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authorMax Kellermann <max@duempel.org>2008-10-22 21:41:49 +0200
committerMax Kellermann <max@duempel.org>2008-10-22 21:41:49 +0200
commitd4f3c09081179cbe2b55a52549318949c5ede9e5 (patch)
treea7014a2d41cd69a78245531b08ee9f843c179646 /src
parentd11ee6580c2e61b67983e5378be62dde63cae25c (diff)
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mpd-d4f3c09081179cbe2b55a52549318949c5ede9e5.tar.xz
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command: converted COMMAND_RETURN_* macros to enum
Also add names for "error" and "ok". I don't like passing anonymous integer codes around. This is not yet complete: lots of functions (e.g. in playlist.c) follow the same convention of -1/0, and these have to be adapted, too.
Diffstat (limited to 'src')
-rw-r--r--src/command.c328
-rw-r--r--src/command.h13
2 files changed, 173 insertions, 168 deletions
diff --git a/src/command.c b/src/command.c
index acaeea986..a62d07ff9 100644
--- a/src/command.c
+++ b/src/command.c
@@ -70,7 +70,7 @@ struct command {
unsigned permission;
int min;
int max;
- int (*handler)(struct client *client, int argc, char **argv);
+ enum command_return (*handler)(struct client *client, int argc, char **argv);
};
/* this should really be "need a non-negative integer": */
@@ -147,57 +147,58 @@ static int mpd_fprintf__ check_int(struct client *client, int *dst,
return 0;
}
-static int print_playlist_result(struct client *client,
- enum playlist_result result)
+static enum command_return
+print_playlist_result(struct client *client,
+ enum playlist_result result)
{
switch (result) {
case PLAYLIST_RESULT_SUCCESS:
- return 0;
+ return COMMAND_RETURN_OK;
case PLAYLIST_RESULT_ERRNO:
command_error(client, ACK_ERROR_SYSTEM, strerror(errno));
- return -1;
+ return COMMAND_RETURN_ERROR;
case PLAYLIST_RESULT_DENIED:
command_error(client, ACK_ERROR_NO_EXIST, "Access denied");
- return -1;
+ return COMMAND_RETURN_ERROR;
case PLAYLIST_RESULT_NO_SUCH_SONG:
command_error(client, ACK_ERROR_NO_EXIST, "No such song");
- return -1;
+ return COMMAND_RETURN_ERROR;
case PLAYLIST_RESULT_NO_SUCH_LIST:
command_error(client, ACK_ERROR_NO_EXIST, "No such playlist");
- return -1;
+ return COMMAND_RETURN_ERROR;
case PLAYLIST_RESULT_LIST_EXISTS:
command_error(client, ACK_ERROR_EXIST,
"Playlist already exists");
- return -1;
+ return COMMAND_RETURN_ERROR;
case PLAYLIST_RESULT_BAD_NAME:
command_error(client, ACK_ERROR_ARG,
"playlist name is invalid: "
"playlist names may not contain slashes,"
" newlines or carriage returns");
- return -1;
+ return COMMAND_RETURN_ERROR;
case PLAYLIST_RESULT_BAD_RANGE:
command_error(client, ACK_ERROR_ARG, "Bad song index");
- return -1;
+ return COMMAND_RETURN_ERROR;
case PLAYLIST_RESULT_NOT_PLAYING:
command_error(client, ACK_ERROR_PLAYER_SYNC, "Not playing");
- return -1;
+ return COMMAND_RETURN_ERROR;
case PLAYLIST_RESULT_TOO_LARGE:
command_error(client, ACK_ERROR_PLAYLIST_MAX,
"playlist is at the max size");
- return -1;
+ return COMMAND_RETURN_ERROR;
}
assert(0);
- return -1;
+ return COMMAND_RETURN_ERROR;
}
static void
@@ -219,7 +220,7 @@ print_spl_list(struct client *client, GPtrArray *list)
}
}
-static int
+static enum command_return
handle_urlhandlers(struct client *client,
mpd_unused int argc, mpd_unused char *argv[])
{
@@ -228,48 +229,48 @@ handle_urlhandlers(struct client *client,
return printRemoteUrlHandlers(client);
}
-static int
+static enum command_return
handle_tagtypes(struct client *client,
mpd_unused int argc, mpd_unused char *argv[])
{
tag_print_types(client);
- return 0;
+ return COMMAND_RETURN_OK;
}
-static int
