/* Load M3U file into plist. Return the number of items read. */
static int plist_load_m3u (struct plist *plist, const char *fname,
const char *cwd, const int load_serial)
{
FILE *file;
char *line;
int last_added = -1;
int after_extinf = 0;
int added = 0;
if (!(file = fopen(fname, "r"))) {
error ("Can't open playlist file: %s",
strerror(errno));
return 0;
}
if (flock(fileno(file), LOCK_SH) == -1)
logit ("Can't flock() the playlist file: %s", strerror(errno));
while ((line = read_line(file))) {
if (!strncmp(line, "#EXTINF:", sizeof("#EXTINF:")-1)) {
char *comma;
char *num_err;
char time_text[10] = "";
int time_sec;
if (after_extinf) {
error ("Broken M3U file: double "
"#EXTINF.");
free (line);
plist_delete (plist, last_added);
return added;
}
/* Find the comma */
comma = strchr (line + (sizeof("#EXTINF:") - 1), ',');
if (!comma) {
error ("Broken M3U file: no comma "
"in #EXTINF.");
free (line);
return added;
}
/* Get the time string */
time_text[sizeof(time_text)-1] = 0;
strncpy (time_text, line + sizeof("#EXTINF:") - 1,
MIN(comma - line - (sizeof("#EXTINF:")
- 1), sizeof(time_text)));
if (time_text[sizeof(time_text)-1]) {
error ("Broken M3U file: "
"wrong time.");
free (line);
return added;
}
/* Extract the time */
time_sec = strtol (time_text, &num_err, 10);
if (*num_err) {
error ("Broken M3U file: "
"time is not a number.");
free (line);
return added;
}
after_extinf = 1;
last_added = plist_add (plist, NULL);
plist_set_title_tags (plist, last_added, comma + 1);
if (*time_text)
plist_set_item_time (plist, last_added,
time_sec);
}
else if (line[0] != '#') {
char path[2*PATH_MAX];
strip_string (line);
if (strlen(line) <= PATH_MAX) {
make_path (path, sizeof(path), cwd, line);
if (plist_find_fname(plist, path) == -1) {
if (after_extinf)
plist_set_file (plist,
last_added,
path);
else
plist_add (plist, path);
added++;
}
else if (after_extinf)
plist_delete (plist, last_added);
}
else if (after_extinf)
plist_delete (plist, last_added);
after_extinf = 0;
}
else if (load_serial && !strncmp(line, "#MOCSERIAL: ",
sizeof("#MOCSERIAL: ") - 1)) {
char *serial_str = line + sizeof("#MOCSERIAL: ") - 1;
if (serial_str[0]) {
char *err;
long serial;
serial = strtol (serial_str, &err, 0);
if (!*err) {
plist_set_serial (plist, serial);
logit ("Got MOCSERIAL tag with serial %d",
(int)serial);
}
}
}
free (line);
}
if (flock(fileno(file), LOCK_UN) == -1)
logit ("Can't flock() (unlock) the playlist file: %s",
strerror(errno));
fclose (file);
return added;
}
/* Load M3U file into plist. Return the number of items read. */
static int plist_load_m3u (struct plist *plist, const char *fname,
const char *cwd, const int load_serial)
{
FILE *file;
char *line = NULL;
int last_added = -1;
int after_extinf = 0;
int added = 0;
struct flock read_lock = {.l_type = F_RDLCK, .l_whence = SEEK_SET};
file = fopen (fname, "r");
if (!file) {
error_errno ("Can't open playlist file", errno);
return 0;
}
/* Lock gets released by fclose(). */
if (fcntl (fileno (file), F_SETLKW, &read_lock) == -1)
log_errno ("Can't lock the playlist file", errno);
while ((line = read_line (file))) {
if (!strncmp (line, "#EXTINF:", sizeof("#EXTINF:") - 1)) {
char *comma, *num_err;
char time_text[10] = "";
int time_sec;
if (after_extinf) {
error ("Broken M3U file: double #EXTINF!");
plist_delete (plist, last_added);
goto err;
}
/* Find the comma */
comma = strchr (line + (sizeof("#EXTINF:") - 1), ',');
if (!comma) {
error ("Broken M3U file: no comma in #EXTINF!");
goto err;
}
/* Get the time string */
time_text[sizeof(time_text) - 1] = 0;
strncpy (time_text, line + sizeof("#EXTINF:") - 1,
MIN(comma - line - (sizeof("#EXTINF:") - 1),
sizeof(time_text)));
if (time_text[sizeof(time_text) - 1]) {
error ("Broken M3U file: wrong time!");
goto err;
}
/* Extract the time. */
time_sec = strtol (time_text, &num_err, 10);
if (*num_err) {
error ("Broken M3U file: time is not a number!");
goto err;
}
after_extinf = 1;
last_added = plist_add (plist, NULL);
plist_set_title_tags (plist, last_added, comma + 1);
if (*time_text)
plist_set_item_time (plist, last_added, time_sec);
}
else if (line[0] != '#') {
char path[2 * PATH_MAX];
strip_string (line);
if (strlen (line) <= PATH_MAX) {
make_path (path, sizeof(path), cwd, line);
if (plist_find_fname (plist, path) == -1) {
if (after_extinf)
plist_set_file (plist, last_added, path);
else
plist_add (plist, path);
added += 1;
}
else if (after_extinf)
plist_delete (plist, last_added);
}
else if (after_extinf)
plist_delete (plist, last_added);
after_extinf = 0;
}
else if (load_serial &&
!strncmp (line, "#MOCSERIAL: ", sizeof("#MOCSERIAL: ") - 1)) {
char *serial_str = line + sizeof("#MOCSERIAL: ") - 1;
if (serial_str[0]) {
char *err;
long serial;
serial = strtol (serial_str, &err, 0);
if (!*err) {
plist_set_serial (plist, serial);
logit ("Got MOCSERIAL tag with serial %ld", serial);
}
}
}
free (line);
}
err:
free (line);
fclose (file);
return added;
}
