Mercurial > libbuf

changeset 23:b7690784cd17 0.3.0

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misc: update before 0.3.0
author David Demelier <markand@malikania.fr>
date Thu, 16 Sep 2021 13:56:31 +0200
parents d87e84936795
children dddf94a30fa1
files CHANGES.md INSTALL.md Makefile README.md buf-clear.c buf-dup.c buf-erase.c buf-finish.c buf-init.c buf-int.h buf-printf.c buf-putc.c buf-puts.c buf-reserve.c buf-resize.c buf-shrink.c buf-sub.c buf-vprintf.c buf.c buf.h
diffstat 20 files changed, 251 insertions(+), 581 deletions(-) [+]
line wrap: on
line diff
--- a/CHANGES.md	Wed Feb 24 11:43:50 2021 +0100
+++ b/CHANGES.md	Thu Sep 16 13:56:31 2021 +0200
@@ -1,11 +1,12 @@
 libbuf CHANGES
 ==============
 
-libbuf 0.3.0 2021-02-24
+libbuf 0.3.0 2021-09-16
 -----------------------
 
 - Switch to `int` rather than bool (and return -1 in case of failures) as they
   are less optimized.
+- Finally merge all C files into buf.c for convenience.
 
 libbuf 0.2.0 2020-12-16
 -----------------------
--- a/INSTALL.md	Wed Feb 24 11:43:50 2021 +0100
+++ b/INSTALL.md	Thu Sep 16 13:56:31 2021 +0200
@@ -13,13 +13,17 @@
 Basic installation
 ------------------
 
-Quick install.
+### Embedded
 
-	$ tar xvzf libbuf-x.y.z-tar.xz
-	$ cd libbuf-x.y.z
+Copy buf.c and buf.h files into your projects.
+
+### System wide (not recommended)
+
 	$ make
 	# sudo make install
 
+### Other targets
+
 Alternatively, you can use the following targets as well.
 
 - `make test`: run test suite.
--- a/Makefile	Wed Feb 24 11:43:50 2021 +0100
+++ b/Makefile	Thu Sep 16 13:56:31 2021 +0200
@@ -30,22 +30,9 @@
 LIBDIR=         ${PREFIX}/lib
 MANDIR=         ${PREFIX}/share/man
 
-VERSION=        0.2.0
+VERSION=        0.3.0
 
-SRCS=           buf-clear.c \
-                buf-dup.c \
-                buf-erase.c \
-                buf-finish.c \
-                buf-init.c \
-                buf-printf.c \
-                buf-putc.c \
-                buf-puts.c \
-                buf-reserve.c \
-                buf-resize.c \
-                buf-shrink.c \
-                buf-sub.c \
-                buf-vprintf.c \
-                buf.c
+SRCS=           buf.c
 OBJS=           ${SRCS:.c=.o}
 
 MAN=            buf_clear.3 \
@@ -93,7 +80,7 @@
 	rm -rf libbuf-${VERSION}
 	mkdir libbuf-${VERSION}
 	cp -R test extern libbuf-${VERSION}
-	cp ${SRCS} buf.h buf-int.h libbuf-${VERSION}
+	cp ${SRCS} buf.h libbuf-${VERSION}
 	cp ${MAN} libbuf-${VERSION}
 	cp INSTALL.md LICENSE.md README.md Makefile libbuf-${VERSION}
 	tar -cjf libbuf-${VERSION}.tar.xz libbuf-${VERSION}
--- a/README.md	Wed Feb 24 11:43:50 2021 +0100
+++ b/README.md	Thu Sep 16 13:56:31 2021 +0200
@@ -47,11 +47,6 @@
 process. This library can be bundled in your project by just copying all .c
 files and .h files without any modification.
 
-### Why every function is defined in its own file?
-
-Because it improves static linking as only symbols you need are bundled into
-your final executable.
-
 ### Why not using `open_memstream`?
 
