Fix mis-merged trackdb_open().

[disorder] / lib / trackdb.c

diff --git a/lib/trackdb.c b/lib/trackdb.c
index 2218078a1706e69b9a6ebd5e0c1c41fdf30201ef..5536b73a2f7e44aebe4c4df5557a8cbe4b615fc5 100644 (file)
--- a/lib/trackdb.c
+++ b/lib/trackdb.c
@@ -157,6 +157,13 @@ DB *trackdb_scheduledb;
  */
 DB *trackdb_usersdb;
 
+/** @brief The playlists database
+ * - Keys are playlist names
+ * - Values are encoded key-value pairs
+ * - Data is user data and cannot be reconstructed
+ */
+DB *trackdb_playlistsdb;
+
 static pid_t db_deadlock_pid = -1;      /* deadlock manager PID */
 static pid_t rescan_pid = -1;           /* rescanner PID */
 static int initialized, opened;         /* state */
@@ -472,7 +479,8 @@ void trackdb_open(int flags) {
   trackdb_noticeddb = open_db("noticed.db",
                              DB_DUPSORT, DB_BTREE, dbflags, 0666);
   trackdb_scheduledb = open_db("schedule.db", 0, DB_HASH, dbflags, 0666);
-  if(!trackdb_existing_database) {
+  trackdb_playlistsdb = open_db("playlists.db", 0, DB_HASH, dbflags, 0666);
+  if(!trackdb_existing_database && !(flags & TRACKDB_READ_ONLY)) {
     /* Stash the database version */
     char buf[32];
 
@@ -503,6 +511,7 @@ void trackdb_close(void) {
   CLOSE("noticed.db", trackdb_noticeddb);
   CLOSE("schedule.db", trackdb_scheduledb);
   CLOSE("users.db", trackdb_usersdb);
+  CLOSE("playlists.db", trackdb_playlistsdb);
   D(("closed databases"));
 }
 
@@ -1400,7 +1409,9 @@ void trackdb_stats_subprocess(ev_source *ev,
   pid = subprogram(ev, p[1], "disorder-stats", (char *)0);
   xclose(p[1]);
   ev_child(ev, pid, 0, stats_finished, d);
-  ev_reader_new(ev, p[0], stats_read, stats_error, d, "disorder-stats reader");
+  if(!ev_reader_new(ev, p[0], stats_read, stats_error, d,
+                    "disorder-stats reader"))
+    fatal(0, "ev_reader_new for disorder-stats reader failed");
 }
 
 /** @brief Parse a track name part preference
@@ -1756,8 +1767,9 @@ int trackdb_request_random(ev_source *ev,
   choose_callback = callback;
   choose_output.nvec = 0;
   choose_complete = 0;
-  ev_reader_new(ev, p[0], choose_readable, choose_read_error, 0,
-                "disorder-choose reader"); /* owns p[0] */
+  if(!ev_reader_new(ev, p[0], choose_readable, choose_read_error, 0,
+                    "disorder-choose reader")) /* owns p[0] */
+    fatal(0, "ev_reader_new for disorder-choose reader failed");
   ev_child(ev, choose_pid, 0, choose_exited, 0); /* owns the subprocess */
   return 0;
 }
@@ -2550,8 +2562,10 @@ static int trusted(const char *user) {
  * Currently we only allow the letters and digits in ASCII.  We could be more
  * liberal than this but it is a nice simple test.  It is critical that
  * semicolons are never allowed.
+ *
+ * NB also used by playlist_parse_name() to validate playlist names!
  */
-static int valid_username(const char *user) {
+int valid_username(const char *user) {
   if(!*user)
     return 0;
   while(*user) {