main: improve strfsong() error check

diff --git a/src/main.c b/src/main.c
index 72a9362e53e2cee8f3766484e32a9739765b1dfc..a8fb3b36f654a93e4157c46baa594108dbf03153 100644 (file)
--- a/src/main.c
+++ b/src/main.c
@@ -75,17 +75,18 @@ update_xterm_title(void)
        const struct mpd_song *song = mpd->song;
 
        char tmp[BUFSIZE];
+       const char *new_title = NULL;
        if (options.xterm_title_format && mpd->playing && song)
-               strfsong(tmp, BUFSIZE, options.xterm_title_format, song);
-       else
-               *tmp = 0;
+               new_title = strfsong(tmp, BUFSIZE, options.xterm_title_format, song) > 0
+                       ? tmp
+                       : NULL;
 
-       if (*tmp == 0)
-               g_strlcpy(tmp, PACKAGE " version " VERSION, BUFSIZE);
+       if (new_title == NULL)
+               new_title = PACKAGE " version " VERSION;
 
        static char title[BUFSIZE];
-       if (strncmp(title, tmp, BUFSIZE)) {
-               g_strlcpy(title, tmp, BUFSIZE);
+       if (strncmp(title, new_title, BUFSIZE)) {
+               g_strlcpy(title, new_title, BUFSIZE);
                set_xterm_title(title);
        }
 }