static enum playlist_result
spl_save(GPtrArray *list, const char *utf8path)
{
FILE *file;
char *path_fs;
assert(utf8path != NULL);
path_fs = map_spl_utf8_to_fs(utf8path);
if (path_fs == NULL)
return PLAYLIST_RESULT_DISABLED;
while (!(file = fopen(path_fs, "w")) && errno == EINTR);
g_free(path_fs);
if (file == NULL)
return PLAYLIST_RESULT_ERRNO;
for (unsigned i = 0; i < list->len; ++i) {
const char *uri = g_ptr_array_index(list, i);
playlist_print_uri(file, uri);
}
while (fclose(file) != 0 && errno == EINTR);
return PLAYLIST_RESULT_SUCCESS;
}
enum playlist_result
spl_save_queue(const char *name_utf8, const struct queue *queue)
{
char *path_fs;
FILE *file;
if (map_spl_path() == NULL)
return PLAYLIST_RESULT_DISABLED;
if (!spl_valid_name(name_utf8))
return PLAYLIST_RESULT_BAD_NAME;
path_fs = map_spl_utf8_to_fs(name_utf8);
if (path_fs == NULL)
return PLAYLIST_RESULT_BAD_NAME;
if (g_file_test(path_fs, G_FILE_TEST_EXISTS)) {
g_free(path_fs);
return PLAYLIST_RESULT_LIST_EXISTS;
}
file = fopen(path_fs, "w");
g_free(path_fs);
if (file == NULL)
return PLAYLIST_RESULT_ERRNO;
for (unsigned i = 0; i < queue_length(queue); i++)
playlist_print_song(file, queue_get(queue, i));
fclose(file);
idle_add(IDLE_STORED_PLAYLIST);
return PLAYLIST_RESULT_SUCCESS;
}
GPtrArray *
spl_load(const char *utf8path)
{
FILE *file;
GPtrArray *list;
char buffer[MPD_PATH_MAX];
char *path_fs;
if (!spl_valid_name(utf8path))
return NULL;
path_fs = map_spl_utf8_to_fs(utf8path);
if (path_fs == NULL)
return NULL;
while (!(file = fopen(path_fs, "r")) && errno == EINTR);
g_free(path_fs);
if (file == NULL)
return NULL;
list = g_ptr_array_new();
while (fgets(buffer, sizeof(buffer), file)) {
char *s = buffer;
if (*s == PLAYLIST_COMMENT)
continue;
g_strchomp(buffer);
if (!uri_has_scheme(s)) {
char *path_utf8;
struct song *song;
path_utf8 = map_fs_to_utf8(s);
if (path_utf8 == NULL)
continue;
song = db_get_song(path_utf8);
g_free(path_utf8);
if (song == NULL)
continue;
s = song_get_uri(song);
} else
s = g_strdup(s);
g_ptr_array_add(list, s);
if (list->len >= playlist_max_length)
break;
}
while (fclose(file) && errno == EINTR);
return list;
}
enum playlist_result
spl_rename(const char *utf8from, const char *utf8to)
{
char *from_path_fs, *to_path_fs;
static enum playlist_result ret;
if (!spl_valid_name(utf8from) || !spl_valid_name(utf8to))
return PLAYLIST_RESULT_BAD_NAME;
from_path_fs = map_spl_utf8_to_fs(utf8from);
to_path_fs = map_spl_utf8_to_fs(utf8to);
if (from_path_fs != NULL && to_path_fs != NULL)
ret = spl_rename_internal(from_path_fs, to_path_fs);
else
ret = PLAYLIST_RESULT_DISABLED;
g_free(from_path_fs);
g_free(to_path_fs);
return ret;
}
static char *
spl_map_to_fs(const char *name_utf8, GError **error_r)
{
if (spl_map(error_r) == NULL ||
!spl_check_name(name_utf8, error_r))
return NULL;
char *path_fs = map_spl_utf8_to_fs(name_utf8);
if (path_fs == NULL)
g_set_error_literal(error_r, playlist_quark(),
PLAYLIST_RESULT_BAD_NAME,
"Bad playlist name");
return path_fs;
}
enum playlist_result
spl_append_song(const char *utf8path, struct song *song)
{
FILE *file;
struct stat st;
char *path_fs;
if (!spl_valid_name(utf8path))
return PLAYLIST_RESULT_BAD_NAME;
path_fs = map_spl_utf8_to_fs(utf8path);
if (path_fs == NULL)
return PLAYLIST_RESULT_DISABLED;
while (!(file = fopen(path_fs, "a")) && errno == EINTR);
g_free(path_fs);
if (file == NULL) {
int save_errno = errno;
while (fclose(file) != 0 && errno == EINTR);
errno = save_errno;
return PLAYLIST_RESULT_ERRNO;
}
if (fstat(fileno(file), &st) < 0) {
int save_errno = errno;
while (fclose(file) != 0 && errno == EINTR);
errno = save_errno;
return PLAYLIST_RESULT_ERRNO;
}
if (st.st_size / (MPD_PATH_MAX + 1) >= (off_t)playlist_max_length) {
while (fclose(file) != 0 && errno == EINTR);
return PLAYLIST_RESULT_TOO_LARGE;
}
playlist_print_song(file, song);
while (fclose(file) != 0 && errno == EINTR);
idle_add(IDLE_STORED_PLAYLIST);
return PLAYLIST_RESULT_SUCCESS;
}
enum playlist_result
spl_delete(const char *name_utf8)
{
char *path_fs;
int ret;
path_fs = map_spl_utf8_to_fs(name_utf8);
if (path_fs == NULL)
return PLAYLIST_RESULT_DISABLED;
ret = unlink(path_fs);
g_free(path_fs);
if (ret < 0)
return errno == ENOENT
? PLAYLIST_RESULT_NO_SUCH_LIST
: PLAYLIST_RESULT_ERRNO;
idle_add(IDLE_STORED_PLAYLIST);
return PLAYLIST_RESULT_SUCCESS;
}
enum playlist_result
spl_clear(const char *utf8path)
{
char *path_fs;
FILE *file;
if (!spl_valid_name(utf8path))
return PLAYLIST_RESULT_BAD_NAME;
path_fs = map_spl_utf8_to_fs(utf8path);
if (path_fs == NULL)
return PLAYLIST_RESULT_DISABLED;
while (!(file = fopen(path_fs, "w")) && errno == EINTR);
g_free(path_fs);
if (file == NULL)
return PLAYLIST_RESULT_ERRNO;
while (fclose(file) != 0 && errno == EINTR);
idle_add(IDLE_STORED_PLAYLIST);
return PLAYLIST_RESULT_SUCCESS;
}