+static enum command_return
handle_play(struct client *client, int argc, char *argv[])
{
int song = -1;
enum playlist_result result;
if (argc == 2 && check_int(client, &song, argv[1], need_positive) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
result = playPlaylist(song, 0);
return print_playlist_result(client, result);
}
-static int
+static enum command_return
handle_playid(struct client *client, int argc, char *argv[])
{
int id = -1;
enum playlist_result result;
if (argc == 2 && check_int(client, &id, argv[1], need_positive) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
result = playPlaylistById(id, 0);
return print_playlist_result(client, result);
}
-static int
+static enum command_return
handle_stop(mpd_unused struct client *client,
mpd_unused int argc, mpd_unused char *argv[])
{
stopPlaylist();
- return 0;
+ return COMMAND_RETURN_OK;
}
-static int
+static enum command_return
handle_currentsong(struct client *client,
mpd_unused int argc, mpd_unused char *argv[])
{
@@ -277,29 +278,29 @@ handle_currentsong(struct client *client,
enum playlist_result result;
if (song < 0)
- return 0;
+ return COMMAND_RETURN_OK;
result = playlistInfo(client, song);
return print_playlist_result(client, result);
}
-static int
+static enum command_return
handle_pause(struct client *client,
int argc, char *argv[])
{
if (argc == 2) {
int pause_flag;
if (check_int(client, &pause_flag, argv[1], check_boolean, argv[1]) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
playerSetPause(pause_flag);
- return 0;
+ return COMMAND_RETURN_OK;
}
playerPause();
- return 0;
+ return COMMAND_RETURN_OK;
}
-static int
+static enum command_return
handle_status(struct client *client,
mpd_unused int argc, mpd_unused char *argv[])
{
@@ -367,24 +368,24 @@ handle_status(struct client *client,
getPlayerErrorStr());
}
- return 0;
+ return COMMAND_RETURN_OK;
}
-static int
+static enum command_return
handle_kill(mpd_unused struct client *client,
mpd_unused int argc, mpd_unused char *argv[])
{
return COMMAND_RETURN_KILL;
}
-static int
+static enum command_return
handle_close(mpd_unused struct client *client,
mpd_unused int argc, mpd_unused char *argv[])
{
return COMMAND_RETURN_CLOSE;
}
-static int
+static enum command_return
handle_add(struct client *client, mpd_unused int argc, char *argv[])
{
char *path = argv[1];
@@ -403,13 +404,13 @@ handle_add(struct client *client, mpd_unused int argc, char *argv[])
if (result == (enum playlist_result)-1) {
command_error(client, ACK_ERROR_NO_EXIST,
"directory or file not found");
- return -1;
+ return COMMAND_RETURN_ERROR;
}
return print_playlist_result(client, result);
}
-static int
+static enum command_return
handle_addid(struct client *client, int argc, char *argv[])
{
int added_id;
@@ -429,10 +430,11 @@ handle_addid(struct client *client, int argc, char *argv[])
int to;
if (check_int(client, &to, argv[2],
check_integer, argv[2]) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
result = moveSongInPlaylistById(added_id, to);
if (result != PLAYLIST_RESULT_SUCCESS) {
- int ret = print_playlist_result(client, result);
+ enum command_return ret =
+ print_playlist_result(client, result);
deleteFromPlaylistById(added_id);
return ret;
}
@@ -442,57 +444,57 @@ handle_addid(struct client *client, int argc, char *argv[])
return result;
}
-static int
+static enum command_return
handle_delete(struct client *client, mpd_unused int argc, char *argv[])
{
int song;
enum playlist_result result;
if (check_int(client, &song, argv[1], need_positive) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
result = deleteFromPlaylist(song);
