fix strtok() related segmentation fault

strtok() may return NULL if the input is an empty string. The playlist parser did not check for that. git-svn-id: https://svn.musicpd.org/mpd/trunk@7200 09075e82-0dd4-0310-85a5-a0d7c8717e4f

fix strtok() related segmentation fault
c9e6201d · Max Kellermann · Eric Wong · c5b524e3 · c9e6201d
Commit c9e6201d authored Mar 26, 2008 by Max Kellermann Committed by Eric Wong Mar 26, 2008
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playlist.c src/playlist.c +4 -1

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--- a/src/playlist.c
+++ b/src/playlist.c
@@ -272,7 +272,10 @@ static void loadPlaylistFromStateFile(FILE *fp, char *buffer,
 	if (!myFgets(buffer, PLAYLIST_BUFFER_SIZE, fp))
 		state_file_fatal();
 	while (strcmp(buffer, PLAYLIST_STATE_FILE_PLAYLIST_END)) {
-		song = atoi(strtok(buffer, ":"));
+		temp = strtok(buffer, ":");
+		if (temp == NULL)
+			state_file_fatal();
+		song = atoi(temp);
 		if (!(temp = strtok(NULL, "")))
 			state_file_fatal();
 		if (!addToPlaylist(STDERR_FILENO, temp, NULL)