 },
+	{ "dirname",    File_prototype_dirname,         0 },
+	{ "lines",      File_prototype_lines,           0 },
+	{ "read",       File_prototype_read,            1 },
+	{ "readline",   File_prototype_readline,        0 },
+	{ "remove",     File_prototype_remove,          0 },
+	{ "seek",       File_prototype_seek,            2 },
+	{ "stat",       File_prototype_stat,            0 },
+	{ "tell",       File_prototype_tell,            0 },
+	{ "write",      File_prototype_write,           1 },
+	{ NULL,         NULL,                           0 }
+};
+
+static const duk_function_list_entry functions[] = {
+	{ "basename",   File_basename,                  1 },
+	{ "dirname",    File_dirname,                   1 },
+	{ "exists",     File_exists,                    1 },
+	{ "remove",     File_remove,                    1 },
+	{ "stat",       File_stat,                      1 },
+	{ NULL,         NULL,                           0 }
+};
+
+static const duk_number_list_entry constants[] = {
+	{ "SeekCur",    SEEK_CUR                          },
+	{ "SeekEnd",    SEEK_END                          },
+	{ "SeekSet",    SEEK_SET                          },
+	{ NULL,         0                                 }
+};
+
+void
+irc_jsapi_file_load(duk_context *ctx)
+{
+	assert(ctx);
+
+	duk_get_global_string(ctx, "Irccd");
+	duk_push_c_function(ctx, File_constructor, 2);
+	duk_put_number_list(ctx, -1, constants);
+	duk_put_function_list(ctx, -1, functions);
+	duk_push_object(ctx);
+	duk_put_function_list(ctx, -1, methods);
+	duk_push_c_function(ctx, File_destructor, 1);
+	duk_set_finalizer(ctx, -2);
+	duk_dup(ctx, -1);
+	duk_put_global_string(ctx, PROTOTYPE);
+	duk_put_prop_string(ctx, -2, "prototype");
+	duk_put_prop_string(ctx, -2, "File");
+	duk_pop(ctx);
+}
+
+void
+irc_jsapi_file_push(duk_context *ctx, const char *path, FILE *fp, int (*finalizer)(FILE *))
+{
+	assert(ctx);
+	assert(fp);
+	assert(finalizer);
+
+	struct file file = {
+		.fp = fp,
+		.finalizer = finalizer
+	};
+
+	if (path)
+		strlcpy(file.path, path, sizeof (file.path));
+
+	duk_push_object(ctx);
+	duk_push_pointer(ctx, irc_util_memdup(&file, sizeof (file)));
+	duk_put_prop_string(ctx, -2, SIGNATURE);
+	duk_get_global_string(ctx, PROTOTYPE);
+	duk_set_prototype(ctx, -2);
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/irccd/jsapi-file.h	Wed Jan 13 17:18:35 2021 +0100
@@ -0,0 +1,30 @@
+/*
+ * jsapi-file.h -- Irccd.File API
+ *
+ * Copyright (c) 2013-2021 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef IRCCD_JSAPI_FILE_H
+#define IRCCD_JSAPI_FILE_H
+
+#include <duktape.h>
+
+void
+irc_jsapi_file_load(duk_context *);
+
+void
+irc_jsapi_file_push(duk_context *, const char *, FILE *, int (*)(FILE *));
+
+#endif /* !IRCCD_JSAPI_FILE_H */

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/irccd/jsapi-irccd.c	Wed Jan 13 17:18:35 2021 +0100
@@ -0,0 +1,322 @@
+/*
+ * jsapi-irccd.c -- Irccd API
+ *
+ * Copyright (c) 2013-2021 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <errno.h>
+#include <string.h>
+
+#include <duktape.h>
+
+#include "util.h"
+
+static duk_ret_t
+SystemError_constructor(duk_context *ctx)
+{
+	duk_push_this(ctx);
+	duk_push_int(ctx, duk_require_int(ctx, 0));
+	duk_put_prop_string(ctx, -2, "errno");
+	duk_push_string(ctx, duk_require_string(ctx, 1));
+	duk_put_prop_string(ctx, -2, "message");
+	duk_push_string(ctx, "SystemError");
+	duk_put_prop_string(ctx, -2, "name");
+	duk_pop(ctx);
+
+	return 0;
+}
+
+/* {{{ Constants for errno. */
+
+static const struct {
+	const char *name;
+	int value;
+} errors[] = {
+#if defined(E2BIG)
+	{ "E2BIG",              E2BIG           },
+#endif
+#if defined(EACCES)
+	{ "EACCES",             EACCES          },
+#endif
+#if defined(EADDRINUSE)
+	{ "EADDRINUSE",         EADDRINUSE      },
+#endif
+#if defined(EADDRNOTAVAIL)
+	{ "EADDRNOTAVAIL",      EADDRNOTAVAIL   },
+#endif
+#if defined(EAFNOSUPPORT)
+	{ "EAFNOSUPPORT",       EAFNOSUPPORT    },
+#endif
+#if defined(EAGAIN)
+	{ "EAGAIN",             EAGAIN          },
+#endif
+#if defined(EALREADY)
+	{ "EALREADY",           EALREADY        },
+#endif
+#if defined(EBADF)
+	{ "EBADF",              EBADF           },
+#endif
+#if defined(EBADMSG)
+	{ "EBADMSG",            EBADMSG         },
+#endif
+#if defined(EBUSY)
+	{ "EBUSY",              EBUSY           },
+#endif
+#if defined(ECANCELED)
+	{ "ECANCELED",          ECANCELED       },
+#endif
+#if defined(ECHILD)
+	{ "ECHILD",             ECHILD          },
+#endif
+#if defined(ECONNABORTED)
+	{ "ECONNABORTED",       ECONNABORTED    },
+#endif
+#if defined(ECONNREFUSED)
+	{ "ECONNREFUSED",       ECONNREFUSED    },
+#endif
+#if defined(ECONNREFUSED)
+	{ "ECONNRESET",         ECONNRESET      },
+#endif
+#if defined(EDEADLK)
+	{ "EDEADLK",            EDEADLK         },
+#endif
+#if defined(EDESTADDRREQ)
+	{ "EDESTADDRREQ",       EDESTADDRREQ    },
+#endif
+#if defined(EDOM)
+	{ "EDOM",               EDOM            },
+#endif
+#if defined(EEXIST)
+	{ "EEXIST",             EEXIST          },
+#endif
+#if defined(EFAULT)
+	{ "EFAULT",             EFAULT          },
+#endif
+#if defined(EFBIG)
+	{ "EFBIG",              EFBIG           },
+#endif
+#if defined(EHOSTUNREACH)
+	{ "EHOSTUNREACH",       EHOSTUNREACH    },
+#endif
+#if defined(EIDRM)
+	{ "EIDRM",              EIDRM           },
+#endif
+#if defined(EILSEQ)
+	{ "EILSEQ",             EILSEQ          },
+#endif
+#if defined(EINPROGRESS)
+	{ "EINPROGRESS",        EINPROGRESS     },
+#endif
+#if defined(EINTR)
+	{ "EINTR",              EINTR           },
+#endif
+#if defined(EINVAL)
+	{ "EINVAL",             EINVAL          },
+#endif
+#if defined(EIO)
+	{ "EIO",                EIO             },
+#endif
+#if defined(EISCONN)
+	{ "EISCONN",            EISCONN         },
+#endif
+#if defined(EISDIR)
+	{ "EISDIR",             EISDIR          },
+#endif
+#if defined(ELOOP)
+	{ "ELOOP",              ELOOP           },
+#endif
+#if defined(EMFILE)
+	{ "EMFILE",             EMFILE          },
+#endif
+#if defined(EMLINK)
+	{ "EMLINK",             EMLINK          },
+#endif
+#if defined(EMSGSIZE)
+	{ "EMSGSIZE",           EMSGSIZE        },
+#endif
+#if defined(ENAMETOOLONG)
+	{ "ENAMETOOLONG",       ENAMETOOLONG    },
+#endif
+#if defined(ENETDOWN)
+	{ "ENETDOWN",           ENETDOWN        },
+#endif
+#if defined(ENETRESET)
+	{ "ENETRESET",          ENETRESET       },
+#endif
+#if defined(ENETUNREACH)
+	{ "ENETUNREACH",        ENETUNREACH     },
+#endif
+#if defined(ENFILE)
+	{ "ENFILE",             ENFILE          },
+#endif
+#if defined(ENOBUFS)
+	{ "ENOBUFS",            ENOBUFS         },
+#endif
+#if defined(ENODATA)
+	{ "ENODATA",            ENODATA         },
+#endif
+#if defined(ENODEV)
+	{ "ENODEV",             ENODEV          },
+#endif
+#if defined(ENOENT)
+	{ "ENOENT",             ENOENT          },
+#endif
+#if defined(ENOEXEC)
+	{ "ENOEXEC",            ENOEXEC         },
+#endif
+#if defined(ENOLCK)
+	{ "ENOLCK",             ENOLCK          },
+#endif
+#if defined(ENOLINK)
+	{ "ENOLINK",            ENOLINK         },
+#endif
+#if defined(ENOMEM)
+	{ "ENOMEM",             ENOMEM          },
+#endif
+#if defined(ENOMSG)
+	{ "ENOMSG",             ENOMSG          },
+#endif
+#if defined(ENOPROTOOPT)
+	{ "ENOPROTOOPT",        ENOPROTOOPT     },
+#endif
+#if defined(ENOSPC)
+	{ "ENOSPC",             ENOSPC          },
+#endif
+#if defined(ENOSR)
+	{ "ENOSR",              ENOSR           },
+#endif
+#if defined(ENOSTR)
+	{ "ENOSTR",             ENOSTR          },
+#endif
+#if defined(ENOSYS)
+	{ "ENOSYS",             ENOSYS          },
+#endif
+#if defined(ENOTCONN)
+	{ "ENOTCONN",           ENOTCONN        },
+#endif
+#if defined(ENOTDIR)
+	{ "ENOTDIR",            ENOTDIR         },
+#endif
+#if defined(ENOTEMPTY)
+	{ "ENOTEMPTY",          ENOTEMPTY       },
+#endif
+#if defined(ENOTRECOVERABLE)
+	{ "ENOTRECOVERABLE",    ENOTRECOVERABLE },
+#endif
+#if defined(ENOTSOCK)
+	{ "ENOTSOCK",           ENOTSOCK        },
+#endif
+#if defined(ENOTSUP)
+	{ "ENOTSUP",            ENOTSUP         },
+#endif
+#if defined(ENOTTY)
+	{ "ENOTTY",             ENOTTY          },
+#endif
+#if defined(ENXIO)
+	{ "ENXIO",              ENXIO           },
+#endif
+#if defined(EOPNOTSUPP)
+	{ "EOPNOTSUPP",         EOPNOTSUPP      },
+#endif
+#if defined(EOVERFLOW)
+	{ "EOVERFLOW",          EOVERFLOW       },
+#endif
+#if defined(EOWNERDEAD)
+	{ "EOWNERDEAD",         EOWNERDEAD      },
+#endif
+#if defined(EPERM)
+	{ "EPERM",              EPERM           },
+#endif
+#if defined(EPIPE)
+	{ "EPIPE",              EPIPE           },
+#endif
+#if defined(EPROTO)
+	{ "EPROTO",             EPROTO          },
+#endif
+#if defined(EPROTONOSUPPORT)
+	{ "EPROTONOSUPPORT",    EPROTONOSUPPORT },
+#endif
+#if defined(EPROTOTYPE)
+	{ "EPROTOTYPE",         EPROTOTYPE      },
+#endif
+#if defined(ERANGE)
+	{ "ERANGE",             ERANGE          },
+#endif
+#if defined(EROFS)
+	{ "EROFS",              EROFS           },
+#endif
+#if defined(ESPIPE)
+	{ "ESPIPE",             ESPIPE          },
+#endif
+#if defined(ESRCH)
+	{ "ESRCH",              ESRCH           },
+#endif
+#if defined(ETIME)
+	{ "ETIME",              ETIME           },
+#endif
+#if defined(ETIMEDOUT)
+	{ "ETIMEDOUT",          ETIMEDOUT       },
+#endif
+#if defined(ETXTBSY)
+	{ "ETXTBSY",            ETXTBSY         },
+#endif
+#if defined(EWOULDBLOCK)
+	{ "EWOULDBLOCK",        EWOULDBLOCK     },
+#endif
+#if defined(EXDEV)
+	{ "EXDEV",              EXDEV           }
+#endif
+};
+
+/* }}} */
+
+void
+irc_jsapi_load(duk_context *ctx)
+{
+	/* Irccd (global object) */
+	duk_push_object(ctx);
+
+	/* Irccd.version (property) */
+#if 0
+	duk_push_object(ctx);
+	duk_push_int(ctx, IRCCD_VERSION_MAJOR);
+	duk_put_prop_string(ctx, -2, "major");
+	duk_push_int(ctx, IRCCD_VERSION_MINOR);
+	duk_put_prop_string(ctx, -2, "minor");
+	duk_push_int(ctx, IRCCD_VERSION_PATCH);
+	duk_put_prop_string(ctx, -2, "patch");
+	duk_put_prop_string(ctx, -2, "version");
+#endif
+
+	/* Create the system_error that inherits from Error. */
+	duk_push_c_function(ctx, SystemError_constructor, 2);
+
+	/* Put errno codes into the Irccd.SystemError object. */
+	for (size_t i = 0; i < IRC_UTIL_SIZE(errors); ++i) {
+		duk_push_int(ctx, errors[i].value);
+		duk_put_prop_string(ctx, -2, errors[i].name);
+	}
+
+	duk_push_object(ctx);
+	duk_get_global_string(ctx, "Error");
+	duk_get_prop_string(ctx, -1, "prototype");
+	duk_remove(ctx, -2);
+	duk_set_prototype(ctx, -2);
+	duk_put_prop_string(ctx, -2, "prototype");
+	duk_put_prop_string(ctx, -2, "SystemError");
+
+	/* Set Irccd as global. */
+	duk_put_global_string(ctx, "Irccd");
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/irccd/jsapi-irccd.h	Wed Jan 13 17:18:35 2021 +0100
@@ -0,0 +1,27 @@
+/*
+ * jsapi-irccd.h -- Irccd API
+ *
+ * Copyright (c) 2013-2021 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef IRCCD_JSAPI_IRCCD_H
+#define IRCCD_JSAPI_IRCCD_H
+
+#include <duktape.h>
+
+void
+irc_jsapi_load(duk_context *);
+
+#endif /* !IRCCD_JSAPI_IRCCD_H */

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/irccd/jsapi-logger.c	Wed Jan 13 17:18:35 2021 +0100
@@ -0,0 +1,73 @@
+/*
+ * jsapi-logger.c -- Irccd.Logger API
+ *
+ * Copyright (c) 2013-2021 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <duktape.h>
+
+#include "jsapi-logger.h"
+#include "jsapi-plugin.h"
+#include "plugin.h"
+#include "log.h"
+
+#define LOG(c, f)                                                       \
+do {                                                                    \
+        const struct irc_plugin *p = irc_jsapi_plugin_self(c);          \
+        const char *message = duk_require_string(c, 0);                 \
+                                                                        \
+        f("plugin %s: %s", p->name, message);                           \
+} while (0)                                                             \
+
+static duk_ret_t
+Logger_info(duk_context *ctx)
+{
+	LOG(ctx, irc_log_info);
+
+	return 0;
+}
+
+static duk_ret_t
+Logger_warning(duk_context *ctx)
+{
+	LOG(ctx, irc_log_warn);
+
+	return 0;
+}
+
+static duk_ret_t
+Logger_debug(duk_context *ctx)
+{
+	LOG(ctx, irc_log_debug);
+
+	return 0;
+}
+
+static const duk_function_list_entry functions[] = {
+	{ "info",       Logger_info,    1 },
+	{ "warning",    Logger_warning, 1 },
+	{ "debug",      Logger_debug,   1 },
+	{ NULL,         NULL,           0 }
+};
+
+void
+irc_jsapi_logger_load(duk_context *ctx)
+{
+	duk_get_global_string(ctx, "Irccd");
+	duk_push_object(ctx);
+	duk_put_function_list(ctx, -1, functions);
+	duk_put_prop_string(ctx, -2, "Logger");
+	duk_pop(ctx);
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/irccd/jsapi-logger.h	Wed Jan 13 17:18:35 2021 +0100
@@ -0,0 +1,27 @@
+/*
+ * jsapi-logger.h -- Irccd.Logger API
+ *
+ * Copyright (c) 2013-2021 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef IRCCD_JSAPI_LOGGER_H
+#define IRCCD_JSAPI_LOGGER_H
+
+#include <duktape.h>
+
+void
+irc_jsapi_logger_load(duk_context *);
+
+#endif /* !IRCCD_JSAPI_LOGGER_H */

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/irccd/jsapi-plugin.c	Wed Jan 13 17:18:35 2021 +0100
@@ -0,0 +1,242 @@
+/*
+ * jsapi-plugin.c -- Irccd.Plugin API
+ *
+ * Copyright (c) 2013-2021 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdbool.h>
+
+#include "irccd.h"
+#include "jsapi-plugin.h"
+#include "plugin.h"
+
+#define SIGNATURE DUK_HIDDEN_SYMBOL("Irccd.Plugin")
+
+/*
+ * set
+ * ------------------------------------------------------------------
+ *
+ * This setter is used to replace the Irccd.Plugin.(config|templates|paths)
+ * property when the plugin assign a new one.
+ *
+ * Because the plugin configuration always has higher priority, when a new
+ * object is assigned to 'config' or to the 'templates' property, the plugin
+ * configuration is merged to the assigned one, adding or replacing any values.
+ *
+ * Example:
+ *
+ * Plugin 'xyz' does:
+ *
+ * Irccd.Plugin.config = {
+ *     mode: "simple",
+ *     level: "123"
+ * };
+ *
+ * The user configuration sets:
+ *
+ *     mode = "hard"
+ *     path = "/var"
+ *
+ * The final user table looks like this:
+ *
+ * Irccd.Plugin.config = {
+ *     mode: "hard",
+ *     level: "123",
+ *     path: "/var"
+ * };
+ */
+static duk_ret_t
+set(duk_context *ctx, const char *name)
+{
+	/* This is the object received in argument from the property setter. */
+	if (!duk_is_object(ctx, 0))
+		duk_error(ctx, DUK_ERR_TYPE_ERROR, "'%s' property must be object", name);
+
+	/* Merge old table with new one. */
+	duk_get_global_string(ctx, name);
+	duk_enum(ctx, -1, 0);
+
+	while (duk_next(ctx, -1, true))
+		duk_put_prop(ctx, 0);
+
+	/* Pop enum and old table. */
+	duk_pop_2(ctx);
+
+	/* Replace the old table with the new assigned one. */
+	duk_put_global_string(ctx, name);
+
+	return 0;
+}
+
+/*
+ * get
+ * ------------------------------------------------------------------
+ *
+ * Get the Irccd.Plugin.(config|templates|paths) property.
+ */
+static duk_ret_t
+get(duk_context *ctx, const char *name)
+{
+	duk_get_global_string(ctx, name);
+
+	return 1;
+}
+
+static duk_ret_t
+set_config(duk_context *ctx)
+{
+	return set(ctx, IRC_JSAPI_PLUGIN_PROP_OPTIONS);
+}
+
+static duk_ret_t
+get_config(duk_context *ctx)
+{
+	return get(ctx, IRC_JSAPI_PLUGIN_PROP_OPTIONS);
+}
+
+static duk_ret_t
+set_template(duk_context *ctx)
+{
+	return set(ctx, IRC_JSAPI_PLUGIN_PROP_TEMPLATES);
+}
+
+static duk_ret_t
+get_template(duk_context *ctx)
+{
+	return get(ctx, IRC_JSAPI_PLUGIN_PROP_TEMPLATES);
+}
+
+static duk_ret_t
+set_paths(duk_context *ctx)
+{
+	return set(ctx, IRC_JSAPI_PLUGIN_PROP_PATHS);
+}
+
+static duk_ret_t
+get_paths(duk_context *ctx)
+{
+	return get(ctx, IRC_JSAPI_PLUGIN_PROP_PATHS);
+}
+
+static duk_ret_t
+Plugin_info(duk_context *ctx)
+{
+	struct irc_plugin *p;
+
+	if (duk_get_top(ctx) >= 1)
+		p = irc_find_plugin(duk_require_string(ctx, 0));
+	else
+		p = irc_jsapi_plugin_self(ctx);
+
+	if (!p)
+		return 0;
+
+	duk_push_object(ctx);
+	duk_push_string(ctx, p->author);
+	duk_put_prop_string(ctx, -2, "author");
+	duk_push_string(ctx, p->license);
+	duk_put_prop_string(ctx, -2, "license");
+	duk_push_string(ctx, p->description);
+	duk_put_prop_string(ctx, -2, "summary");
+	duk_push_string(ctx, p->version);
+	duk_put_prop_string(ctx, -2, "version");
+
+	return 1;
+}
+
+static duk_ret_t
+Plugin_list(duk_context *ctx)
+{
+	duk_push_array(ctx);
+
+	for (size_t i = 0; i < irc.pluginsz; ++i) {
+		duk_push_string(ctx, irc.plugins[i].name);
+		duk_put_prop_index(ctx, -2, i++);
+	}
+
+	return 1;
+}
+
+static duk_ret_t
+Plugin_load(duk_context *ctx)
+{
+	return 0;
+}
+
+static duk_ret_t
+Plugin_reload(duk_context *ctx)
+{
+	return 0;
+}
+
+static duk_ret_t
+Plugin_unload(duk_context *ctx)
+{
+	return 0;
+}
+
+static const duk_function_list_entry functions[] = {
+	{ "info",       Plugin_info,    DUK_VARARGS     },
+	{ "list",       Plugin_list,    0               },
+	{ "load",       Plugin_load,    1               },
+	{ "reload",     Plugin_reload,  1               },
+	{ "unload",     Plugin_unload,  1               },
+	{ NULL,         NULL,           0               }
+};
+
+void
+irc_jsapi_plugin_load(duk_context *ctx, struct irc_plugin *p)
+{
+	/* Store plugin. */
+	duk_push_pointer(ctx, p);
+	duk_put_global_string(ctx, SIGNATURE);
+
+	duk_get_global_string(ctx, "Irccd");
+	duk_push_object(ctx);
+	duk_put_function_list(ctx, -1, functions);
+
+	/* 'config' property. */
+	duk_push_string(ctx, "config");
+	duk_push_c_function(ctx, get_config, 0);
+	duk_push_c_function(ctx, set_config, 1);
+	duk_def_prop(ctx, -4, DUK_DEFPROP_HAVE_GETTER | DUK_DEFPROP_HAVE_SETTER);
+
+	/* 'templates' property. */
+	duk_push_string(ctx, "templates");
+	duk_push_c_function(ctx, get_template, 0);
+	duk_push_c_function(ctx, set_template, 1);
+	duk_def_prop(ctx, -4, DUK_DEFPROP_HAVE_GETTER | DUK_DEFPROP_HAVE_SETTER);
+
+	/* 'paths' property. */
+	duk_push_string(ctx, "paths");
+	duk_push_c_function(ctx, get_paths, 0);
+	duk_push_c_function(ctx, set_paths, 1);
+	duk_def_prop(ctx, -4, DUK_DEFPROP_HAVE_GETTER | DUK_DEFPROP_HAVE_SETTER);
+
+	duk_put_prop_string(ctx, -2, "Plugin");
+	duk_pop(ctx);
+}
+
+struct irc_plugin *
+irc_jsapi_plugin_self(duk_context *ctx)
+{
+	struct irc_plugin *p;
+
+	duk_get_global_string(ctx, SIGNATURE);
+	p = duk_to_pointer(ctx, -1);
+	duk_pop(ctx);
+
+	return p;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/irccd/jsapi-plugin.h	Wed Jan 13 17:18:35 2021 +0100
@@ -0,0 +1,36 @@
+/*
+ * jsapi-plugin.h -- Javascript plugins
+ *
+ * Copyright (c) 2013-2021 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef IRCCD_JSAPI_PLUGIN_H
+#define IRCCD_JSAPI_PLUGIN_H
+
+#include <duktape.h>
+
+#define IRC_JSAPI_PLUGIN_PROP_OPTIONS   DUK_HIDDEN_SYMBOL("options")
+#define IRC_JSAPI_PLUGIN_PROP_TEMPLATES DUK_HIDDEN_SYMBOL("templates")
+#define IRC_JSAPI_PLUGIN_PROP_PATHS     DUK_HIDDEN_SYMBOL("paths")
+
+struct irc_plugin;
+
+void
+irc_jsapi_plugin_load(duk_context *, struct irc_plugin *);
+
+struct irc_plugin *
+irc_jsapi_plugin_self(duk_context *);
+
+#endif /* !IRCCD_JSAPI_PLUGIN_H */

