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authorMax Kellermann <max@duempel.org>2008-09-07 13:44:12 +0200
committerEric Wong <normalperson@yhbt.net>2008-09-09 01:11:00 -0700
commit38526852f3c40a6014f86b832b37d31507f6131b (patch)
treef8eddfff4a11598c0e5cf6f465e4a08af3be644b /src
parent6dcd7fea0e3cfc8f51097f11c0c84793584e8f0b (diff)
downloadmpd-38526852f3c40a6014f86b832b37d31507f6131b.tar.gz
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playlist: don't pass "fd" to storedPlaylist.c functions
Return an "enum playlist_result" value instead of calling commandError() in storedPlaylist.c.
Diffstat (limited to 'src')
-rw-r--r--src/command.c31
-rw-r--r--src/dbUtils.c7
-rw-r--r--src/playlist.c48
-rw-r--r--src/playlist.h8
-rw-r--r--src/storedPlaylist.c163
-rw-r--r--src/storedPlaylist.h19
6 files changed, 126 insertions, 150 deletions
diff --git a/src/command.c b/src/command.c
index a4d785126..1634394d0 100644
--- a/src/command.c
+++ b/src/command.c
@@ -529,7 +529,10 @@ static int handleSave(int fd, mpd_unused int *permission,
static int handleLoad(int fd, mpd_unused int *permission,
mpd_unused int argc, char *argv[])
{
- return loadPlaylist(fd, argv[1]);
+ enum playlist_result result;
+
+ result = loadPlaylist(fd, argv[1]);
+ return print_playlist_result(fd, result);
}
static int handleListPlaylist(int fd, mpd_unused int *permission,
@@ -573,7 +576,10 @@ static int handleRm(int fd, mpd_unused int *permission,
static int handleRename(int fd, mpd_unused int *permission,
mpd_unused int argc, char *argv[])
{
- return renameStoredPlaylist(fd, argv[1], argv[2]);
+ enum playlist_result result;
+
+ result = renameStoredPlaylist(argv[1], argv[2]);
+ return print_playlist_result(fd, result);
}
static int handlePlaylistChanges(int fd, mpd_unused int *permission,
@@ -732,11 +738,13 @@ static int handlePlaylistDelete(int fd, mpd_unused int *permission,
mpd_unused int argc, char *argv[]) {
char *playlist = argv[1];
int from;
+ enum playlist_result result;
if (check_int(fd, &from, argv[2], check_integer, argv[2]) < 0)
return -1;
- return removeOneSongFromStoredPlaylistByPath(fd, playlist, from);
+ result = removeOneSongFromStoredPlaylistByPath(playlist, from);
+ return print_playlist_result(fd, result);
}
static int handlePlaylistMove(int fd, mpd_unused int *permission,
@@ -744,13 +752,15 @@ static int handlePlaylistMove(int fd, mpd_unused int *permission,
{
char *playlist = argv[1];
int from, to;
+ enum playlist_result result;
if (check_int(fd, &from, argv[2], check_integer, argv[2]) < 0)
return -1;
if (check_int(fd, &to, argv[3], check_integer, argv[3]) < 0)
return -1;
- return moveSongInStoredPlaylistByPath(fd, playlist, from, to);
+ result = moveSongInStoredPlaylistByPath(playlist, from, to);
+ return print_playlist_result(fd, result);
}
static int listHandleUpdate(int fd,
@@ -1135,7 +1145,10 @@ static int handleNotcommands(int fd, mpd_unused int *permission,
static int handlePlaylistClear(int fd, mpd_unused int *permission,
mpd_unused int argc, char *argv[])
{