return print_playlist_result(client, result);
}
-static int
+static enum command_return
handle_deleteid(struct client *client, mpd_unused int argc, char *argv[])
{
int id;
enum playlist_result result;
if (check_int(client, &id, argv[1], need_positive) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
result = deleteFromPlaylistById(id);
return print_playlist_result(client, result);
}
-static int
+static enum command_return
handle_playlist(struct client *client,
mpd_unused int argc, mpd_unused char *argv[])
{
showPlaylist(client);
- return 0;
+ return COMMAND_RETURN_OK;
}
-static int
+static enum command_return
handle_shuffle(mpd_unused struct client *client,
mpd_unused int argc, mpd_unused char *argv[])
{
shufflePlaylist();
- return 0;
+ return COMMAND_RETURN_OK;
}
-static int
+static enum command_return
handle_clear(mpd_unused struct client *client,
mpd_unused int argc, mpd_unused char *argv[])
{
clearPlaylist();
- return 0;
+ return COMMAND_RETURN_OK;
}
-static int
+static enum command_return
handle_save(struct client *client,
mpd_unused int argc, char *argv[])
{
@@ -502,7 +504,7 @@ handle_save(struct client *client,
return print_playlist_result(client, result);
}
-static int
+static enum command_return
handle_load(struct client *client, mpd_unused int argc, char *argv[])
{
enum playlist_result result;
@@ -511,7 +513,7 @@ handle_load(struct client *client, mpd_unused int argc, char *argv[])
return print_playlist_result(client, result);
}
-static int
+static enum command_return
handle_listplaylist(struct client *client, mpd_unused int argc, char *argv[])
{
int ret;
@@ -523,7 +525,7 @@ handle_listplaylist(struct client *client, mpd_unused int argc, char *argv[])
return ret;
}
-static int
+static enum command_return
handle_listplaylistinfo(struct client *client,
mpd_unused int argc, char *argv[])
{
@@ -536,7 +538,7 @@ handle_listplaylistinfo(struct client *client,
return ret;
}
-static int
+static enum command_return
handle_lsinfo(struct client *client, int argc, char *argv[])
{
const char *path = "";
@@ -549,7 +551,7 @@ handle_lsinfo(struct client *client, int argc, char *argv[])
if (directory == NULL) {
command_error(client, ACK_ERROR_NO_EXIST,
"directory not found");
- return -1;
+ return COMMAND_RETURN_ERROR;
}
directory_print(client, directory);
@@ -562,10 +564,10 @@ handle_lsinfo(struct client *client, int argc, char *argv[])
}
}
- return 0;
+ return COMMAND_RETURN_OK;
}
-static int
+static enum command_return
handle_rm(struct client *client, mpd_unused int argc, char *argv[])
{
enum playlist_result result;
@@ -574,7 +576,7 @@ handle_rm(struct client *client, mpd_unused int argc, char *argv[])
return print_playlist_result(client, result);
}
-static int
+static enum command_return
handle_rename(struct client *client, mpd_unused int argc, char *argv[])
{
enum playlist_result result;
@@ -583,53 +585,53 @@ handle_rename(struct client *client, mpd_unused int argc, char *argv[])
return print_playlist_result(client, result);
}
-static int
+static enum command_return
handle_plchanges(struct client *client, mpd_unused int argc, char *argv[])
{
uint32_t version;
if (check_uint32(client, &version, argv[1], need_positive) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
return playlistChanges(client, version);
}
-static int
+static enum command_return
handle_plchangesposid(struct client *client, mpd_unused int argc, char *argv[])
{
uint32_t version;
if (check_uint32(client, &version, argv[1], need_positive) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
return playlistChangesPosId(client, version);
}
-static int
+static enum command_return
