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-rw-r--r--src/command.c162
-rw-r--r--src/dbUtils.c4
-rw-r--r--src/playlist.c221
-rw-r--r--src/playlist.h48
4 files changed, 247 insertions, 188 deletions
diff --git a/src/command.c b/src/command.c
index 9015a3881..e9dc83ccb 100644
--- a/src/command.c
+++ b/src/command.c
@@ -220,6 +220,53 @@ static int mpd_fprintf__ check_int(int fd, int *dst,
return 0;
}
+static int print_playlist_result(int fd, enum playlist_result result)
+{
+ switch (result) {
+ case PLAYLIST_RESULT_SUCCESS:
+ return 0;
+
+ case PLAYLIST_RESULT_ERRNO:
+ commandError(fd, ACK_ERROR_SYSTEM, strerror(errno));
+ return -1;
+
+ case PLAYLIST_RESULT_NO_SUCH_SONG:
+ commandError(fd, ACK_ERROR_NO_EXIST, "No such song");
+ return -1;
+
+ case PLAYLIST_RESULT_NO_SUCH_LIST:
+ commandError(fd, ACK_ERROR_NO_EXIST, "No such playlist");
+ return -1;
+
+ case PLAYLIST_RESULT_LIST_EXISTS:
+ commandError(fd, ACK_ERROR_NO_EXIST,
+ "Playlist already exists");
+ return -1;
+
+ case PLAYLIST_RESULT_BAD_NAME:
+ commandError(fd, ACK_ERROR_ARG,
+ "playlist name is invalid: "
+ "playlist names may not contain slashes,"
+ " newlines or carriage returns");
+ return -1;
+
+ case PLAYLIST_RESULT_BAD_RANGE:
+ commandError(fd, ACK_ERROR_ARG, "Bad song index");
+ return -1;
+
+ case PLAYLIST_RESULT_NOT_PLAYING:
+ commandError(fd, ACK_ERROR_PLAYER_SYNC, "Not playing");
+ return -1;
+
+ case PLAYLIST_RESULT_TOO_LARGE:
+ commandError(fd, ACK_ERROR_PLAYLIST_MAX,
+ "playlist is at the max size");
+ return -1;
+ }
+
+ assert(0);
+}
+
static void addCommand(const char *name,
int reqPermission,
int minargs,
@@ -255,21 +302,25 @@ static int handlePlay(int fd, mpd_unused int *permission,
int argc, char *argv[])
{
int song = -1;
+ enum playlist_result result;
if (argc == 2 && check_int(fd, &song, argv[1], need_positive) < 0)
return -1;
- return playPlaylist(fd, song, 0);
+ result = playPlaylist(song, 0);
+ return print_playlist_result(fd, result);
}
static int handlePlayId(int fd, mpd_unused int *permission,
int argc, char *argv[])
{
int id = -1;
+ enum playlist_result result;
if (argc == 2 && check_int(fd, &id, argv[1], need_positive) < 0)
return -1;
- return playPlaylistById(fd, id, 0);
+ result = playPlaylistById(id, 0);
+ return print_playlist_result(fd, result);
}
static int handleStop(mpd_unused int fd, mpd_unused int *permission,
@@ -283,11 +334,13 @@ static int handleCurrentSong(int fd, mpd_unused int *permission,
mpd_unused int argc, mpd_unused char *argv[])
{
int song = getPlaylistCurrentSong();
+ enum playlist_result result;
- if (song >= 0) {
- return playlistInfo(fd, song);
- } else
+ if (song < 0)
return 0;
+
+ result = playlistInfo(fd, song);
+ return print_playlist_result(fd, result);
}
static int handlePause(int fd, mpd_unused int *permission,
@@ -384,54 +437,65 @@ static int handleAdd(int fd, mpd_unused int *permission,
mpd_unused int argc, char *argv[])
{
char *path = argv[1];
+ enum playlist_result result;
if (isRemoteUrl(path))
- return addToPlaylist(fd, path, NULL);
+ return addToPlaylist(path, NULL);
- return addAllIn(fd, path);
+ result = addAllIn(fd, path);
+ return print_playlist_result(fd, result);
}
static int handleAddId(int fd, mpd_unused int *permission,
int argc, char *argv[])
{