- return clearStoredPlaylist(fd, argv[1]);
+ enum playlist_result result;
+
+ result = clearStoredPlaylist(argv[1]);
+ return print_playlist_result(fd, result);
}
static int handlePlaylistAdd(int fd, mpd_unused int *permission,
@@ -1143,11 +1156,13 @@ static int handlePlaylistAdd(int fd, mpd_unused int *permission,
{
char *playlist = argv[1];
char *path = argv[2];
+ enum playlist_result result;
if (isRemoteUrl(path))
- return addToStoredPlaylist(fd, path, playlist);
-
- return addAllInToStoredPlaylist(fd, path, playlist);
+ result = addToStoredPlaylist(path, playlist);
+ else
+ result = addAllInToStoredPlaylist(fd, path, playlist);
+ return print_playlist_result(fd, result);
}
void initCommands(void)
diff --git a/src/dbUtils.c b/src/dbUtils.c
index ff184dc49..c330f2ce2 100644
--- a/src/dbUtils.c
+++ b/src/dbUtils.c
@@ -179,11 +179,10 @@ static int directoryAddSongToPlaylist(mpd_unused int fd, Song * song,
return addSongToPlaylist(song, NULL);
}
-static int directoryAddSongToStoredPlaylist(int fd, Song *song, void *data)
+static int directoryAddSongToStoredPlaylist(mpd_unused int fd, Song *song,
+ void *data)
{
- if (appendSongToStoredPlaylistByPath(fd, (char *)data, song) != 0)
- return -1;
- return 0;
+ return appendSongToStoredPlaylistByPath((char *)data, song);
}
int addAllIn(int fd, const char *name)
diff --git a/src/playlist.c b/src/playlist.c
index 9271bb037..562a4e7e7 100644
--- a/src/playlist.c
+++ b/src/playlist.c
@@ -238,9 +238,9 @@ void clearPlaylist(void)
incrPlaylistVersion();
}
-int clearStoredPlaylist(int fd, const char *utf8file)
+int clearStoredPlaylist(const char *utf8file)
{
- return removeAllFromStoredPlaylistByPath(fd, utf8file);
+ return removeAllFromStoredPlaylistByPath(utf8file);
}
void showPlaylist(int fd)
@@ -604,32 +604,27 @@ enum playlist_result addToPlaylist(const char *url, int *added_id)
return addSongToPlaylist(song, added_id);
}
-int addToStoredPlaylist(int fd, const char *url, const char *utf8file)
+int addToStoredPlaylist(const char *url, const char *utf8file)
{
Song *song;
DEBUG("add to stored playlist: %s\n", url);
song = getSongFromDB(url);
- if (song) {
- appendSongToStoredPlaylistByPath(fd, utf8file, song);
- return 0;
- }
+ if (song)
+ return appendSongToStoredPlaylistByPath(utf8file, song);
if (!isValidRemoteUtf8Url(url))
- goto fail;
+ return ACK_ERROR_NO_EXIST;
song = newSong(url, SONG_TYPE_URL, NULL);
if (song) {
- appendSongToStoredPlaylistByPath(fd, utf8file, song);
+ int ret = appendSongToStoredPlaylistByPath(utf8file, song);
freeJustSong(song);
- return 0;
+ return ret;
}
-fail:
- commandError(fd, ACK_ERROR_NO_EXIST, "\"%s\" is not in the music db"
- "or is not a valid url", url);
- return -1;
+ return ACK_ERROR_NO_EXIST;
}
enum playlist_result addSongToPlaylist(Song * song, int *added_id)
@@ -1392,8 +1387,11 @@ int PlaylistInfo(int fd, const char *utf8file, int detail)
ListNode *node;
List *list;
- if (!(list = loadStoredPlaylist(fd, utf8file)))
+ if (!(list = loadStoredPlaylist(utf8file))) {
+ commandError(fd, ACK_ERROR_NO_EXIST, "could not open playlist "