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/irccd/jsapi-server.c	Wed Jan 13 17:18:35 2021 +0100
@@ -0,0 +1,499 @@
+/*
+ * jsapi-server.c -- Irccd.Server API
+ *
+ * Copyright (c) 2013-2021 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <assert.h>
+
+#include <duktape.h>
+
+#include "irccd.h"
+#include "server.h"
+
+#define SIGNATURE DUK_HIDDEN_SYMBOL("Irccd.Server")
+#define PROTOTYPE DUK_HIDDEN_SYMBOL("Irccd.Server.prototype")
+
+static struct irc_server *
+self(duk_context *ctx)
+{
+	/*
+	 * Server are stored using their identifiers and searched in the
+	 * registry as they may be removed at runtime.
+	 */
+	struct irc_server *sv;
+
+	duk_push_this(ctx);
+	duk_get_prop_string(ctx, -1, SIGNATURE);
+	sv = irc_find_server(duk_to_string(ctx, -1));
+	duk_pop_2(ctx);
+
+	if (!sv)
+		duk_error(ctx, DUK_ERR_TYPE_ERROR, "not a Server object");
+
+	return sv;
+}
+
+static struct irc_server *
+require(duk_context *ctx, duk_idx_t index)
+{
+	struct irc_server *sv;
+
+	if (!duk_is_object(ctx, index) || !duk_has_prop_string(ctx, index, SIGNATURE))
+		duk_error(ctx, DUK_ERR_TYPE_ERROR, "not a Server object");
+
+	duk_get_prop_string(ctx, index, SIGNATURE);
+	sv = irc_find_server(duk_to_string(ctx, -1));
+	duk_pop(ctx);
+
+	return sv;
+}
+
+static duk_ret_t
+Server_prototype_info(duk_context *ctx)
+{
+	const struct irc_server *s = self(ctx);
+
+	duk_push_object(ctx);
+	duk_push_string(ctx, s->name);
+	duk_put_prop_string(ctx, -2, "name");
+	duk_push_string(ctx, s->hostname);
+	duk_put_prop_string(ctx, -2, "hostname");
+	duk_push_uint(ctx, s->port);
+	duk_put_prop_string(ctx, -2, "port");
+	duk_push_boolean(ctx, s->flags & IRC_SERVER_FLAGS_SSL);
+	duk_put_prop_string(ctx, -2, "ssl");
+	duk_push_string(ctx, s->commandchar);
+	duk_put_prop_string(ctx, -2, "commandChar");
+	duk_push_string(ctx, s->realname);
+	duk_put_prop_string(ctx, -2, "realname");
+	duk_push_string(ctx, s->nickname);
+	duk_put_prop_string(ctx, -2, "nickname");
+	duk_push_string(ctx, s->username);
+	duk_put_prop_string(ctx, -2, "username");
+
+	duk_push_array(ctx);
+
+	for (size_t i = 0; i < s->channelsz; ++i) {
+		duk_push_string(ctx, s->channels[i].name);
+		duk_put_prop_index(ctx, -2, i);
+	}
+
+	duk_put_prop_string(ctx, -2, "channels");
+
+	return 1;
+}
+
+static duk_ret_t
+Server_prototype_invite(duk_context *ctx)
+{
+	struct irc_server *s = self(ctx);
+	const char *target = duk_require_string(ctx, 0);
+	const char *channel = duk_require_string(ctx, 1);
+
+#if 0
+	if (!*target || !*channel)
+		throw server_error(server_error::invalid_nickname);
+	if (channel.empty())
+		throw server_error(server_error::invalid_channel);
+#endif
+
+	duk_push_boolean(ctx, irc_server_invite(s, target, channel));
+
+	return 1;
+}
+
+static duk_ret_t
+Server_prototype_isSelf(duk_context *ctx)
+{
+#if 0
+	return wrap(ctx, [] (auto ctx) {
+		return duk::push(ctx, self(ctx)->is_self(duk::require<std::string>(ctx, 0)));
+	});
+#endif
+
+	return 0;
+}
+
+static duk_ret_t
+Server_prototype_join(duk_context *ctx)
+{
+	struct irc_server *s = self(ctx);
+	const char *channel = duk_require_string(ctx, 0);
+	const char *password = duk_opt_string(ctx, 1, NULL);
+
+#if 0
+	if (channel.empty())
+		throw server_error(server_error::invalid_channel);
+#endif
+
+	duk_push_boolean(ctx, irc_server_join(s, channel, password));
+
+	return 1;
+}
+
+static duk_ret_t
+Server_prototype_kick(duk_context *ctx)
+{
+	struct irc_server *s = self(ctx);
+	const char *target = duk_require_string(ctx, 0);
+	const char *channel = duk_require_string(ctx, 1);
+	const char *reason = duk_opt_string(ctx, 2, NULL);
+
+#if 0
+	if (target.empty())
+		throw server_error(server_error::invalid_nickname);
+	if (channel.empty())
+		throw server_error(server_error::invalid_channel);
+#endif
+
+	duk_push_boolean(ctx, irc_server_kick(s, target, channel, reason));
+
+	return 1;
+}
+
+static duk_ret_t
+Server_prototype_me(duk_context *ctx)
+{
+	struct irc_server *s = self(ctx);
+	const char *target = duk_require_string(ctx, 0);
+	const char *message = duk_require_string(ctx, 1);
+
+#if 0
+	if (target.empty())
+		throw server_error(server_error::invalid_nickname);
+#endif
+
+	duk_push_boolean(ctx, irc_server_me(s, target, message));
+
+	return 1;
+}
+
+static duk_ret_t
+Server_prototype_message(duk_context *ctx)
+{
+	struct irc_server *s = self(ctx);
+	const char *target = duk_require_string(ctx, 0);
+	const char *message = duk_require_string(ctx, 1);
+
+#if 0
+	if (target.empty())
+		throw server_error(server_error::invalid_nickname);
+#endif
+
+	duk_push_boolean(ctx, irc_server_message(s, target, message));
+
+	return 1;
+}
+
+static duk_ret_t
+Server_prototype_mode(duk_context *ctx)
+{
+	struct irc_server *s = self(ctx);
+	const char *channel = duk_require_string(ctx, 0);
+	const char *mode = duk_require_string(ctx, 1);
+	const char *limit = duk_opt_string(ctx, 2, NULL);
+	const char *user = duk_opt_string(ctx, 3, NULL);
+	const char *mask = duk_opt_string(ctx, 4, NULL);
+
+#if 0
+	if (channel.empty())
+		throw server_error(server_error::invalid_channel);
+	if (mode.empty())
+		throw server_error(server_error::invalid_mode);
+#endif
+
+	duk_push_boolean(ctx, irc_server_mode(s, channel, mode, limit, user, mask));
+
+	return 1;
+}
+
+static duk_ret_t
+Server_prototype_names(duk_context *ctx)
+{
+	struct irc_server *s = self(ctx);
+	const char *channel = duk_require_string(ctx, 0);
+
+#if 0
+	if (channel.empty())
+		throw server_error(server_error::invalid_channel);
+#endif
+
+#if 0
+	duk_push_boolean(ctx, irc_server_names(channel));
+#endif
+
+	return 1;
+}
+
+static duk_ret_t
+Server_prototype_nick(duk_context *ctx)
+{
+	struct irc_server *s = self(ctx);
+	const char *nickname = duk_require_string(ctx, 0);
+
+#if 0
+	if (nickname.empty())
+		throw server_error(server_error::invalid_nickname);
+#endif
+
+#if 0
+	duk_push_boolean(set_nickname(std::move(nickname));
+#endif
+
+	return 0;
+}
+
+static duk_ret_t
+Server_prototype_notice(duk_context *ctx)
+{
+	struct irc_server *s = self(ctx);
+	const char *target = duk_require_string(ctx, 0);
+	const char *message = duk_opt_string(ctx, 1, NULL);
+
+#if 0
+	if (target.empty())
+		throw server_error(server_error::invalid_nickname);
+#endif
+
+	duk_push_boolean(ctx, irc_server_notice(s, target, message));
+
+	return 1;
+}
+
+static duk_ret_t
+Server_prototype_part(duk_context *ctx)
+{
+	struct irc_server *s = self(ctx);
+	const char *channel = duk_require_string(ctx, 0);
+	const char *reason = duk_opt_string(ctx, 1, NULL);
+
+#if 0
+	if (channel.empty())
+		throw server_error(server_error::invalid_channel);
+#endif
+
+	duk_push_boolean(ctx, irc_server_part(s, channel, reason));
+
+	return 1;
+}
+
+static duk_ret_t
+Server_prototype_send(duk_context *ctx)
+{
+	struct irc_server *s = self(ctx);
+	const char *raw = duk_require_string(ctx, 0);
+
+#if 0
+	if (raw.empty())
+		throw server_error(server_error::invalid_message);
+#endif
+
+	duk_push_boolean(ctx, irc_server_send(s, raw));
+
+	return 1;
+}
+
+static duk_ret_t
+Server_prototype_topic(duk_context *ctx)
+{
+	struct irc_server *s = self(ctx);
+	const char *channel = duk_require_string(ctx, 0);
+	const char *topic = duk_require_string(ctx, 1);
+
+#if 0
+	if (channel.empty())
+		throw server_error(server_error::invalid_channel);
+#endif
+
+	duk_push_boolean(ctx, irc_server_topic(s, channel, topic));
+
+	return 1;
+}
+
+static duk_ret_t
+Server_prototype_whois(duk_context *ctx)
+{
+	struct irc_server *s = self(ctx);
+	const char *target = duk_require_string(ctx, 0);
+
+#if 0
+	if (target.empty())
+		throw server_error(server_error::invalid_nickname);
+#endif
+
+#if 0
+	duk_push_boolean(ctx, irc_server_whois(s, target));
+#endif
+
+	return 1;
+}
+
+static duk_ret_t
+Server_prototype_toString(duk_context *ctx)
+{
+	duk_push_string(ctx, self(ctx)->name);
+
+	return 1;
+}
+
+static duk_ret_t
+Server_constructor(duk_context *ctx)
+{
+#if 0
+	return wrap(ctx, [] (auto ctx) {
+		if (!duk_is_constructor_call(ctx))
+			return 0;
+
+		duk_check_type(ctx, 0, DUK_TYPE_OBJECT);
+
+		auto json = nlohmann::json::parse(duk_json_encode(ctx, 0));
+		auto s = from_json(duk::type_traits<bot>::self(ctx).get_service(), json);
+
+		duk_push_this(ctx);
+		duk_push_pointer(ctx, new std::shared_ptr<server>(std::move(s)));
+		duk_put_prop_string(ctx, -2, signature.data());
+		duk_pop(ctx);
+
+		return 0;
+	});
+#endif
+	return 0;
+}
+
+#if 0
+
+static duk_ret_t
+Server_add(duk_context *ctx)
+{
+	return wrap(ctx, [] (auto ctx) {
+		duk::type_traits<bot>::self(ctx).get_servers().add(
+			duk::require<std::shared_ptr<server>>(ctx, 0));
+
+		return 0;
+	});
+}
+
+#endif
+
+#if 0
+
+static duk_ret_t
+Server_find(duk_context *ctx)
+{
+	return wrap(ctx, [] (auto ctx) {
+		auto id = duk::require<std::string>(ctx, 0);
+		auto server = duk::type_traits<bot>::self(ctx).get_servers().get(id);
+
+		if (!server)
+			return 0;
+
+		duk::push(ctx, server);
+
+		return 1;
+	});
+}
+
+#endif
+
+#if 0
+
+static duk_ret_t
+Server_list(duk_context *ctx)
+{
+	duk_push_object(ctx);
+
+	for (const auto& server : duk::type_traits<bot>::self(ctx).get_servers().list()) {
+		duk::push(ctx, server);
+		duk_put_prop_string(ctx, -2, server->get_id().c_str());
+	}
+
+	return 1;
+}
+
+#endif
+
+#if 0
+
+static duk_ret_t
+Server_remove(duk_context *ctx)
+{
+	duk::type_traits<bot>::self(ctx).get_servers().remove(duk_require_string(ctx, 0));
+
+	return 0;
+}
+
+#endif
+
+static const duk_function_list_entry methods[] = {
+	{ "info",       Server_prototype_info,          0               },
+	{ "invite",     Server_prototype_invite,        2               },
+	{ "isSelf",     Server_prototype_isSelf,        1               },
+	{ "join",       Server_prototype_join,          DUK_VARARGS     },
+	{ "kick",       Server_prototype_kick,          DUK_VARARGS     },
+	{ "me",         Server_prototype_me,            2               },
+	{ "message",    Server_prototype_message,       2               },
+	{ "mode",       Server_prototype_mode,          1               },
+	{ "names",      Server_prototype_names,         1               },
+	{ "nick",       Server_prototype_nick,          1               },
+	{ "notice",     Server_prototype_notice,        2               },
+	{ "part",       Server_prototype_part,          DUK_VARARGS     },
+	{ "send",       Server_prototype_send,          1               },
+	{ "topic",      Server_prototype_topic,         2               },
+	{ "toString",   Server_prototype_toString,      0               },
+	{ "whois",      Server_prototype_whois,         1               },
+	{ NULL,         NULL,                           0               }
+};
+
+static const duk_function_list_entry functions[] = {
+#if 0
+	{ "add",        Server_add,                     1               },
+	{ "find",       Server_find,                    1               },
+	{ "list",       Server_list,                    0               },
+	{ "remove",     Server_remove,                  1               },
+#endif
+	{ NULL,         NULL,                           0               }
+};
+
+void
+irc_jsapi_server_load(duk_context *ctx)
+{
+	assert(ctx);
+
+	duk_get_global_string(ctx, "Irccd");
+
+	duk_push_c_function(ctx, Server_constructor, 1);
+	duk_put_function_list(ctx, -1, functions);
+	duk_push_object(ctx);
+	duk_put_function_list(ctx, -1, methods);
+	duk_dup_top(ctx);
+	duk_put_global_string(ctx, PROTOTYPE);
+	duk_put_prop_string(ctx, -2, "prototype");
+	duk_put_prop_string(ctx, -2, "Server");
+	duk_pop(ctx);
+}
+
+void
+irc_jsapi_server_push(duk_context *ctx, struct irc_server *s)
+{
+	assert(ctx);
+	assert(s);
+
+	duk_push_object(ctx);
+	duk_push_string(ctx, s->name);
+	duk_put_prop_string(ctx, -2, SIGNATURE);
+	duk_get_global_string(ctx, PROTOTYPE);
+	duk_set_prototype(ctx, -2);
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/irccd/jsapi-server.h	Wed Jan 13 17:18:35 2021 +0100
@@ -0,0 +1,32 @@
+/*
+ * jsapi-server.c -- Irccd.Server API
+ *
+ * Copyright (c) 2013-2021 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef IRCCD_JSAPI_SERVER_H
+#define IRCCD_JSAPI_SERVER_H
+
+#include <duktape.h>
+
+struct irc_server;
+
+void
+irc_jsapi_server_push(duk_context *, struct irc_server *);
+
+void
+irc_jsapi_server_load(duk_context *);
+
+#endif /* IRCCD_JSAPI_SERVER_H */

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/irccd/jsapi-system.c	Wed Jan 13 17:18:35 2021 +0100
@@ -0,0 +1,250 @@
+/*
+ * jsapi-system.c -- Irccd.System API
+ *
+ * Copyright (c) 2013-2021 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#if defined(_WIN32)
+#       include <windows.h>
+#elif defined(__linux__)
+#       include <sys/sysinfo.h>
+#elif defined(__APPLE__)
+#       include <sys/types.h>
+#       include <sys/sysctl.h>
+#endif
+
+#if !defined(_WIN32)
+#       include <sys/utsname.h>
+#endif
+
+#include <duktape.h>
+
+#include "jsapi-file.h"
+#include "jsapi-system.h"
+
+static duk_ret_t
+nsleep(unsigned long ns)
+{
+	struct timespec ts = {
+		.tv_sec = ns / 1000000000L,
+		.tv_nsec = (ns % 1000000000L),
+	};
+
+	while (nanosleep(&ts, &ts) && errno == EINTR);
+
+	return 0;
+}
+
+static duk_ret_t
+System_env(duk_context *ctx)
+{
+	const char *name = duk_require_string(ctx, 0);
+	const char *value = getenv(name);
+
+	if (!value)
+		duk_push_null(ctx);
+	else
+		duk_push_string(ctx, value);
+
+	return 1;
+}
+
+static duk_ret_t
+System_exec(duk_context *ctx)
+{
+	duk_push_uint(ctx, system(duk_require_string(ctx, 0)));
+
+	return 1;
+}
+
+static duk_ret_t
+System_home(duk_context *ctx)
+{
+#if defined(_WIN32)
+	char path[MAX_PATH] = {0};
+
+	SHGetFolderPathA(NULL, CSIDL_LOCAL_APPDATA, NULL, 0, path);
+
+	duk_push_string(ctx, path);
+#else
+	const char *home;
+
+	if ((home = getenv("HOME")))
+		duk_push_string(ctx, home);
+	else
+		duk_push_undefined(ctx);
+#endif
+
+	return 1;
+}
+
+static duk_ret_t
+System_name(duk_context *ctx)
+{
+#if defined(__linux__)
+	duk_push_string(ctx, "Linux");
+#elif defined(_WIN32)
+	duk_push_string(ctx, "Windows");
+#elif defined(__FreeBSD__)
+	duk_push_string(ctx, "FreeBSD");
+#elif defined(__DragonFly__)
+	duk_push_string(ctx, "DragonFlyBSD");
+#elif defined(__OpenBSD__)
+	duk_push_string(ctx, "OpenBSD");
+#elif defined(__NetBSD__)
+	duk_push_string(ctx, "NetBSD");
+#elif defined(__APPLE__)
+	duk_push_string(ctx, "macOS");
+#elif defined(__ANDROID__)
+	duk_push_string(ctx, "Android");
+#elif defined(_AIX)
+	duk_push_string(ctx, "Aix");
+#elif defined(__HAIKU__)
+	duk_push_string(ctx, "Haiku");
+#elif defined(sun)
+	duk_push_string(ctx, "Solaris");
+#else
+	return "Unknown";
+#endif
+
+	return 1;
+}
+
+static duk_ret_t
+System_popen(duk_context *ctx)
+{
+	const char *cmd = duk_require_string(ctx, 0);
+	const char *mode = duk_require_string(ctx, 1);
+	FILE *fp;
+
+	if (!(fp = popen(cmd, mode)))
+		irc_jsapi_system_raise(ctx);
+
+	irc_jsapi_file_push(ctx, NULL, fp, pclose);
+
+	return 1;
+}
+
+static duk_ret_t
+System_sleep(duk_context *ctx)
+{
+	return nsleep(duk_require_uint(ctx, 0) * 1000000000L);
+}
+
+static duk_ret_t
+System_usleep(duk_context *ctx)
+{
+	return nsleep(duk_require_uint(ctx, 0) * 1000);
+}
+
+static duk_ret_t
+System_uptime(duk_context *ctx)
+{
+#if defined(_WIN32)
+	duk_push_uint(ctx, GetTickCount64() / 1000);
+#elif defined(__linux__)
+	struct sysinfo info;
+
+	if (sysinfo(&info) < 0)
+		irc_jsapi_system_raise(ctx);
+
+	duk_push_uint(ctx, info.uptime);
+#elif defined(__APPLE__)
+	struct timeval boottime;
+	size_t length = sizeof (boottime);
+	int mib[2] = { CTL_KERN, KERN_BOOTTIME };
+	time_t bsec, csec;
+
+	if (sysctl(mib, 2, &boottime, &length, NULL, 0) < 0)
+		irc_jsapi_system_raise(ctx);
+
+	bsec = boottime.tv_sec;
+	csec = time(NULL);
+
+	duk_push_uint(ctx, difftime(csec, bsec));
+#else
+	struct timespec ts;
+
+	/* Mostly POSIX compliant (CLOCK_UPTIME isn't POSIX though). */
+	if (clock_gettime(CLOCK_UPTIME, &ts) < 0)
+		irc_jsapi_system_raise(ctx);
+
+	duk_push_uint(ctx, ts.tv_sec);
+#endif
+
+	return 1;
+}
+
+static duk_ret_t
+System_version(duk_context *ctx)
+{
+#if defined(_WIN32)
+	DWORD version = GetVersion();
+	DWORD major = (DWORD)(LOBYTE(LOWORD(version)));
+	DWORD minor = (DWORD)(HIBYTE(LOWORD(version)));
+
+	duk_push_sprintf(ctx, "%d.%d", (int)major, (int)minor);
+#else
+	struct utsname uts;
+
+	if (uname(&uts) < 0)
+		irc_jsapi_system_raise(ctx);
+
+	duk_push_string(ctx, uts.release);
+#endif
+	return 1;
+}
+
+static const duk_function_list_entry functions[] = {
+	{ "env",        System_env,     1 },
+	{ "exec",       System_exec,    1 },
+	{ "home",       System_home,    0 },
+	{ "name",       System_name,    0 },
+	{ "popen",      System_popen,   2 },
+	{ "sleep",      System_sleep,   1 },
+	{ "uptime",     System_uptime,  0 },
+	{ "usleep",     System_usleep,  1 },
+	{ "version",    System_version, 0 },
+	{ NULL,         NULL,           0 }
+};
+
+void
+irc_jsapi_system_raise(duk_context *ctx)
+{
+	duk_get_global_string(ctx, "Irccd");
+	duk_get_prop_string(ctx, -1, "SystemError");
+	duk_remove(ctx, -2);
+	duk_push_int(ctx, errno);
+	duk_push_string(ctx, strerror(errno));
+	duk_new(ctx, 2);
+
+	(void)duk_throw(ctx);
+}
+
+void
+irc_jsapi_system_load(duk_context *ctx)
+{
+	duk_get_global_string(ctx, "Irccd");
+	duk_push_object(ctx);
+	duk_put_function_list(ctx, -1, functions);
+	duk_put_prop_string(ctx, -2, "System");
+	duk_pop(ctx);
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/irccd/jsapi-system.h	Wed Jan 13 17:18:35 2021 +0100
@@ -0,0 +1,30 @@
+/*
+ * jsapi-system.h -- Irccd.System API
+ *
+ * Copyright (c) 2013-2021 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef IRCCD_JSAPI_SYSTEM_H
+#define IRCCD_JSAPI_SYSTEM_H
+
+#include <duktape.h>
+
+void
+irc_jsapi_system_raise(duk_context *);
+
+void
+irc_jsapi_system_load(duk_context *);
+
+#endif /* !IRCCD_JSAPI_SYSTEM_H */