handle_playlistinfo(struct client *client, int argc, char *argv[])
{
int song = -1;
enum playlist_result result;
if (argc == 2 && check_int(client, &song, argv[1], need_positive) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
result = playlistInfo(client, song);
return print_playlist_result(client, result);
}
-static int
+static enum command_return
handle_playlistid(struct client *client, int argc, char *argv[])
{
int id = -1;
enum playlist_result result;
if (argc == 2 && check_int(client, &id, argv[1], need_positive) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
result = playlistId(client, id);
return print_playlist_result(client, result);
}
-static int
+static enum command_return
handle_find(struct client *client, int argc, char *argv[])
{
int ret;
@@ -641,7 +643,7 @@ handle_find(struct client *client, int argc, char *argv[])
if (numItems <= 0) {
command_error(client, ACK_ERROR_ARG, "incorrect arguments");
- return -1;
+ return COMMAND_RETURN_ERROR;
}
ret = findSongsIn(client, NULL, numItems, items);
@@ -654,7 +656,7 @@ handle_find(struct client *client, int argc, char *argv[])
return ret;
}
-static int
+static enum command_return
handle_search(struct client *client, int argc, char *argv[])
{
int ret;
@@ -666,7 +668,7 @@ handle_search(struct client *client, int argc, char *argv[])
if (numItems <= 0) {
command_error(client, ACK_ERROR_ARG, "incorrect arguments");
- return -1;
+ return COMMAND_RETURN_ERROR;
}
ret = searchForSongsIn(client, NULL, numItems, items);
@@ -679,7 +681,7 @@ handle_search(struct client *client, int argc, char *argv[])
return ret;
}
-static int
+static enum command_return
handle_count(struct client *client, int argc, char *argv[])
{
int ret;
@@ -691,7 +693,7 @@ handle_count(struct client *client, int argc, char *argv[])
if (numItems <= 0) {
command_error(client, ACK_ERROR_ARG, "incorrect arguments");
- return -1;
+ return COMMAND_RETURN_ERROR;
}
ret = searchStatsForSongsIn(client, NULL, numItems, items);
@@ -704,7 +706,7 @@ handle_count(struct client *client, int argc, char *argv[])
return ret;
}
-static int
+static enum command_return
handle_playlistfind(struct client *client, int argc, char *argv[])
{
LocateTagItem *items;
@@ -714,17 +716,17 @@ handle_playlistfind(struct client *client, int argc, char *argv[])
if (numItems <= 0) {
command_error(client, ACK_ERROR_ARG, "incorrect arguments");
- return -1;
+ return COMMAND_RETURN_ERROR;
}
findSongsInPlaylist(client, numItems, items);
freeLocateTagItemArray(numItems, items);
- return 0;
+ return COMMAND_RETURN_OK;
}
-static int
+static enum command_return
handle_playlistsearch(struct client *client, int argc, char *argv[])
{
LocateTagItem *items;
@@ -734,17 +736,17 @@ handle_playlistsearch(struct client *client, int argc, char *argv[])
if (numItems <= 0) {
command_error(client, ACK_ERROR_ARG, "incorrect arguments");
- return -1;
+ return COMMAND_RETURN_ERROR;
}
searchForSongsInPlaylist(client, numItems, items);
freeLocateTagItemArray(numItems, items);
- return 0;
+ return COMMAND_RETURN_OK;
}
-static int
+static enum command_return
handle_playlistdelete(struct client *client,
mpd_unused int argc, char *argv[]) {
char *playlist = argv[1];
@@ -752,13 +754,13 @@ handle_playlistdelete(struct client *client,
enum playlist_result result;
if (check_int(client, &from, argv[2], check_integer, argv[2]) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
result = spl_remove_index(playlist, from);
return print_playlist_result(client, result);
}
-static int
+static enum command_return
handle_playlistmove(struct client *client, mpd_unused int argc, char *argv[])
{
char *playlist = argv[1];