+ "\"%s\": %s", utf8file, strerror(errno));
return -1;
+ }
node = list->firstNode;
while (node != NULL) {
@@ -1419,13 +1417,13 @@ int PlaylistInfo(int fd, const char *utf8file, int detail)
return 0;
}
-int loadPlaylist(int fd, const char *utf8file)
+enum playlist_result loadPlaylist(int fd, const char *utf8file)
{
ListNode *node;
List *list;
- if (!(list = loadStoredPlaylist(fd, utf8file)))
- return -1;
+ if (!(list = loadStoredPlaylist(utf8file)))
+ return PLAYLIST_RESULT_NO_SUCH_LIST;
node = list->firstNode;
while (node != NULL) {
@@ -1450,7 +1448,7 @@ int loadPlaylist(int fd, const char *utf8file)
}
freeList(list);
- return 0;
+ return PLAYLIST_RESULT_SUCCESS;
}
void searchForSongsInPlaylist(int fd, int numItems, LocateTagItem * items)
@@ -1502,18 +1500,6 @@ int is_valid_playlist_name(const char *utf8path)
strchr(utf8path, '\r') == NULL;
}
-int valid_playlist_name(int err_fd, const char *utf8path)
-{
- if (!is_valid_playlist_name(utf8path)) {
- commandError(err_fd, ACK_ERROR_ARG, "playlist name \"%s\" is "
- "invalid: playlist names may not contain slashes,"
- " newlines or carriage returns",
- utf8path);
- return 0;
- }
- return 1;
-}
-
int playlist_playing(void)
{
return (playlist_state == PLAYLIST_STATE_PLAY);
diff --git a/src/playlist.h b/src/playlist.h
index 11ec63e9e..2d8d43ec6 100644
--- a/src/playlist.h
+++ b/src/playlist.h
@@ -50,11 +50,11 @@ void savePlaylistState(FILE *);
void clearPlaylist(void);
-int clearStoredPlaylist(int fd, const char *utf8file);
+int clearStoredPlaylist(const char *utf8file);
enum playlist_result addToPlaylist(const char *file, int *added_id);
-int addToStoredPlaylist(int fd, const char *file, const char *utf8file);
+int addToStoredPlaylist(const char *file, const char *utf8file);
enum playlist_result addSongToPlaylist(Song * song, int *added_id);
@@ -102,7 +102,7 @@ enum playlist_result swapSongsInPlaylist(int song1, int song2);
enum playlist_result swapSongsInPlaylistById(int id1, int id2);
-int loadPlaylist(int fd, const char *utf8file);
+enum playlist_result loadPlaylist(int fd, const char *utf8file);
int getPlaylistRepeatStatus(void);
@@ -138,8 +138,6 @@ void findSongsInPlaylist(int fd, int numItems, LocateTagItem * items);
int is_valid_playlist_name(const char *utf8path);
-int valid_playlist_name(int err_fd, const char *utf8path);
-
struct mpd_tag *playlist_current_tag(void);
#endif
diff --git a/src/storedPlaylist.c b/src/storedPlaylist.c
index ba0451f38..c1452ddb9 100644
--- a/src/storedPlaylist.c
+++ b/src/storedPlaylist.c
@@ -19,8 +19,6 @@
#include "storedPlaylist.h"
#include "path.h"
#include "utils.h"
-#include "ack.h"
-#include "command.h"
#include "ls.h"
#include "directory.h"
#include "os_compat.h"
@@ -60,7 +58,8 @@ static ListNode *nodeOfStoredPlaylist(List *list, int idx)
return NULL;
}
-static int writeStoredPlaylistToPath(int fd, List *list, const char *utf8path)
+static enum playlist_result
+writeStoredPlaylistToPath(List *list, const char *utf8path)
{
ListNode *node;
FILE *file;