int added_id;
- int ret = addToPlaylist(fd, argv[1], &added_id);
-
- if (!ret) {
- if (argc == 3) {
- int to;
- if (check_int(fd, &to, argv[2],
- check_integer, argv[2]) < 0)
- return -1;
- ret = moveSongInPlaylistById(fd, added_id, to);
- if (ret) { /* move failed */
- deleteFromPlaylistById(fd, added_id);
- return ret;
- }
+ enum playlist_result result = addToPlaylist(argv[1], &added_id);
+
+ if (result == PLAYLIST_RESULT_SUCCESS)
+ return result;
+
+ if (argc == 3) {
+ int to;
+ if (check_int(fd, &to, argv[2],
+ check_integer, argv[2]) < 0)
+ return -1;
+ result = moveSongInPlaylistById(added_id, to);
+ if (result != PLAYLIST_RESULT_SUCCESS) {
+ int ret = print_playlist_result(fd, result);
+ deleteFromPlaylistById(added_id);
+ return ret;
}
- fdprintf(fd, "Id: %d\n", added_id);
}
- return ret;
+
+ fdprintf(fd, "Id: %d\n", added_id);
+ return result;
}
static int handleDelete(int fd, mpd_unused int *permission,
mpd_unused int argc, char *argv[])
{
int song;
+ enum playlist_result result;
if (check_int(fd, &song, argv[1], need_positive) < 0)
return -1;
- return deleteFromPlaylist(fd, song);
+
+ result = deleteFromPlaylist(song);
+ return print_playlist_result(fd, result);
}
static int handleDeleteId(int fd, mpd_unused int *permission,
mpd_unused int argc, char *argv[])
{
int id;
+ enum playlist_result result;
if (check_int(fd, &id, argv[1], need_positive) < 0)
return -1;
- return deleteFromPlaylistById(fd, id);
+
+ result = deleteFromPlaylistById(id);
+ return print_playlist_result(fd, result);
}
static int handlePlaylist(int fd, mpd_unused int *permission,
@@ -441,10 +505,10 @@ static int handlePlaylist(int fd, mpd_unused int *permission,
return 0;
}
-static int handleShuffle(int fd, mpd_unused int *permission,
+static int handleShuffle(mpd_unused int fd, mpd_unused int *permission,
mpd_unused int argc, mpd_unused char *argv[])
{
- shufflePlaylist(fd);
+ shufflePlaylist();
return 0;
}
@@ -458,7 +522,10 @@ static int handleClear(mpd_unused int fd, mpd_unused int *permission,
static int handleSave(int fd, mpd_unused int *permission,
mpd_unused int argc, char *argv[])
{
- return savePlaylist(fd, argv[1]);
+ enum playlist_result result;
+
+ result = savePlaylist(argv[1]);
+ return print_playlist_result(fd, result);
}
static int handleLoad(int fd, mpd_unused int *permission,
@@ -499,7 +566,10 @@ static int handleLsInfo(int fd, mpd_unused int *permission,
static int handleRm(int fd, mpd_unused int *permission,
mpd_unused int argc, char *argv[])
{
- return deletePlaylist(fd, argv[1]);
+ enum playlist_result result;
+
+ result = deletePlaylist(argv[1]);
+ return print_playlist_result(fd, result);
}
static int handleRename(int fd, mpd_unused int *permission,
@@ -532,20 +602,26 @@ static int handlePlaylistInfo(int fd, mpd_unused int *permission,
int argc, char *argv[])
{
int song = -1;
+ enum playlist_result result;
if (argc == 2 && check_int(fd, &song, argv[1], need_positive) < 0)
return -1;
- return playlistInfo(fd, song);
+
+ result = playlistInfo(fd, song);
+ return print_playlist_result(fd, result);
}
static int handlePlaylistId(int fd, mpd_unused int *permission,
int argc, char *argv[])
{
int id = -1;
+ enum playlist_result result;
if (argc == 2 && check_int(fd, &id, argv[1], need_positive) < 0)