 It's a POSIX function that is not available on every operating system, but if
--- a/buf-clear.c	Wed Feb 24 11:43:50 2021 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,30 +0,0 @@
-/*
- * buf-clear.c -- simple string buffer for C
- *
- * Copyright (c) 2019-2021 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 "buf.h"
-
-void
-buf_clear(struct buf *b)
-{
-	assert(b);
-
-	if (b->data)
-		b->data[b->length = 0] = 0;
-}
--- a/buf-dup.c	Wed Feb 24 11:43:50 2021 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,41 +0,0 @@
-/*
- * buf-dup.c -- simple string buffer for C
- *
- * Copyright (c) 2019-2021 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 <stdlib.h>
-#include <string.h>
-
-#include "buf.h"
-
-int
-buf_dup(struct buf *b, const struct buf *src)
-{
-	assert(b);
-	assert(src);
-
-	if (!src->data)
-		return 0;
-	if (!(b->data = BUF_MALLOC(src->length + 1)))
-		return -1;
-
-	strcpy(b->data, src->data);
-	b->capacity = src->length;
-	b->length = src->length;
-
-	return 0;
-}
--- a/buf-erase.c	Wed Feb 24 11:43:50 2021 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,38 +0,0 @@
-/*
- * buf-erase.c -- simple string buffer for C
- *
- * Copyright (c) 2019-2021 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 <string.h>
-
-#include "buf.h"
-
-void
-buf_erase(struct buf *b, size_t pos, size_t count)
-{
-	assert(b);
-	assert(pos <= b->length);
-
-	if (count > b->length - pos) {
-		/* Optimize whole erase at pos. */
-		b->data[pos] = 0;
-		b->length = pos;
-	} else {
-		memmove(&b->data[pos], &b->data[pos + count], b->length - count);
-		b->length -= count;
-	}
-}
--- a/buf-finish.c	Wed Feb 24 11:43:50 2021 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,32 +0,0 @@
-/*
- * buf-finish.c -- simple string buffer for C
- *
- * Copyright (c) 2019-2021 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 <stdlib.h>
-
-#include "buf.h"
-
-void
-buf_finish(struct buf *b)
-{
-	assert(b);
-
-	BUF_FREE(b->data);
-	b->data = NULL;
-	b->capacity = b->length = 0;
-}
--- a/buf-init.c	Wed Feb 24 11:43:50 2021 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,30 +0,0 @@
-/*
- * buf-init.c -- simple string buffer for C
- *
- * Copyright (c) 2019-2021 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 <string.h>
-
-#include "buf.h"
-
-void
-buf_init(struct buf *b)
-{
-	assert(b);
-
-	memset(b, 0, sizeof (*b));
-}
--- a/buf-int.h	Wed Feb 24 11:43:50 2021 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,30 +0,0 @@
-/*
- * buf-int.h -- simple string buffer for C
- *
- * Copyright (c) 2019-2021 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 <stddef.h>
-
-struct buf;
-
-int
-_buf_growdbl(struct buf *, size_t);
-
-int
-_buf_growmin(struct buf *, size_t);
-
-int
-_buf_grow(struct buf *, size_t);
--- a/buf-printf.c	Wed Feb 24 11:43:50 2021 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,37 +0,0 @@
-/*
- * buf-printf.c -- simple string buffer for C
- *
- * Copyright (c) 2019-2021 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 "buf.h"
-
-int
-buf_printf(struct buf *b, const char *fmt, ...)
-{
-	assert(b);
-	assert(fmt);
-
-	va_list ap;
-	int ret;
-
-	va_start(ap, fmt);
-	ret = buf_vprintf(b, fmt, ap);
-	va_end(ap);
-
-	return ret;
-}
--- a/buf-putc.c	Wed Feb 24 11:43:50 2021 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,36 +0,0 @@
-/*
- * buf-putc.c -- simple string buffer for C
- *
- * Copyright (c) 2019-2021 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 "buf.h"
-#include "buf-int.h"
-
-int
-buf_putc(struct buf *b, char c)
-{
-	assert(b);
-
-	if (_buf_grow(b, 1) < 0)
-		return -1;
-
-	b->data[b->length++] = c;
-	b->data[b->length] = 0;
-
-	return 0;
-}
--- a/buf-puts.c	Wed Feb 24 11:43:50 2021 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,40 +0,0 @@
-/*
- * buf-puts.c -- simple string buffer for C
