update: obey .mpdignore files

src/exclude.c

@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2003-2009 The Music Player Daemon Project
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/*
+ * The .mpdignore backend code.
+ *
+ */
+
+#include "exclude.h"
+#include "path.h"
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <errno.h>
+#include <fnmatch.h>
+
+GSList *
+exclude_list_load(const char *path_fs)
+{
+	FILE *file;
+	char line[1024];
+	GSList *list = NULL;
+
+	assert(path_fs != NULL);
+
+	file = fopen(path_fs, "r");
+	if (file == NULL) {
+		if (errno != ENOENT) {
+			char *path_utf8 = fs_charset_to_utf8(path_fs);
+			g_debug("Failed to open %s: %s",
+				path_utf8, g_strerror(errno));
+			g_free(path_utf8);
+		}
+
+		return NULL;
+	}
+
+	while (fgets(line, sizeof(line), file) != NULL) {
+		char *p = strchr(line, '#');
+		if (p != NULL)
+			*p = 0;
+
+		p = g_strstrip(line);
+		if (*p != 0)
+			list = g_slist_prepend(list, g_strdup(p));
+	}
+
+	fclose(file);
+
+	return list;
+}
+
+void
+exclude_list_free(GSList *list)
+{
+	while (list != NULL) {
+		g_free(list->data);
+		list = g_slist_remove(list, list->data);
+	}
+}
+
+bool
+exclude_list_check(GSList *list, const char *name_fs)
+{
+	assert(name_fs != NULL);
+
+	/* XXX include full path name in check */
+
+	for (; list != NULL; list = list->next) {
+		const char *pattern = list->data;
+
+		if (fnmatch(pattern, name_fs, FNM_PATHNAME|FNM_PERIOD) == 0)
+			return true;
+	}
+
+	return false;
+}