return -1;
- return playlistId(fd, id);
+
+ result = playlistId(fd, id);
+ return print_playlist_result(fd, result);
}
static int handleFind(int fd, mpd_unused int *permission,
@@ -871,72 +947,86 @@ static int handleMove(int fd, mpd_unused int *permission,
mpd_unused int argc, char *argv[])
{
int from, to;
+ enum playlist_result result;
if (check_int(fd, &from, argv[1], check_integer, argv[1]) < 0)
return -1;
if (check_int(fd, &to, argv[2], check_integer, argv[2]) < 0)
return -1;
- return moveSongInPlaylist(fd, from, to);
+ result = moveSongInPlaylist(from, to);
+ return print_playlist_result(fd, result);
}
static int handleMoveId(int fd, mpd_unused int *permission,
mpd_unused int argc, char *argv[])
{
int id, to;
+ enum playlist_result result;
if (check_int(fd, &id, argv[1], check_integer, argv[1]) < 0)
return -1;
if (check_int(fd, &to, argv[2], check_integer, argv[2]) < 0)
return -1;
- return moveSongInPlaylistById(fd, id, to);
+ result = moveSongInPlaylistById(id, to);
+ return print_playlist_result(fd, result);
}
static int handleSwap(int fd, mpd_unused int *permission,
mpd_unused int argc, char *argv[])
{
int song1, song2;
+ enum playlist_result result;
if (check_int(fd, &song1, argv[1], check_integer, argv[1]) < 0)
return -1;
if (check_int(fd, &song2, argv[2], check_integer, argv[2]) < 0)
return -1;
- return swapSongsInPlaylist(fd, song1, song2);
+ result = swapSongsInPlaylist(song1, song2);
+ return print_playlist_result(fd, result);
}
static int handleSwapId(int fd, mpd_unused int *permission,
mpd_unused int argc, char *argv[])
{
int id1, id2;
+ enum playlist_result result;
if (check_int(fd, &id1, argv[1], check_integer, argv[1]) < 0)
return -1;
if (check_int(fd, &id2, argv[2], check_integer, argv[2]) < 0)
return -1;
- return swapSongsInPlaylistById(fd, id1, id2);
+ result = swapSongsInPlaylistById(id1, id2);
+ return print_playlist_result(fd, result);
}
static int handleSeek(int fd, mpd_unused int *permission,
mpd_unused int argc, char *argv[])
{
int song, seek_time;
+ enum playlist_result result;
if (check_int(fd, &song, argv[1], check_integer, argv[1]) < 0)
return -1;
if (check_int(fd, &seek_time, argv[2], check_integer, argv[2]) < 0)
return -1;
- return seekSongInPlaylist(fd, song, seek_time);
+
+ result = seekSongInPlaylist(song, seek_time);
+ return print_playlist_result(fd, result);
}
static int handleSeekId(int fd, mpd_unused int *permission,
mpd_unused int argc, char *argv[])
{
int id, seek_time;
+ enum playlist_result result;
if (check_int(fd, &id, argv[1], check_integer, argv[1]) < 0)
return -1;
if (check_int(fd, &seek_time, argv[2], check_integer, argv[2]) < 0)
return -1;
- return seekSongInPlaylistById(fd, id, seek_time);
+
+ result = seekSongInPlaylistById(id, seek_time);
+ return print_playlist_result(fd, result);
}
static int handleListAllInfo(int fd, mpd_unused int *permission,
diff --git a/src/dbUtils.c b/src/dbUtils.c
index 73078293c..1dfdf6709 100644
--- a/src/dbUtils.c
+++ b/src/dbUtils.c
@@ -174,10 +174,10 @@ int printAllIn(int fd, const char *name)
printDirectoryInDirectory, NULL);
}
-static int directoryAddSongToPlaylist(int fd, Song * song,
+static int directoryAddSongToPlaylist(mpd_unused int fd, Song * song,
mpd_unused void *data)
{
