5b82ffc291
After we've been hit by Large File Support problems several times in the past week (which only occur on 32 bit platforms, which I don't have), this is yet another attempt to fix the issue.
168 lines
3.6 KiB
C
168 lines
3.6 KiB
C
/*
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* Copyright (C) 2003-2009 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "song_sticker.h"
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#include "song.h"
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#include "directory.h"
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#include "sticker.h"
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#include <glib.h>
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#include <assert.h>
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#include <string.h>
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char *
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sticker_song_get_value(const struct song *song, const char *name)
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{
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char *uri, *value;
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assert(song != NULL);
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assert(song_in_database(song));
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uri = song_get_uri(song);
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value = sticker_load_value("song", uri, name);
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g_free(uri);
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return value;
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}
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bool
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sticker_song_set_value(const struct song *song,
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const char *name, const char *value)
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{
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char *uri;
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bool ret;
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assert(song != NULL);
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assert(song_in_database(song));
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uri = song_get_uri(song);
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ret = sticker_store_value("song", uri, name, value);
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g_free(uri);
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return ret;
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}
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bool
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sticker_song_delete(const struct song *song)
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{
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char *uri;
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bool ret;
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assert(song != NULL);
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assert(song_in_database(song));
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uri = song_get_uri(song);
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ret = sticker_delete("song", uri);
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g_free(uri);
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return ret;
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}
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bool
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sticker_song_delete_value(const struct song *song, const char *name)
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{
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char *uri;
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bool success;
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assert(song != NULL);
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assert(song_in_database(song));
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uri = song_get_uri(song);
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success = sticker_delete_value("song", uri, name);
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g_free(uri);
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return success;
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}
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struct sticker *
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sticker_song_get(const struct song *song)
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{
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char *uri;
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struct sticker *sticker;
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assert(song != NULL);
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assert(song_in_database(song));
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uri = song_get_uri(song);
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sticker = sticker_load("song", uri);
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g_free(uri);
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return sticker;
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}
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struct sticker_song_find_data {
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struct directory *directory;
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const char *base_uri;
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size_t base_uri_length;
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void (*func)(struct song *song, const char *value,
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gpointer user_data);
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gpointer user_data;
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};
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static void
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sticker_song_find_cb(const char *uri, const char *value, gpointer user_data)
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{
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struct sticker_song_find_data *data = user_data;
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struct song *song;
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if (memcmp(uri, data->base_uri, data->base_uri_length) != 0)
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/* should not happen, ignore silently */
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return;
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song = directory_lookup_song(data->directory,
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uri + data->base_uri_length);
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if (song != NULL)
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data->func(song, value, data->user_data);
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}
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bool
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sticker_song_find(struct directory *directory, const char *name,
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void (*func)(struct song *song, const char *value,
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gpointer user_data),
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gpointer user_data)
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{
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struct sticker_song_find_data data = {
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.directory = directory,
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.func = func,
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.user_data = user_data,
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};
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char *allocated;
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bool success;
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data.base_uri = directory_get_path(directory);
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if (*data.base_uri != 0)
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/* append slash to base_uri */
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data.base_uri = allocated =
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g_strconcat(data.base_uri, "/", NULL);
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else
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/* searching in root directory - no trailing slash */
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allocated = NULL;
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data.base_uri_length = strlen(data.base_uri);
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success = sticker_find("song", data.base_uri, name,
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sticker_song_find_cb, &data);
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g_free(allocated);
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return success;
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}
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