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authorMax Kellermann <max@duempel.org>2008-03-26 10:37:44 +0000
committerEric Wong <normalperson@yhbt.net>2008-03-26 10:37:44 +0000
commitc5e1bc39e95fb2423146e062c7efade70bac2c8f (patch)
tree49b58e9cd254781dc78e9751db4708e043859813 /src/song.c
parentc9e6201df51dd6063fbdbdacb47cc4b9060597fd (diff)
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fix segmentation fault in song info parser
The database parser does not check whether the song object has been initialized yet, which may lead to a NULL pointer dereference. Add this check. git-svn-id: https://svn.musicpd.org/mpd/trunk@7201 09075e82-0dd4-0310-85a5-a0d7c8717e4f
Diffstat (limited to '')
-rw-r--r--src/song.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/src/song.c b/src/song.c
index aece9d8e8..a8ab4284f 100644
--- a/src/song.c
+++ b/src/song.c
@@ -247,9 +247,11 @@ void readSongInfoIntoList(FILE * fp, SongList * list, Directory * parentDir)
song->url = xstrdup(buffer + strlen(SONG_KEY));
song->type = SONG_TYPE_FILE;
song->parentDir = parentDir;
+ } else if (*buffer == 0) {
+ /* ignore empty lines (starting with '\0') */
+ } else if (song == NULL) {
+ FATAL("Problems reading song info\n");
} else if (0 == strncmp(SONG_FILE, buffer, strlen(SONG_FILE))) {
- if (!song)
- FATAL("Problems reading song info\n");
/* we don't need this info anymore
song->url = xstrdup(&(buffer[strlen(SONG_FILE)]));
*/
@@ -267,8 +269,7 @@ void readSongInfoIntoList(FILE * fp, SongList * list, Directory * parentDir)
} else if (0 == strncmp(SONG_MTIME, buffer, strlen(SONG_MTIME))) {
song->mtime = atoi(&(buffer[strlen(SONG_MTIME)]));
}
- /* ignore empty lines (starting with '\0') */
- else if (*buffer)
+ else
FATAL("songinfo: unknown line in db: %s\n", buffer);
}