- return addSongToPlaylist(fd, song, NULL);
+ return addSongToPlaylist(song, NULL);
}
static int directoryAddSongToStoredPlaylist(int fd, Song *song, void *data)
diff --git a/src/playlist.c b/src/playlist.c
index 193989bdb..e8257a154 100644
--- a/src/playlist.c
+++ b/src/playlist.c
@@ -274,18 +274,16 @@ static void loadPlaylistFromStateFile(FILE *fp, char *buffer,
song = atoi(temp);
if (!(temp = strtok(NULL, "")))
state_file_fatal();
- if (!addToPlaylist(STDERR_FILENO, temp, NULL)
+ if (addToPlaylist(temp, NULL) == PLAYLIST_RESULT_SUCCESS
&& current == song) {
if (state != PLAYER_STATE_STOP) {
- playPlaylist(STDERR_FILENO,
- playlist.length - 1, 0);
+ playPlaylist(playlist.length - 1, 0);
}
if (state == PLAYER_STATE_PAUSE) {
playerPause();
}
if (state != PLAYER_STATE_STOP) {
- seekSongInPlaylist(STDERR_FILENO,
- playlist.length - 1,
+ seekSongInPlaylist(playlist.length - 1,
seek_time);
}
}
@@ -408,7 +406,7 @@ int playlistChangesPosId(int fd, mpd_uint32 version)
return 0;
}
-int playlistInfo(int fd, int song)
+enum playlist_result playlistInfo(int fd, int song)
{
int i;
int begin = 0;
@@ -418,36 +416,31 @@ int playlistInfo(int fd, int song)
begin = song;
end = song + 1;
}
- if (song >= playlist.length) {
- commandError(fd, ACK_ERROR_NO_EXIST,
- "song doesn't exist: \"%i\"", song);
- return -1;
- }
+ if (song >= playlist.length)
+ return PLAYLIST_RESULT_BAD_RANGE;
for (i = begin; i < end; i++)
printPlaylistSongInfo(fd, i);
- return 0;
+ return PLAYLIST_RESULT_SUCCESS;
}
-# define checkSongId(id) { \
- if(id < 0 || id >= PLAYLIST_HASH_MULT*playlist_max_length || \
- playlist.idToPosition[id] == -1 ) \
- { \
- commandError(fd, ACK_ERROR_NO_EXIST, \
- "song id doesn't exist: \"%i\"", id); \
- return -1; \
- } \
+static int song_id_exists(int id)
+{
+ return id >= 0 && id < PLAYLIST_HASH_MULT*playlist_max_length &&
+ playlist.idToPosition[id] != -1;
}
-int playlistId(int fd, int id)
+enum playlist_result playlistId(int fd, int id)
{
int i;
int begin = 0;
int end = playlist.length;
if (id >= 0) {
- checkSongId(id);
+ if (!song_id_exists(id))
+ return PLAYLIST_RESULT_NO_SUCH_SONG;
+
begin = playlist.idToPosition[id];
end = begin + 1;
}
@@ -455,7 +448,7 @@ int playlistId(int fd, int id)
for (i = begin; i < end; i++)
printPlaylistSongInfo(fd, i);
- return 0;
+ return PLAYLIST_RESULT_SUCCESS;
}
static void swapSongs(int song1, int song2)
@@ -560,7 +553,7 @@ static void clearPlayerQueue(void)
playerQueueUnlock();
}
-int addToPlaylist(int fd, const char *url, int *added_id)
+enum playlist_result addToPlaylist(const char *url, int *added_id)
{
Song *song;
@@ -569,13 +562,10 @@ int addToPlaylist(int fd, const char *url, int *added_id)
if ((song = getSongFromDB(url))) {
} else if (!(isValidRemoteUtf8Url(url) &&
(song = newSong(url, SONG_TYPE_URL, NULL)))) {
- commandError(fd, ACK_ERROR_NO_EXIST,
- "\"%s\" is not in the music db or is "
- "not a valid url", url);
- return -1;
+ return PLAYLIST_RESULT_NO_SUCH_SONG;
}
- return addSongToPlaylist(fd, song, added_id);
+ return addSongToPlaylist(song, added_id);
}
int addToStoredPlaylist(int fd, const char *url, const char *utf8file)
@@ -606,15 +596,12 @@ fail:
return -1;
}
-int addSongToPlaylist(int fd, Song * song, int *added_id)
+enum playlist_result addSongToPlaylist(Song * song, int *added_id)