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/irccd/jsapi-timer.c	Wed Jan 13 17:18:35 2021 +0100
@@ -0,0 +1,325 @@
+/*
+ * jsapi-timer.c -- Irccd.Timer API
+ *
+ * Copyright (c) 2013-2021 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <pthread.h>
+#include <stdbool.h>
+#include <stdatomic.h>
+#include <time.h>
+#include <errno.h>
+
+#include <duktape.h>
+
+#include "irccd.h"
+#include "jsapi-system.h"
+#include "log.h"
+#include "util.h"
+
+#define SIGNATURE       DUK_HIDDEN_SYMBOL("Irccd.Timer")
+#define TABLE           DUK_HIDDEN_SYMBOL("Irccd.Timer.callbacks")
+
+enum timer_type {
+	TIMER_REPEAT,
+	TIMER_ONESHOT,
+	TIMER_NUM
+};
+
+enum timer_status {
+	TIMER_INACTIVE,
+	TIMER_ACTIVE,
+	TIMER_MUST_STOP,
+	TIMER_MUST_KILL
+};
+
+struct timer {
+	enum timer_type type;
+	unsigned long duration;
+	pthread_t thr;
+	pthread_mutex_t mtx;
+	pthread_cond_t cv;
+	duk_context *ctx;
+	atomic_int status;
+};
+
+static void
+timer_start(struct timer *);
+
+static void
+timer_clear(struct timer *tm)
+{
+	tm->status = TIMER_INACTIVE;
+
+	pthread_cond_destroy(&tm->cv);
+	pthread_mutex_destroy(&tm->mtx);
+	pthread_join(tm->thr, NULL);
+}
+
+static void
+timer_call(struct timer *tm)
+{
+	/* Get the function. */
+	duk_push_global_stash(tm->ctx);
+	duk_get_prop_string(tm->ctx, -1, TABLE);
+	duk_remove(tm->ctx, -2);
+	duk_push_sprintf(tm->ctx, "%p", tm);
+	duk_get_prop(tm->ctx, -2);
+	duk_remove(tm->ctx, -2);
+
+	if (duk_pcall(tm->ctx, 0))
+		irc_log_warn("plugin: %s", duk_to_string(tm->ctx, -1));
+
+	duk_pop(tm->ctx);
+}
+
+static void
+timer_destroy(struct timer *tm)
+{
+	if (tm->status == TIMER_MUST_STOP) {
+		puts("timer stopped");
+		timer_clear(tm);
+	}
+	if (tm->status == TIMER_MUST_KILL) {
+		puts("timer fully freed");
+		free(tm);
+	}
+}
+
+static void
+timer_expired(void *data)
+{
+	struct timer *tm = data;
+
+	/* Only call if I wasn't aborted (race condition) */
+	if (tm->status == TIMER_ACTIVE) {
+		timer_clear(tm);
+		timer_call(tm);
+
+		/* Start again. */
+		if (tm->type == TIMER_REPEAT)
+			timer_start(tm);
+	} else
+		timer_destroy(tm);
+}
+
+static void
+timer_aborted(void *data)
+{
+	timer_destroy(data);
+}
+
+static void *
+timer_routine(void *data)
+{
+	struct timer *tm = data;
+	struct timespec ts = {0};
+	int rc = 0;
+
+	/* Prepare maximum time to wait. */
+	timespec_get(&ts, TIME_UTC);
+
+	ts.tv_sec += tm->duration / 1000;
+	ts.tv_nsec += (tm->duration % 1000) * 1000;
+
+	/* Wait at most time unless I'm getting kill. */
+	if (pthread_mutex_lock(&tm->mtx) != 0)
+		tm->status = TIMER_MUST_STOP;
+
+	while (tm->status == TIMER_ACTIVE && rc == 0)
+		rc = pthread_cond_timedwait(&tm->cv, &tm->mtx, &ts);
+
+	/*
+	 * When the thread ends, there are several possibilities:
+	 *
+	 * 1. It has completed without being aborted.
+	 * 2. It has been stopped by the user (tm->stopped is true).
+	 * 3. The plugin is shutting down (tm->kill is true).
+	 */
+	printf("FINISHED: %d, %d\n", rc, tm->status);
+	if (rc == ETIMEDOUT && tm->status == TIMER_ACTIVE)
+		irc_post(timer_expired, tm);
+	else
+		irc_post(timer_aborted, tm);
+
+	return NULL;
+}
+
+static void
+timer_start(struct timer *tm)
+{
+	if (tm->status != TIMER_INACTIVE)
+		return;
+
+	tm->status = TIMER_ACTIVE;
+
+	if (pthread_mutex_init(&tm->mtx, NULL) != 0)
+		goto mutex_err;
+	if (pthread_cond_init(&tm->cv, NULL) != 0)
+		goto cond_err;
+	if (pthread_create(&tm->thr, NULL, timer_routine, tm) != 0)
+		goto thread_err;
+
+	return;
+
+thread_err:
+	pthread_cond_destroy(&tm->cv);
+
+cond_err:
+	pthread_mutex_destroy(&tm->mtx);
+
+mutex_err:
+	tm->status = TIMER_INACTIVE;
+	irc_jsapi_system_raise(tm->ctx);
+}
+
+static void
+timer_stop(struct timer *tm, enum timer_status st)
+{
+	if (tm->status == TIMER_INACTIVE)
+		return;
+
+	tm->status = st;
+	pthread_cond_signal(&tm->cv);
+}
+
+static struct timer *
+self(duk_context *ctx)
+{
+	struct timer *tm;
+
+	duk_push_this(ctx);
+	duk_get_prop_string(ctx, -1, SIGNATURE);
+	tm = duk_to_pointer(ctx, -1);
+	duk_pop_2(ctx);
+
+	if (!tm)
+		duk_error(ctx, DUK_ERR_TYPE_ERROR, "not a Timer object");
+
+	return tm;
+}
+
+static duk_ret_t
+Timer_prototype_start(duk_context *ctx)
+{
+	timer_start(self(ctx));
+
+	return 0;
+}
+
+static duk_ret_t
+Timer_prototype_stop(duk_context *ctx)
+{
+	timer_stop(self(ctx), TIMER_MUST_STOP);
+
+	return 0;
+}
+
+static duk_ret_t
+Timer_destructor(duk_context *ctx)
+{
+	struct timer *tm;
+
+	/* Remove timer property. */
+	duk_get_prop_string(ctx, 0, SIGNATURE);
+	tm = duk_to_pointer(ctx, -1);
+	duk_pop(ctx);
+	duk_del_prop_string(ctx, -2, SIGNATURE);
+
+	/* Remove callback from timer table. */
+	puts("DELETE");
+	duk_push_global_stash(tm->ctx);
+	duk_get_prop_string(tm->ctx, -1, TABLE);
+	duk_remove(tm->ctx, -2);
+	duk_push_sprintf(tm->ctx, "%p", tm);
+	duk_del_prop(tm->ctx, -2);
+	duk_pop(tm->ctx);
+
+	/*
+	 * Do not delete the timer itself here because the thread is
+	 * referencing it. Stop it and let it kill itself from the main thread.
+	 */
+	if (tm)
+		timer_stop(tm, TIMER_MUST_KILL);
+
+	return 0;
+}
+
+static duk_ret_t
+Timer_constructor(duk_context *ctx)
+{
+	struct timer *ptr, tm = {
+		.ctx = ctx,
+	};
+
+	if (!duk_is_constructor_call(ctx))
+		return 0;
+
+	tm.type = duk_require_int(ctx, 0);
+	tm.duration = duk_require_uint(ctx, 1);
+
+	if (tm.type < 0 || tm.type >= TIMER_NUM)
+		duk_error(ctx, DUK_ERR_TYPE_ERROR, "invalid timer type");
+	if (!duk_is_callable(ctx, 2))
+		duk_error(ctx, DUK_ERR_TYPE_ERROR, "missing callback function");
+
+	/* Create this. */
+	duk_push_this(ctx);
+	duk_push_pointer(ctx, (ptr = irc_util_memdup(&tm, sizeof (tm))));
+	duk_put_prop_string(ctx, -2, SIGNATURE);
+	duk_push_c_function(ctx, Timer_destructor, 1);
+	duk_set_finalizer(ctx, -2);
+	duk_pop(ctx);
+
+	/* Store the function into the global table */
+	duk_push_global_stash(ctx);
+	duk_get_prop_string(ctx, -1, TABLE);
+	duk_remove(ctx, -2);
+	duk_push_sprintf(ctx, "%p", ptr);
+	duk_dup(ctx, 2);
+	duk_put_prop(ctx, -3);
+	duk_pop(ctx);
+
+	return 0;
+}
+
+static const duk_function_list_entry methods[] = {
+	{ "start",      Timer_prototype_start,  0               },
+	{ "stop",       Timer_prototype_stop,   0               },
+	{ NULL,         NULL,                   0               }
+};
+
+static const duk_number_list_entry constants[] = {
+	{ "Single",     TIMER_ONESHOT                           },
+	{ "Repeat",     TIMER_REPEAT                            },
+	{ NULL,         0                                       }
+};
+
+void
+irc_jsapi_timer_load(duk_context *ctx)
+{
+	duk_get_global_string(ctx, "Irccd");
+	duk_push_c_function(ctx, Timer_constructor, 3);
+	duk_put_number_list(ctx, -1, constants);
+	duk_push_object(ctx);
+	duk_put_function_list(ctx, -1, methods);
+	duk_put_prop_string(ctx, -2, "prototype");
+	duk_put_prop_string(ctx, -2, "Timer");
+	duk_pop(ctx);
+	duk_push_global_stash(ctx);
+	duk_push_object(ctx);
+	duk_put_prop_string(ctx, -2, TABLE);
+	duk_pop(ctx);
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/irccd/jsapi-timer.h	Wed Jan 13 17:18:35 2021 +0100
@@ -0,0 +1,27 @@
+/*
+ * jsapi-timer.h -- Irccd.Timer API
+ *
+ * Copyright (c) 2013-2021 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef IRCCD_JSAPI_TIMER_H
+#define IRCCD_JSAPI_TIMER_H
+
+#include <duktape.h>
+
+void
+irc_jsapi_timer_load(duk_context *);
+
+#endif /* !IRCCD_JSAPI_TIMER_H */

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/irccd/jsapi-unicode.c	Wed Jan 13 17:18:35 2021 +0100
@@ -0,0 +1,88 @@
+/*
+ * jsapi-unicode.c -- Irccd.Unicode API
+ *
+ * Copyright (c) 2013-2021 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "jsapi-unicode.h"
+#include "unicode.h"
+
+static duk_ret_t
+Unicode_isDigit(duk_context *ctx)
+{
+	duk_push_boolean(ctx, irc_uni_isdigit(duk_get_int(ctx, 0)));
+
+	return 1;
+}
+
+static duk_ret_t
+Unicode_isLetter(duk_context *ctx)
+{
+	duk_push_boolean(ctx, irc_uni_isalpha(duk_get_int(ctx, 0)));
+
+	return 1;
+}
+
+static duk_ret_t
+Unicode_isLower(duk_context *ctx)
+{
+	duk_push_boolean(ctx, irc_uni_islower(duk_get_int(ctx, 0)));
+
+	return 1;
+}
+
+static duk_ret_t
+Unicode_isSpace(duk_context *ctx)
+{
+	duk_push_boolean(ctx, irc_uni_isspace(duk_get_int(ctx, 0)));
+
+	return 1;
+}
+
+static duk_ret_t
+Unicode_isTitle(duk_context *ctx)
+{
+	duk_push_boolean(ctx, irc_uni_istitle(duk_get_int(ctx, 0)));
+
+	return 1;
+}
+
+static duk_ret_t
+Unicode_isUpper(duk_context *ctx)
+{
+	duk_push_boolean(ctx, irc_uni_isupper(duk_get_int(ctx, 0)));
+
+	return 1;
+}
+
+static const duk_function_list_entry functions[] = {
+	{ "isDigit",            Unicode_isDigit,        1 },
+	{ "isLetter",           Unicode_isLetter,       1 },
+	{ "isLower",            Unicode_isLower,        1 },
+	{ "isSpace",            Unicode_isSpace,        1 },
+	{ "isTitle",            Unicode_isTitle,        1 },
+	{ "isUpper",            Unicode_isUpper,        1 },
+	{ NULL,                 NULL,                   0 }
+};
+
+void
+irc_jsapi_unicode_load(duk_context *ctx)
+{
+	duk_get_global_string(ctx, "Irccd");
+	duk_push_object(ctx);
+	duk_put_function_list(ctx, -1, functions);
+	duk_put_prop_string(ctx, -2, "Unicode");
+	duk_pop(ctx);
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/irccd/jsapi-unicode.h	Wed Jan 13 17:18:35 2021 +0100
@@ -0,0 +1,27 @@
+/*
+ * jsapi-unicode.h -- Irccd.Unicode API
+ *
+ * Copyright (c) 2013-2021 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef IRCCD_JSAPI_UNICODE_H
+#define IRCCD_JSAPI_UNICODE_H
+
+#include <duktape.h>
+
+void
+irc_jsapi_unicode_load(duk_context *);
+
+#endif /* !IRCCD_JSAPI_UNICODE_H */

--- a/lib/irccd/limits.h	Mon Jan 11 21:25:58 2021 +0100
+++ b/lib/irccd/limits.h	Wed Jan 13 17:18:35 2021 +0100
@@ -37,5 +37,6 @@
 
 /* Types limits. */
 #define IRC_NAME_MAX            16
+#define IRC_COMMANDCHAR_MAX     8
 
 #endif /* !IRCCD_LIMITS_H */

--- a/lib/irccd/plugin.h	Mon Jan 11 21:25:58 2021 +0100
+++ b/lib/irccd/plugin.h	Wed Jan 13 17:18:35 2021 +0100
@@ -21,10 +21,12 @@
 
 #include <stdbool.h>
 
+#include "limits.h"
+
 struct irc_event;
 
 struct irc_plugin {
-	const char *name;
+	char name[IRC_NAME_MAX];
 	const char *license;
 	const char *version;
 	const char *author;

--- a/lib/irccd/server.c	Mon Jan 11 21:25:58 2021 +0100
+++ b/lib/irccd/server.c	Wed Jan 13 17:18:35 2021 +0100
@@ -437,6 +437,7 @@
 static void
 clear(struct irc_server *s)
 {
+	puts("clear...");
 	s->state = IRC_SERVER_STATE_DISCONNECTED;
 
 	if (s->fd != 0) {
@@ -473,7 +474,7 @@
 
 	snprintf(service, sizeof (service), "%hu", s->port);
 
-	if ((ret = getaddrinfo(s->host, service, &hints, &s->ai)) != 0)
+	if ((ret = getaddrinfo(s->hostname, service, &hints, &s->ai)) != 0)
 		irc_log_warn("server %s: %s", s->name, gai_strerror(ret));
 
 	s->aip = s->ai;
@@ -783,6 +784,7 @@
 {
 	assert(s);
 
+	puts("HERE?!");
 	clear(s);
 }
 
@@ -799,6 +801,9 @@
 void
 irc_server_flush(struct irc_server *s, const struct pollfd *pfd)
 {
+	if (pfd->fd != s->fd)
+		return;
+
 	if (io_table[s->state].flush)
 		io_table[s->state].flush(s, pfd);
 }
@@ -872,6 +877,16 @@
 }
 
 bool
+irc_server_invite(struct irc_server *s, const char *target, const char *channel)
+{
+	assert(s);
+	assert(target);
+	assert(channel);
+
+	return irc_server_send(s, "INVITE %s %s", target, channel);
+}
+
+bool
 irc_server_join(struct irc_server *s, const char *name, const char *pass)
 {
 	assert(s);
@@ -899,6 +914,23 @@
 }
 
 bool
+irc_server_kick(struct irc_server *s, const char *target, const char *channel, const char *reason)
+{
+	assert(s);
+	assert(target);
+	assert(channel);
+
+	bool ret;
+
+	if (reason)
+		ret = irc_server_send(s, "KICK %s %s :%s", channel, target, reason);
+	else
+		ret = irc_server_send(s, "KICK %s %s", channel, target);
+
+	return ret;
+}
+
+bool
 irc_server_part(struct irc_server *s, const char *name, const char *reason)
 {
 	assert(s);
@@ -944,6 +976,34 @@
 	return irc_server_send(s, "PRIVMSG %s :\001ACTION %s\001", chan, message);
 }
 
+bool
+irc_server_mode(struct irc_server *s,
+                const char *channel,
+                const char *mode,
+                const char *limit,
+                const char *user,
+                const char *mask)
+{
+	assert(s);
+	assert(channel);
+	assert(mode);
+
+	return irc_server_send(s, "MODE %s %s %s %s %s", channel, mode,
+	    limit ? limit : "",
+	    user ? user : "",
+	    mask ? mask : "");
+}
+
+bool
+irc_server_notice(struct irc_server *s, const char *target, const char *message)
+{
+	assert(s);
+	assert(target);
+	assert(message);
+
+	return irc_server_send(s, "NOTICE %s: %s", target, message);
+}
+
 void
 irc_server_finish(struct irc_server *s)
 {

--- a/lib/irccd/server.h	Mon Jan 11 21:25:58 2021 +0100
+++ b/lib/irccd/server.h	Wed Jan 13 17:18:35 2021 +0100
@@ -70,10 +70,13 @@
 struct irc_server {
 	/* Connection settings. */
 	char name[IRC_NAME_MAX];
-	char host[IRC_HOST_MAX];
+	char hostname[IRC_HOST_MAX];
 	unsigned short port;
 	enum irc_server_flags flags;
 
+	/* Plugin prefix. */
+	char commandchar[IRC_COMMANDCHAR_MAX];
+
 	/* IRC identity. */
 	char nickname[IRC_NICKNAME_MAX];
 	char username[IRC_USERNAME_MAX];
@@ -127,9 +130,15 @@
 irc_server_send(struct irc_server *, const char *, ...);
 
 bool
+irc_server_invite(struct irc_server *, const char *, const char *);
+
+bool
 irc_server_join(struct irc_server *, const char *, const char *);
 
 bool
+irc_server_kick(struct irc_server *, const char *, const char *, const char *);
+
+bool
 irc_server_part(struct irc_server *, const char *, const char *);
 
 bool
@@ -141,6 +150,17 @@
 bool
 irc_server_me(struct irc_server *, const char *, const char *);
 
+bool
+irc_server_mode(struct irc_server *,
+                const char *,
+                const char *,
+                const char *,
+                const char *,
+                const char *);
+
+bool
+irc_server_notice(struct irc_server *, const char *, const char *);
+
 void
 irc_server_finish(struct irc_server *);
 