@@ -766,15 +768,15 @@ handle_playlistmove(struct client *client, mpd_unused int argc, char *argv[])
enum playlist_result result;
if (check_int(client, &from, argv[2], check_integer, argv[2]) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
if (check_int(client, &to, argv[3], check_integer, argv[3]) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
result = spl_move_index(playlist, from, to);
return print_playlist_result(client, result);
}
-static int
+static enum command_return
handle_update(struct client *client, mpd_unused int argc, char *argv[])
{
char *path = NULL;
@@ -783,37 +785,37 @@ handle_update(struct client *client, mpd_unused int argc, char *argv[])
assert(argc <= 2);
if (argc == 2 && !(path = sanitizePathDup(argv[1]))) {
command_error(client, ACK_ERROR_ARG, "invalid path");
- return -1;
+ return COMMAND_RETURN_ERROR;
}
ret = directory_update_init(path);
if (ret > 0) {
client_printf(client, "updating_db: %i\n", ret);
- return 0;
+ return COMMAND_RETURN_OK;
} else {
command_error(client, ACK_ERROR_UPDATE_ALREADY,
"already updating");
- return -1;
+ return COMMAND_RETURN_ERROR;
}
}
-static int
+static enum command_return
handle_next(mpd_unused struct client *client,
mpd_unused int argc, mpd_unused char *argv[])
{
nextSongInPlaylist();
- return 0;
+ return COMMAND_RETURN_OK;
}
-static int
+static enum command_return
handle_previous(mpd_unused struct client *client,
mpd_unused int argc, mpd_unused char *argv[])
{
previousSongInPlaylist();
- return 0;
+ return COMMAND_RETURN_OK;
}
-static int
+static enum command_return
handle_listall(struct client *client, mpd_unused int argc, char *argv[])
{
char *directory = NULL;
@@ -830,13 +832,13 @@ handle_listall(struct client *client, mpd_unused int argc, char *argv[])
return ret;
}
-static int
+static enum command_return
handle_volume(struct client *client, mpd_unused int argc, char *argv[])
{
int change, ret;
if (check_int(client, &change, argv[1], need_integer) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
ret = changeVolumeLevel(change, 1);
if (ret == -1)
@@ -846,13 +848,13 @@ handle_volume(struct client *client, mpd_unused int argc, char *argv[])
return ret;
}
-static int
+static enum command_return
handle_setvol(struct client *client, mpd_unused int argc, char *argv[])
{
int level, ret;
if (check_int(client, &level, argv[1], need_integer) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
ret = changeVolumeLevel(level, 0);
if (ret == -1)
@@ -862,58 +864,58 @@ handle_setvol(struct client *client, mpd_unused int argc, char *argv[])
return ret;
}
-static int
+static enum command_return
handle_repeat(struct client *client, mpd_unused int argc, char *argv[])
{
int status;
if (check_int(client, &status, argv[1], need_integer) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
if (status != 0 && status != 1) {
command_error(client, ACK_ERROR_ARG,
"\"%i\" is not 0 or 1", status);
- return -1;
+ return COMMAND_RETURN_ERROR;
}
setPlaylistRepeatStatus(status);
- return 0;
+ return COMMAND_RETURN_OK;
}
-static int
+static enum command_return
handle_random(struct client *client, mpd_unused int argc, char *argv[])
{
int status;
if (check_int(client, &status, argv[1], need_integer) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
if (status != 0 && status != 1) {
command_error(client, ACK_ERROR_ARG,
"\"%i\" is not 0 or 1", status);
- return -1;
+ return COMMAND_RETURN_ERROR;
}
setPlaylistRandomStatus(status);
- return 0;
+ return COMMAND_RETURN_OK;
}
-static int
+static enum command_return
handle_stats(struct client *client,
mpd_unused int argc, mpd_unused char *argv[])
{
return printStats(client);