{
int id;
- if (playlist.length == playlist_max_length) {
- commandError(fd, ACK_ERROR_PLAYLIST_MAX,
- "playlist is at the max size");
- return -1;
- }
+ if (playlist.length == playlist_max_length)
+ return PLAYLIST_RESULT_TOO_LARGE;
if (playlist_state == PLAYLIST_STATE_PLAY) {
if (playlist.queued >= 0
@@ -652,24 +639,17 @@ int addSongToPlaylist(int fd, Song * song, int *added_id)
if (added_id)
*added_id = id;
- return 0;
+ return PLAYLIST_RESULT_SUCCESS;
}
-int swapSongsInPlaylist(int fd, int song1, int song2)
+enum playlist_result swapSongsInPlaylist(int song1, int song2)
{
int queuedSong = -1;
int currentSong;
- if (song1 < 0 || song1 >= playlist.length) {
- commandError(fd, ACK_ERROR_NO_EXIST,
- "song doesn't exist: \"%i\"", song1);
- return -1;
- }
- if (song2 < 0 || song2 >= playlist.length) {
- commandError(fd, ACK_ERROR_NO_EXIST,
- "song doesn't exist: \"%i\"", song2);
- return -1;
- }
+ if (song1 < 0 || song1 >= playlist.length ||
+ song2 < 0 || song2 >= playlist.length)
+ return PLAYLIST_RESULT_BAD_RANGE;
if (playlist_state == PLAYLIST_STATE_PLAY) {
if (playlist.queued >= 0) {
@@ -705,15 +685,15 @@ int swapSongsInPlaylist(int fd, int song1, int song2)
incrPlaylistVersion();
- return 0;
+ return PLAYLIST_RESULT_SUCCESS;
}
-int swapSongsInPlaylistById(int fd, int id1, int id2)
+enum playlist_result swapSongsInPlaylistById(int id1, int id2)
{
- checkSongId(id1);
- checkSongId(id2);
+ if (!song_id_exists(id1) || !song_id_exists(id2))
+ return PLAYLIST_RESULT_NO_SUCH_SONG;
- return swapSongsInPlaylist(fd, playlist.idToPosition[id1],
+ return swapSongsInPlaylist(playlist.idToPosition[id1],
playlist.idToPosition[id2]);
}
@@ -724,16 +704,13 @@ int swapSongsInPlaylistById(int fd, int id1, int id2)
playlist.songMod[to] = playlist.version; \
}
-int deleteFromPlaylist(int fd, int song)
+enum playlist_result deleteFromPlaylist(int song)
{
int i;
int songOrder;
- if (song < 0 || song >= playlist.length) {
- commandError(fd, ACK_ERROR_NO_EXIST,
- "song doesn't exist: \"%i\"", song);
- return -1;
- }
+ if (song < 0 || song >= playlist.length)
+ return PLAYLIST_RESULT_BAD_RANGE;
if (playlist_state == PLAYLIST_STATE_PLAY) {
if (playlist.queued >= 0
@@ -790,14 +767,15 @@ int deleteFromPlaylist(int fd, int song)
playlist.queued--;
}
- return 0;
+ return PLAYLIST_RESULT_SUCCESS;
}
-int deleteFromPlaylistById(int fd, int id)
+enum playlist_result deleteFromPlaylistById(int id)
{
- checkSongId(id);
+ if (!song_id_exists(id))
+ return PLAYLIST_RESULT_NO_SUCH_SONG;
- return deleteFromPlaylist(fd, playlist.idToPosition[id]);
+ return deleteFromPlaylist(playlist.idToPosition[id]);
}
void deleteASongFromPlaylist(Song * song)
@@ -809,7 +787,7 @@ void deleteASongFromPlaylist(Song * song)
for (i = 0; i < playlist.length; i++) {
if (song == playlist.songs[i]) {
- deleteFromPlaylist(STDERR_FILENO, i);
+ deleteFromPlaylist(i);
}
}
}
@@ -841,7 +819,7 @@ static void playPlaylistOrderNumber(int orderNum)
playlist.current = orderNum;
}
-int playPlaylist(int fd, int song, int stopOnError)
+enum playlist_result playPlaylist(int song, int stopOnError)
{
int i = song;
@@ -849,11 +827,11 @@ int playPlaylist(int fd, int song, int stopOnError)
if (song == -1) {
if (playlist.length == 0)
- return 0;
