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cue_tag: check cd_get_track()!=NULL

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This commit is contained in:
Max Kellermann 2009-12-16 20:55:19 +01:00
parent b89281411f
commit 5649f22322
1 changed files with 5 additions and 3 deletions
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8
src/cue/cue_tag.c
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@ -175,18 +175,20 @@ struct tag *
cue_tag(struct Cd *cd, unsigned tnum)
{
struct tag *cd_tag, *track_tag;
struct Track *track;
assert(cd != NULL);
if (tnum > 256)
track = cd_get_track(cd, tnum);
if (track == NULL)
return NULL;
/* tag from CDtext info */
cd_tag = cue_tag_cd(cd_get_cdtext(cd), cd_get_rem(cd));
/* tag from TRACKtext info */
track_tag = cue_tag_track(track_get_cdtext(cd_get_track(cd, tnum)),
track_get_rem(cd_get_track(cd, tnum)));
track_tag = cue_tag_track(track_get_cdtext(track),
track_get_rem(track));
return cue_tag_merge(cd_tag, track_tag);
}