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/irccd/unicode.c	Wed Jan 13 17:18:35 2021 +0100
@@ -0,0 +1,4845 @@
+/*
+ * unicode.c -- UTF-8 to UTF-32 conversions and various operations
+ *
+ * Copyright (c) 2013-2020 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <stdlib.h>
+
+#include "unicode.h"
+
+/*
+ * The following code has been generated from Go mkrunetype adapted to our
+ * needs.
+ */
+
+#define nelem(x) (sizeof (x) / sizeof ((x)[0]))
+
+static const uint32_t *
+search(uint32_t c, const uint32_t *t, int n, int ne)
+{
+	const uint32_t *p;
+	int m;
+
+	while (n > 1) {
+		m = n >> 1;
+		p = t + m * ne;
+
+		if (c >= p[0]) {
+			t = p;
+			n = n - m;
+		} else
+			n = m;
+	}
+
+	if (n && c >= t[0])
+		return t;
+
+	return NULL;
+}
+
+static const uint32_t isspacer[] = {
+	0x0009, 0x000d,
+	0x0020, 0x0020,
+	0x0085, 0x0085,
+	0x00a0, 0x00a0,
+	0x1680, 0x1680,
+	0x2000, 0x200a,
+	0x2028, 0x2029,
+	0x202f, 0x202f,
+	0x205f, 0x205f,
+	0x3000, 0x3000,
+	0xfeff, 0xfeff,
+};
+
+bool
+irc_uni_isspace(uint32_t c)
+{
+	const uint32_t *p;
+
+	p = search(c, isspacer, nelem (isspacer) / 2, 2);
+
+	if (p && c >= p[0] && c <= p[1])
+		return true;
+
+	return false;
+}
+
+static const uint32_t isdigitr[] = {
+	0x0030, 0x0039,
+	0x0660, 0x0669,
+	0x06f0, 0x06f9,
+	0x07c0, 0x07c9,
+	0x0966, 0x096f,
+	0x09e6, 0x09ef,
+	0x0a66, 0x0a6f,
+	0x0ae6, 0x0aef,
+	0x0b66, 0x0b6f,
+	0x0be6, 0x0bef,
+	0x0c66, 0x0c6f,
+	0x0ce6, 0x0cef,
+	0x0d66, 0x0d6f,
+	0x0de6, 0x0def,
+	0x0e50, 0x0e59,
+	0x0ed0, 0x0ed9,
+	0x0f20, 0x0f29,
+	0x1040, 0x1049,
+	0x1090, 0x1099,
+	0x17e0, 0x17e9,
+	0x1810, 0x1819,
+	0x1946, 0x194f,
+	0x19d0, 0x19d9,
+	0x1a80, 0x1a89,
+	0x1a90, 0x1a99,
+	0x1b50, 0x1b59,
+	0x1bb0, 0x1bb9,
+	0x1c40, 0x1c49,
+	0x1c50, 0x1c59,
+	0xa620, 0xa629,
+	0xa8d0, 0xa8d9,
+	0xa900, 0xa909,
+	0xa9d0, 0xa9d9,
+	0xa9f0, 0xa9f9,
+	0xaa50, 0xaa59,
+	0xabf0, 0xabf9,
+	0xff10, 0xff19,
+	0x104a0, 0x104a9,
+	0x11066, 0x1106f,
+	0x110f0, 0x110f9,
+	0x11136, 0x1113f,
+	0x111d0, 0x111d9,
+	0x112f0, 0x112f9,
+	0x114d0, 0x114d9,
+	0x11650, 0x11659,
+	0x116c0, 0x116c9,
+	0x118e0, 0x118e9,
+	0x16a60, 0x16a69,
+	0x16b50, 0x16b59,
+	0x1d7ce, 0x1d7ff,
+};
+
+bool
+irc_uni_isdigit(uint32_t c)
+{
+	const uint32_t *p;
+
+	p = search(c, isdigitr, nelem (isdigitr) / 2, 2);
+
+	if (p && c >= p[0] && c <= p[1])
+		return true;
+
+	return false;
+}
+
+static const uint32_t isalphar[] = {
+	0x0041, 0x005a,
+	0x0061, 0x007a,
+	0x00c0, 0x00d6,
+	0x00d8, 0x00f6,
+	0x00f8, 0x02c1,
+	0x02c6, 0x02d1,
+	0x02e0, 0x02e4,
+	0x0370, 0x0374,
+	0x0376, 0x0377,
+	0x037a, 0x037d,
+	0x0388, 0x038a,
+	0x038e, 0x03a1,
+	0x03a3, 0x03f5,
+	0x03f7, 0x0481,
+	0x048a, 0x052f,
+	0x0531, 0x0556,
+	0x0561, 0x0587,
+	0x05d0, 0x05ea,
+	0x05f0, 0x05f2,
+	0x0620, 0x064a,
+	0x066e, 0x066f,
+	0x0671, 0x06d3,
+	0x06e5, 0x06e6,
+	0x06ee, 0x06ef,
+	0x06fa, 0x06fc,
+	0x0712, 0x072f,
+	0x074d, 0x07a5,
+	0x07ca, 0x07ea,
+	0x07f4, 0x07f5,
+	0x0800, 0x0815,
+	0x0840, 0x0858,
+	0x08a0, 0x08b2,
+	0x0904, 0x0939,
+	0x0958, 0x0961,
+	0x0971, 0x0980,
+	0x0985, 0x098c,
+	0x098f, 0x0990,
+	0x0993, 0x09a8,
+	0x09aa, 0x09b0,
+	0x09b6, 0x09b9,
+	0x09dc, 0x09dd,
+	0x09df, 0x09e1,
+	0x09f0, 0x09f1,
+	0x0a05, 0x0a0a,
+	0x0a0f, 0x0a10,
+	0x0a13, 0x0a28,
+	0x0a2a, 0x0a30,
+	0x0a32, 0x0a33,
+	0x0a35, 0x0a36,
+	0x0a38, 0x0a39,
+	0x0a59, 0x0a5c,
+	0x0a72, 0x0a74,
+	0x0a85, 0x0a8d,
+	0x0a8f, 0x0a91,
+	0x0a93, 0x0aa8,
+	0x0aaa, 0x0ab0,
+	0x0ab2, 0x0ab3,
+	0x0ab5, 0x0ab9,
+	0x0ae0, 0x0ae1,
+	0x0b05, 0x0b0c,
+	0x0b0f, 0x0b10,
+	0x0b13, 0x0b28,
+	0x0b2a, 0x0b30,
+	0x0b32, 0x0b33,
+	0x0b35, 0x0b39,
+	0x0b5c, 0x0b5d,
+	0x0b5f, 0x0b61,
+	0x0b85, 0x0b8a,
+	0x0b8e, 0x0b90,
+	0x0b92, 0x0b95,
+	0x0b99, 0x0b9a,
+	0x0b9e, 0x0b9f,
+	0x0ba3, 0x0ba4,
+	0x0ba8, 0x0baa,
+	0x0bae, 0x0bb9,
+	0x0c05, 0x0c0c,
+	0x0c0e, 0x0c10,
+	0x0c12, 0x0c28,
+	0x0c2a, 0x0c39,
+	0x0c58, 0x0c59,
+	0x0c60, 0x0c61,
+	0x0c85, 0x0c8c,
+	0x0c8e, 0x0c90,
+	0x0c92, 0x0ca8,
+	0x0caa, 0x0cb3,
+	0x0cb5, 0x0cb9,
+	0x0ce0, 0x0ce1,
+	0x0cf1, 0x0cf2,
+	0x0d05, 0x0d0c,
+	0x0d0e, 0x0d10,
+	0x0d12, 0x0d3a,
+	0x0d60, 0x0d61,
+	0x0d7a, 0x0d7f,
+	0x0d85, 0x0d96,
+	0x0d9a, 0x0db1,
+	0x0db3, 0x0dbb,
+	0x0dc0, 0x0dc6,
+	0x0e01, 0x0e30,
+	0x0e32, 0x0e33,
+	0x0e40, 0x0e46,
+	0x0e81, 0x0e82,
+	0x0e87, 0x0e88,
+	0x0e94, 0x0e97,
+	0x0e99, 0x0e9f,
+	0x0ea1, 0x0ea3,
+	0x0eaa, 0x0eab,
+	0x0ead, 0x0eb0,
+	0x0eb2, 0x0eb3,
+	0x0ec0, 0x0ec4,
+	0x0edc, 0x0edf,
+	0x0f40, 0x0f47,
+	0x0f49, 0x0f6c,
+	0x0f88, 0x0f8c,
+	0x1000, 0x102a,
+	0x1050, 0x1055,
+	0x105a, 0x105d,
+	0x1065, 0x1066,
+	0x106e, 0x1070,
+	0x1075, 0x1081,
+	0x10a0, 0x10c5,
+	0x10d0, 0x10fa,
+	0x10fc, 0x1248,
+	0x124a, 0x124d,
+	0x1250, 0x1256,
+	0x125a, 0x125d,
+	0x1260, 0x1288,
+	0x128a, 0x128d,
+	0x1290, 0x12b0,
+	0x12b2, 0x12b5,
+	0x12b8, 0x12be,
+	0x12c2, 0x12c5,
+	0x12c8, 0x12d6,
+	0x12d8, 0x1310,
+	0x1312, 0x1315,
+	0x1318, 0x135a,
+	0x1380, 0x138f,
+	0x13a0, 0x13f4,
+	0x1401, 0x166c,
+	0x166f, 0x167f,
+	0x1681, 0x169a,
+	0x16a0, 0x16ea,
+	0x16f1, 0x16f8,
+	0x1700, 0x170c,
+	0x170e, 0x1711,
+	0x1720, 0x1731,
+	0x1740, 0x1751,
+	0x1760, 0x176c,
+	0x176e, 0x1770,
+	0x1780, 0x17b3,
+	0x1820, 0x1877,
+	0x1880, 0x18a8,
+	0x18b0, 0x18f5,
+	0x1900, 0x191e,
+	0x1950, 0x196d,
+	0x1970, 0x1974,
+	0x1980, 0x19ab,
+	0x19c1, 0x19c7,
+	0x1a00, 0x1a16,
+	0x1a20, 0x1a54,
+	0x1b05, 0x1b33,
+	0x1b45, 0x1b4b,
+	0x1b83, 0x1ba0,
+	0x1bae, 0x1baf,
+	0x1bba, 0x1be5,
+	0x1c00, 0x1c23,
+	0x1c4d, 0x1c4f,
+	0x1c5a, 0x1c7d,
+	0x1ce9, 0x1cec,
+	0x1cee, 0x1cf1,
+	0x1cf5, 0x1cf6,
+	0x1d00, 0x1dbf,
+	0x1e00, 0x1f15,
+	0x1f18, 0x1f1d,
+	0x1f20, 0x1f45,
+	0x1f48, 0x1f4d,
+	0x1f50, 0x1f57,
+	0x1f5f, 0x1f7d,
+	0x1f80, 0x1fb4,
+	0x1fb6, 0x1fbc,
+	0x1fc2, 0x1fc4,
+	0x1fc6, 0x1fcc,
+	0x1fd0, 0x1fd3,
+	0x1fd6, 0x1fdb,
+	0x1fe0, 0x1fec,
+	0x1ff2, 0x1ff4,
+	0x1ff6, 0x1ffc,
+	0x2090, 0x209c,
+	0x210a, 0x2113,
+	0x2119, 0x211d,
+	0x212a, 0x212d,
+	0x212f, 0x2139,
+	0x213c, 0x213f,
+	0x2145, 0x2149,
+	0x2183, 0x2184,
+	0x2c00, 0x2c2e,
+	0x2c30, 0x2c5e,
+	0x2c60, 0x2ce4,
+	0x2ceb, 0x2cee,
+	0x2cf2, 0x2cf3,
+	0x2d00, 0x2d25,
+	0x2d30, 0x2d67,
+	0x2d80, 0x2d96,
+	0x2da0, 0x2da6,
+	0x2da8, 0x2dae,
+	0x2db0, 0x2db6,
+	0x2db8, 0x2dbe,
+	0x2dc0, 0x2dc6,
+	0x2dc8, 0x2dce,
+	0x2dd0, 0x2dd6,
+	0x2dd8, 0x2dde,
+	0x3005, 0x3006,
+	0x3031, 0x3035,
+	0x303b, 0x303c,
+	0x3041, 0x3096,
+	0x309d, 0x309f,
+	0x30a1, 0x30fa,
+	0x30fc, 0x30ff,
+	0x3105, 0x312d,
+	0x3131, 0x318e,
+	0x31a0, 0x31ba,
+	0x31f0, 0x31ff,
+	0x3400, 0x4db5,
+	0x4e00, 0x9fcc,
+	0xa000, 0xa48c,
+	0xa4d0, 0xa4fd,
+	0xa500, 0xa60c,
+	0xa610, 0xa61f,
+	0xa62a, 0xa62b,
+	0xa640, 0xa66e,
+	0xa67f, 0xa69d,
+	0xa6a0, 0xa6e5,
+	0xa717, 0xa71f,
+	0xa722, 0xa788,
+	0xa78b, 0xa78e,
+	0xa790, 0xa7ad,
+	0xa7b0, 0xa7b1,
+	0xa7f7, 0xa801,
+	0xa803, 0xa805,
+	0xa807, 0xa80a,
+	0xa80c, 0xa822,
+	0xa840, 0xa873,
+	0xa882, 0xa8b3,
+	0xa8f2, 0xa8f7,
+	0xa90a, 0xa925,
+	0xa930, 0xa946,
+	0xa960, 0xa97c,
+	0xa984, 0xa9b2,
+	0xa9e0, 0xa9e4,
+	0xa9e6, 0xa9ef,
+	0xa9fa, 0xa9fe,
+	0xaa00, 0xaa28,
+	0xaa40, 0xaa42,
+	0xaa44, 0xaa4b,
+	0xaa60, 0xaa76,
+	0xaa7e, 0xaaaf,
+	0xaab5, 0xaab6,
+	0xaab9, 0xaabd,
+	0xaadb, 0xaadd,
+	0xaae0, 0xaaea,
+	0xaaf2, 0xaaf4,
+	0xab01, 0xab06,
+	0xab09, 0xab0e,
+	0xab11, 0xab16,
+	0xab20, 0xab26,
+	0xab28, 0xab2e,
+	0xab30, 0xab5a,
+	0xab5c, 0xab5f,
+	0xab64, 0xab65,
+	0xabc0, 0xabe2,
+	0xac00, 0xd7a3,
+	0xd7b0, 0xd7c6,
+	0xd7cb, 0xd7fb,
+	0xf900, 0xfa6d,
+	0xfa70, 0xfad9,
+	0xfb00, 0xfb06,
+	0xfb13, 0xfb17,
+	0xfb1f, 0xfb28,
+	0xfb2a, 0xfb36,
+	0xfb38, 0xfb3c,
+	0xfb40, 0xfb41,
+	0xfb43, 0xfb44,
+	0xfb46, 0xfbb1,
+	0xfbd3, 0xfd3d,
+	0xfd50, 0xfd8f,
+	0xfd92, 0xfdc7,
+	0xfdf0, 0xfdfb,
+	0xfe70, 0xfe74,
+	0xfe76, 0xfefc,
+	0xff21, 0xff3a,
+	0xff41, 0xff5a,
+	0xff66, 0xffbe,
+	0xffc2, 0xffc7,
+	0xffca, 0xffcf,
+	0xffd2, 0xffd7,
+	0xffda, 0xffdc,
+	0x10000, 0x1000b,
+	0x1000d, 0x10026,
+	0x10028, 0x1003a,
+	0x1003c, 0x1003d,
+	0x1003f, 0x1004d,
+	0x10050, 0x1005d,
+	0x10080, 0x100fa,
+	0x10280, 0x1029c,
+	0x102a0, 0x102d0,
+	0x10300, 0x1031f,
+	0x10330, 0x10340,
+	0x10342, 0x10349,
+	0x10350, 0x10375,
+	0x10380, 0x1039d,
+	0x103a0, 0x103c3,
+	0x103c8, 0x103cf,
+	0x10400, 0x1049d,
+	0x10500, 0x10527,
+	0x10530, 0x10563,
+	0x10600, 0x10736,
+	0x10740, 0x10755,
+	0x10760, 0x10767,
+	0x10800, 0x10805,
+	0x1080a, 0x10835,
+	0x10837, 0x10838,
+	0x1083f, 0x10855,
+	0x10860, 0x10876,
+	0x10880, 0x1089e,
+	0x10900, 0x10915,
+	0x10920, 0x10939,
+	0x10980, 0x109b7,
+	0x109be, 0x109bf,
+	0x10a10, 0x10a13,
+	0x10a15, 0x10a17,
+	0x10a19, 0x10a33,
+	0x10a60, 0x10a7c,
+	0x10a80, 0x10a9c,
+	0x10ac0, 0x10ac7,
+	0x10ac9, 0x10ae4,
+	0x10b00, 0x10b35,
+	0x10b40, 0x10b55,
+	0x10b60, 0x10b72,
+	0x10b80, 0x10b91,
+	0x10c00, 0x10c48,
+	0x11003, 0x11037,
+	0x11083, 0x110af,
+	0x110d0, 0x110e8,
+	0x11103, 0x11126,
+	0x11150, 0x11172,
+	0x11183, 0x111b2,
+	0x111c1, 0x111c4,
+	0x11200, 0x11211,
+	0x11213, 0x1122b,
+	0x112b0, 0x112de,
+	0x11305, 0x1130c,
+	0x1130f, 0x11310,
+	0x11313, 0x11328,
+	0x1132a, 0x11330,
+	0x11332, 0x11333,
+	0x11335, 0x11339,
+	0x1135d, 0x11361,
+	0x11480, 0x114af,
+	0x114c4, 0x114c5,
+	0x11580, 0x115ae,
+	0x11600, 0x1162f,
+	0x11680, 0x116aa,
+	0x118a0, 0x118df,
+	0x11ac0, 0x11af8,
+	0x12000, 0x12398,
+	0x13000, 0x1342e,
+	0x16800, 0x16a38,
+	0x16a40, 0x16a5e,
+	0x16ad0, 0x16aed,
+	0x16b00, 0x16b2f,
+	0x16b40, 0x16b43,
+	0x16b63, 0x16b77,
+	0x16b7d, 0x16b8f,
+	0x16f00, 0x16f44,
+	0x16f93, 0x16f9f,
+	0x1b000, 0x1b001,
+	0x1bc00, 0x1bc6a,
+	0x1bc70, 0x1bc7c,
+	0x1bc80, 0x1bc88,
+	0x1bc90, 0x1bc99,
+	0x1d400, 0x1d454,
+	0x1d456, 0x1d49c,
+	0x1d49e, 0x1d49f,
+	0x1d4a5, 0x1d4a6,
+	0x1d4a9, 0x1d4ac,
+	0x1d4ae, 0x1d4b9,
+	0x1d4bd, 0x1d4c3,
+	0x1d4c5, 0x1d505,
+	0x1d507, 0x1d50a,
+	0x1d50d, 0x1d514,
+	0x1d516, 0x1d51c,
+	0x1d51e, 0x1d539,
+	0x1d53b, 0x1d53e,
+	0x1d540, 0x1d544,
+	0x1d54a, 0x1d550,
+	0x1d552, 0x1d6a5,
+	0x1d6a8, 0x1d6c0,
+	0x1d6c2, 0x1d6da,
+	0x1d6dc, 0x1d6fa,
+	0x1d6fc, 0x1d714,
+	0x1d716, 0x1d734,
+	0x1d736, 0x1d74e,
+	0x1d750, 0x1d76e,
+	0x1d770, 0x1d788,
+	0x1d78a, 0x1d7a8,
+	0x1d7aa, 0x1d7c2,
+	0x1d7c4, 0x1d7cb,
+	0x1e800, 0x1e8c4,
+	0x1ee00, 0x1ee03,
+	0x1ee05, 0x1ee1f,
+	0x1ee21, 0x1ee22,
+	0x1ee29, 0x1ee32,
+	0x1ee34, 0x1ee37,
+	0x1ee4d, 0x1ee4f,
+	0x1ee51, 0x1ee52,
+	0x1ee61, 0x1ee62,
+	0x1ee67, 0x1ee6a,
+	0x1ee6c, 0x1ee72,
+	0x1ee74, 0x1ee77,
+	0x1ee79, 0x1ee7c,
+	0x1ee80, 0x1ee89,
+	0x1ee8b, 0x1ee9b,
+	0x1eea1, 0x1eea3,
+	0x1eea5, 0x1eea9,
+	0x1eeab, 0x1eebb,
+	0x20000, 0x2a6d6,
+	0x2a700, 0x2b734,
+	0x2b740, 0x2b81d,
+	0x2f800, 0x2fa1d,
+};
+
+static const uint32_t isalphas[] = {
+	0x00aa,
+	0x00b5,
+	0x00ba,
+	0x02ec,
+	0x02ee,
+	0x037f,
+	0x0386,
+	0x038c,
+	0x0559,
+	0x06d5,
+	0x06ff,
+	0x0710,
+	0x07b1,
+	0x07fa,
+	0x081a,
+	0x0824,
+	0x0828,
+	0x093d,
+	0x0950,
+	0x09b2,
+	0x09bd,
+	0x09ce,
+	0x0a5e,
+	0x0abd,
+	0x0ad0,
+	0x0b3d,
+	0x0b71,
+	0x0b83,
+	0x0b9c,
+	0x0bd0,
+	0x0c3d,
+	0x0cbd,
+	0x0cde,
+	0x0d3d,
+	0x0d4e,
+	0x0dbd,
+	0x0e84,
+	0x0e8a,
+	0x0e8d,
+	0x0ea5,
+	0x0ea7,
+	0x0ebd,
+	0x0ec6,
+	0x0f00,
+	0x103f,
+	0x1061,
+	0x108e,
+	0x10c7,
+	0x10cd,
+	0x1258,
+	0x12c0,
+	0x17d7,
+	0x17dc,
+	0x18aa,
+	0x1aa7,
+	0x1f59,
+	0x1f5b,
+	0x1f5d,
+	0x1fbe,
+	0x2071,
+	0x207f,
+	0x2102,
+	0x2107,
+	0x2115,
+	0x2124,
+	0x2126,
+	0x2128,
+	0x214e,
+	0x2d27,
+	0x2d2d,
+	0x2d6f,
+	0x2e2f,
+	0xa8fb,
+	0xa9cf,
+	0xaa7a,
+	0xaab1,
+	0xaac0,
+	0xaac2,
+	0xfb1d,
+	0xfb3e,
+	0x10808,
+	0x1083c,
+	0x10a00,
+	0x11176,
+	0x111da,
+	0x1133d,
+	0x114c7,
+	0x11644,
+	0x118ff,
+	0x16f50,
+	0x1d4a2,
+	0x1d4bb,
+	0x1d546,
+	0x1ee24,
+	0x1ee27,
+	0x1ee39,
+	0x1ee3b,
+	0x1ee42,
+	0x1ee47,
+	0x1ee49,
+	0x1ee4b,
+	0x1ee54,
+	0x1ee57,
+	0x1ee59,
+	0x1ee5b,
+	0x1ee5d,
+	0x1ee5f,
+	0x1ee64,
+	0x1ee7e,
+};
+
+bool
+irc_uni_isalpha(uint32_t c)
+{
+	const uint32_t *p;
+
+	p = search(c, isalphar, nelem (isalphar) / 2, 2);
+
+	if (p && c >= p[0] && c <= p[1])
+		return true;
+
+	p = search(c, isalphas, nelem (isalphas), 1);
+
+	if (p && c == p[0])
+		return true;
+
+	return false;
+}
+
+static const uint32_t isupperr[] = {
+	0x0041, 0x005a,
+	0x00c0, 0x00d6,
+	0x00d8, 0x00de,
+	0x0178, 0x0179,
+	0x0181, 0x0182,
+	0x0186, 0x0187,
+	0x0189, 0x018b,
+	0x018e, 0x0191,
+	0x0193, 0x0194,
+	0x0196, 0x0198,
+	0x019c, 0x019d,
+	0x019f, 0x01a0,
+	0x01a6, 0x01a7,
+	0x01ae, 0x01af,
+	0x01b1, 0x01b3,
+	0x01b7, 0x01b8,
+	0x01f6, 0x01f8,
+	0x023a, 0x023b,
+	0x023d, 0x023e,
+	0x0243, 0x0246,
+	0x0388, 0x038a,
+	0x038e, 0x038f,
+	0x0391, 0x03a1,
+	0x03a3, 0x03ab,
+	0x03d2, 0x03d4,
+	0x03f9, 0x03fa,
+	0x03fd, 0x042f,
+	0x04c0, 0x04c1,
+	0x0531, 0x0556,
+	0x10a0, 0x10c5,
+	0x1f08, 0x1f0f,
+	0x1f18, 0x1f1d,
+	0x1f28, 0x1f2f,
+	0x1f38, 0x1f3f,
+	0x1f48, 0x1f4d,
+	0x1f68, 0x1f6f,
+	0x1f88, 0x1f8f,
+	0x1f98, 0x1f9f,
+	0x1fa8, 0x1faf,
+	0x1fb8, 0x1fbc,
+	0x1fc8, 0x1fcc,
+	0x1fd8, 0x1fdb,
+	0x1fe8, 0x1fec,
+	0x1ff8, 0x1ffc,
+	0x210b, 0x210d,
+	0x2110, 0x2112,
+	0x2119, 0x211d,
+	0x212a, 0x212d,
+	0x2130, 0x2133,
+	0x213e, 0x213f,
+	0x2160, 0x216f,
+	0x24b6, 0x24cf,
+	0x2c00, 0x2c2e,
+	0x2c62, 0x2c64,
+	0x2c6d, 0x2c70,
+	0x2c7e, 0x2c80,
+	0xa77d, 0xa77e,
+	0xa7aa, 0xa7ad,
+	0xa7b0, 0xa7b1,
+	0xff21, 0xff3a,
+	0x10400, 0x10427,
+	0x118a0, 0x118bf,
+	0x1d400, 0x1d419,
+	0x1d434, 0x1d44d,
+	0x1d468, 0x1d481,
+	0x1d49e, 0x1d49f,
+	0x1d4a5, 0x1d4a6,
+	0x1d4a9, 0x1d4ac,
+	0x1d4ae, 0x1d4b5,
+	0x1d4d0, 0x1d4e9,
+	0x1d504, 0x1d505,
+	0x1d507, 0x1d50a,
+	0x1d50d, 0x1d514,
+	0x1d516, 0x1d51c,
+	0x1d538, 0x1d539,
+	0x1d53b, 0x1d53e,
+	0x1d540, 0x1d544,
+	0x1d54a, 0x1d550,
+	0x1d56c, 0x1d585,
+	0x1d5a0, 0x1d5b9,
+	0x1d5d4, 0x1d5ed,
+	0x1d608, 0x1d621,
+	0x1d63c, 0x1d655,
+	0x1d670, 0x1d689,
+	0x1d6a8, 0x1d6c0,
+	0x1d6e2, 0x1d6fa,
+	0x1d71c, 0x1d734,
+	0x1d756, 0x1d76e,
+	0x1d790, 0x1d7a8,
+};
+
+static const uint32_t isuppers[] = {
+	0x0100,
+	0x0102,
+	0x0104,
+	0x0106,
+	0x0108,
+	0x010a,
+	0x010c,
+	0x010e,
+	0x0110,
+	0x0112,
+	0x0114,
+	0x0116,
+	0x0118,
+	0x011a,
+	0x011c,
+	0x011e,
+	0x0120,
+	0x0122,
+	0x0124,
+	0x0126,
+	0x0128,
+	0x012a,
+	0x012c,
+	0x012e,
+	0x0130,
+	0x0132,
+	0x0134,
+	0x0136,
+	0x0139,
+	0x013b,
+	0x013d,
+	0x013f,
+	0x0141,
+	0x0143,
+	0x0145,
+	0x0147,
+	0x014a,
+	0x014c,
+	0x014e,
+	0x0150,
+	0x0152,
+	0x0154,
+	0x0156,
+	0x0158,
+	0x015a,
+	0x015c,
+	0x015e,
+	0x0160,
+	0x0162,
+	0x0164,
+	0x0166,
+	0x0168,
+	0x016a,
+	0x016c,
+	0x016e,
+	0x0170,
+	0x0172,
+	0x0174,
+	0x0176,
+	0x017b,
+	0x017d,
+	0x0184,
+	0x01a2,
+	0x01a4,
+	0x01a9,
+	0x01ac,
+	0x01b5,
+	0x01bc,
+	0x01c4,
+	0x01c7,
+	0x01ca,
+	0x01cd,
+	0x01cf,
+	0x01d1,
+	0x01d3,
+	0x01d5,
+	0x01d7,
+	0x01d9,
+	0x01db,
+	0x01de,
+	0x01e0,
+	0x01e2,
+	0x01e4,
+	0x01e6,
+	0x01e8,
+	0x01ea,
+	0x01ec,
+	0x01ee,
+	0x01f1,
+	0x01f4,
+	0x01fa,
+	0x01fc,
+	0x01fe,
+	0x0200,
+	0x0202,
+	0x0204,
+	0x0206,
+	0x0208,
+	0x020a,
+	0x020c,
+	0x020e,
+	0x0210,
+	0x0212,
+	0x0214,
+	0x0216,
+	0x0218,
+	0x021a,
+	0x021c,
+	0x021e,
+	0x0220,
+	0x0222,
+	0x0224,
+	0x0226,
+	0x0228,
+	0x022a,
+	0x022c,
+	0x022e,
+	0x0230,
+	0x0232,
+	0x0241,
+	0x0248,
+	0x024a,
+	0x024c,
+	0x024e,
+	0x0370,
+	0x0372,
+	0x0376,
+	0x037f,
+	0x0386,
+	0x038c,
+	0x03cf,
+	0x03d8,
+	0x03da,
+	0x03dc,
+	0x03de,
+	0x03e0,
+	0x03e2,
+	0x03e4,
+	0x03e6,
+	0x03e8,
+	0x03ea,
+	0x03ec,
+	0x03ee,
+	0x03f4,
+	0x03f7,
+	0x0460,
+	0x0462,
+	0x0464,
+	0x0466,
+	0x0468,
+	0x046a,
+	0x046c,
+	0x046e,
+	0x0470,
+	0x0472,
+	0x0474,
+	0x0476,