}
-static int
+static enum command_return
handle_clearerror(mpd_unused struct client *client,
mpd_unused int argc, mpd_unused char *argv[])
{
clearPlayerError();
- return 0;
+ return COMMAND_RETURN_OK;
}
-static int
+static enum command_return
handle_list(struct client *client, int argc, char *argv[])
{
int numConditionals;
@@ -923,13 +925,13 @@ handle_list(struct client *client, int argc, char *argv[])
if (tagType < 0) {
command_error(client, ACK_ERROR_ARG, "\"%s\" is not known", argv[1]);
- return -1;
+ return COMMAND_RETURN_ERROR;
}
if (tagType == LOCATE_TAG_ANY_TYPE) {
command_error(client, ACK_ERROR_ARG,
"\"any\" is not a valid return tag type");
- return -1;
+ return COMMAND_RETURN_ERROR;
}
/* for compatibility with < 0.12.0 */
@@ -938,7 +940,7 @@ handle_list(struct client *client, int argc, char *argv[])
command_error(client, ACK_ERROR_ARG,
"should be \"%s\" for 3 arguments",
mpdTagItemKeys[TAG_ITEM_ALBUM]);
- return -1;
+ return COMMAND_RETURN_ERROR;
}
conditionals = newLocateTagItem(mpdTagItemKeys[TAG_ITEM_ARTIST],
argv[2]);
@@ -951,7 +953,7 @@ handle_list(struct client *client, int argc, char *argv[])
if (numConditionals < 0) {
command_error(client, ACK_ERROR_ARG,
"not able to parse args");
- return -1;
+ return COMMAND_RETURN_ERROR;
}
}
@@ -967,93 +969,93 @@ handle_list(struct client *client, int argc, char *argv[])
return ret;
}
-static int
+static enum command_return
handle_move(struct client *client, mpd_unused int argc, char *argv[])
{
int from, to;
enum playlist_result result;
if (check_int(client, &from, argv[1], check_integer, argv[1]) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
if (check_int(client, &to, argv[2], check_integer, argv[2]) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
result = moveSongInPlaylist(from, to);
return print_playlist_result(client, result);
}
-static int
+static enum command_return
handle_moveid(struct client *client, mpd_unused int argc, char *argv[])
{
int id, to;
enum playlist_result result;
if (check_int(client, &id, argv[1], check_integer, argv[1]) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
if (check_int(client, &to, argv[2], check_integer, argv[2]) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
result = moveSongInPlaylistById(id, to);
return print_playlist_result(client, result);
}
-static int
+static enum command_return
handle_swap(struct client *client, mpd_unused int argc, char *argv[])
{
int song1, song2;
enum playlist_result result;
if (check_int(client, &song1, argv[1], check_integer, argv[1]) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
if (check_int(client, &song2, argv[2], check_integer, argv[2]) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
result = swapSongsInPlaylist(song1, song2);
return print_playlist_result(client, result);
}
-static int
+static enum command_return
handle_swapid(struct client *client, mpd_unused int argc, char *argv[])
{
int id1, id2;
enum playlist_result result;
if (check_int(client, &id1, argv[1], check_integer, argv[1]) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
if (check_int(client, &id2, argv[2], check_integer, argv[2]) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
result = swapSongsInPlaylistById(id1, id2);
return print_playlist_result(client, result);
}
-static int
+static enum command_return
handle_seek(struct client *client, mpd_unused int argc, char *argv[])
{
int song, seek_time;
enum playlist_result result;
if (check_int(client, &song, argv[1], check_integer, argv[1]) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
if (check_int(client, &seek_time, argv[2], check_integer, argv[2]) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