+ return PLAYLIST_RESULT_SUCCESS;
if (playlist_state == PLAYLIST_STATE_PLAY) {
playerSetPause(0);
- return 0;
+ return PLAYLIST_RESULT_SUCCESS;
}
if (playlist.current >= 0 && playlist.current < playlist.length) {
i = playlist.current;
@@ -861,9 +839,7 @@ int playPlaylist(int fd, int song, int stopOnError)
i = 0;
}
} else if (song < 0 || song >= playlist.length) {
- commandError(fd, ACK_ERROR_NO_EXIST,
- "song doesn't exist: \"%i\"", song);
- return -1;
+ return PLAYLIST_RESULT_BAD_RANGE;
}
if (playlist.random) {
@@ -884,18 +860,19 @@ int playPlaylist(int fd, int song, int stopOnError)
playlist_errorCount = 0;
playPlaylistOrderNumber(i);
- return 0;
+ return PLAYLIST_RESULT_SUCCESS;
}
-int playPlaylistById(int fd, int id, int stopOnError)
+enum playlist_result playPlaylistById(int id, int stopOnError)
{
if (id == -1) {
- return playPlaylist(fd, id, stopOnError);
+ return playPlaylist(id, stopOnError);
}
- checkSongId(id);
+ if (!song_id_exists(id))
+ return PLAYLIST_RESULT_NO_SUCH_SONG;
- return playPlaylist(fd, playlist.idToPosition[id], stopOnError);
+ return playPlaylist(playlist.idToPosition[id], stopOnError);
}
static void syncCurrentPlayerDecodeMetadata(void)
@@ -1020,28 +997,22 @@ void setPlaylistRepeatStatus(int status)
playlist.repeat = status;
}
-int moveSongInPlaylist(int fd, int from, int to)
+enum playlist_result moveSongInPlaylist(int from, int to)
{
int i;
Song *tmpSong;
int tmpId;
int currentSong;
- if (from < 0 || from >= playlist.length) {
- commandError(fd, ACK_ERROR_NO_EXIST,
- "song doesn't exist: \"%i\"", from);
- return -1;
- }
+ if (from < 0 || from >= playlist.length)
+ return PLAYLIST_RESULT_BAD_RANGE;
if ((to >= 0 && to >= playlist.length) ||
- (to < 0 && abs(to) > playlist.length)) {
- commandError(fd, ACK_ERROR_NO_EXIST,
- "song doesn't exist: \"%i\"", to);
- return -1;
- }
+ (to < 0 && abs(to) > playlist.length))
+ return PLAYLIST_RESULT_BAD_RANGE;
if (from == to) /* no-op */
- return 0;
+ return PLAYLIST_RESULT_SUCCESS;
/*
* (to < 0) => move to offset from current song
@@ -1051,7 +1022,7 @@ int moveSongInPlaylist(int fd, int from, int to)
if (to < 0 && playlist.current >= 0) {
if (currentSong == from)
/* no-op, can't be moved to offset of itself */
- return 0;
+ return PLAYLIST_RESULT_SUCCESS;
to = (currentSong + abs(to)) % playlist.length;
}
@@ -1116,14 +1087,15 @@ int moveSongInPlaylist(int fd, int from, int to)
incrPlaylistVersion();
- return 0;
+ return PLAYLIST_RESULT_SUCCESS;
}
-int moveSongInPlaylistById(int fd, int id1, int to)
+enum playlist_result moveSongInPlaylistById(int id1, int to)
{
- checkSongId(id1);
+ if (!song_id_exists(id1))
+ return PLAYLIST_RESULT_NO_SUCH_SONG;
- return moveSongInPlaylist(fd, playlist.idToPosition[id1], to);
+ return moveSongInPlaylist(playlist.idToPosition[id1], to);
}
static void orderPlaylist(void)
@@ -1222,7 +1194,7 @@ void previousSongInPlaylist(void)
}
}
-void shufflePlaylist(mpd_unused int fd)
+void shufflePlaylist(void)
{
int i;
int ri;
@@ -1253,50 +1225,39 @@ void shufflePlaylist(mpd_unused int fd)
}
}
-int deletePlaylist(int fd, const char *utf8file)
+enum playlist_result deletePlaylist(const char *utf8file)
{
char path_max_tmp[MPD_PATH_MAX];
utf8_to_fs_playlist_path(path_max_tmp, utf8file);
