src/path.c

   1 /*
   2  * Copyright (C) 2003-2010 The Music Player Daemon Project
   3  * http://www.musicpd.org
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19
  20 #include "config.h"
  21 #include "path.h"
  22 #include "conf.h"
  23
  24 #include <glib.h>
  25
  26 #include <assert.h>
  27 #include <string.h>
  28
  29 #undef G_LOG_DOMAIN
  30 #define G_LOG_DOMAIN "path"
  31
  32 static char *fs_charset;
  33
  34 char *
  35 fs_charset_to_utf8(const char *path_fs)
  36 {
  37         return g_convert(path_fs, -1,
  38                          "utf-8", fs_charset,
  39                          NULL, NULL, NULL);
  40 }
  41
  42 char *
  43 utf8_to_fs_charset(const char *path_utf8)
  44 {
  45         gchar *p;
  46
  47         p = g_convert(path_utf8, -1,
  48                       fs_charset, "utf-8",
  49                       NULL, NULL, NULL);
  50         if (p == NULL)
  51                 /* fall back to UTF-8 */
  52                 p = g_strdup(path_utf8);
  53
  54         return p;
  55 }
  56
  57 static void
  58 path_set_fs_charset(const char *charset)
  59 {
  60         char *test;
  61
  62         assert(charset != NULL);
  63
  64         /* convert a space to ensure that the charset is valid */
  65         test = g_convert(" ", 1, charset, "UTF-8", NULL, NULL, NULL);
  66         if (test == NULL)
  67                 g_error("invalid filesystem charset: %s", charset);
  68         g_free(test);
  69
  70         g_free(fs_charset);
  71         fs_charset = g_strdup(charset);
  72
  73         g_debug("path_set_fs_charset: fs charset is: %s", fs_charset);
  74 }
  75
  76 const char *path_get_fs_charset(void)
  77 {
  78         return fs_charset;
  79 }
  80
  81 void path_global_init(void)
  82 {
  83         const char *charset = NULL;
  84
  85         charset = config_get_string(CONF_FS_CHARSET, NULL);
  86         if (charset == NULL) {
  87                 const gchar **encodings;
  88                 g_get_filename_charsets(&encodings);
  89
  90                 if (encodings[0] != NULL && *encodings[0] != '\0')
  91                         charset = encodings[0];
  92         }
  93
  94         if (charset) {
  95                 path_set_fs_charset(charset);
  96         } else {
  97                 g_message("setting filesystem charset to ISO-8859-1");
  98                 path_set_fs_charset("ISO-8859-1");
  99         }
 100 }
 101
 102 void path_global_finish(void)
 103 {
 104         g_free(fs_charset);
 105 }