result = seekSongInPlaylist(song, seek_time);
return print_playlist_result(client, result);
}
-static int
+static enum command_return
handle_seekid(struct client *client, mpd_unused int argc, char *argv[])
{
int id, seek_time;
enum playlist_result result;
if (check_int(client, &id, argv[1], check_integer, argv[1]) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
if (check_int(client, &seek_time, argv[2], check_integer, argv[2]) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
result = seekSongInPlaylistById(id, seek_time);
return print_playlist_result(client, result);
}
-static int
+static enum command_return
handle_listallinfo(struct client *client, mpd_unused int argc, char *argv[])
{
char *directory = NULL;
@@ -1070,47 +1072,47 @@ handle_listallinfo(struct client *client, mpd_unused int argc, char *argv[])
return ret;
}
-static int
+static enum command_return
handle_ping(mpd_unused struct client *client,
mpd_unused int argc, mpd_unused char *argv[])
{
- return 0;
+ return COMMAND_RETURN_OK;
}
-static int
+static enum command_return
handle_password(struct client *client, mpd_unused int argc, char *argv[])
{
unsigned permission = 0;
if (getPermissionFromPassword(argv[1], &permission) < 0) {
command_error(client, ACK_ERROR_PASSWORD, "incorrect password");
- return -1;
+ return COMMAND_RETURN_ERROR;
}
client_set_permission(client, permission);
- return 0;
+ return COMMAND_RETURN_OK;
}
-static int
+static enum command_return
handle_crossfade(struct client *client, mpd_unused int argc, char *argv[])
{
int xfade_time;
if (check_int(client, &xfade_time, argv[1], check_non_negative, argv[1]) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
setPlayerCrossFade(xfade_time);
- return 0;
+ return COMMAND_RETURN_OK;
}
-static int
+static enum command_return
handle_enableoutput(struct client *client, mpd_unused int argc, char *argv[])
{
int device, ret;
if (check_int(client, &device, argv[1], check_non_negative, argv[1]) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
ret = enableAudioDevice(device);
if (ret == -1)
@@ -1120,13 +1122,13 @@ handle_enableoutput(struct client *client, mpd_unused int argc, char *argv[])
return ret;
}
-static int
+static enum command_return
handle_disableoutput(struct client *client, mpd_unused int argc, char *argv[])
{
int device, ret;
if (check_int(client, &device, argv[1], check_non_negative, argv[1]) < 0)
- return -1;
+ return COMMAND_RETURN_ERROR;
ret = disableAudioDevice(device);
if (ret == -1)
@@ -1136,25 +1138,25 @@ handle_disableoutput(struct client *client, mpd_unused int argc, char *argv[])
return ret;
}
-static int
+static enum command_return
handle_devices(struct client *client,
mpd_unused int argc, mpd_unused char *argv[])
{
printAudioDevices(client);
- return 0;
+ return COMMAND_RETURN_OK;
}
/* don't be fooled, this is the command handler for "commands" command */
-static int
+static enum command_return
handle_commands(struct client *client,
mpd_unused int argc, mpd_unused char *argv[]);
-static int
+static enum command_return
handle_not_commands(struct client *client,
mpd_unused int argc, mpd_unused char *argv[]);
-static int
+static enum command_return
handle_playlistclear(struct client *client, mpd_unused int argc, char *argv[])
{
enum playlist_result result;
@@ -1163,7 +1165,7 @@ handle_playlistclear(struct client *client, mpd_unused int argc, char *argv[])
return print_playlist_result(client, result);
}
-static int
+static enum command_return
handle_playlistadd(struct client *client, mpd_unused int argc, char *argv[])
{
char *playlist = argv[1];