+	0x0478,
+	0x047a,
+	0x047c,
+	0x047e,
+	0x0480,
+	0x048a,
+	0x048c,
+	0x048e,
+	0x0490,
+	0x0492,
+	0x0494,
+	0x0496,
+	0x0498,
+	0x049a,
+	0x049c,
+	0x049e,
+	0x04a0,
+	0x04a2,
+	0x04a4,
+	0x04a6,
+	0x04a8,
+	0x04aa,
+	0x04ac,
+	0x04ae,
+	0x04b0,
+	0x04b2,
+	0x04b4,
+	0x04b6,
+	0x04b8,
+	0x04ba,
+	0x04bc,
+	0x04be,
+	0x04c3,
+	0x04c5,
+	0x04c7,
+	0x04c9,
+	0x04cb,
+	0x04cd,
+	0x04d0,
+	0x04d2,
+	0x04d4,
+	0x04d6,
+	0x04d8,
+	0x04da,
+	0x04dc,
+	0x04de,
+	0x04e0,
+	0x04e2,
+	0x04e4,
+	0x04e6,
+	0x04e8,
+	0x04ea,
+	0x04ec,
+	0x04ee,
+	0x04f0,
+	0x04f2,
+	0x04f4,
+	0x04f6,
+	0x04f8,
+	0x04fa,
+	0x04fc,
+	0x04fe,
+	0x0500,
+	0x0502,
+	0x0504,
+	0x0506,
+	0x0508,
+	0x050a,
+	0x050c,
+	0x050e,
+	0x0510,
+	0x0512,
+	0x0514,
+	0x0516,
+	0x0518,
+	0x051a,
+	0x051c,
+	0x051e,
+	0x0520,
+	0x0522,
+	0x0524,
+	0x0526,
+	0x0528,
+	0x052a,
+	0x052c,
+	0x052e,
+	0x10c7,
+	0x10cd,
+	0x1e00,
+	0x1e02,
+	0x1e04,
+	0x1e06,
+	0x1e08,
+	0x1e0a,
+	0x1e0c,
+	0x1e0e,
+	0x1e10,
+	0x1e12,
+	0x1e14,
+	0x1e16,
+	0x1e18,
+	0x1e1a,
+	0x1e1c,
+	0x1e1e,
+	0x1e20,
+	0x1e22,
+	0x1e24,
+	0x1e26,
+	0x1e28,
+	0x1e2a,
+	0x1e2c,
+	0x1e2e,
+	0x1e30,
+	0x1e32,
+	0x1e34,
+	0x1e36,
+	0x1e38,
+	0x1e3a,
+	0x1e3c,
+	0x1e3e,
+	0x1e40,
+	0x1e42,
+	0x1e44,
+	0x1e46,
+	0x1e48,
+	0x1e4a,
+	0x1e4c,
+	0x1e4e,
+	0x1e50,
+	0x1e52,
+	0x1e54,
+	0x1e56,
+	0x1e58,
+	0x1e5a,
+	0x1e5c,
+	0x1e5e,
+	0x1e60,
+	0x1e62,
+	0x1e64,
+	0x1e66,
+	0x1e68,
+	0x1e6a,
+	0x1e6c,
+	0x1e6e,
+	0x1e70,
+	0x1e72,
+	0x1e74,
+	0x1e76,
+	0x1e78,
+	0x1e7a,
+	0x1e7c,
+	0x1e7e,
+	0x1e80,
+	0x1e82,
+	0x1e84,
+	0x1e86,
+	0x1e88,
+	0x1e8a,
+	0x1e8c,
+	0x1e8e,
+	0x1e90,
+	0x1e92,
+	0x1e94,
+	0x1e9e,
+	0x1ea0,
+	0x1ea2,
+	0x1ea4,
+	0x1ea6,
+	0x1ea8,
+	0x1eaa,
+	0x1eac,
+	0x1eae,
+	0x1eb0,
+	0x1eb2,
+	0x1eb4,
+	0x1eb6,
+	0x1eb8,
+	0x1eba,
+	0x1ebc,
+	0x1ebe,
+	0x1ec0,
+	0x1ec2,
+	0x1ec4,
+	0x1ec6,
+	0x1ec8,
+	0x1eca,
+	0x1ecc,
+	0x1ece,
+	0x1ed0,
+	0x1ed2,
+	0x1ed4,
+	0x1ed6,
+	0x1ed8,
+	0x1eda,
+	0x1edc,
+	0x1ede,
+	0x1ee0,
+	0x1ee2,
+	0x1ee4,
+	0x1ee6,
+	0x1ee8,
+	0x1eea,
+	0x1eec,
+	0x1eee,
+	0x1ef0,
+	0x1ef2,
+	0x1ef4,
+	0x1ef6,
+	0x1ef8,
+	0x1efa,
+	0x1efc,
+	0x1efe,
+	0x1f59,
+	0x1f5b,
+	0x1f5d,
+	0x1f5f,
+	0x2102,
+	0x2107,
+	0x2115,
+	0x2124,
+	0x2126,
+	0x2128,
+	0x2145,
+	0x2183,
+	0x2c60,
+	0x2c67,
+	0x2c69,
+	0x2c6b,
+	0x2c72,
+	0x2c75,
+	0x2c82,
+	0x2c84,
+	0x2c86,
+	0x2c88,
+	0x2c8a,
+	0x2c8c,
+	0x2c8e,
+	0x2c90,
+	0x2c92,
+	0x2c94,
+	0x2c96,
+	0x2c98,
+	0x2c9a,
+	0x2c9c,
+	0x2c9e,
+	0x2ca0,
+	0x2ca2,
+	0x2ca4,
+	0x2ca6,
+	0x2ca8,
+	0x2caa,
+	0x2cac,
+	0x2cae,
+	0x2cb0,
+	0x2cb2,
+	0x2cb4,
+	0x2cb6,
+	0x2cb8,
+	0x2cba,
+	0x2cbc,
+	0x2cbe,
+	0x2cc0,
+	0x2cc2,
+	0x2cc4,
+	0x2cc6,
+	0x2cc8,
+	0x2cca,
+	0x2ccc,
+	0x2cce,
+	0x2cd0,
+	0x2cd2,
+	0x2cd4,
+	0x2cd6,
+	0x2cd8,
+	0x2cda,
+	0x2cdc,
+	0x2cde,
+	0x2ce0,
+	0x2ce2,
+	0x2ceb,
+	0x2ced,
+	0x2cf2,
+	0xa640,
+	0xa642,
+	0xa644,
+	0xa646,
+	0xa648,
+	0xa64a,
+	0xa64c,
+	0xa64e,
+	0xa650,
+	0xa652,
+	0xa654,
+	0xa656,
+	0xa658,
+	0xa65a,
+	0xa65c,
+	0xa65e,
+	0xa660,
+	0xa662,
+	0xa664,
+	0xa666,
+	0xa668,
+	0xa66a,
+	0xa66c,
+	0xa680,
+	0xa682,
+	0xa684,
+	0xa686,
+	0xa688,
+	0xa68a,
+	0xa68c,
+	0xa68e,
+	0xa690,
+	0xa692,
+	0xa694,
+	0xa696,
+	0xa698,
+	0xa69a,
+	0xa722,
+	0xa724,
+	0xa726,
+	0xa728,
+	0xa72a,
+	0xa72c,
+	0xa72e,
+	0xa732,
+	0xa734,
+	0xa736,
+	0xa738,
+	0xa73a,
+	0xa73c,
+	0xa73e,
+	0xa740,
+	0xa742,
+	0xa744,
+	0xa746,
+	0xa748,
+	0xa74a,
+	0xa74c,
+	0xa74e,
+	0xa750,
+	0xa752,
+	0xa754,
+	0xa756,
+	0xa758,
+	0xa75a,
+	0xa75c,
+	0xa75e,
+	0xa760,
+	0xa762,
+	0xa764,
+	0xa766,
+	0xa768,
+	0xa76a,
+	0xa76c,
+	0xa76e,
+	0xa779,
+	0xa77b,
+	0xa780,
+	0xa782,
+	0xa784,
+	0xa786,
+	0xa78b,
+	0xa78d,
+	0xa790,
+	0xa792,
+	0xa796,
+	0xa798,
+	0xa79a,
+	0xa79c,
+	0xa79e,
+	0xa7a0,
+	0xa7a2,
+	0xa7a4,
+	0xa7a6,
+	0xa7a8,
+	0x1d49c,
+	0x1d4a2,
+	0x1d546,
+	0x1d7ca,
+};
+
+bool
+irc_uni_isupper(uint32_t c)
+{
+	const uint32_t *p;
+
+	p = search(c, isupperr, nelem (isupperr) / 2, 2);
+
+	if (p && c >= p[0] && c <= p[1])
+		return true;
+
+	p = search(c, isuppers, nelem (isuppers), 1);
+
+	if (p && c == p[0])
+		return true;
+
+	return false;
+}
+
+static const uint32_t islowerr[] = {
+	0x0061, 0x007a,
+	0x00df, 0x00f6,
+	0x00f8, 0x00ff,
+	0x0137, 0x0138,
+	0x0148, 0x0149,
+	0x017e, 0x0180,
+	0x018c, 0x018d,
+	0x0199, 0x019b,
+	0x01aa, 0x01ab,
+	0x01b9, 0x01ba,
+	0x01bd, 0x01bf,
+	0x01dc, 0x01dd,
+	0x01ef, 0x01f0,
+	0x0233, 0x0239,
+	0x023f, 0x0240,
+	0x024f, 0x0293,
+	0x0295, 0x02af,
+	0x037b, 0x037d,
+	0x03ac, 0x03ce,
+	0x03d0, 0x03d1,
+	0x03d5, 0x03d7,
+	0x03ef, 0x03f3,
+	0x03fb, 0x03fc,
+	0x0430, 0x045f,
+	0x04ce, 0x04cf,
+	0x0561, 0x0587,
+	0x1d00, 0x1d2b,
+	0x1d6b, 0x1d77,
+	0x1d79, 0x1d9a,
+	0x1e95, 0x1e9d,
+	0x1eff, 0x1f07,
+	0x1f10, 0x1f15,
+	0x1f20, 0x1f27,
+	0x1f30, 0x1f37,
+	0x1f40, 0x1f45,
+	0x1f50, 0x1f57,
+	0x1f60, 0x1f67,
+	0x1f70, 0x1f7d,
+	0x1f80, 0x1f87,
+	0x1f90, 0x1f97,
+	0x1fa0, 0x1fa7,
+	0x1fb0, 0x1fb4,
+	0x1fb6, 0x1fb7,
+	0x1fc2, 0x1fc4,
+	0x1fc6, 0x1fc7,
+	0x1fd0, 0x1fd3,
+	0x1fd6, 0x1fd7,
+	0x1fe0, 0x1fe7,
+	0x1ff2, 0x1ff4,
+	0x1ff6, 0x1ff7,
+	0x210e, 0x210f,
+	0x213c, 0x213d,
+	0x2146, 0x2149,
+	0x2170, 0x217f,
+	0x24d0, 0x24e9,
+	0x2c30, 0x2c5e,
+	0x2c65, 0x2c66,
+	0x2c73, 0x2c74,
+	0x2c76, 0x2c7b,
+	0x2ce3, 0x2ce4,
+	0x2d00, 0x2d25,
+	0xa72f, 0xa731,
+	0xa771, 0xa778,
+	0xa793, 0xa795,
+	0xab30, 0xab5a,
+	0xab64, 0xab65,
+	0xfb00, 0xfb06,
+	0xfb13, 0xfb17,
+	0xff41, 0xff5a,
+	0x10428, 0x1044f,
+	0x118c0, 0x118df,
+	0x1d41a, 0x1d433,
+	0x1d44e, 0x1d454,
+	0x1d456, 0x1d467,
+	0x1d482, 0x1d49b,
+	0x1d4b6, 0x1d4b9,
+	0x1d4bd, 0x1d4c3,
+	0x1d4c5, 0x1d4cf,
+	0x1d4ea, 0x1d503,
+	0x1d51e, 0x1d537,
+	0x1d552, 0x1d56b,
+	0x1d586, 0x1d59f,
+	0x1d5ba, 0x1d5d3,
+	0x1d5ee, 0x1d607,
+	0x1d622, 0x1d63b,
+	0x1d656, 0x1d66f,
+	0x1d68a, 0x1d6a5,
+	0x1d6c2, 0x1d6da,
+	0x1d6dc, 0x1d6e1,
+	0x1d6fc, 0x1d714,
+	0x1d716, 0x1d71b,
+	0x1d736, 0x1d74e,
+	0x1d750, 0x1d755,
+	0x1d770, 0x1d788,
+	0x1d78a, 0x1d78f,
+	0x1d7aa, 0x1d7c2,
+	0x1d7c4, 0x1d7c9,
+};
+
+static const uint32_t islowers[] = {
+	0x00b5,
+	0x0101,
+	0x0103,
+	0x0105,
+	0x0107,
+	0x0109,
+	0x010b,
+	0x010d,
+	0x010f,
+	0x0111,
+	0x0113,
+	0x0115,
+	0x0117,
+	0x0119,
+	0x011b,
+	0x011d,
+	0x011f,
+	0x0121,
+	0x0123,
+	0x0125,
+	0x0127,
+	0x0129,
+	0x012b,
+	0x012d,
+	0x012f,
+	0x0131,
+	0x0133,
+	0x0135,
+	0x013a,
+	0x013c,
+	0x013e,
+	0x0140,
+	0x0142,
+	0x0144,
+	0x0146,
+	0x014b,
+	0x014d,
+	0x014f,
+	0x0151,
+	0x0153,
+	0x0155,
+	0x0157,
+	0x0159,
+	0x015b,
+	0x015d,
+	0x015f,
+	0x0161,
+	0x0163,
+	0x0165,
+	0x0167,
+	0x0169,
+	0x016b,
+	0x016d,
+	0x016f,
+	0x0171,
+	0x0173,
+	0x0175,
+	0x0177,
+	0x017a,
+	0x017c,
+	0x0183,
+	0x0185,
+	0x0188,
+	0x0192,
+	0x0195,
+	0x019e,
+	0x01a1,
+	0x01a3,
+	0x01a5,
+	0x01a8,
+	0x01ad,
+	0x01b0,
+	0x01b4,
+	0x01b6,
+	0x01c6,
+	0x01c9,
+	0x01cc,
+	0x01ce,
+	0x01d0,
+	0x01d2,
+	0x01d4,
+	0x01d6,
+	0x01d8,
+	0x01da,
+	0x01df,
+	0x01e1,
+	0x01e3,
+	0x01e5,
+	0x01e7,
+	0x01e9,
+	0x01eb,
+	0x01ed,
+	0x01f3,
+	0x01f5,
+	0x01f9,
+	0x01fb,
+	0x01fd,
+	0x01ff,
+	0x0201,
+	0x0203,
+	0x0205,
+	0x0207,
+	0x0209,
+	0x020b,
+	0x020d,
+	0x020f,
+	0x0211,
+	0x0213,
+	0x0215,
+	0x0217,
+	0x0219,
+	0x021b,
+	0x021d,
+	0x021f,
+	0x0221,
+	0x0223,
+	0x0225,
+	0x0227,
+	0x0229,
+	0x022b,
+	0x022d,
+	0x022f,
+	0x0231,
+	0x023c,
+	0x0242,
+	0x0247,
+	0x0249,
+	0x024b,
+	0x024d,
+	0x0371,
+	0x0373,
+	0x0377,
+	0x0390,
+	0x03d9,
+	0x03db,
+	0x03dd,
+	0x03df,
+	0x03e1,
+	0x03e3,
+	0x03e5,
+	0x03e7,
+	0x03e9,
+	0x03eb,
+	0x03ed,
+	0x03f5,
+	0x03f8,
+	0x0461,
+	0x0463,
+	0x0465,
+	0x0467,
+	0x0469,
+	0x046b,
+	0x046d,
+	0x046f,
+	0x0471,
+	0x0473,
+	0x0475,
+	0x0477,
+	0x0479,
+	0x047b,
+	0x047d,
+	0x047f,
+	0x0481,
+	0x048b,
+	0x048d,
+	0x048f,
+	0x0491,
+	0x0493,
+	0x0495,
+	0x0497,
+	0x0499,
+	0x049b,
+	0x049d,
+	0x049f,
+	0x04a1,
+	0x04a3,
+	0x04a5,
+	0x04a7,
+	0x04a9,
+	0x04ab,
+	0x04ad,
+	0x04af,
+	0x04b1,
+	0x04b3,
+	0x04b5,
+	0x04b7,
+	0x04b9,
+	0x04bb,
+	0x04bd,
+	0x04bf,
+	0x04c2,
+	0x04c4,
+	0x04c6,
+	0x04c8,
+	0x04ca,
+	0x04cc,
+	0x04d1,
+	0x04d3,
+	0x04d5,
+	0x04d7,
+	0x04d9,
+	0x04db,
+	0x04dd,
+	0x04df,
+	0x04e1,
+	0x04e3,
+	0x04e5,
+	0x04e7,
+	0x04e9,
+	0x04eb,
+	0x04ed,
+	0x04ef,
+	0x04f1,
+	0x04f3,
+	0x04f5,
+	0x04f7,
+	0x04f9,
+	0x04fb,
+	0x04fd,
+	0x04ff,
+	0x0501,
+	0x0503,
+	0x0505,
+	0x0507,
+	0x0509,
+	0x050b,
+	0x050d,
+	0x050f,
+	0x0511,
+	0x0513,
+	0x0515,
+	0x0517,
+	0x0519,
+	0x051b,
+	0x051d,
+	0x051f,
+	0x0521,
+	0x0523,
+	0x0525,
+	0x0527,
+	0x0529,
+	0x052b,
+	0x052d,
+	0x052f,
+	0x1e01,
+	0x1e03,
+	0x1e05,
+	0x1e07,
+	0x1e09,
+	0x1e0b,
+	0x1e0d,
+	0x1e0f,
+	0x1e11,
+	0x1e13,
+	0x1e15,
+	0x1e17,
+	0x1e19,
+	0x1e1b,
+	0x1e1d,
+	0x1e1f,
+	0x1e21,
+	0x1e23,
+	0x1e25,
+	0x1e27,
+	0x1e29,
+	0x1e2b,
+	0x1e2d,
+	0x1e2f,
+	0x1e31,
+	0x1e33,
+	0x1e35,
+	0x1e37,
+	0x1e39,
+	0x1e3b,
+	0x1e3d,
+	0x1e3f,
+	0x1e41,
+	0x1e43,
+	0x1e45,
+	0x1e47,
+	0x1e49,
+	0x1e4b,
+	0x1e4d,
+	0x1e4f,
+	0x1e51,
+	0x1e53,
+	0x1e55,
+	0x1e57,
+	0x1e59,
+	0x1e5b,
+	0x1e5d,
+	0x1e5f,
+	0x1e61,
+	0x1e63,
+	0x1e65,
+	0x1e67,
+	0x1e69,
+	0x1e6b,
+	0x1e6d,
+	0x1e6f,
+	0x1e71,
+	0x1e73,
+	0x1e75,
+	0x1e77,
+	0x1e79,
+	0x1e7b,
+	0x1e7d,
+	0x1e7f,
+	0x1e81,
+	0x1e83,
+	0x1e85,
+	0x1e87,
+	0x1e89,
+	0x1e8b,
+	0x1e8d,
+	0x1e8f,
+	0x1e91,
+	0x1e93,
+	0x1e9f,
+	0x1ea1,
+	0x1ea3,
+	0x1ea5,
+	0x1ea7,
+	0x1ea9,
+	0x1eab,
+	0x1ead,
+	0x1eaf,
+	0x1eb1,
+	0x1eb3,
+	0x1eb5,
+	0x1eb7,
+	0x1eb9,
+	0x1ebb,
+	0x1ebd,
+	0x1ebf,
+	0x1ec1,
+	0x1ec3,
+	0x1ec5,
+	0x1ec7,
+	0x1ec9,
+	0x1ecb,
+	0x1ecd,
+	0x1ecf,
+	0x1ed1,
+	0x1ed3,
+	0x1ed5,
+	0x1ed7,
+	0x1ed9,
+	0x1edb,
+	0x1edd,
+	0x1edf,
+	0x1ee1,
+	0x1ee3,
+	0x1ee5,
+	0x1ee7,
+	0x1ee9,
+	0x1eeb,
+	0x1eed,
+	0x1eef,
+	0x1ef1,
+	0x1ef3,
+	0x1ef5,
+	0x1ef7,
+	0x1ef9,
+	0x1efb,
+	0x1efd,
+	0x1fbe,
+	0x210a,
+	0x2113,
+	0x212f,
+	0x2134,
+	0x2139,
+	0x214e,
+	0x2184,
+	0x2c61,
+	0x2c68,
+	0x2c6a,
+	0x2c6c,
+	0x2c71,
+	0x2c81,
+	0x2c83,
+	0x2c85,
+	0x2c87,
+	0x2c89,
+	0x2c8b,
+	0x2c8d,
+	0x2c8f,
+	0x2c91,
+	0x2c93,
+	0x2c95,
+	0x2c97,
+	0x2c99,
+	0x2c9b,
+	0x2c9d,
+	0x2c9f,
+	0x2ca1,
+	0x2ca3,
+	0x2ca5,
+	0x2ca7,
+	0x2ca9,
+	0x2cab,
+	0x2cad,
+	0x2caf,
+	0x2cb1,
+	0x2cb3,
+	0x2cb5,
+	0x2cb7,
+	0x2cb9,
+	0x2cbb,
+	0x2cbd,
+	0x2cbf,
+	0x2cc1,
+	0x2cc3,
+	0x2cc5,
+	0x2cc7,
+	0x2cc9,
+	0x2ccb,
+	0x2ccd,
+	0x2ccf,
+	0x2cd1,
+	0x2cd3,
+	0x2cd5,
+	0x2cd7,
+	0x2cd9,
+	0x2cdb,
+	0x2cdd,
+	0x2cdf,
+	0x2ce1,
+	0x2cec,
+	0x2cee,
+	0x2cf3,
+	0x2d27,
+	0x2d2d,
+	0xa641,
+	0xa643,
+	0xa645,
+	0xa647,
+	0xa649,
+	0xa64b,
+	0xa64d,
+	0xa64f,
+	0xa651,
+	0xa653,
+	0xa655,
+	0xa657,
+	0xa659,
+	0xa65b,
+	0xa65d,
+	0xa65f,
+	0xa661,
+	0xa663,
+	0xa665,
+	0xa667,
+	0xa669,
+	0xa66b,
+	0xa66d,
+	0xa681,
+	0xa683,
+	0xa685,
+	0xa687,
+	0xa689,
+	0xa68b,
+	0xa68d,
+	0xa68f,
+	0xa691,
+	0xa693,
+	0xa695,
+	0xa697,
+	0xa699,
+	0xa69b,
+	0xa723,
+	0xa725,
+	0xa727,
+	0xa729,
+	0xa72b,
+	0xa72d,
+	0xa733,
+	0xa735,
+	0xa737,
+	0xa739,
+	0xa73b,
+	0xa73d,
+	0xa73f,
+	0xa741,
+	0xa743,
+	0xa745,
+	0xa747,
+	0xa749,
+	0xa74b,
+	0xa74d,
+	0xa74f,
+	0xa751,
+	0xa753,
+	0xa755,
+	0xa757,
+	0xa759,
+	0xa75b,
+	0xa75d,
+	0xa75f,
+	0xa761,
+	0xa763,
+	0xa765,
+	0xa767,
+	0xa769,
+	0xa76b,
+	0xa76d,
+	0xa76f,
+	0xa77a,
+	0xa77c,
+	0xa77f,
+	0xa781,
+	0xa783,
+	0xa785,
+	0xa787,
+	0xa78c,
+	0xa78e,
+	0xa791,
+	0xa797,
+	0xa799,
+	0xa79b,
+	0xa79d,
+	0xa79f,
+	0xa7a1,
+	0xa7a3,
+	0xa7a5,
+	0xa7a7,
+	0xa7a9,
+	0xa7fa,
+	0x1d4bb,
+	0x1d7cb,
+};
+
+bool
+irc_uni_islower(uint32_t c)
+{
+	const uint32_t *p;
+
+	p = search(c, islowerr, nelem (islowerr) / 2, 2);
+
+	if (p && c >= p[0] && c <= p[1])
+		return true;
+
+	p = search(c, islowers, nelem (islowers), 1);
+
+	if (p && c == p[0])
+		return true;
+
+	return false;
+}
+
+static const uint32_t istitler[] = {
+	0x0041, 0x005a,
+	0x00c0, 0x00d6,
+	0x00d8, 0x00de,
+	0x0178, 0x0179,
+	0x0181, 0x0182,
+	0x0186, 0x0187,
+	0x0189, 0x018b,
+	0x018e, 0x0191,
+	0x0193, 0x0194,
+	0x0196, 0x0198,
+	0x019c, 0x019d,
+	0x019f, 0x01a0,
+	0x01a6, 0x01a7,
+	0x01ae, 0x01af,
+	0x01b1, 0x01b3,
+	0x01b7, 0x01b8,
+	0x01f6, 0x01f8,
+	0x023a, 0x023b,
+	0x023d, 0x023e,
+	0x0243, 0x0246,
+	0x0388, 0x038a,
+	0x038e, 0x038f,
+	0x0391, 0x03a1,
+	0x03a3, 0x03ab,
+	0x03f9, 0x03fa,
+	0x03fd, 0x042f,
+	0x04c0, 0x04c1,
+	0x0531, 0x0556,
+	0x10a0, 0x10c5,
+	0x1f08, 0x1f0f,
+	0x1f18, 0x1f1d,
+	0x1f28, 0x1f2f,
+	0x1f38, 0x1f3f,
+	0x1f48, 0x1f4d,
+	0x1f68, 0x1f6f,
+	0x1f88, 0x1f8f,
+	0x1f98, 0x1f9f,
+	0x1fa8, 0x1faf,
+	0x1fb8, 0x1fbc,
+	0x1fc8, 0x1fcc,
+	0x1fd8, 0x1fdb,
+	0x1fe8, 0x1fec,
+	0x1ff8, 0x1ffc,
+	0x2160, 0x216f,
+	0x24b6, 0x24cf,
+	0x2c00, 0x2c2e,
+	0x2c62, 0x2c64,
+	0x2c6d, 0x2c70,
+	0x2c7e, 0x2c80,
+	0xa77d, 0xa77e,
+	0xa7aa, 0xa7ad,
+	0xa7b0, 0xa7b1,
+	0xff21, 0xff3a,
+	0x10400, 0x10427,
+	0x118a0, 0x118bf,
+};
+
+static const uint32_t istitles[] = {
+	0x0100,
+	0x0102,
+	0x0104,
+	0x0106,
+	0x0108,
+	0x010a,
+	0x010c,
+	0x010e,
+	0x0110,
+	0x0112,
+	0x0114,
+	0x0116,
+	0x0118,
+	0x011a,
+	0x011c,
+	0x011e,
+	0x0120,
+	0x0122,
+	0x0124,
+	0x0126,
+	0x0128,
+	0x012a,
+	0x012c,
+	0x012e,
+	0x0132,
+	0x0134,
+	0x0136,
+	0x0139,
+	0x013b,
+	0x013d,
+	0x013f,
+	0x0141,
+	0x0143,
+	0x0145,
+	0x0147,
+	0x014a,
+	0x014c,
+	0x014e,
+	0x0150,
+	0x0152,
+	0x0154,
+	0x0156,
+	0x0158,
+	0x015a,
+	0x015c,
+	0x015e,
+	0x0160,
+	0x0162,
+	0x0164,
+	0x0166,
+	0x0168,
+	0x016a,
+	0x016c,
+	0x016e,
+	0x0170,
+	0x0172,
+	0x0174,
+	0x0176,
+	0x017b,
+	0x017d,
+	0x0184,
+	0x01a2,
+	0x01a4,
+	0x01a9,
+	0x01ac,
+	0x01b5,
+	0x01bc,
+	0x01c5,
+	0x01c8,
+	0x01cb,
+	0x01cd,
+	0x01cf,
+	0x01d1,
+	0x01d3,
+	0x01d5,
+	0x01d7,
+	0x01d9,
+	0x01db,
+	0x01de,
+	0x01e0,
+	0x01e2,
+	0x01e4,
+	0x01e6,
+	0x01e8,
+	0x01ea,
+	0x01ec,
+	0x01ee,
+	0x01f2,
+	0x01f4,
+	0x01fa,
+	0x01fc,
+	0x01fe,
+	0x0200,
+	0x0202,
+	0x0204,
+	0x0206,
+	0x0208,
+	0x020a,
+	0x020c,
+	0x020e,
+	0x0210,
+	0x0212,
+	0x0214,
+	0x0216,
+	0x0218,
+	0x021a,
+	0x021c,
+	0x021e,
+	0x0220,
+	0x0222,
+	0x0224,
+	0x0226,
+	0x0228,
+	0x022a,
+	0x022c,
+	0x022e,
+	0x0230,
+	0x0232,
+	0x0241,
+	0x0248,
+	0x024a,
+	0x024c,
+	0x024e,
+	0x0370,
+	0x0372,
+	0x0376,
+	0x037f,
+	0x0386,
+	0x038c,
+	0x03cf,
+	0x03d8,
+	0x03da,
+	0x03dc,
+	0x03de,
+	0x03e0,
+	0x03e2,
+	0x03e4,
+	0x03e6,
+	0x03e8,
+	0x03ea,
+	0x03ec,
+	0x03ee,
+	0x03f7,
+	0x0460,
+	0x0462,
+	0x0464,
+	0x0466,
+	0x0468,
+	0x046a,
+	0x046c,
+	0x046e,
+	0x0470,
+	0x0472,
+	0x0474,
+	0x0476,
+	0x0478,
+	0x047a,
+	0x047c,
+	0x047e,
+	0x0480,
+	0x048a,
+	0x048c,
+	0x048e,
+	0x0490,
+	0x0492,
+	0x0494,
+	0x0496,
+	0x0498,
+	0x049a,
+	0x049c,
+	0x049e,
+	0x04a0,
+	0x04a2,
+	0x04a4,
+	0x04a6,
+	0x04a8,
+	0x04aa,
+	0x04ac,
+	0x04ae,
+	0x04b0,
+	0x04b2,
+	0x04b4,
+	0x04b6,
+	0x04b8,
+	0x04ba,
+	0x04bc,
+	0x04be,
+	0x04c3,
+	0x04c5,
+	0x04c7,
+	0x04c9,
+	0x04cb,
+	0x04cd,
+	0x04d0,
+	0x04d2,
+	0x04d4,
+	0x04d6,
+	0x04d8,
+	0x04da,
+	0x04dc,
+	0x04de,
+	0x04e0,
+	0x04e2,
+	0x04e4,
+	0x04e6,
+	0x04e8,
+	0x04ea,
+	0x04ec,
+	0x04ee,
+	0x04f0,
+	0x04f2,
+	0x04f4,
+	0x04f6,
+	0x04f8,
+	0x04fa,
+	0x04fc,
+	0x04fe,
+	0x0500,
+	0x0502,
+	0x0504,
+	0x0506,
+	0x0508,
+	0x050a,
+	0x050c,
+	0x050e,
+	0x0510,
+	0x0512,
+	0x0514,
+	0x0516,
+	0x0518,
+	0x051a,
+	0x051c,
+	0x051e,
+	0x0520,
+	0x0522,
+	0x0524,
+	0x0526,
+	0x0528,
+	0x052a,
+	0x052c,
+	0x052e,
+	0x10c7,
+	0x10cd,
+	0x1e00,
+	0x1e02,
+	0x1e04,
+	0x1e06,
+	0x1e08,
