mpd/src/path.c
2009-01-03 14:52:56 +01:00

127 lines
2.9 KiB
C

/* the Music Player Daemon (MPD)
* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
* This project's homepage is: http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "path.h"
#include "conf.h"
#include "playlist.h"
#include <glib.h>
#include <string.h>
#undef G_LOG_DOMAIN
#define G_LOG_DOMAIN "path"
static char *fs_charset;
char *fs_charset_to_utf8(char *dst, const char *str)
{
gchar *p;
GError *error = NULL;
p = g_convert(str, -1,
"utf-8", fs_charset,
NULL, NULL, &error);
if (p == NULL) {
/* no fallback */
g_error_free(error);
return NULL;
}
g_strlcpy(dst, p, MPD_PATH_MAX);
g_free(p);
return dst;
}
char *utf8_to_fs_charset(char *dst, const char *str)
{
gchar *p;
GError *error = NULL;
p = g_convert(str, -1,
fs_charset, "utf-8",
NULL, NULL, &error);
if (p == NULL) {
/* fall back to UTF-8 */
g_error_free(error);
return strcpy(dst, str);
}
g_strlcpy(dst, p, MPD_PATH_MAX);
g_free(p);
return dst;
}
void path_set_fs_charset(const char *charset)
{
g_free(fs_charset);
fs_charset = g_strdup(charset);
g_debug("path_set_fs_charset: fs charset is: %s", fs_charset);
}
const char *path_get_fs_charset(void)
{
return fs_charset;
}
void path_global_init(void)
{
ConfigParam *fs_charset_param = getConfigParam(CONF_FS_CHARSET);
const char *charset = NULL;
if (fs_charset_param) {
charset = fs_charset_param->value;
} else {
const gchar **encodings;
g_get_filename_charsets(&encodings);
if (encodings[0] != NULL && *encodings[0] != '\0')
charset = encodings[0];
}
if (charset) {
path_set_fs_charset(charset);
} else {
g_message("setting filesystem charset to ISO-8859-1");
path_set_fs_charset("ISO-8859-1");
}
}
void path_global_finish(void)
{
g_free(fs_charset);
}
char *pfx_dir(char *dst,
const char *path, const size_t path_len,
const char *pfx, const size_t pfx_len)
{
if (G_UNLIKELY((pfx_len + path_len + 1) >= MPD_PATH_MAX))
g_error("Cannot prefix '%s' to '%s', PATH_MAX: %d",
pfx, path, MPD_PATH_MAX);
/* memmove allows dst == path */
memmove(dst + pfx_len + 1, path, path_len + 1);
memcpy(dst, pfx, pfx_len);
dst[pfx_len] = '/';
/* this is weird, but directory.c can use it more safely/efficiently */
return (dst + pfx_len + 1);
}