@@ -1178,13 +1180,13 @@ handle_playlistadd(struct client *client, mpd_unused int argc, char *argv[])
if (result == (enum playlist_result)-1) {
command_error(client, ACK_ERROR_NO_EXIST,
"directory or file not found");
- return -1;
+ return COMMAND_RETURN_ERROR;
}
return print_playlist_result(client, result);
}
-static int
+static enum command_return
handle_listplaylists(struct client *client,
mpd_unused int argc, mpd_unused char *argv[])
{
@@ -1192,15 +1194,15 @@ handle_listplaylists(struct client *client,
if (list == NULL) {
command_error(client, ACK_ERROR_SYSTEM,
"failed to get list of stored playlists");
- return -1;
+ return COMMAND_RETURN_ERROR;
}
print_spl_list(client, list);
spl_list_free(list);
- return 0;
+ return COMMAND_RETURN_OK;
}
-static int
+static enum command_return
handle_idle(struct client *client,
mpd_unused int argc, mpd_unused char *argv[])
{
@@ -1287,7 +1289,7 @@ static const struct command commands[] = {
static const unsigned num_commands = sizeof(commands) / sizeof(commands[0]);
/* don't be fooled, this is the command handler for "commands" command */
-static int
+static enum command_return
handle_commands(struct client *client,
mpd_unused int argc, mpd_unused char *argv[])
{
@@ -1301,10 +1303,10 @@ handle_commands(struct client *client,
client_printf(client, "command: %s\n", cmd->cmd);
}
- return 0;
+ return COMMAND_RETURN_OK;
}
-static int
+static enum command_return
handle_not_commands(struct client *client,
mpd_unused int argc, mpd_unused char *argv[])
{
@@ -1318,7 +1320,7 @@ handle_not_commands(struct client *client,
client_printf(client, "command: %s\n", cmd->cmd);
}
- return 0;
+ return COMMAND_RETURN_OK;
}
void command_init(void)
@@ -1422,16 +1424,16 @@ command_checked_lookup(struct client *client, unsigned permission,
return cmd;
}
-int
+enum command_return
command_process(struct client *client, char *commandString)
{
int argc;
char *argv[COMMAND_ARGV_MAX] = { NULL };
const struct command *cmd;
- int ret = -1;
+ enum command_return ret = COMMAND_RETURN_ERROR;
if (!(argc = buffer2array(commandString, argv, COMMAND_ARGV_MAX)))
- return 0;
+ return COMMAND_RETURN_OK;
cmd = command_checked_lookup(client, client_get_permission(client),
argc, argv);
@@ -1443,12 +1445,12 @@ command_process(struct client *client, char *commandString)
return ret;
}
-int
+enum command_return
command_process_list(struct client *client,
int list_ok, struct strnode *list)
{
struct strnode *cur = list;
- int ret = 0;
+ enum command_return ret = COMMAND_RETURN_OK;
command_list_num = 0;
@@ -1457,7 +1459,7 @@ command_process_list(struct client *client,
cur->data);
ret = command_process(client, cur->data);
DEBUG("command_process_list: command returned %i\n", ret);
- if (ret != 0 || client_is_expired(client))
+ if (ret != COMMAND_RETURN_OK || client_is_expired(client))
break;
else if (list_ok)
client_puts(client, "list_OK\n");
diff --git a/src/command.h b/src/command.h
index bae804d3f..441b1685d 100644
--- a/src/command.h
+++ b/src/command.h
@@ -23,9 +23,12 @@
#include "sllist.h"
#include "ack.h"
-#define COMMAND_RETURN_KILL 10
-#define COMMAND_RETURN_CLOSE 20
-#define COMMAND_MASTER_READY 30
+enum command_return {
+ COMMAND_RETURN_ERROR = -1,
+ COMMAND_RETURN_OK = 0,
+ COMMAND_RETURN_KILL = 10,
+ COMMAND_RETURN_CLOSE = 20,
+};
struct client;
@@ -33,11 +36,11 @@ void command_init(void);
void command_finish(void);
-int
+enum command_return
command_process_list(struct client *client,
int list_ok, struct strnode *list);
-int
+enum command_return
command_process(struct client *client, char *commandString);
void command_success(struct client *client);