+	0x1e0a,
+	0x1e0c,
+	0x1e0e,
+	0x1e10,
+	0x1e12,
+	0x1e14,
+	0x1e16,
+	0x1e18,
+	0x1e1a,
+	0x1e1c,
+	0x1e1e,
+	0x1e20,
+	0x1e22,
+	0x1e24,
+	0x1e26,
+	0x1e28,
+	0x1e2a,
+	0x1e2c,
+	0x1e2e,
+	0x1e30,
+	0x1e32,
+	0x1e34,
+	0x1e36,
+	0x1e38,
+	0x1e3a,
+	0x1e3c,
+	0x1e3e,
+	0x1e40,
+	0x1e42,
+	0x1e44,
+	0x1e46,
+	0x1e48,
+	0x1e4a,
+	0x1e4c,
+	0x1e4e,
+	0x1e50,
+	0x1e52,
+	0x1e54,
+	0x1e56,
+	0x1e58,
+	0x1e5a,
+	0x1e5c,
+	0x1e5e,
+	0x1e60,
+	0x1e62,
+	0x1e64,
+	0x1e66,
+	0x1e68,
+	0x1e6a,
+	0x1e6c,
+	0x1e6e,
+	0x1e70,
+	0x1e72,
+	0x1e74,
+	0x1e76,
+	0x1e78,
+	0x1e7a,
+	0x1e7c,
+	0x1e7e,
+	0x1e80,
+	0x1e82,
+	0x1e84,
+	0x1e86,
+	0x1e88,
+	0x1e8a,
+	0x1e8c,
+	0x1e8e,
+	0x1e90,
+	0x1e92,
+	0x1e94,
+	0x1ea0,
+	0x1ea2,
+	0x1ea4,
+	0x1ea6,
+	0x1ea8,
+	0x1eaa,
+	0x1eac,
+	0x1eae,
+	0x1eb0,
+	0x1eb2,
+	0x1eb4,
+	0x1eb6,
+	0x1eb8,
+	0x1eba,
+	0x1ebc,
+	0x1ebe,
+	0x1ec0,
+	0x1ec2,
+	0x1ec4,
+	0x1ec6,
+	0x1ec8,
+	0x1eca,
+	0x1ecc,
+	0x1ece,
+	0x1ed0,
+	0x1ed2,
+	0x1ed4,
+	0x1ed6,
+	0x1ed8,
+	0x1eda,
+	0x1edc,
+	0x1ede,
+	0x1ee0,
+	0x1ee2,
+	0x1ee4,
+	0x1ee6,
+	0x1ee8,
+	0x1eea,
+	0x1eec,
+	0x1eee,
+	0x1ef0,
+	0x1ef2,
+	0x1ef4,
+	0x1ef6,
+	0x1ef8,
+	0x1efa,
+	0x1efc,
+	0x1efe,
+	0x1f59,
+	0x1f5b,
+	0x1f5d,
+	0x1f5f,
+	0x2132,
+	0x2183,
+	0x2c60,
+	0x2c67,
+	0x2c69,
+	0x2c6b,
+	0x2c72,
+	0x2c75,
+	0x2c82,
+	0x2c84,
+	0x2c86,
+	0x2c88,
+	0x2c8a,
+	0x2c8c,
+	0x2c8e,
+	0x2c90,
+	0x2c92,
+	0x2c94,
+	0x2c96,
+	0x2c98,
+	0x2c9a,
+	0x2c9c,
+	0x2c9e,
+	0x2ca0,
+	0x2ca2,
+	0x2ca4,
+	0x2ca6,
+	0x2ca8,
+	0x2caa,
+	0x2cac,
+	0x2cae,
+	0x2cb0,
+	0x2cb2,
+	0x2cb4,
+	0x2cb6,
+	0x2cb8,
+	0x2cba,
+	0x2cbc,
+	0x2cbe,
+	0x2cc0,
+	0x2cc2,
+	0x2cc4,
+	0x2cc6,
+	0x2cc8,
+	0x2cca,
+	0x2ccc,
+	0x2cce,
+	0x2cd0,
+	0x2cd2,
+	0x2cd4,
+	0x2cd6,
+	0x2cd8,
+	0x2cda,
+	0x2cdc,
+	0x2cde,
+	0x2ce0,
+	0x2ce2,
+	0x2ceb,
+	0x2ced,
+	0x2cf2,
+	0xa640,
+	0xa642,
+	0xa644,
+	0xa646,
+	0xa648,
+	0xa64a,
+	0xa64c,
+	0xa64e,
+	0xa650,
+	0xa652,
+	0xa654,
+	0xa656,
+	0xa658,
+	0xa65a,
+	0xa65c,
+	0xa65e,
+	0xa660,
+	0xa662,
+	0xa664,
+	0xa666,
+	0xa668,
+	0xa66a,
+	0xa66c,
+	0xa680,
+	0xa682,
+	0xa684,
+	0xa686,
+	0xa688,
+	0xa68a,
+	0xa68c,
+	0xa68e,
+	0xa690,
+	0xa692,
+	0xa694,
+	0xa696,
+	0xa698,
+	0xa69a,
+	0xa722,
+	0xa724,
+	0xa726,
+	0xa728,
+	0xa72a,
+	0xa72c,
+	0xa72e,
+	0xa732,
+	0xa734,
+	0xa736,
+	0xa738,
+	0xa73a,
+	0xa73c,
+	0xa73e,
+	0xa740,
+	0xa742,
+	0xa744,
+	0xa746,
+	0xa748,
+	0xa74a,
+	0xa74c,
+	0xa74e,
+	0xa750,
+	0xa752,
+	0xa754,
+	0xa756,
+	0xa758,
+	0xa75a,
+	0xa75c,
+	0xa75e,
+	0xa760,
+	0xa762,
+	0xa764,
+	0xa766,
+	0xa768,
+	0xa76a,
+	0xa76c,
+	0xa76e,
+	0xa779,
+	0xa77b,
+	0xa780,
+	0xa782,
+	0xa784,
+	0xa786,
+	0xa78b,
+	0xa78d,
+	0xa790,
+	0xa792,
+	0xa796,
+	0xa798,
+	0xa79a,
+	0xa79c,
+	0xa79e,
+	0xa7a0,
+	0xa7a2,
+	0xa7a4,
+	0xa7a6,
+	0xa7a8,
+};
+
+bool
+irc_uni_istitle(uint32_t c)
+{
+	const uint32_t *p;
+
+	p = search(c, istitler, nelem (istitler) / 2, 2);
+
+	if (p && c >= p[0] && c <= p[1])
+		return true;
+
+	p = search(c, istitles, nelem (istitles), 1);
+
+	if (p && c == p[0])
+		return true;
+
+	return false;
+}
+
+static const uint32_t toupperr[] = {
+	0x0061, 0x007a, 1048544,
+	0x00e0, 0x00f6, 1048544,
+	0x00f8, 0x00fe, 1048544,
+	0x023f, 0x0240, 1059391,
+	0x0256, 0x0257, 1048371,
+	0x028a, 0x028b, 1048359,
+	0x037b, 0x037d, 1048706,
+	0x03ad, 0x03af, 1048539,
+	0x03b1, 0x03c1, 1048544,
+	0x03c3, 0x03cb, 1048544,
+	0x03cd, 0x03ce, 1048513,
+	0x0430, 0x044f, 1048544,
+	0x0450, 0x045f, 1048496,
+	0x0561, 0x0586, 1048528,
+	0x1f00, 0x1f07, 1048584,
+	0x1f10, 0x1f15, 1048584,
+	0x1f20, 0x1f27, 1048584,
+	0x1f30, 0x1f37, 1048584,
+	0x1f40, 0x1f45, 1048584,
+	0x1f60, 0x1f67, 1048584,
+	0x1f70, 0x1f71, 1048650,
+	0x1f72, 0x1f75, 1048662,
+	0x1f76, 0x1f77, 1048676,
+	0x1f78, 0x1f79, 1048704,
+	0x1f7a, 0x1f7b, 1048688,
+	0x1f7c, 0x1f7d, 1048702,
+	0x1f80, 0x1f87, 1048584,
+	0x1f90, 0x1f97, 1048584,
+	0x1fa0, 0x1fa7, 1048584,
+	0x1fb0, 0x1fb1, 1048584,
+	0x1fd0, 0x1fd1, 1048584,
+	0x1fe0, 0x1fe1, 1048584,
+	0x2170, 0x217f, 1048560,
+	0x24d0, 0x24e9, 1048550,
+	0x2c30, 0x2c5e, 1048528,
+	0x2d00, 0x2d25, 1041312,
+	0xff41, 0xff5a, 1048544,
+	0x10428, 0x1044f, 1048536,
+	0x118c0, 0x118df, 1048544,
+};
+
+static const uint32_t touppers[] = {
+	0x00b5, 1049319,
+	0x00ff, 1048697,
+	0x0101, 1048575,
+	0x0103, 1048575,
+	0x0105, 1048575,
+	0x0107, 1048575,
+	0x0109, 1048575,
+	0x010b, 1048575,
+	0x010d, 1048575,
+	0x010f, 1048575,
+	0x0111, 1048575,
+	0x0113, 1048575,
+	0x0115, 1048575,
+	0x0117, 1048575,
+	0x0119, 1048575,
+	0x011b, 1048575,
+	0x011d, 1048575,
+	0x011f, 1048575,
+	0x0121, 1048575,
+	0x0123, 1048575,
+	0x0125, 1048575,
+	0x0127, 1048575,
+	0x0129, 1048575,
+	0x012b, 1048575,
+	0x012d, 1048575,
+	0x012f, 1048575,
+	0x0131, 1048344,
+	0x0133, 1048575,
+	0x0135, 1048575,
+	0x0137, 1048575,
+	0x013a, 1048575,
+	0x013c, 1048575,
+	0x013e, 1048575,
+	0x0140, 1048575,
+	0x0142, 1048575,
+	0x0144, 1048575,
+	0x0146, 1048575,
+	0x0148, 1048575,
+	0x014b, 1048575,
+	0x014d, 1048575,
+	0x014f, 1048575,
+	0x0151, 1048575,
+	0x0153, 1048575,
+	0x0155, 1048575,
+	0x0157, 1048575,
+	0x0159, 1048575,
+	0x015b, 1048575,
+	0x015d, 1048575,
+	0x015f, 1048575,
+	0x0161, 1048575,
+	0x0163, 1048575,
+	0x0165, 1048575,
+	0x0167, 1048575,
+	0x0169, 1048575,
+	0x016b, 1048575,
+	0x016d, 1048575,
+	0x016f, 1048575,
+	0x0171, 1048575,
+	0x0173, 1048575,
+	0x0175, 1048575,
+	0x0177, 1048575,
+	0x017a, 1048575,
+	0x017c, 1048575,
+	0x017e, 1048575,
+	0x017f, 1048276,
+	0x0180, 1048771,
+	0x0183, 1048575,
+	0x0185, 1048575,
+	0x0188, 1048575,
+	0x018c, 1048575,
+	0x0192, 1048575,
+	0x0195, 1048673,
+	0x0199, 1048575,
+	0x019a, 1048739,
+	0x019e, 1048706,
+	0x01a1, 1048575,
+	0x01a3, 1048575,
+	0x01a5, 1048575,
+	0x01a8, 1048575,
+	0x01ad, 1048575,
+	0x01b0, 1048575,
+	0x01b4, 1048575,
+	0x01b6, 1048575,
+	0x01b9, 1048575,
+	0x01bd, 1048575,
+	0x01bf, 1048632,
+	0x01c5, 1048575,
+	0x01c6, 1048574,
+	0x01c8, 1048575,
+	0x01c9, 1048574,
+	0x01cb, 1048575,
+	0x01cc, 1048574,
+	0x01ce, 1048575,
+	0x01d0, 1048575,
+	0x01d2, 1048575,
+	0x01d4, 1048575,
+	0x01d6, 1048575,
+	0x01d8, 1048575,
+	0x01da, 1048575,
+	0x01dc, 1048575,
+	0x01dd, 1048497,
+	0x01df, 1048575,
+	0x01e1, 1048575,
+	0x01e3, 1048575,
+	0x01e5, 1048575,
+	0x01e7, 1048575,
+	0x01e9, 1048575,
+	0x01eb, 1048575,
+	0x01ed, 1048575,
+	0x01ef, 1048575,
+	0x01f2, 1048575,
+	0x01f3, 1048574,
+	0x01f5, 1048575,
+	0x01f9, 1048575,
+	0x01fb, 1048575,
+	0x01fd, 1048575,
+	0x01ff, 1048575,
+	0x0201, 1048575,
+	0x0203, 1048575,
+	0x0205, 1048575,
+	0x0207, 1048575,
+	0x0209, 1048575,
+	0x020b, 1048575,
+	0x020d, 1048575,
+	0x020f, 1048575,
+	0x0211, 1048575,
+	0x0213, 1048575,
+	0x0215, 1048575,
+	0x0217, 1048575,
+	0x0219, 1048575,
+	0x021b, 1048575,
+	0x021d, 1048575,
+	0x021f, 1048575,
+	0x0223, 1048575,
+	0x0225, 1048575,
+	0x0227, 1048575,
+	0x0229, 1048575,
+	0x022b, 1048575,
+	0x022d, 1048575,
+	0x022f, 1048575,
+	0x0231, 1048575,
+	0x0233, 1048575,
+	0x023c, 1048575,
+	0x0242, 1048575,
+	0x0247, 1048575,
+	0x0249, 1048575,
+	0x024b, 1048575,
+	0x024d, 1048575,
+	0x024f, 1048575,
+	0x0250, 1059359,
+	0x0251, 1059356,
+	0x0252, 1059358,
+	0x0253, 1048366,
+	0x0254, 1048370,
+	0x0259, 1048374,
+	0x025b, 1048373,
+	0x025c, 1090895,
+	0x0260, 1048371,
+	0x0261, 1090891,
+	0x0263, 1048369,
+	0x0265, 1090856,
+	0x0266, 1090884,
+	0x0268, 1048367,
+	0x0269, 1048365,
+	0x026b, 1059319,
+	0x026c, 1090881,
+	0x026f, 1048365,
+	0x0271, 1059325,
+	0x0272, 1048363,
+	0x0275, 1048362,
+	0x027d, 1059303,
+	0x0280, 1048358,
+	0x0283, 1048358,
+	0x0287, 1090858,
+	0x0288, 1048358,
+	0x0289, 1048507,
+	0x028c, 1048505,
+	0x0292, 1048357,
+	0x029e, 1090834,
+	0x0345, 1048660,
+	0x0371, 1048575,
+	0x0373, 1048575,
+	0x0377, 1048575,
+	0x03ac, 1048538,
+	0x03c2, 1048545,
+	0x03cc, 1048512,
+	0x03d0, 1048514,
+	0x03d1, 1048519,
+	0x03d5, 1048529,
+	0x03d6, 1048522,
+	0x03d7, 1048568,
+	0x03d9, 1048575,
+	0x03db, 1048575,
+	0x03dd, 1048575,
+	0x03df, 1048575,
+	0x03e1, 1048575,
+	0x03e3, 1048575,
+	0x03e5, 1048575,
+	0x03e7, 1048575,
+	0x03e9, 1048575,
+	0x03eb, 1048575,
+	0x03ed, 1048575,
+	0x03ef, 1048575,
+	0x03f0, 1048490,
+	0x03f1, 1048496,
+	0x03f2, 1048583,
+	0x03f3, 1048460,
+	0x03f5, 1048480,
+	0x03f8, 1048575,
+	0x03fb, 1048575,
+	0x0461, 1048575,
+	0x0463, 1048575,
+	0x0465, 1048575,
+	0x0467, 1048575,
+	0x0469, 1048575,
+	0x046b, 1048575,
+	0x046d, 1048575,
+	0x046f, 1048575,
+	0x0471, 1048575,
+	0x0473, 1048575,
+	0x0475, 1048575,
+	0x0477, 1048575,
+	0x0479, 1048575,
+	0x047b, 1048575,
+	0x047d, 1048575,
+	0x047f, 1048575,
+	0x0481, 1048575,
+	0x048b, 1048575,
+	0x048d, 1048575,
+	0x048f, 1048575,
+	0x0491, 1048575,
+	0x0493, 1048575,
+	0x0495, 1048575,
+	0x0497, 1048575,
+	0x0499, 1048575,
+	0x049b, 1048575,
+	0x049d, 1048575,
+	0x049f, 1048575,
+	0x04a1, 1048575,
+	0x04a3, 1048575,
+	0x04a5, 1048575,
+	0x04a7, 1048575,
+	0x04a9, 1048575,
+	0x04ab, 1048575,
+	0x04ad, 1048575,
+	0x04af, 1048575,
+	0x04b1, 1048575,
+	0x04b3, 1048575,
+	0x04b5, 1048575,
+	0x04b7, 1048575,
+	0x04b9, 1048575,
+	0x04bb, 1048575,
+	0x04bd, 1048575,
+	0x04bf, 1048575,
+	0x04c2, 1048575,
+	0x04c4, 1048575,
+	0x04c6, 1048575,
+	0x04c8, 1048575,
+	0x04ca, 1048575,
+	0x04cc, 1048575,
+	0x04ce, 1048575,
+	0x04cf, 1048561,
+	0x04d1, 1048575,
+	0x04d3, 1048575,
+	0x04d5, 1048575,
+	0x04d7, 1048575,
+	0x04d9, 1048575,
+	0x04db, 1048575,
+	0x04dd, 1048575,
+	0x04df, 1048575,
+	0x04e1, 1048575,
+	0x04e3, 1048575,
+	0x04e5, 1048575,
+	0x04e7, 1048575,
+	0x04e9, 1048575,
+	0x04eb, 1048575,
+	0x04ed, 1048575,
+	0x04ef, 1048575,
+	0x04f1, 1048575,
+	0x04f3, 1048575,
+	0x04f5, 1048575,
+	0x04f7, 1048575,
+	0x04f9, 1048575,
+	0x04fb, 1048575,
+	0x04fd, 1048575,
+	0x04ff, 1048575,
+	0x0501, 1048575,
+	0x0503, 1048575,
+	0x0505, 1048575,
+	0x0507, 1048575,
+	0x0509, 1048575,
+	0x050b, 1048575,
+	0x050d, 1048575,
+	0x050f, 1048575,
+	0x0511, 1048575,
+	0x0513, 1048575,
+	0x0515, 1048575,
+	0x0517, 1048575,
+	0x0519, 1048575,
+	0x051b, 1048575,
+	0x051d, 1048575,
+	0x051f, 1048575,
+	0x0521, 1048575,
+	0x0523, 1048575,
+	0x0525, 1048575,
+	0x0527, 1048575,
+	0x0529, 1048575,
+	0x052b, 1048575,
+	0x052d, 1048575,
+	0x052f, 1048575,
+	0x1d79, 1083908,
+	0x1d7d, 1052390,
+	0x1e01, 1048575,
+	0x1e03, 1048575,
+	0x1e05, 1048575,
+	0x1e07, 1048575,
+	0x1e09, 1048575,
+	0x1e0b, 1048575,
+	0x1e0d, 1048575,
+	0x1e0f, 1048575,
+	0x1e11, 1048575,
+	0x1e13, 1048575,
+	0x1e15, 1048575,
+	0x1e17, 1048575,
+	0x1e19, 1048575,
+	0x1e1b, 1048575,
+	0x1e1d, 1048575,
+	0x1e1f, 1048575,
+	0x1e21, 1048575,
+	0x1e23, 1048575,
+	0x1e25, 1048575,
+	0x1e27, 1048575,
+	0x1e29, 1048575,
+	0x1e2b, 1048575,
+	0x1e2d, 1048575,
+	0x1e2f, 1048575,
+	0x1e31, 1048575,
+	0x1e33, 1048575,
+	0x1e35, 1048575,
+	0x1e37, 1048575,
+	0x1e39, 1048575,
+	0x1e3b, 1048575,
+	0x1e3d, 1048575,
+	0x1e3f, 1048575,
+	0x1e41, 1048575,
+	0x1e43, 1048575,
+	0x1e45, 1048575,
+	0x1e47, 1048575,
+	0x1e49, 1048575,
+	0x1e4b, 1048575,
+	0x1e4d, 1048575,
+	0x1e4f, 1048575,
+	0x1e51, 1048575,
+	0x1e53, 1048575,
+	0x1e55, 1048575,
+	0x1e57, 1048575,
+	0x1e59, 1048575,
+	0x1e5b, 1048575,
+	0x1e5d, 1048575,
+	0x1e5f, 1048575,
+	0x1e61, 1048575,
+	0x1e63, 1048575,
+	0x1e65, 1048575,
+	0x1e67, 1048575,
+	0x1e69, 1048575,
+	0x1e6b, 1048575,
+	0x1e6d, 1048575,
+	0x1e6f, 1048575,
+	0x1e71, 1048575,
+	0x1e73, 1048575,
+	0x1e75, 1048575,
+	0x1e77, 1048575,
+	0x1e79, 1048575,
+	0x1e7b, 1048575,
+	0x1e7d, 1048575,
+	0x1e7f, 1048575,
+	0x1e81, 1048575,
+	0x1e83, 1048575,
+	0x1e85, 1048575,
+	0x1e87, 1048575,
+	0x1e89, 1048575,
+	0x1e8b, 1048575,
+	0x1e8d, 1048575,
+	0x1e8f, 1048575,
+	0x1e91, 1048575,
+	0x1e93, 1048575,
+	0x1e95, 1048575,
+	0x1e9b, 1048517,
+	0x1ea1, 1048575,
+	0x1ea3, 1048575,
+	0x1ea5, 1048575,
+	0x1ea7, 1048575,
+	0x1ea9, 1048575,
+	0x1eab, 1048575,
+	0x1ead, 1048575,
+	0x1eaf, 1048575,
+	0x1eb1, 1048575,
+	0x1eb3, 1048575,
+	0x1eb5, 1048575,
+	0x1eb7, 1048575,
+	0x1eb9, 1048575,
+	0x1ebb, 1048575,
+	0x1ebd, 1048575,
+	0x1ebf, 1048575,
+	0x1ec1, 1048575,
+	0x1ec3, 1048575,
+	0x1ec5, 1048575,
+	0x1ec7, 1048575,
+	0x1ec9, 1048575,
+	0x1ecb, 1048575,
+	0x1ecd, 1048575,
+	0x1ecf, 1048575,
+	0x1ed1, 1048575,
+	0x1ed3, 1048575,
+	0x1ed5, 1048575,
+	0x1ed7, 1048575,
+	0x1ed9, 1048575,
+	0x1edb, 1048575,
+	0x1edd, 1048575,
+	0x1edf, 1048575,
+	0x1ee1, 1048575,
+	0x1ee3, 1048575,
+	0x1ee5, 1048575,
+	0x1ee7, 1048575,
+	0x1ee9, 1048575,
+	0x1eeb, 1048575,
+	0x1eed, 1048575,
+	0x1eef, 1048575,
+	0x1ef1, 1048575,
+	0x1ef3, 1048575,
+	0x1ef5, 1048575,
+	0x1ef7, 1048575,
+	0x1ef9, 1048575,
+	0x1efb, 1048575,
+	0x1efd, 1048575,
+	0x1eff, 1048575,
+	0x1f51, 1048584,
+	0x1f53, 1048584,
+	0x1f55, 1048584,
+	0x1f57, 1048584,
+	0x1fb3, 1048585,
+	0x1fbe, 1041371,
+	0x1fc3, 1048585,
+	0x1fe5, 1048583,
+	0x1ff3, 1048585,
+	0x214e, 1048548,
+	0x2184, 1048575,
+	0x2c61, 1048575,
+	0x2c65, 1037781,
+	0x2c66, 1037784,
+	0x2c68, 1048575,
+	0x2c6a, 1048575,
+	0x2c6c, 1048575,
+	0x2c73, 1048575,
+	0x2c76, 1048575,
+	0x2c81, 1048575,
+	0x2c83, 1048575,
+	0x2c85, 1048575,
+	0x2c87, 1048575,
+	0x2c89, 1048575,
+	0x2c8b, 1048575,
+	0x2c8d, 1048575,
+	0x2c8f, 1048575,
+	0x2c91, 1048575,
+	0x2c93, 1048575,
+	0x2c95, 1048575,
+	0x2c97, 1048575,
+	0x2c99, 1048575,
+	0x2c9b, 1048575,
+	0x2c9d, 1048575,
+	0x2c9f, 1048575,
+	0x2ca1, 1048575,
+	0x2ca3, 1048575,
+	0x2ca5, 1048575,
+	0x2ca7, 1048575,
+	0x2ca9, 1048575,
+	0x2cab, 1048575,
+	0x2cad, 1048575,
+	0x2caf, 1048575,
+	0x2cb1, 1048575,
+	0x2cb3, 1048575,
+	0x2cb5, 1048575,
+	0x2cb7, 1048575,
+	0x2cb9, 1048575,
+	0x2cbb, 1048575,
+	0x2cbd, 1048575,
+	0x2cbf, 1048575,
+	0x2cc1, 1048575,
+	0x2cc3, 1048575,
+	0x2cc5, 1048575,
+	0x2cc7, 1048575,
+	0x2cc9, 1048575,
+	0x2ccb, 1048575,
+	0x2ccd, 1048575,
+	0x2ccf, 1048575,
+	0x2cd1, 1048575,
+	0x2cd3, 1048575,
+	0x2cd5, 1048575,
+	0x2cd7, 1048575,
+	0x2cd9, 1048575,
+	0x2cdb, 1048575,
+	0x2cdd, 1048575,
+	0x2cdf, 1048575,
+	0x2ce1, 1048575,
+	0x2ce3, 1048575,
+	0x2cec, 1048575,
+	0x2cee, 1048575,
+	0x2cf3, 1048575,
+	0x2d27, 1041312,
+	0x2d2d, 1041312,
+	0xa641, 1048575,
+	0xa643, 1048575,
+	0xa645, 1048575,
+	0xa647, 1048575,
+	0xa649, 1048575,
+	0xa64b, 1048575,
+	0xa64d, 1048575,
+	0xa64f, 1048575,
+	0xa651, 1048575,
+	0xa653, 1048575,
+	0xa655, 1048575,
+	0xa657, 1048575,
+	0xa659, 1048575,
+	0xa65b, 1048575,
+	0xa65d, 1048575,
+	0xa65f, 1048575,
+	0xa661, 1048575,
+	0xa663, 1048575,
+	0xa665, 1048575,
+	0xa667, 1048575,
+	0xa669, 1048575,
+	0xa66b, 1048575,
+	0xa66d, 1048575,
+	0xa681, 1048575,
+	0xa683, 1048575,
+	0xa685, 1048575,
+	0xa687, 1048575,
+	0xa689, 1048575,
+	0xa68b, 1048575,
+	0xa68d, 1048575,
+	0xa68f, 1048575,
+	0xa691, 1048575,
+	0xa693, 1048575,
+	0xa695, 1048575,
+	0xa697, 1048575,
+	0xa699, 1048575,
+	0xa69b, 1048575,
+	0xa723, 1048575,
+	0xa725, 1048575,
+	0xa727, 1048575,
+	0xa729, 1048575,
+	0xa72b, 1048575,
+	0xa72d, 1048575,
+	0xa72f, 1048575,
+	0xa733, 1048575,
+	0xa735, 1048575,
+	0xa737, 1048575,
+	0xa739, 1048575,
+	0xa73b, 1048575,
+	0xa73d, 1048575,
+	0xa73f, 1048575,
+	0xa741, 1048575,
+	0xa743, 1048575,
+	0xa745, 1048575,
+	0xa747, 1048575,
+	0xa749, 1048575,
+	0xa74b, 1048575,
+	0xa74d, 1048575,
+	0xa74f, 1048575,
+	0xa751, 1048575,
+	0xa753, 1048575,
+	0xa755, 1048575,
+	0xa757, 1048575,
+	0xa759, 1048575,
+	0xa75b, 1048575,