- if (!isPlaylist(path_max_tmp)) {
- commandError(fd, ACK_ERROR_NO_EXIST,
- "playlist \"%s\" not found", utf8file);
- return -1;
- }
+ if (!isPlaylist(path_max_tmp))
+ return PLAYLIST_RESULT_NO_SUCH_LIST;
- if (unlink(path_max_tmp) < 0) {
- commandError(fd, ACK_ERROR_SYSTEM,
- "problems deleting file");
- return -1;
- }
+ if (unlink(path_max_tmp) < 0)
+ return PLAYLIST_RESULT_ERRNO;
- return 0;
+ return PLAYLIST_RESULT_SUCCESS;
}
-int savePlaylist(int fd, const char *utf8file)
+enum playlist_result savePlaylist(const char *utf8file)
{
FILE *fp;
int i;
struct stat sb;
char path_max_tmp[MPD_PATH_MAX];
- if (!valid_playlist_name(fd, utf8file))
- return -1;
+ if (!is_valid_playlist_name(utf8file))
+ return PLAYLIST_RESULT_BAD_NAME;
utf8_to_fs_playlist_path(path_max_tmp, utf8file);
- if (!stat(path_max_tmp, &sb)) {
- commandError(fd, ACK_ERROR_EXIST, "a file or directory already "
- "exists with the name \"%s\"", utf8file);
- return -1;
- }
+ if (!stat(path_max_tmp, &sb))
+ return PLAYLIST_RESULT_LIST_EXISTS;
while (!(fp = fopen(path_max_tmp, "w")) && errno == EINTR);
- if (fp == NULL) {
- commandError(fd, ACK_ERROR_SYSTEM, "failed to create file");
- return -1;
- }
+ if (fp == NULL)
+ return PLAYLIST_RESULT_ERRNO;
for (i = 0; i < playlist.length; i++) {
char tmp[MPD_PATH_MAX];
@@ -1313,7 +1274,7 @@ int savePlaylist(int fd, const char *utf8file)
while (fclose(fp) && errno == EINTR) ;
- return 0;
+ return PLAYLIST_RESULT_SUCCESS;
}
int getPlaylistCurrentSong(void)
@@ -1335,15 +1296,12 @@ int getPlaylistLength(void)
return playlist.length;
}
-int seekSongInPlaylist(int fd, int song, float seek_time)
+enum playlist_result seekSongInPlaylist(int song, float seek_time)
{
int i, ret;
- if (song < 0 || song >= playlist.length) {
- commandError(fd, ACK_ERROR_NO_EXIST,
- "song doesn't exist: \"%i\"", song);
- return -1;
- }
+ if (song < 0 || song >= playlist.length)
+ return PLAYLIST_RESULT_BAD_RANGE;
if (playlist.random)
for (i = 0; song != playlist.order[i]; i++) ;
@@ -1366,16 +1324,17 @@ int seekSongInPlaylist(int fd, int song, float seek_time)
ret = playerSeek(playlist.songs[playlist.order[i]], seek_time);
if (ret < 0)
- commandError(fd, ACK_ERROR_PLAYER_SYNC,
- "player not currently playing");
- return ret;
+ return PLAYLIST_RESULT_NOT_PLAYING;
+
+ return PLAYLIST_RESULT_SUCCESS;
}
-int seekSongInPlaylistById(int fd, int id, float seek_time)
+enum playlist_result seekSongInPlaylistById(int id, float seek_time)
{
- checkSongId(id);
+ if (!song_id_exists(id))
+ return PLAYLIST_RESULT_NO_SUCH_SONG;
- return seekSongInPlaylist(fd, playlist.idToPosition[id], seek_time);
+ return seekSongInPlaylist(playlist.idToPosition[id], seek_time);
}
int getPlaylistSongId(int song)
@@ -1426,7 +1385,7 @@ int loadPlaylist(int fd, const char *utf8file)
node = list->firstNode;
while (node != NULL) {
char *temp = node->data;
- if ((addToPlaylist(STDERR_FILENO, temp, NULL)) < 0) {
+ if ((addToPlaylist(temp, NULL)) != PLAYLIST_RESULT_SUCCESS) {
/* for windows compatibility, convert slashes */
char *temp2 = xstrdup(temp);
char *p = temp2;
@@ -1435,7 +1394,7 @@ int loadPlaylist(int fd, const char *utf8file)
*p = '/';
p++;
}
- if ((addToPlaylist(STDERR_FILENO, temp2, NULL)) < 0) {
+ if ((addToPlaylist(temp, NULL)) != PLAYLIST_RESULT_SUCCESS) {