@@ -69,17 +68,14 @@ static int writeStoredPlaylistToPath(int fd, List *list, const char *utf8path)
assert(utf8path);
- if (!valid_playlist_name(fd, utf8path))
- return -1;
+ if (!is_valid_playlist_name(utf8path))
+ return PLAYLIST_RESULT_BAD_NAME;
utf8_to_fs_playlist_path(path_max_tmp, utf8path);
while (!(file = fopen(path_max_tmp, "w")) && errno == EINTR);
- if (file == NULL) {
- commandError(fd, ACK_ERROR_NO_EXIST, "could not open file "
- "\"%s\": %s", path_max_tmp, strerror(errno));
- return -1;
- }
+ if (file == NULL)
+ return PLAYLIST_RESULT_ERRNO;
node = list->firstNode;
while (node != NULL) {
@@ -91,10 +87,10 @@ static int writeStoredPlaylistToPath(int fd, List *list, const char *utf8path)
}
while (fclose(file) != 0 && errno == EINTR);
- return 0;
+ return PLAYLIST_RESULT_SUCCESS;
}
-List *loadStoredPlaylist(int fd, const char *utf8path)
+List *loadStoredPlaylist(const char *utf8path)
{
List *list;
FILE *file;
@@ -102,16 +98,13 @@ List *loadStoredPlaylist(int fd, const char *utf8path)
char path_max_tmp[MPD_PATH_MAX];
const size_t musicDir_len = strlen(musicDir);
- if (!valid_playlist_name(fd, utf8path))
+ if (!is_valid_playlist_name(utf8path))
return NULL;
utf8_to_fs_playlist_path(path_max_tmp, utf8path);
while (!(file = fopen(path_max_tmp, "r")) && errno == EINTR);
- if (file == NULL) {
- commandError(fd, ACK_ERROR_NO_EXIST, "could not open file "
- "\"%s\": %s", path_max_tmp, strerror(errno));
+ if (file == NULL)
return NULL;
- }
list = makeList(DEFAULT_FREE_DATA_FUNC, 0);
@@ -139,15 +132,13 @@ List *loadStoredPlaylist(int fd, const char *utf8path)
return list;
}
-static int moveSongInStoredPlaylist(int fd, List *list, int src, int dest)
+static int moveSongInStoredPlaylist(List *list, int src, int dest)
{
ListNode *srcNode, *destNode;
if (src >= list->numberOfNodes || dest >= list->numberOfNodes ||
- src < 0 || dest < 0 || src == dest) {
- commandError(fd, ACK_ERROR_ARG, "argument out of range");
+ src < 0 || dest < 0 || src == dest)
return -1;
- }
srcNode = nodeOfStoredPlaylist(list, src);
if (!srcNode)
@@ -201,90 +192,78 @@ static int moveSongInStoredPlaylist(int fd, List *list, int src, int dest)
return 0;
}
-int moveSongInStoredPlaylistByPath(int fd, const char *utf8path,
- int src, int dest)
+enum playlist_result
+moveSongInStoredPlaylistByPath(const char *utf8path, int src, int dest)
{
List *list;
+ enum playlist_result result;
- if (!(list = loadStoredPlaylist(fd, utf8path))) {
- commandError(fd, ACK_ERROR_UNKNOWN, "could not open playlist");
- return -1;
- }
+ if (!(list = loadStoredPlaylist(utf8path)))
+ return PLAYLIST_RESULT_NO_SUCH_LIST;
- if (moveSongInStoredPlaylist(fd, list, src, dest) != 0) {
+ if (moveSongInStoredPlaylist(list, src, dest) != 0) {
freeList(list);
- return -1;
+ return PLAYLIST_RESULT_BAD_RANGE;
}
- if (writeStoredPlaylistToPath(fd, list, utf8path) != 0) {
- commandError(fd, ACK_ERROR_UNKNOWN, "failed to save playlist");
- freeList(list);
- return -1;
- }
+ result = writeStoredPlaylistToPath(list, utf8path);
freeList(list);
- return 0;