- *
- * Copyright (c) 2019-2021 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 <string.h>
-
-#include "buf.h"
-#include "buf-int.h"
-
-int
-buf_puts(struct buf *b, const char *s)
-{
-	assert(b);
-	assert(s);
-
-	const size_t len = strlen(s);
-
-	if (_buf_grow(b, len) < 0)
-		return -1;
-
-	memcpy(&b->data[b->length], s, len + 1);
-	b->length += len;
-
-	return 0;
-}
--- a/buf-reserve.c	Wed Feb 24 11:43:50 2021 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,33 +0,0 @@
-/*
- * buf-reserve.c -- simple string buffer for C
- *
- * Copyright (c) 2019-2021 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 "buf.h"
-#include "buf-int.h"
-
-int
-buf_reserve(struct buf *b, size_t amount)
-{
-	assert(b);
-
-	if (_buf_grow(b, amount) < 0)
-		return -1;
-
-	return 0;
-}
--- a/buf-resize.c	Wed Feb 24 11:43:50 2021 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,45 +0,0 @@
-/*
- * buf-resize.c -- simple string buffer for C
- *
- * Copyright (c) 2019-2021 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 <string.h>
-
-#include "buf.h"
-#include "buf-int.h"
-
-int
-buf_resize(struct buf *b, size_t size, char ch)
-{
-	assert(b);
-
-	/* New size is smaller than curren't length, just update it. */
-	if (size < b->length) {
-		b->data[b->length = size] = 0;
-		return 0;
-	}
-
-	/* New size is bigger, data may be reallocated. */
-	if (_buf_grow(b, size - b->length) < 0)
-		return -1;
-
-	memset(&b->data[b->length], ch, size - b->length);
-	b->length = size;
-	b->data[b->length] = 0;
-
-	return 0;
-}
--- a/buf-shrink.c	Wed Feb 24 11:43:50 2021 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,45 +0,0 @@
-/*
- * buf-shrink.c -- simple string buffer for C
- *
- * Copyright (c) 2019-2021 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 <stdlib.h>
-
-#include "buf.h"
-
-int
-buf_shrink(struct buf *b)
-{
-	assert(b);
-
-	void *newptr;
-
-	if (b->length == 0) {
-		free(b->data);
-		b->data = NULL;
-		b->length = b->capacity = 0;
-		return 0;
-	}
-
-	if (!(newptr = BUF_REALLOC(b->data, b->length + 1)))
-		return -1;
-
-	b->data = newptr;
-	b->capacity = b->length;
-
-	return 0;
-}
--- a/buf-sub.c	Wed Feb 24 11:43:50 2021 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,43 +0,0 @@
-/*
- * buf-sub.c -- simple string buffer for C
- *
- * Copyright (c) 2019-2021 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 <stdlib.h>
-#include <string.h>
-
-#include "buf.h"
-
-int
-buf_sub(struct buf *b, const struct buf *src, size_t pos, size_t count)
-{
-	assert(b);
-	assert(src);
-	assert(pos <= src->length);
-
-	if (count >= src->length)
-		count = src->length - pos;
-	if (!(b->data = BUF_MALLOC(count + 1)))
-		return -1;
-
-	strncpy(b->data, &src->data[pos], count);
-	b->length = count;
-	b->capacity = count;
-	b->data[b->length] = 0;
-
-	return 0;
-}
--- a/buf-vprintf.c	Wed Feb 24 11:43:50 2021 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,56 +0,0 @@
-/*
- * buf-vprintf.c -- simple string buffer for C
- *
- * Copyright (c) 2019-2021 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 <stdio.h>
-
-#include "buf.h"
-#include "buf-int.h"
-
-int
-buf_vprintf(struct buf *b, const char *fmt, va_list args)
-{
-	assert(b);
-	assert(fmt);
-
-	va_list ap;
-	int amount;
-
-	/* Determine length. */
-	va_copy(ap, args);
-	amount = vsnprintf(NULL, 0, fmt, ap);
-	va_end(ap);
-
-	if (amount < 0)
-		return -1;
-
-	/* Do actual copy. */
-	if (_buf_grow(b, amount) < 0)
-		return -1;
-
-	va_copy(ap, args);
-	amount = vsprintf(&b->data[b->length], fmt, ap);
-	va_end(ap);
-
-	if (amount < 0)
-		return -1;
-
-	b->length += amount;
-
-	return 0;
-}
--- a/buf.c	Wed Feb 24 11:43:50 2021 +0100
+++ b/buf.c	Thu Sep 16 13:56:31 2021 +0200
@@ -20,6 +20,8 @@
 #include <errno.h>
 #include <stdint.h>
 #include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
 