commandError(fd, ACK_ERROR_PLAYLIST_LOAD,
"can't add file \"%s\"", temp2);
}
diff --git a/src/playlist.h b/src/playlist.h
index ff05dca24..44800cb72 100644
--- a/src/playlist.h
+++ b/src/playlist.h
@@ -24,6 +24,18 @@
#define PLAYLIST_FILE_SUFFIX "m3u"
#define PLAYLIST_COMMENT '#'
+enum playlist_result {
+ PLAYLIST_RESULT_SUCCESS,
+ PLAYLIST_RESULT_ERRNO,
+ PLAYLIST_RESULT_NO_SUCH_SONG,
+ PLAYLIST_RESULT_NO_SUCH_LIST,
+ PLAYLIST_RESULT_LIST_EXISTS,
+ PLAYLIST_RESULT_BAD_NAME,
+ PLAYLIST_RESULT_BAD_RANGE,
+ PLAYLIST_RESULT_NOT_PLAYING,
+ PLAYLIST_RESULT_TOO_LARGE
+};
+
typedef struct _Playlist {
Song **songs;
/* holds version a song was modified on */
@@ -55,27 +67,27 @@ void clearPlaylist(void);
int clearStoredPlaylist(int fd, const char *utf8file);
-int addToPlaylist(int fd, const char *file, int *added_id);
+enum playlist_result addToPlaylist(const char *file, int *added_id);
int addToStoredPlaylist(int fd, const char *file, const char *utf8file);
-int addSongToPlaylist(int fd, Song * song, int *added_id);
+enum playlist_result addSongToPlaylist(Song * song, int *added_id);
void showPlaylist(int fd);
-int deleteFromPlaylist(int fd, int song);
+enum playlist_result deleteFromPlaylist(int song);
-int deleteFromPlaylistById(int fd, int song);
+enum playlist_result deleteFromPlaylistById(int song);
-int playlistInfo(int fd, int song);
+enum playlist_result playlistInfo(int fd, int song);
-int playlistId(int fd, int song);
+enum playlist_result playlistId(int fd, int song);
void stopPlaylist(void);
-int playPlaylist(int fd, int song, int stopOnError);
+enum playlist_result playPlaylist(int song, int stopOnError);
-int playPlaylistById(int fd, int song, int stopOnError);
+enum playlist_result playPlaylistById(int song, int stopOnError);
void nextSongInPlaylist(void);
@@ -83,23 +95,21 @@ void syncPlayerAndPlaylist(void);
void previousSongInPlaylist(void);
-void shufflePlaylist(int fd);
-
-int savePlaylist(int fd, const char *utf8file);
+void shufflePlaylist(void);
-int deletePlaylist(int fd, const char *utf8file);
+enum playlist_result savePlaylist(const char *utf8file);
-int deletePlaylistById(int fd, const char *utf8file);
+enum playlist_result deletePlaylist(const char *utf8file);
void deleteASongFromPlaylist(Song * song);
-int moveSongInPlaylist(int fd, int from, int to);
+enum playlist_result moveSongInPlaylist(int from, int to);
-int moveSongInPlaylistById(int fd, int id, int to);
+enum playlist_result moveSongInPlaylistById(int id, int to);
-int swapSongsInPlaylist(int fd, int song1, int song2);
+enum playlist_result swapSongsInPlaylist(int song1, int song2);
-int swapSongsInPlaylistById(int fd, int id1, int id2);
+enum playlist_result swapSongsInPlaylistById(int id1, int id2);
int loadPlaylist(int fd, const char *utf8file);
@@ -121,9 +131,9 @@ unsigned long getPlaylistVersion(void);
void playPlaylistIfPlayerStopped(void);
-int seekSongInPlaylist(int fd, int song, float seek_time);
+enum playlist_result seekSongInPlaylist(int song, float seek_time);
-int seekSongInPlaylistById(int fd, int id, float seek_time);
+enum playlist_result seekSongInPlaylistById(int id, float seek_time);
void playlistVersionChange(void);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 13:39:15 +0000