+ return result;
}
-int removeAllFromStoredPlaylistByPath(int fd, const char *utf8path)
+enum playlist_result
+removeAllFromStoredPlaylistByPath(const char *utf8path)
{
char filename[MPD_PATH_MAX];
FILE *file;
- if (!valid_playlist_name(fd, utf8path))
- return -1;
+ if (!is_valid_playlist_name(utf8path))
+ return PLAYLIST_RESULT_BAD_NAME;
+
utf8_to_fs_playlist_path(filename, utf8path);
while (!(file = fopen(filename, "w")) && errno == EINTR);
- if (file == NULL) {
- commandError(fd, ACK_ERROR_NO_EXIST, "could not open file "
- "\"%s\": %s", filename, strerror(errno));
- return -1;
- }
+ if (file == NULL)
+ return PLAYLIST_RESULT_ERRNO;
while (fclose(file) != 0 && errno == EINTR);
- return 0;
+ return PLAYLIST_RESULT_SUCCESS;
}
-static int removeOneSongFromStoredPlaylist(int fd, List *list, int pos)
+static int removeOneSongFromStoredPlaylist(List *list, int pos)
{
ListNode *node = nodeOfStoredPlaylist(list, pos);
- if (!node) {
- commandError(fd, ACK_ERROR_ARG,
- "could not find song at position");
+ if (!node)
return -1;
- }
deleteNodeFromList(list, node);
return 0;
}
-int removeOneSongFromStoredPlaylistByPath(int fd, const char *utf8path, int pos)
+enum playlist_result
+removeOneSongFromStoredPlaylistByPath(const char *utf8path, int pos)
{
List *list;
+ enum playlist_result result;
- if (!(list = loadStoredPlaylist(fd, utf8path))) {
- commandError(fd, ACK_ERROR_UNKNOWN, "could not open playlist");
- return -1;
- }
+ if (!(list = loadStoredPlaylist(utf8path)))
+ return PLAYLIST_RESULT_NO_SUCH_LIST;
- if (removeOneSongFromStoredPlaylist(fd, list, pos) != 0) {
+ if (removeOneSongFromStoredPlaylist(list, pos) != 0) {
freeList(list);
- return -1;
+ return PLAYLIST_RESULT_BAD_RANGE;
}
- if (writeStoredPlaylistToPath(fd, list, utf8path) != 0) {
- commandError(fd, ACK_ERROR_UNKNOWN, "failed to save playlist");
- freeList(list);
- return -1;
- }
+ result = writeStoredPlaylistToPath(list, utf8path);
freeList(list);
- return 0;
+ return result;
}
-int appendSongToStoredPlaylistByPath(int fd, const char *utf8path, Song *song)
+enum playlist_result
+appendSongToStoredPlaylistByPath(const char *utf8path, Song *song)
{
FILE *file;
char *s;
@@ -292,27 +271,28 @@ int appendSongToStoredPlaylistByPath(int fd, const char *utf8path, Song *song)
char path_max_tmp[MPD_PATH_MAX];
char path_max_tmp2[MPD_PATH_MAX];
- if (!valid_playlist_name(fd, utf8path))
- return -1;
+ if (!is_valid_playlist_name(utf8path))
+ return PLAYLIST_RESULT_BAD_NAME;
utf8_to_fs_playlist_path(path_max_tmp, utf8path);
while (!(file = fopen(path_max_tmp, "a")) && errno == EINTR);
if (file == NULL) {
- commandError(fd, ACK_ERROR_NO_EXIST, "could not open file "
- "\"%s\": %s", path_max_tmp, strerror(errno));
- return -1;
+ int save_errno = errno;
+ while (fclose(file) != 0 && errno == EINTR);
+ errno = save_errno;
+ return PLAYLIST_RESULT_ERRNO;
}
+
if (fstat(fileno(file), &st) < 0) {
- commandError(fd, ACK_ERROR_NO_EXIST, "could not stat file "
- "\"%s\": %s", path_max_tmp, strerror(errno));
+ int save_errno = errno;