 #include "buf.h"
 
@@ -30,8 +32,8 @@
  * Detects overflow and return -1 if happened or reallocation could not
  * occur.
  */
-int
-_buf_growdbl(struct buf *b, size_t desired)
+static int
+growdbl(struct buf *b, size_t desired)
 {
 	size_t newcap = b->capacity;
 	void *newptr;
@@ -77,8 +79,8 @@
  *
  * Returns -1 if allocation failed.
  */
-int
-_buf_growmin(struct buf *b, size_t desired)
+static int
+growmin(struct buf *b, size_t desired)
 {
 	size_t newcap;
 	void *newptr;
@@ -107,8 +109,8 @@
  * Entry point for reallocating data. Will try to allocate twice until we have
  * enough room and then only the minimal amount.
  */
-int
-_buf_grow(struct buf *b, size_t desired)
+static int
+grow(struct buf *b, size_t desired)
 {
 	const size_t avail = b->capacity - b->length;
 
@@ -120,8 +122,225 @@
 			return -1;
 
 		b->capacity = desired;
-	} else if (_buf_growdbl(b, desired) < 0 && _buf_growmin(b, desired) < 0)
+	} else if (growdbl(b, desired) < 0 && growmin(b, desired) < 0)
+		return -1;
+
+	return 0;
+}
+
+void
+buf_init(struct buf *b)
+{
+	assert(b);
+
+	memset(b, 0, sizeof (*b));
+}
+
+int
+buf_reserve(struct buf *b, size_t amount)
+{
+	assert(b);
+
+	if (grow(b, amount) < 0)
 		return -1;
 
