--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/directory.c	Wed May 23 21:29:16 2012 +0200
@@ -0,0 +1,144 @@
+/*
+ * directory.c -- portable way to open directories
+ *
+ * Copyright (c) 2011, 2012 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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "directory.h"
+
+#if defined(_WIN32)	/* WINDOWS */
+
+struct directory *
+directory_open(const char *path)
+{
+	WIN32_FIND_DATA fdata;
+	HANDLE h;
+	struct directory *res;
+	char respath[FILENAME_MAX + 1];
+
+	if (!(res = calloc(1, sizeof (struct directory))))
+		return NULL;
+
+	snprintf(respath, sizeof (respath), "%s/*", path);
+
+	if ((h = FindFirstFile(respath, &fdata)) == INVALID_HANDLE_VALUE) {
+		free(res);
+		return NULL;
+	}
+
+	do {
+		res->ents = realloc(res->ents,
+			        sizeof (*res->ents) * (res->nents + 1));
+
+		/* Fail to reallocate */
+		if (!res->ents) {
+			free(res);
+			res = NULL;
+			break;
+		}
+
+		res->ents[res->nents].name	= strdup(fdata.cFileName);
+		res->ents[res->nents].type	= fdata.dwFileAttributes;
+		res->ents[res->nents++].length	= strlen(fdata.cFileName);
+	} while (FindNextFile(h, &fdata) != 0);
+
+	return res;
+}
+
+const char *
+directory_error(void)
+{
+	static char msg[1024];
+	DWORD num;
+
+	num = GetLastError();
+
+	FormatMessage(
+	    FORMAT_MESSAGE_FROM_SYSTEM |
+	    FORMAT_MESSAGE_IGNORE_INSERTS,
+	    NULL,
+	    num,
+	    MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+	    msg,
+	    sizeof (msg),
+	    NULL
+	);
+
+	return msg;
+}
+
+#else			/* UNIX */
+
+#  include <errno.h>
+
+struct directory *
+directory_open(const char *path)
+{
+	DIR *dp;
+	struct dirent *ent;
+	struct directory *res;
+
+	if (!(res = calloc(1, sizeof (struct directory))))
+		return NULL;
+
+	if (!(dp = opendir(path))) {
+		free(res);
+		return NULL;
+	}
+
+	while ((ent = readdir(dp))) {
+		res->ents = realloc(res->ents,
+			        sizeof (*res->ents) * (res->nents + 1));
+
+		/* Fail to reallocate */
+		if (!res->ents) {
+			free(res);
+			res = NULL;
+			break;
+		}
+
+		res->ents[res->nents].name	= strdup(ent->d_name);
+		res->ents[res->nents].type	= ent->d_type;
+		res->ents[res->nents++].length	= ent->d_namlen;
+	}
+
+	(void)closedir(dp);
+
+	return res;
+}
+
+const char *
+directory_error(void)
+{
+	return strerror(errno);
+}
+
+#endif
+
+void
+directory_free(struct directory *dir)
+{
+	int i;
+
+	for (i = 0; i < dir->nents; ++i)
+		free(dir->ents[i].name);
+
+	free(dir->ents);
+	free(dir);
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/directory.h	Wed May 23 21:29:16 2012 +0200
@@ -0,0 +1,61 @@
+/*
+ * directory.h -- portable way to open directories
+ *
+ * Copyright (c) 2011, 2012 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 _DIRECTORY_H_
+#define _DIRECTORY_H_
+
+struct directory {
+	int		nents;		/* number of entries */
+
+	struct {
+		char	*name;		/* entry name */
+		int	length;		/* length of entry */
+		int	type;		/* type of entry */
+	} *ents;
+};
+
+#if defined(_WIN32)
+
+#  include <windows.h>
+
+enum {
+	DIRECTORY_DIR	= FILE_ATTRIBUTE_DIRECTORY,
+	DIRECTORY_FILE	= FILE_ATTRIBUTE_NORMAL
+};
+
+#else
+
+#  include <dirent.h>
+
+enum {
+	DIRECTORY_DIR	= DT_DIR,
+	DIRECTORY_FILE	= DT_REG
+};
+
+#endif
+
+struct directory *
+directory_open(const char *);
+
+const char *
+directory_error(void);
+
+void
+directory_free(struct directory *);
+
+#endif /* _DIRECTORY_H_ */