src/exclude.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 /*
  21  * The .mpdignore backend code.
  22  *
  23  */
  24
  25 #include "config.h"
  26 #include "exclude.h"
  27 #include "path.h"
  28
  29 #include <assert.h>
  30 #include <string.h>
  31 #include <stdio.h>
  32 #include <errno.h>
  33
  34 GSList *
  35 exclude_list_load(const char *path_fs)
  36 {
  37         FILE *file;
  38         char line[1024];
  39         GSList *list = NULL;
  40
  41         assert(path_fs != NULL);
  42
  43         file = fopen(path_fs, "r");
  44         if (file == NULL) {
  45                 if (errno != ENOENT) {
  46                         char *path_utf8 = fs_charset_to_utf8(path_fs);
  47                         g_debug("Failed to open %s: %s",
  48                                 path_utf8, g_strerror(errno));
  49                         g_free(path_utf8);
  50                 }
  51
  52                 return NULL;
  53         }
  54
  55         while (fgets(line, sizeof(line), file) != NULL) {
  56                 char *p = strchr(line, '#');
  57                 if (p != NULL)
  58                         *p = 0;
  59
  60                 p = g_strstrip(line);
  61                 if (*p != 0)
  62                         list = g_slist_prepend(list, g_pattern_spec_new(p));
  63         }
  64
  65         fclose(file);
  66
  67         return list;
  68 }
  69
  70 void
  71 exclude_list_free(GSList *list)
  72 {
  73         while (list != NULL) {
  74                 GPatternSpec *pattern = list->data;
  75                 g_pattern_spec_free(pattern);
  76                 list = g_slist_remove(list, list->data);
  77         }
  78 }
  79
  80 bool
  81 exclude_list_check(GSList *list, const char *name_fs)
  82 {
  83         assert(name_fs != NULL);
  84
  85         /* XXX include full path name in check */
  86
  87         for (; list != NULL; list = list->next) {
  88                 GPatternSpec *pattern = list->data;
  89
  90                 if (g_pattern_match_string(pattern, name_fs))
  91                         return true;
  92         }
  93
  94         return false;
  95 }