+	0xa75d, 1048575,
+	0xa75f, 1048575,
+	0xa761, 1048575,
+	0xa763, 1048575,
+	0xa765, 1048575,
+	0xa767, 1048575,
+	0xa769, 1048575,
+	0xa76b, 1048575,
+	0xa76d, 1048575,
+	0xa76f, 1048575,
+	0xa77a, 1048575,
+	0xa77c, 1048575,
+	0xa77f, 1048575,
+	0xa781, 1048575,
+	0xa783, 1048575,
+	0xa785, 1048575,
+	0xa787, 1048575,
+	0xa78c, 1048575,
+	0xa791, 1048575,
+	0xa793, 1048575,
+	0xa797, 1048575,
+	0xa799, 1048575,
+	0xa79b, 1048575,
+	0xa79d, 1048575,
+	0xa79f, 1048575,
+	0xa7a1, 1048575,
+	0xa7a3, 1048575,
+	0xa7a5, 1048575,
+	0xa7a7, 1048575,
+	0xa7a9, 1048575,
+};
+
+uint32_t
+irc_uni_toupper(uint32_t c)
+{
+	const uint32_t *p;
+
+	p = search(c, toupperr, nelem (toupperr) / 3, 3);
+
+	if (p && c >= p[0] && c <= p[1])
+		return c + p[2] - 1048576;
+
+	p = search(c, touppers, nelem (touppers) / 2, 2);
+
+	if (p && c == p[0])
+		return c + p[1] - 1048576;
+
+	return c;
+}
+
+static const uint32_t tolowerr[] = {
+	0x0041, 0x005a, 1048608,
+	0x00c0, 0x00d6, 1048608,
+	0x00d8, 0x00de, 1048608,
+	0x0189, 0x018a, 1048781,
+	0x01b1, 0x01b2, 1048793,
+	0x0388, 0x038a, 1048613,
+	0x038e, 0x038f, 1048639,
+	0x0391, 0x03a1, 1048608,
+	0x03a3, 0x03ab, 1048608,
+	0x03fd, 0x03ff, 1048446,
+	0x0400, 0x040f, 1048656,
+	0x0410, 0x042f, 1048608,
+	0x0531, 0x0556, 1048624,
+	0x10a0, 0x10c5, 1055840,
+	0x1f08, 0x1f0f, 1048568,
+	0x1f18, 0x1f1d, 1048568,
+	0x1f28, 0x1f2f, 1048568,
+	0x1f38, 0x1f3f, 1048568,
+	0x1f48, 0x1f4d, 1048568,
+	0x1f68, 0x1f6f, 1048568,
+	0x1f88, 0x1f8f, 1048568,
+	0x1f98, 0x1f9f, 1048568,
+	0x1fa8, 0x1faf, 1048568,
+	0x1fb8, 0x1fb9, 1048568,
+	0x1fba, 0x1fbb, 1048502,
+	0x1fc8, 0x1fcb, 1048490,
+	0x1fd8, 0x1fd9, 1048568,
+	0x1fda, 0x1fdb, 1048476,
+	0x1fe8, 0x1fe9, 1048568,
+	0x1fea, 0x1feb, 1048464,
+	0x1ff8, 0x1ff9, 1048448,
+	0x1ffa, 0x1ffb, 1048450,
+	0x2160, 0x216f, 1048592,
+	0x24b6, 0x24cf, 1048602,
+	0x2c00, 0x2c2e, 1048624,
+	0x2c7e, 0x2c7f, 1037761,
+	0xff21, 0xff3a, 1048608,
+	0x10400, 0x10427, 1048616,
+	0x118a0, 0x118bf, 1048608,
+};
+
+static const uint32_t tolowers[] = {
+	0x0100, 1048577,
+	0x0102, 1048577,
+	0x0104, 1048577,
+	0x0106, 1048577,
+	0x0108, 1048577,
+	0x010a, 1048577,
+	0x010c, 1048577,
+	0x010e, 1048577,
+	0x0110, 1048577,
+	0x0112, 1048577,
+	0x0114, 1048577,
+	0x0116, 1048577,
+	0x0118, 1048577,
+	0x011a, 1048577,
+	0x011c, 1048577,
+	0x011e, 1048577,
+	0x0120, 1048577,
+	0x0122, 1048577,
+	0x0124, 1048577,
+	0x0126, 1048577,
+	0x0128, 1048577,
+	0x012a, 1048577,
+	0x012c, 1048577,
+	0x012e, 1048577,
+	0x0130, 1048377,
+	0x0132, 1048577,
+	0x0134, 1048577,
+	0x0136, 1048577,
+	0x0139, 1048577,
+	0x013b, 1048577,
+	0x013d, 1048577,
+	0x013f, 1048577,
+	0x0141, 1048577,
+	0x0143, 1048577,
+	0x0145, 1048577,
+	0x0147, 1048577,
+	0x014a, 1048577,
+	0x014c, 1048577,
+	0x014e, 1048577,
+	0x0150, 1048577,
+	0x0152, 1048577,
+	0x0154, 1048577,
+	0x0156, 1048577,
+	0x0158, 1048577,
+	0x015a, 1048577,
+	0x015c, 1048577,
+	0x015e, 1048577,
+	0x0160, 1048577,
+	0x0162, 1048577,
+	0x0164, 1048577,
+	0x0166, 1048577,
+	0x0168, 1048577,
+	0x016a, 1048577,
+	0x016c, 1048577,
+	0x016e, 1048577,
+	0x0170, 1048577,
+	0x0172, 1048577,
+	0x0174, 1048577,
+	0x0176, 1048577,
+	0x0178, 1048455,
+	0x0179, 1048577,
+	0x017b, 1048577,
+	0x017d, 1048577,
+	0x0181, 1048786,
+	0x0182, 1048577,
+	0x0184, 1048577,
+	0x0186, 1048782,
+	0x0187, 1048577,
+	0x018b, 1048577,
+	0x018e, 1048655,
+	0x018f, 1048778,
+	0x0190, 1048779,
+	0x0191, 1048577,
+	0x0193, 1048781,
+	0x0194, 1048783,
+	0x0196, 1048787,
+	0x0197, 1048785,
+	0x0198, 1048577,
+	0x019c, 1048787,
+	0x019d, 1048789,
+	0x019f, 1048790,
+	0x01a0, 1048577,
+	0x01a2, 1048577,
+	0x01a4, 1048577,
+	0x01a6, 1048794,
+	0x01a7, 1048577,
+	0x01a9, 1048794,
+	0x01ac, 1048577,
+	0x01ae, 1048794,
+	0x01af, 1048577,
+	0x01b3, 1048577,
+	0x01b5, 1048577,
+	0x01b7, 1048795,
+	0x01b8, 1048577,
+	0x01bc, 1048577,
+	0x01c4, 1048578,
+	0x01c5, 1048577,
+	0x01c7, 1048578,
+	0x01c8, 1048577,
+	0x01ca, 1048578,
+	0x01cb, 1048577,
+	0x01cd, 1048577,
+	0x01cf, 1048577,
+	0x01d1, 1048577,
+	0x01d3, 1048577,
+	0x01d5, 1048577,
+	0x01d7, 1048577,
+	0x01d9, 1048577,
+	0x01db, 1048577,
+	0x01de, 1048577,
+	0x01e0, 1048577,
+	0x01e2, 1048577,
+	0x01e4, 1048577,
+	0x01e6, 1048577,
+	0x01e8, 1048577,
+	0x01ea, 1048577,
+	0x01ec, 1048577,
+	0x01ee, 1048577,
+	0x01f1, 1048578,
+	0x01f2, 1048577,
+	0x01f4, 1048577,
+	0x01f6, 1048479,
+	0x01f7, 1048520,
+	0x01f8, 1048577,
+	0x01fa, 1048577,
+	0x01fc, 1048577,
+	0x01fe, 1048577,
+	0x0200, 1048577,
+	0x0202, 1048577,
+	0x0204, 1048577,
+	0x0206, 1048577,
+	0x0208, 1048577,
+	0x020a, 1048577,
+	0x020c, 1048577,
+	0x020e, 1048577,
+	0x0210, 1048577,
+	0x0212, 1048577,
+	0x0214, 1048577,
+	0x0216, 1048577,
+	0x0218, 1048577,
+	0x021a, 1048577,
+	0x021c, 1048577,
+	0x021e, 1048577,
+	0x0220, 1048446,
+	0x0222, 1048577,
+	0x0224, 1048577,
+	0x0226, 1048577,
+	0x0228, 1048577,
+	0x022a, 1048577,
+	0x022c, 1048577,
+	0x022e, 1048577,
+	0x0230, 1048577,
+	0x0232, 1048577,
+	0x023a, 1059371,
+	0x023b, 1048577,
+	0x023d, 1048413,
+	0x023e, 1059368,
+	0x0241, 1048577,
+	0x0243, 1048381,
+	0x0244, 1048645,
+	0x0245, 1048647,
+	0x0246, 1048577,
+	0x0248, 1048577,
+	0x024a, 1048577,
+	0x024c, 1048577,
+	0x024e, 1048577,
+	0x0370, 1048577,
+	0x0372, 1048577,
+	0x0376, 1048577,
+	0x037f, 1048692,
+	0x0386, 1048614,
+	0x038c, 1048640,
+	0x03cf, 1048584,
+	0x03d8, 1048577,
+	0x03da, 1048577,
+	0x03dc, 1048577,
+	0x03de, 1048577,
+	0x03e0, 1048577,
+	0x03e2, 1048577,
+	0x03e4, 1048577,
+	0x03e6, 1048577,
+	0x03e8, 1048577,
+	0x03ea, 1048577,
+	0x03ec, 1048577,
+	0x03ee, 1048577,
+	0x03f4, 1048516,
+	0x03f7, 1048577,
+	0x03f9, 1048569,
+	0x03fa, 1048577,
+	0x0460, 1048577,
+	0x0462, 1048577,
+	0x0464, 1048577,
+	0x0466, 1048577,
+	0x0468, 1048577,
+	0x046a, 1048577,
+	0x046c, 1048577,
+	0x046e, 1048577,
+	0x0470, 1048577,
+	0x0472, 1048577,
+	0x0474, 1048577,
+	0x0476, 1048577,
+	0x0478, 1048577,
+	0x047a, 1048577,
+	0x047c, 1048577,
+	0x047e, 1048577,
+	0x0480, 1048577,
+	0x048a, 1048577,
+	0x048c, 1048577,
+	0x048e, 1048577,
+	0x0490, 1048577,
+	0x0492, 1048577,
+	0x0494, 1048577,
+	0x0496, 1048577,
+	0x0498, 1048577,
+	0x049a, 1048577,
+	0x049c, 1048577,
+	0x049e, 1048577,
+	0x04a0, 1048577,
+	0x04a2, 1048577,
+	0x04a4, 1048577,
+	0x04a6, 1048577,
+	0x04a8, 1048577,
+	0x04aa, 1048577,
+	0x04ac, 1048577,
+	0x04ae, 1048577,
+	0x04b0, 1048577,
+	0x04b2, 1048577,
+	0x04b4, 1048577,
+	0x04b6, 1048577,
+	0x04b8, 1048577,
+	0x04ba, 1048577,
+	0x04bc, 1048577,
+	0x04be, 1048577,
+	0x04c0, 1048591,
+	0x04c1, 1048577,
+	0x04c3, 1048577,
+	0x04c5, 1048577,
+	0x04c7, 1048577,
+	0x04c9, 1048577,
+	0x04cb, 1048577,
+	0x04cd, 1048577,
+	0x04d0, 1048577,
+	0x04d2, 1048577,
+	0x04d4, 1048577,
+	0x04d6, 1048577,
+	0x04d8, 1048577,
+	0x04da, 1048577,
+	0x04dc, 1048577,
+	0x04de, 1048577,
+	0x04e0, 1048577,
+	0x04e2, 1048577,
+	0x04e4, 1048577,
+	0x04e6, 1048577,
+	0x04e8, 1048577,
+	0x04ea, 1048577,
+	0x04ec, 1048577,
+	0x04ee, 1048577,
+	0x04f0, 1048577,
+	0x04f2, 1048577,
+	0x04f4, 1048577,
+	0x04f6, 1048577,
+	0x04f8, 1048577,
+	0x04fa, 1048577,
+	0x04fc, 1048577,
+	0x04fe, 1048577,
+	0x0500, 1048577,
+	0x0502, 1048577,
+	0x0504, 1048577,
+	0x0506, 1048577,
+	0x0508, 1048577,
+	0x050a, 1048577,
+	0x050c, 1048577,
+	0x050e, 1048577,
+	0x0510, 1048577,
+	0x0512, 1048577,
+	0x0514, 1048577,
+	0x0516, 1048577,
+	0x0518, 1048577,
+	0x051a, 1048577,
+	0x051c, 1048577,
+	0x051e, 1048577,
+	0x0520, 1048577,
+	0x0522, 1048577,
+	0x0524, 1048577,
+	0x0526, 1048577,
+	0x0528, 1048577,
+	0x052a, 1048577,
+	0x052c, 1048577,
+	0x052e, 1048577,
+	0x10c7, 1055840,
+	0x10cd, 1055840,
+	0x1e00, 1048577,
+	0x1e02, 1048577,
+	0x1e04, 1048577,
+	0x1e06, 1048577,
+	0x1e08, 1048577,
+	0x1e0a, 1048577,
+	0x1e0c, 1048577,
+	0x1e0e, 1048577,
+	0x1e10, 1048577,
+	0x1e12, 1048577,
+	0x1e14, 1048577,
+	0x1e16, 1048577,
+	0x1e18, 1048577,
+	0x1e1a, 1048577,
+	0x1e1c, 1048577,
+	0x1e1e, 1048577,
+	0x1e20, 1048577,
+	0x1e22, 1048577,
+	0x1e24, 1048577,
+	0x1e26, 1048577,
+	0x1e28, 1048577,
+	0x1e2a, 1048577,
+	0x1e2c, 1048577,
+	0x1e2e, 1048577,
+	0x1e30, 1048577,
+	0x1e32, 1048577,
+	0x1e34, 1048577,
+	0x1e36, 1048577,
+	0x1e38, 1048577,
+	0x1e3a, 1048577,
+	0x1e3c, 1048577,
+	0x1e3e, 1048577,
+	0x1e40, 1048577,
+	0x1e42, 1048577,
+	0x1e44, 1048577,
+	0x1e46, 1048577,
+	0x1e48, 1048577,
+	0x1e4a, 1048577,
+	0x1e4c, 1048577,
+	0x1e4e, 1048577,
+	0x1e50, 1048577,
+	0x1e52, 1048577,
+	0x1e54, 1048577,
+	0x1e56, 1048577,
+	0x1e58, 1048577,
+	0x1e5a, 1048577,
+	0x1e5c, 1048577,
+	0x1e5e, 1048577,
+	0x1e60, 1048577,
+	0x1e62, 1048577,
+	0x1e64, 1048577,
+	0x1e66, 1048577,
+	0x1e68, 1048577,
+	0x1e6a, 1048577,
+	0x1e6c, 1048577,
+	0x1e6e, 1048577,
+	0x1e70, 1048577,
+	0x1e72, 1048577,
+	0x1e74, 1048577,
+	0x1e76, 1048577,
+	0x1e78, 1048577,
+	0x1e7a, 1048577,
+	0x1e7c, 1048577,
+	0x1e7e, 1048577,
+	0x1e80, 1048577,
+	0x1e82, 1048577,
+	0x1e84, 1048577,
+	0x1e86, 1048577,
+	0x1e88, 1048577,
+	0x1e8a, 1048577,
+	0x1e8c, 1048577,
+	0x1e8e, 1048577,
+	0x1e90, 1048577,
+	0x1e92, 1048577,
+	0x1e94, 1048577,
+	0x1e9e, 1040961,
+	0x1ea0, 1048577,
+	0x1ea2, 1048577,
+	0x1ea4, 1048577,
+	0x1ea6, 1048577,
+	0x1ea8, 1048577,
+	0x1eaa, 1048577,
+	0x1eac, 1048577,
+	0x1eae, 1048577,
+	0x1eb0, 1048577,
+	0x1eb2, 1048577,
+	0x1eb4, 1048577,
+	0x1eb6, 1048577,
+	0x1eb8, 1048577,
+	0x1eba, 1048577,
+	0x1ebc, 1048577,
+	0x1ebe, 1048577,
+	0x1ec0, 1048577,
+	0x1ec2, 1048577,
+	0x1ec4, 1048577,
+	0x1ec6, 1048577,
+	0x1ec8, 1048577,
+	0x1eca, 1048577,
+	0x1ecc, 1048577,
+	0x1ece, 1048577,
+	0x1ed0, 1048577,
+	0x1ed2, 1048577,
+	0x1ed4, 1048577,
+	0x1ed6, 1048577,
+	0x1ed8, 1048577,
+	0x1eda, 1048577,
+	0x1edc, 1048577,
+	0x1ede, 1048577,
+	0x1ee0, 1048577,
+	0x1ee2, 1048577,
+	0x1ee4, 1048577,
+	0x1ee6, 1048577,
+	0x1ee8, 1048577,
+	0x1eea, 1048577,
+	0x1eec, 1048577,
+	0x1eee, 1048577,
+	0x1ef0, 1048577,
+	0x1ef2, 1048577,
+	0x1ef4, 1048577,
+	0x1ef6, 1048577,
+	0x1ef8, 1048577,
+	0x1efa, 1048577,
+	0x1efc, 1048577,
+	0x1efe, 1048577,
+	0x1f59, 1048568,
+	0x1f5b, 1048568,
+	0x1f5d, 1048568,
+	0x1f5f, 1048568,
+	0x1fbc, 1048567,
+	0x1fcc, 1048567,
+	0x1fec, 1048569,
+	0x1ffc, 1048567,
+	0x2126, 1041059,
+	0x212a, 1040193,
+	0x212b, 1040314,
+	0x2132, 1048604,
+	0x2183, 1048577,
+	0x2c60, 1048577,
+	0x2c62, 1037833,
+	0x2c63, 1044762,
+	0x2c64, 1037849,
+	0x2c67, 1048577,
+	0x2c69, 1048577,
+	0x2c6b, 1048577,
+	0x2c6d, 1037796,
+	0x2c6e, 1037827,
+	0x2c6f, 1037793,
+	0x2c70, 1037794,
+	0x2c72, 1048577,
+	0x2c75, 1048577,
+	0x2c80, 1048577,
+	0x2c82, 1048577,
+	0x2c84, 1048577,
+	0x2c86, 1048577,
+	0x2c88, 1048577,
+	0x2c8a, 1048577,
+	0x2c8c, 1048577,
+	0x2c8e, 1048577,
+	0x2c90, 1048577,
+	0x2c92, 1048577,
+	0x2c94, 1048577,
+	0x2c96, 1048577,
+	0x2c98, 1048577,
+	0x2c9a, 1048577,
+	0x2c9c, 1048577,
+	0x2c9e, 1048577,
+	0x2ca0, 1048577,
+	0x2ca2, 1048577,
+	0x2ca4, 1048577,
+	0x2ca6, 1048577,
+	0x2ca8, 1048577,
+	0x2caa, 1048577,
+	0x2cac, 1048577,
+	0x2cae, 1048577,
+	0x2cb0, 1048577,
+	0x2cb2, 1048577,
+	0x2cb4, 1048577,
+	0x2cb6, 1048577,
+	0x2cb8, 1048577,
+	0x2cba, 1048577,
+	0x2cbc, 1048577,
+	0x2cbe, 1048577,
+	0x2cc0, 1048577,
+	0x2cc2, 1048577,
+	0x2cc4, 1048577,
+	0x2cc6, 1048577,
+	0x2cc8, 1048577,
+	0x2cca, 1048577,
+	0x2ccc, 1048577,
+	0x2cce, 1048577,
+	0x2cd0, 1048577,
+	0x2cd2, 1048577,
+	0x2cd4, 1048577,
+	0x2cd6, 1048577,
+	0x2cd8, 1048577,
+	0x2cda, 1048577,
+	0x2cdc, 1048577,
+	0x2cde, 1048577,
+	0x2ce0, 1048577,
+	0x2ce2, 1048577,
+	0x2ceb, 1048577,
+	0x2ced, 1048577,
+	0x2cf2, 1048577,
+	0xa640, 1048577,
+	0xa642, 1048577,
+	0xa644, 1048577,
+	0xa646, 1048577,
+	0xa648, 1048577,
+	0xa64a, 1048577,
+	0xa64c, 1048577,
+	0xa64e, 1048577,
+	0xa650, 1048577,
+	0xa652, 1048577,
+	0xa654, 1048577,
+	0xa656, 1048577,
+	0xa658, 1048577,
+	0xa65a, 1048577,
+	0xa65c, 1048577,
+	0xa65e, 1048577,
+	0xa660, 1048577,
+	0xa662, 1048577,
+	0xa664, 1048577,
+	0xa666, 1048577,
+	0xa668, 1048577,
+	0xa66a, 1048577,
+	0xa66c, 1048577,
+	0xa680, 1048577,
+	0xa682, 1048577,
+	0xa684, 1048577,
+	0xa686, 1048577,
+	0xa688, 1048577,
+	0xa68a, 1048577,
+	0xa68c, 1048577,
+	0xa68e, 1048577,
+	0xa690, 1048577,
+	0xa692, 1048577,
+	0xa694, 1048577,
+	0xa696, 1048577,
+	0xa698, 1048577,
+	0xa69a, 1048577,
+	0xa722, 1048577,
+	0xa724, 1048577,
+	0xa726, 1048577,
+	0xa728, 1048577,
+	0xa72a, 1048577,
+	0xa72c, 1048577,
+	0xa72e, 1048577,
+	0xa732, 1048577,
+	0xa734, 1048577,
+	0xa736, 1048577,
+	0xa738, 1048577,
+	0xa73a, 1048577,
+	0xa73c, 1048577,
+	0xa73e, 1048577,
+	0xa740, 1048577,
+	0xa742, 1048577,
+	0xa744, 1048577,
+	0xa746, 1048577,
+	0xa748, 1048577,
+	0xa74a, 1048577,
+	0xa74c, 1048577,
+	0xa74e, 1048577,
+	0xa750, 1048577,
+	0xa752, 1048577,
+	0xa754, 1048577,
+	0xa756, 1048577,
+	0xa758, 1048577,
+	0xa75a, 1048577,
+	0xa75c, 1048577,
+	0xa75e, 1048577,
+	0xa760, 1048577,
+	0xa762, 1048577,
+	0xa764, 1048577,
+	0xa766, 1048577,
+	0xa768, 1048577,
+	0xa76a, 1048577,
+	0xa76c, 1048577,
+	0xa76e, 1048577,
+	0xa779, 1048577,
+	0xa77b, 1048577,
+	0xa77d, 1013244,
+	0xa77e, 1048577,
+	0xa780, 1048577,
+	0xa782, 1048577,
+	0xa784, 1048577,
+	0xa786, 1048577,
+	0xa78b, 1048577,
+	0xa78d, 1006296,
+	0xa790, 1048577,
+	0xa792, 1048577,
+	0xa796, 1048577,
+	0xa798, 1048577,
+	0xa79a, 1048577,
+	0xa79c, 1048577,
+	0xa79e, 1048577,
+	0xa7a0, 1048577,
+	0xa7a2, 1048577,
+	0xa7a4, 1048577,
+	0xa7a6, 1048577,
+	0xa7a8, 1048577,
+	0xa7aa, 1006268,
+	0xa7ab, 1006257,
+	0xa7ac, 1006261,
+	0xa7ad, 1006271,
+	0xa7b0, 1006318,
+	0xa7b1, 1006294,
+};
+
+uint32_t
+irc_uni_tolower(uint32_t c)
+{
+	const uint32_t *p;
+
+	p = search(c, tolowerr, nelem (tolowerr) / 3, 3);
+
+	if (p && c >= p[0] && c <= p[1])
+		return c + p[2] - 1048576;
+
+	p = search(c, tolowers, nelem (tolowers) / 2, 2);
+
+	if (p && c == p[0])
+		return c + p[1] - 1048576;
+
+	return c;
+}
+
+static const uint32_t totitler[] = {
+	0x0061, 0x007a, 1048544,
+	0x00e0, 0x00f6, 1048544,
+	0x00f8, 0x00fe, 1048544,
+	0x023f, 0x0240, 1059391,
+	0x0256, 0x0257, 1048371,
+	0x028a, 0x028b, 1048359,
+	0x037b, 0x037d, 1048706,
+	0x03ad, 0x03af, 1048539,
+	0x03b1, 0x03c1, 1048544,
+	0x03c3, 0x03cb, 1048544,
+	0x03cd, 0x03ce, 1048513,
+	0x0430, 0x044f, 1048544,
+	0x0450, 0x045f, 1048496,
+	0x0561, 0x0586, 1048528,
+	0x1f00, 0x1f07, 1048584,
+	0x1f10, 0x1f15, 1048584,
+	0x1f20, 0x1f27, 1048584,
+	0x1f30, 0x1f37, 1048584,
+	0x1f40, 0x1f45, 1048584,
+	0x1f60, 0x1f67, 1048584,
+	0x1f70, 0x1f71, 1048650,
+	0x1f72, 0x1f75, 1048662,
+	0x1f76, 0x1f77, 1048676,
+	0x1f78, 0x1f79, 1048704,
+	0x1f7a, 0x1f7b, 1048688,
+	0x1f7c, 0x1f7d, 1048702,
+	0x1f80, 0x1f87, 1048584,
+	0x1f90, 0x1f97, 1048584,
+	0x1fa0, 0x1fa7, 1048584,
+	0x1fb0, 0x1fb1, 1048584,
+	0x1fd0, 0x1fd1, 1048584,
+	0x1fe0, 0x1fe1, 1048584,
+	0x2170, 0x217f, 1048560,
+	0x24d0, 0x24e9, 1048550,
+	0x2c30, 0x2c5e, 1048528,
+	0x2d00, 0x2d25, 1041312,
+	0xff41, 0xff5a, 1048544,
+	0x10428, 0x1044f, 1048536,
+	0x118c0, 0x118df, 1048544,
+};
+
+static const uint32_t totitles[] = {
+	0x00b5, 1049319,
+	0x00ff, 1048697,
+	0x0101, 1048575,
+	0x0103, 1048575,
+	0x0105, 1048575,
+	0x0107, 1048575,
+	0x0109, 1048575,
+	0x010b, 1048575,
+	0x010d, 1048575,
+	0x010f, 1048575,
+	0x0111, 1048575,
+	0x0113, 1048575,
+	0x0115, 1048575,
+	0x0117, 1048575,
+	0x0119, 1048575,