 	return 0;
 }
+
+int
+buf_resize(struct buf *b, size_t size, char ch)
+{
+	assert(b);
+
+	/* New size is smaller than curren't length, just update it. */
+	if (size < b->length) {
+		b->data[b->length = size] = 0;
+		return 0;
+	}
+
+	/* New size is bigger, data may be reallocated. */
+	if (grow(b, size - b->length) < 0)
+		return -1;
+
+	memset(&b->data[b->length], ch, size - b->length);
+	b->length = size;
+	b->data[b->length] = 0;
+
+	return 0;
+}
+
+int
+buf_shrink(struct buf *b)
+{
+	assert(b);
+
+	void *newptr;
+
+	if (b->length == 0) {
+		free(b->data);
+		b->data = NULL;
+		b->length = b->capacity = 0;
+		return 0;
+	}
+
+	if (!(newptr = BUF_REALLOC(b->data, b->length + 1)))
+		return -1;
+
+	b->data = newptr;
+	b->capacity = b->length;
+
+	return 0;
+}
+
+void
+buf_erase(struct buf *b, size_t pos, size_t count)
+{
+	assert(b);
+	assert(pos <= b->length);
+
+	if (count > b->length - pos) {
+		/* Optimize whole erase at pos. */
+		b->data[pos] = 0;
+		b->length = pos;
+	} else {
+		memmove(&b->data[pos], &b->data[pos + count], b->length - count);
+		b->length -= count;
+	}
+}
+
+int
+buf_putc(struct buf *b, char c)
+{
+	assert(b);
+
+	if (grow(b, 1) < 0)
+		return -1;
+
+	b->data[b->length++] = c;
+	b->data[b->length] = 0;
+
+	return 0;
+}
+
+int
+buf_puts(struct buf *b, const char *s)
+{
+	assert(b);
+	assert(s);
+
+	const size_t len = strlen(s);
+
+	if (grow(b, len) < 0)
+		return -1;
+
+	memcpy(&b->data[b->length], s, len + 1);
+	b->length += len;
+
+	return 0;
+}
+
+int
+buf_printf(struct buf *b, const char *fmt, ...)
+{
+	assert(b);
+	assert(fmt);
+
+	va_list ap;
+	int ret;
+
+	va_start(ap, fmt);
+	ret = buf_vprintf(b, fmt, ap);
+	va_end(ap);
+
+	return ret;
+}
+
+int
+buf_vprintf(struct buf *b, const char *fmt, va_list args)
+{
+	assert(b);
+	assert(fmt);
+
+	va_list ap;
+	int amount;
+
+	/* Determine length. */
+	va_copy(ap, args);
+	amount = vsnprintf(NULL, 0, fmt, ap);
+	va_end(ap);
+
+	if (amount < 0)
+		return -1;
+
+	/* Do actual copy. */
+	if (grow(b, amount) < 0)
+		return -1;
+
+	va_copy(ap, args);
+	amount = vsprintf(&b->data[b->length], fmt, ap);
+	va_end(ap);
+
+	if (amount < 0)
+		return -1;
+
+	b->length += amount;
+
+	return 0;
+}
+
+int
+buf_sub(struct buf *b, const struct buf *src, size_t pos, size_t count)
+{
+	assert(b);
+	assert(src);
+	assert(pos <= src->length);
+
+	if (count >= src->length)
+		count = src->length - pos;
+	if (!(b->data = BUF_MALLOC(count + 1)))
+		return -1;
+
+	strncpy(b->data, &src->data[pos], count);
+	b->length = count;
+	b->capacity = count;
+	b->data[b->length] = 0;
+
+	return 0;
+}
+
+int
+buf_dup(struct buf *b, const struct buf *src)
+{
+	assert(b);
+	assert(src);
+
+	if (!src->data)
+		return 0;
+	if (!(b->data = BUF_MALLOC(src->length + 1)))
+		return -1;
+
+	memcpy(b->data, src->data, src->length + 1);
+	b->capacity = src->length;
+	b->length = src->length;
+
+	return 0;
+}
+
+void
+buf_clear(struct buf *b)
+{
+	assert(b);
+
+	if (b->data)
+		b->data[b->length = 0] = 0;
+}
+
+void
+buf_finish(struct buf *b)
+{
+	assert(b);
+
+	BUF_FREE(b->data);
+	b->data = NULL;
+	b->capacity = b->length = 0;
+}
--- a/buf.h	Wed Feb 24 11:43:50 2021 +0100
+++ b/buf.h	Thu Sep 16 13:56:31 2021 +0200
@@ -45,43 +45,43 @@
 };
 
 void
-buf_init(struct buf *b);
+buf_init(struct buf *);
 
 int
-buf_reserve(struct buf *b, size_t desired);
+buf_reserve(struct buf *, size_t);
 
 int
-buf_resize(struct buf *b, size_t size, char c);
+buf_resize(struct buf *, size_t, char);
 
 int
-buf_shrink(struct buf *b);
+buf_shrink(struct buf *);
 
 void
-buf_erase(struct buf *b, size_t pos, size_t count);
+buf_erase(struct buf *, size_t, size_t);
 
 int
-buf_putc(struct buf *b, char c);
+buf_putc(struct buf *, char);
 
 int
-buf_puts(struct buf *b, const char *s);
+buf_puts(struct buf *, const char *);
 
 int
-buf_printf(struct buf *b, const char *fmt, ...);
+buf_printf(struct buf *, const char *, ...);
 
 int
-buf_vprintf(struct buf *b, const char *fmt, va_list ap);
+buf_vprintf(struct buf *, const char *, va_list);
 
 int
-buf_sub(struct buf *b, const struct buf *src, size_t pos, size_t count);
+buf_sub(struct buf *, const struct buf *, size_t, size_t);
 
 int
-buf_dup(struct buf *b, const struct buf *src);
+buf_dup(struct buf *, const struct buf *);
 
 void
-buf_clear(struct buf *b);
+buf_clear(struct buf *);
 
 void
-buf_finish(struct buf *b);
+buf_finish(struct buf *);
 
 #if defined(__cplusplus)
 }