while (fclose(file) != 0 && errno == EINTR);
- return -1;
+ errno = save_errno;
+ return PLAYLIST_RESULT_ERRNO;
}
+
if (st.st_size >= ((MPD_PATH_MAX+1) * playlist_max_length)) {
while (fclose(file) != 0 && errno == EINTR);
- commandError(fd, ACK_ERROR_PLAYLIST_MAX,
- "playlist is at the max size");
- return -1;
+ return PLAYLIST_RESULT_TOO_LARGE;
}
s = utf8_to_fs_charset(path_max_tmp2, get_song_url(path_max_tmp, song));
@@ -323,40 +303,31 @@ int appendSongToStoredPlaylistByPath(int fd, const char *utf8path, Song *song)
fprintf(file, "%s\n", s);
while (fclose(file) != 0 && errno == EINTR);
- return 0;
+ return PLAYLIST_RESULT_SUCCESS;
}
-int renameStoredPlaylist(int fd, const char *utf8from, const char *utf8to)
+enum playlist_result
+renameStoredPlaylist(const char *utf8from, const char *utf8to)
{
struct stat st;
char from[MPD_PATH_MAX];
char to[MPD_PATH_MAX];
- if (!valid_playlist_name(fd, utf8from) ||
- !valid_playlist_name(fd, utf8to))
- return -1;
+ if (!is_valid_playlist_name(utf8from) ||
+ !is_valid_playlist_name(utf8to))
+ return PLAYLIST_RESULT_BAD_NAME;
utf8_to_fs_playlist_path(from, utf8from);
utf8_to_fs_playlist_path(to, utf8to);
- if (stat(from, &st) != 0) {
- commandError(fd, ACK_ERROR_NO_EXIST,
- "no playlist named \"%s\"", utf8from);
- return -1;
- }
+ if (stat(from, &st) != 0)
+ return PLAYLIST_RESULT_NO_SUCH_LIST;
- if (stat(to, &st) == 0) {
- commandError(fd, ACK_ERROR_EXIST, "a file or directory "
- "already exists with the name \"%s\"", utf8to);
- return -1;
- }
+ if (stat(to, &st) == 0)
+ return PLAYLIST_RESULT_LIST_EXISTS;
- if (rename(from, to) < 0) {
- commandError(fd, ACK_ERROR_UNKNOWN,
- "could not rename playlist \"%s\" to \"%s\": %s",
- utf8from, utf8to, strerror(errno));
- return -1;
- }
+ if (rename(from, to) < 0)
+ return PLAYLIST_RESULT_ERRNO;
- return 0;
+ return PLAYLIST_RESULT_SUCCESS;
}
diff --git a/src/storedPlaylist.h b/src/storedPlaylist.h
index a7806386b..964669d35 100644
--- a/src/storedPlaylist.h
+++ b/src/storedPlaylist.h
@@ -23,14 +23,21 @@
#include "list.h"
#include "playlist.h"
-List *loadStoredPlaylist(int fd, const char *utf8path);
+List *loadStoredPlaylist(const char *utf8path);
-int moveSongInStoredPlaylistByPath(int fd, const char *utf8path, int src, int dest);
-int removeAllFromStoredPlaylistByPath(int fd, const char *utf8path);
-int removeOneSongFromStoredPlaylistByPath(int fd, const char *utf8path, int pos);
+enum playlist_result
+moveSongInStoredPlaylistByPath(const char *utf8path, int src, int dest);
-int appendSongToStoredPlaylistByPath(int fd, const char *utf8path, Song *song);
+enum playlist_result
+removeAllFromStoredPlaylistByPath(const char *utf8path);
-int renameStoredPlaylist(int fd, const char *utf8from, const char *utf8to);
+enum playlist_result
+removeOneSongFromStoredPlaylistByPath(const char *utf8path, int pos);
+
+enum playlist_result
+appendSongToStoredPlaylistByPath(const char *utf8path, Song *song);
+
+enum playlist_result
+renameStoredPlaylist(const char *utf8from, const char *utf8to);
#endif