+	0x011b, 1048575,
+	0x011d, 1048575,
+	0x011f, 1048575,
+	0x0121, 1048575,
+	0x0123, 1048575,
+	0x0125, 1048575,
+	0x0127, 1048575,
+	0x0129, 1048575,
+	0x012b, 1048575,
+	0x012d, 1048575,
+	0x012f, 1048575,
+	0x0131, 1048344,
+	0x0133, 1048575,
+	0x0135, 1048575,
+	0x0137, 1048575,
+	0x013a, 1048575,
+	0x013c, 1048575,
+	0x013e, 1048575,
+	0x0140, 1048575,
+	0x0142, 1048575,
+	0x0144, 1048575,
+	0x0146, 1048575,
+	0x0148, 1048575,
+	0x014b, 1048575,
+	0x014d, 1048575,
+	0x014f, 1048575,
+	0x0151, 1048575,
+	0x0153, 1048575,
+	0x0155, 1048575,
+	0x0157, 1048575,
+	0x0159, 1048575,
+	0x015b, 1048575,
+	0x015d, 1048575,
+	0x015f, 1048575,
+	0x0161, 1048575,
+	0x0163, 1048575,
+	0x0165, 1048575,
+	0x0167, 1048575,
+	0x0169, 1048575,
+	0x016b, 1048575,
+	0x016d, 1048575,
+	0x016f, 1048575,
+	0x0171, 1048575,
+	0x0173, 1048575,
+	0x0175, 1048575,
+	0x0177, 1048575,
+	0x017a, 1048575,
+	0x017c, 1048575,
+	0x017e, 1048575,
+	0x017f, 1048276,
+	0x0180, 1048771,
+	0x0183, 1048575,
+	0x0185, 1048575,
+	0x0188, 1048575,
+	0x018c, 1048575,
+	0x0192, 1048575,
+	0x0195, 1048673,
+	0x0199, 1048575,
+	0x019a, 1048739,
+	0x019e, 1048706,
+	0x01a1, 1048575,
+	0x01a3, 1048575,
+	0x01a5, 1048575,
+	0x01a8, 1048575,
+	0x01ad, 1048575,
+	0x01b0, 1048575,
+	0x01b4, 1048575,
+	0x01b6, 1048575,
+	0x01b9, 1048575,
+	0x01bd, 1048575,
+	0x01bf, 1048632,
+	0x01c4, 1048577,
+	0x01c6, 1048575,
+	0x01c7, 1048577,
+	0x01c9, 1048575,
+	0x01ca, 1048577,
+	0x01cc, 1048575,
+	0x01ce, 1048575,
+	0x01d0, 1048575,
+	0x01d2, 1048575,
+	0x01d4, 1048575,
+	0x01d6, 1048575,
+	0x01d8, 1048575,
+	0x01da, 1048575,
+	0x01dc, 1048575,
+	0x01dd, 1048497,
+	0x01df, 1048575,
+	0x01e1, 1048575,
+	0x01e3, 1048575,
+	0x01e5, 1048575,
+	0x01e7, 1048575,
+	0x01e9, 1048575,
+	0x01eb, 1048575,
+	0x01ed, 1048575,
+	0x01ef, 1048575,
+	0x01f1, 1048577,
+	0x01f3, 1048575,
+	0x01f5, 1048575,
+	0x01f9, 1048575,
+	0x01fb, 1048575,
+	0x01fd, 1048575,
+	0x01ff, 1048575,
+	0x0201, 1048575,
+	0x0203, 1048575,
+	0x0205, 1048575,
+	0x0207, 1048575,
+	0x0209, 1048575,
+	0x020b, 1048575,
+	0x020d, 1048575,
+	0x020f, 1048575,
+	0x0211, 1048575,
+	0x0213, 1048575,
+	0x0215, 1048575,
+	0x0217, 1048575,
+	0x0219, 1048575,
+	0x021b, 1048575,
+	0x021d, 1048575,
+	0x021f, 1048575,
+	0x0223, 1048575,
+	0x0225, 1048575,
+	0x0227, 1048575,
+	0x0229, 1048575,
+	0x022b, 1048575,
+	0x022d, 1048575,
+	0x022f, 1048575,
+	0x0231, 1048575,
+	0x0233, 1048575,
+	0x023c, 1048575,
+	0x0242, 1048575,
+	0x0247, 1048575,
+	0x0249, 1048575,
+	0x024b, 1048575,
+	0x024d, 1048575,
+	0x024f, 1048575,
+	0x0250, 1059359,
+	0x0251, 1059356,
+	0x0252, 1059358,
+	0x0253, 1048366,
+	0x0254, 1048370,
+	0x0259, 1048374,
+	0x025b, 1048373,
+	0x025c, 1090895,
+	0x0260, 1048371,
+	0x0261, 1090891,
+	0x0263, 1048369,
+	0x0265, 1090856,
+	0x0266, 1090884,
+	0x0268, 1048367,
+	0x0269, 1048365,
+	0x026b, 1059319,
+	0x026c, 1090881,
+	0x026f, 1048365,
+	0x0271, 1059325,
+	0x0272, 1048363,
+	0x0275, 1048362,
+	0x027d, 1059303,
+	0x0280, 1048358,
+	0x0283, 1048358,
+	0x0287, 1090858,
+	0x0288, 1048358,
+	0x0289, 1048507,
+	0x028c, 1048505,
+	0x0292, 1048357,
+	0x029e, 1090834,
+	0x0345, 1048660,
+	0x0371, 1048575,
+	0x0373, 1048575,
+	0x0377, 1048575,
+	0x03ac, 1048538,
+	0x03c2, 1048545,
+	0x03cc, 1048512,
+	0x03d0, 1048514,
+	0x03d1, 1048519,
+	0x03d5, 1048529,
+	0x03d6, 1048522,
+	0x03d7, 1048568,
+	0x03d9, 1048575,
+	0x03db, 1048575,
+	0x03dd, 1048575,
+	0x03df, 1048575,
+	0x03e1, 1048575,
+	0x03e3, 1048575,
+	0x03e5, 1048575,
+	0x03e7, 1048575,
+	0x03e9, 1048575,
+	0x03eb, 1048575,
+	0x03ed, 1048575,
+	0x03ef, 1048575,
+	0x03f0, 1048490,
+	0x03f1, 1048496,
+	0x03f2, 1048583,
+	0x03f3, 1048460,
+	0x03f5, 1048480,
+	0x03f8, 1048575,
+	0x03fb, 1048575,
+	0x0461, 1048575,
+	0x0463, 1048575,
+	0x0465, 1048575,
+	0x0467, 1048575,
+	0x0469, 1048575,
+	0x046b, 1048575,
+	0x046d, 1048575,
+	0x046f, 1048575,
+	0x0471, 1048575,
+	0x0473, 1048575,
+	0x0475, 1048575,
+	0x0477, 1048575,
+	0x0479, 1048575,
+	0x047b, 1048575,
+	0x047d, 1048575,
+	0x047f, 1048575,
+	0x0481, 1048575,
+	0x048b, 1048575,
+	0x048d, 1048575,
+	0x048f, 1048575,
+	0x0491, 1048575,
+	0x0493, 1048575,
+	0x0495, 1048575,
+	0x0497, 1048575,
+	0x0499, 1048575,
+	0x049b, 1048575,
+	0x049d, 1048575,
+	0x049f, 1048575,
+	0x04a1, 1048575,
+	0x04a3, 1048575,
+	0x04a5, 1048575,
+	0x04a7, 1048575,
+	0x04a9, 1048575,
+	0x04ab, 1048575,
+	0x04ad, 1048575,
+	0x04af, 1048575,
+	0x04b1, 1048575,
+	0x04b3, 1048575,
+	0x04b5, 1048575,
+	0x04b7, 1048575,
+	0x04b9, 1048575,
+	0x04bb, 1048575,
+	0x04bd, 1048575,
+	0x04bf, 1048575,
+	0x04c2, 1048575,
+	0x04c4, 1048575,
+	0x04c6, 1048575,
+	0x04c8, 1048575,
+	0x04ca, 1048575,
+	0x04cc, 1048575,
+	0x04ce, 1048575,
+	0x04cf, 1048561,
+	0x04d1, 1048575,
+	0x04d3, 1048575,
+	0x04d5, 1048575,
+	0x04d7, 1048575,
+	0x04d9, 1048575,
+	0x04db, 1048575,
+	0x04dd, 1048575,
+	0x04df, 1048575,
+	0x04e1, 1048575,
+	0x04e3, 1048575,
+	0x04e5, 1048575,
+	0x04e7, 1048575,
+	0x04e9, 1048575,
+	0x04eb, 1048575,
+	0x04ed, 1048575,
+	0x04ef, 1048575,
+	0x04f1, 1048575,
+	0x04f3, 1048575,
+	0x04f5, 1048575,
+	0x04f7, 1048575,
+	0x04f9, 1048575,
+	0x04fb, 1048575,
+	0x04fd, 1048575,
+	0x04ff, 1048575,
+	0x0501, 1048575,
+	0x0503, 1048575,
+	0x0505, 1048575,
+	0x0507, 1048575,
+	0x0509, 1048575,
+	0x050b, 1048575,
+	0x050d, 1048575,
+	0x050f, 1048575,
+	0x0511, 1048575,
+	0x0513, 1048575,
+	0x0515, 1048575,
+	0x0517, 1048575,
+	0x0519, 1048575,
+	0x051b, 1048575,
+	0x051d, 1048575,
+	0x051f, 1048575,
+	0x0521, 1048575,
+	0x0523, 1048575,
+	0x0525, 1048575,
+	0x0527, 1048575,
+	0x0529, 1048575,
+	0x052b, 1048575,
+	0x052d, 1048575,
+	0x052f, 1048575,
+	0x1d79, 1083908,
+	0x1d7d, 1052390,
+	0x1e01, 1048575,
+	0x1e03, 1048575,
+	0x1e05, 1048575,
+	0x1e07, 1048575,
+	0x1e09, 1048575,
+	0x1e0b, 1048575,
+	0x1e0d, 1048575,
+	0x1e0f, 1048575,
+	0x1e11, 1048575,
+	0x1e13, 1048575,
+	0x1e15, 1048575,
+	0x1e17, 1048575,
+	0x1e19, 1048575,
+	0x1e1b, 1048575,
+	0x1e1d, 1048575,
+	0x1e1f, 1048575,
+	0x1e21, 1048575,
+	0x1e23, 1048575,
+	0x1e25, 1048575,
+	0x1e27, 1048575,
+	0x1e29, 1048575,
+	0x1e2b, 1048575,
+	0x1e2d, 1048575,
+	0x1e2f, 1048575,
+	0x1e31, 1048575,
+	0x1e33, 1048575,
+	0x1e35, 1048575,
+	0x1e37, 1048575,
+	0x1e39, 1048575,
+	0x1e3b, 1048575,
+	0x1e3d, 1048575,
+	0x1e3f, 1048575,
+	0x1e41, 1048575,
+	0x1e43, 1048575,
+	0x1e45, 1048575,
+	0x1e47, 1048575,
+	0x1e49, 1048575,
+	0x1e4b, 1048575,
+	0x1e4d, 1048575,
+	0x1e4f, 1048575,
+	0x1e51, 1048575,
+	0x1e53, 1048575,
+	0x1e55, 1048575,
+	0x1e57, 1048575,
+	0x1e59, 1048575,
+	0x1e5b, 1048575,
+	0x1e5d, 1048575,
+	0x1e5f, 1048575,
+	0x1e61, 1048575,
+	0x1e63, 1048575,
+	0x1e65, 1048575,
+	0x1e67, 1048575,
+	0x1e69, 1048575,
+	0x1e6b, 1048575,
+	0x1e6d, 1048575,
+	0x1e6f, 1048575,
+	0x1e71, 1048575,
+	0x1e73, 1048575,
+	0x1e75, 1048575,
+	0x1e77, 1048575,
+	0x1e79, 1048575,
+	0x1e7b, 1048575,
+	0x1e7d, 1048575,
+	0x1e7f, 1048575,
+	0x1e81, 1048575,
+	0x1e83, 1048575,
+	0x1e85, 1048575,
+	0x1e87, 1048575,
+	0x1e89, 1048575,
+	0x1e8b, 1048575,
+	0x1e8d, 1048575,
+	0x1e8f, 1048575,
+	0x1e91, 1048575,
+	0x1e93, 1048575,
+	0x1e95, 1048575,
+	0x1e9b, 1048517,
+	0x1ea1, 1048575,
+	0x1ea3, 1048575,
+	0x1ea5, 1048575,
+	0x1ea7, 1048575,
+	0x1ea9, 1048575,
+	0x1eab, 1048575,
+	0x1ead, 1048575,
+	0x1eaf, 1048575,
+	0x1eb1, 1048575,
+	0x1eb3, 1048575,
+	0x1eb5, 1048575,
+	0x1eb7, 1048575,
+	0x1eb9, 1048575,
+	0x1ebb, 1048575,
+	0x1ebd, 1048575,
+	0x1ebf, 1048575,
+	0x1ec1, 1048575,
+	0x1ec3, 1048575,
+	0x1ec5, 1048575,
+	0x1ec7, 1048575,
+	0x1ec9, 1048575,
+	0x1ecb, 1048575,
+	0x1ecd, 1048575,
+	0x1ecf, 1048575,
+	0x1ed1, 1048575,
+	0x1ed3, 1048575,
+	0x1ed5, 1048575,
+	0x1ed7, 1048575,
+	0x1ed9, 1048575,
+	0x1edb, 1048575,
+	0x1edd, 1048575,
+	0x1edf, 1048575,
+	0x1ee1, 1048575,
+	0x1ee3, 1048575,
+	0x1ee5, 1048575,
+	0x1ee7, 1048575,
+	0x1ee9, 1048575,
+	0x1eeb, 1048575,
+	0x1eed, 1048575,
+	0x1eef, 1048575,
+	0x1ef1, 1048575,
+	0x1ef3, 1048575,
+	0x1ef5, 1048575,
+	0x1ef7, 1048575,
+	0x1ef9, 1048575,
+	0x1efb, 1048575,
+	0x1efd, 1048575,
+	0x1eff, 1048575,
+	0x1f51, 1048584,
+	0x1f53, 1048584,
+	0x1f55, 1048584,
+	0x1f57, 1048584,
+	0x1fb3, 1048585,
+	0x1fbe, 1041371,
+	0x1fc3, 1048585,
+	0x1fe5, 1048583,
+	0x1ff3, 1048585,
+	0x214e, 1048548,
+	0x2184, 1048575,
+	0x2c61, 1048575,
+	0x2c65, 1037781,
+	0x2c66, 1037784,
+	0x2c68, 1048575,
+	0x2c6a, 1048575,
+	0x2c6c, 1048575,
+	0x2c73, 1048575,
+	0x2c76, 1048575,
+	0x2c81, 1048575,
+	0x2c83, 1048575,
+	0x2c85, 1048575,
+	0x2c87, 1048575,
+	0x2c89, 1048575,
+	0x2c8b, 1048575,
+	0x2c8d, 1048575,
+	0x2c8f, 1048575,
+	0x2c91, 1048575,
+	0x2c93, 1048575,
+	0x2c95, 1048575,
+	0x2c97, 1048575,
+	0x2c99, 1048575,
+	0x2c9b, 1048575,
+	0x2c9d, 1048575,
+	0x2c9f, 1048575,
+	0x2ca1, 1048575,
+	0x2ca3, 1048575,
+	0x2ca5, 1048575,
+	0x2ca7, 1048575,
+	0x2ca9, 1048575,
+	0x2cab, 1048575,
+	0x2cad, 1048575,
+	0x2caf, 1048575,
+	0x2cb1, 1048575,
+	0x2cb3, 1048575,
+	0x2cb5, 1048575,
+	0x2cb7, 1048575,
+	0x2cb9, 1048575,
+	0x2cbb, 1048575,
+	0x2cbd, 1048575,
+	0x2cbf, 1048575,
+	0x2cc1, 1048575,
+	0x2cc3, 1048575,
+	0x2cc5, 1048575,
+	0x2cc7, 1048575,
+	0x2cc9, 1048575,
+	0x2ccb, 1048575,
+	0x2ccd, 1048575,
+	0x2ccf, 1048575,
+	0x2cd1, 1048575,
+	0x2cd3, 1048575,
+	0x2cd5, 1048575,
+	0x2cd7, 1048575,
+	0x2cd9, 1048575,
+	0x2cdb, 1048575,
+	0x2cdd, 1048575,
+	0x2cdf, 1048575,
+	0x2ce1, 1048575,
+	0x2ce3, 1048575,
+	0x2cec, 1048575,
+	0x2cee, 1048575,
+	0x2cf3, 1048575,
+	0x2d27, 1041312,
+	0x2d2d, 1041312,
+	0xa641, 1048575,
+	0xa643, 1048575,
+	0xa645, 1048575,
+	0xa647, 1048575,
+	0xa649, 1048575,
+	0xa64b, 1048575,
+	0xa64d, 1048575,
+	0xa64f, 1048575,
+	0xa651, 1048575,
+	0xa653, 1048575,
+	0xa655, 1048575,
+	0xa657, 1048575,
+	0xa659, 1048575,
+	0xa65b, 1048575,
+	0xa65d, 1048575,
+	0xa65f, 1048575,
+	0xa661, 1048575,
+	0xa663, 1048575,
+	0xa665, 1048575,
+	0xa667, 1048575,
+	0xa669, 1048575,
+	0xa66b, 1048575,
+	0xa66d, 1048575,
+	0xa681, 1048575,
+	0xa683, 1048575,
+	0xa685, 1048575,
+	0xa687, 1048575,
+	0xa689, 1048575,
+	0xa68b, 1048575,
+	0xa68d, 1048575,
+	0xa68f, 1048575,
+	0xa691, 1048575,
+	0xa693, 1048575,
+	0xa695, 1048575,
+	0xa697, 1048575,
+	0xa699, 1048575,
+	0xa69b, 1048575,
+	0xa723, 1048575,
+	0xa725, 1048575,
+	0xa727, 1048575,
+	0xa729, 1048575,
+	0xa72b, 1048575,
+	0xa72d, 1048575,
+	0xa72f, 1048575,
+	0xa733, 1048575,
+	0xa735, 1048575,
+	0xa737, 1048575,
+	0xa739, 1048575,
+	0xa73b, 1048575,
+	0xa73d, 1048575,
+	0xa73f, 1048575,
+	0xa741, 1048575,
+	0xa743, 1048575,
+	0xa745, 1048575,
+	0xa747, 1048575,
+	0xa749, 1048575,
+	0xa74b, 1048575,
+	0xa74d, 1048575,
+	0xa74f, 1048575,
+	0xa751, 1048575,
+	0xa753, 1048575,
+	0xa755, 1048575,
+	0xa757, 1048575,
+	0xa759, 1048575,
+	0xa75b, 1048575,
+	0xa75d, 1048575,
+	0xa75f, 1048575,
+	0xa761, 1048575,
+	0xa763, 1048575,
+	0xa765, 1048575,
+	0xa767, 1048575,
+	0xa769, 1048575,
+	0xa76b, 1048575,
+	0xa76d, 1048575,
+	0xa76f, 1048575,
+	0xa77a, 1048575,
+	0xa77c, 1048575,
+	0xa77f, 1048575,
+	0xa781, 1048575,
+	0xa783, 1048575,
+	0xa785, 1048575,
+	0xa787, 1048575,
+	0xa78c, 1048575,
+	0xa791, 1048575,
+	0xa793, 1048575,
+	0xa797, 1048575,
+	0xa799, 1048575,
+	0xa79b, 1048575,
+	0xa79d, 1048575,
+	0xa79f, 1048575,
+	0xa7a1, 1048575,
+	0xa7a3, 1048575,
+	0xa7a5, 1048575,
+	0xa7a7, 1048575,
+	0xa7a9, 1048575,
+};
+
+uint32_t
+irc_uni_totitle(uint32_t c)
+{
+	const uint32_t *p;
+
+	p = search(c, totitler, nelem (totitler) / 3, 3);
+
+	if (p && c >= p[0] && c <= p[1])
+		return c + p[2] - 1048576;
+
+	p = search(c, totitles, nelem (totitles) / 2, 2);
+
+	if (p && c == p[0])
+		return c + p[1] - 1048576;
+
+	return c;
+}
+
+size_t
+irc_uni8_encode(uint8_t dst[], size_t dstsz, uint32_t point)
+{
+	assert(dst);
+
+	size_t written;
+
+	switch ((written = irc_uni32_sizeof(point))) {
+	case 1:
+		if (dstsz < 1)
+			goto erange;
+
+		dst[0] = (uint8_t)point;
+		break;
+	case 2:
+		if (dstsz < 2)
+			goto erange;
+
+		dst[0] = 0xC0 | ((point >> 6)  & 0x1F);
+		dst[1] = 0x80 | (point & 0x3F);
+		break;
+	case 3:
+		if (dstsz < 3)
+			goto erange;
+
+		dst[0] = 0xE0 | ((point >> 12) & 0xF );
+		dst[1] = 0x80 | ((point >> 6)  & 0x3F);
+		dst[2] = 0x80 | (point & 0x3F);
+		break;
+	case 4:
+		if (dstsz < 4)
+			goto erange;
+
+		dst[0] = 0xF0 | ((point >> 18) & 0x7 );
+		dst[1] = 0x80 | ((point >> 12) & 0x3F);
+		dst[2] = 0x80 | ((point >> 6)  & 0x3F);
+		dst[3] = 0x80 | (point & 0x3F);
+		break;
+	default:
+		break;
+	}
+
+	return written;
+
+erange:
+	errno = ERANGE;
+
+	return -1;
+}
+
+size_t
+irc_uni8_decode(const uint8_t src[], uint32_t *point)
+{
+	assert(src);
+	assert(point);
+
+	size_t parsed;
+
+	switch ((parsed = irc_uni8_sizeof(*src))) {
+	case 1:
+		*point = src[0];
+		break;
+	case 2:
+		if (!src[1])
+			goto eilseq;
+
+		*point =  (src[0] & 0x1f) << 6;
+		*point |= (src[1] & 0x3f);
+		break;
+	case 3:
+		if (!src[1] || !src[2])
+			goto eilseq;
+
+		*point =  (src[0] & 0x0f) << 12;
+		*point |= (src[1] & 0x3f) << 6;
+		*point |= (src[2] & 0x3f);
+		break;
+	case 4:
+		if (!src[1] || !src[2] || !src[3])
+			goto eilseq;
+
+		*point =  (src[0] & 0x07) << 16;
+		*point |= (src[1] & 0x3f) << 12;
+		*point |= (src[2] & 0x3f) << 6;
+		*point |= (src[3] & 0x3f);
+		break;
+	default:
+		break;
+	}
+
+	return parsed;
+
+eilseq:
+	errno = EILSEQ;
+
+	return -1;
+}
+
+size_t
+irc_uni8_sizeof(uint8_t c)
+{
+	if (c <= 127)
+		return 1;
+	if ((c & 0xE0) == 0xC0)
+		return 2;
+	if ((c & 0xF0) == 0xE0)
+		return 3;
+	if ((c & 0xF8) == 0xF0)
+		return 4;
+
+	errno = EILSEQ;
+	return -1;
+}
+
+size_t
+irc_uni8_length(const uint8_t src[])
+{
+	assert(src);
+
+	size_t total = 0, gap;
+
+	while (*src) {
+		if ((gap = irc_uni8_sizeof(*src)) == (size_t)-1)
+			return -1;
+
+		total += gap;
+		src += gap;
+	}
+
+	return total;
+}
+
+size_t
+irc_uni8_to32(const uint8_t src[], uint32_t dst[], size_t dstsz)
+{
+	assert(src);
+	assert(dst);
+
+	size_t nwritten = 0, gap;
+
+	for (; *src && dstsz; --dstsz) {
+		if ((gap = irc_uni8_decode(src, dst++)) == (size_t)-1)
+			return -1;
+
+		src += gap;
+		++nwritten;
+	}
+
+	/* No more space to store NUL. */
+	if (dstsz == 0) {
+		errno = ERANGE;
+		return -1;
+	}
+
+	*dst = 0;
+
+	return nwritten;
+}
+
+size_t
+irc_uni32_sizeof(uint32_t c)
+{
+	if (c <= 0x7F)
+		return 1;
+	if (c <= 0x7FF)
+		return 2;
+	if (c <= 0xFFFF)
+		return 3;
+	if (c <= 0x1FFFFF)
+		return 4;
+
+	errno = EILSEQ;
+	return -1;
+}
+
+size_t
+irc_uni32_length(const uint32_t src[])
+{
+	assert(src);
+
+	size_t total = 0;
+
+	while (*src++)
+		total++;
+
+	return total;
+}
+
+size_t
+irc_uni32_requires(const uint32_t src[])
+{
+	assert(src);
+
+	size_t total = 0, gap;
+
+	while (*src) {
+		if ((gap = irc_uni32_sizeof(*src++)) == (size_t)-1)
+			return -1;
+		if (gap >= SIZE_MAX - total) {
+			errno = ERANGE;
+			return -1;
+		}
+
+		total += gap;
+	}
+
+	return total;
+}
+
+size_t
+irc_uni32_to8(const uint32_t src[], uint8_t dst[], size_t dstsz)
+{
+	assert(src);
+	assert(dst);
+
+	size_t nwritten = 0, gap;
+
+	while (*src && dstsz) {
+		if ((gap = irc_uni8_encode(dst, dstsz, *src++)) == (size_t)-1)
+			return -1;
+
+		dst += gap;
+		dstsz -= gap;
+		nwritten += gap;
+	}
+
+	if (dstsz == 0) {
+		errno = ERANGE;
+		return -1;
+	}
+
+	*dst = 0;
+
+	return nwritten;
+}