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FS#13497: '0' is sometimes a valid track number

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Most notably for CD rips that use a track number of 0 for
the leadin.

Therefore change our "invalid track number" canary to -1 instead
of 0.  Additionally don't try to parse an empty string.

In the process, get rid of redudant 'discnum = 0' as well.

NOTE: While not strictly necessary, we recommend rebuilding the
      database to ensure files without track numbers are
      updated with the new canary.

Change-Id: I543f98ca49cec7b5eeffa7c14c1eca57171f345a
This commit is contained in:
Solomon Peachy 2025-11-19 21:03:34 -05:00
parent 481cc70fe0
commit e94a96cdcf
15 changed files with 104 additions and 89 deletions
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2
apps/tagcache.c
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@ -2322,7 +2322,7 @@ static void NO_INLINE add_tagcache(char *path, unsigned long mtime)
logf("-> %s", path);
if (id3.tracknum <= 0) /* Track number missing? */
if (id3.tracknum < 0) /* Track number missing? */
{
id3.tracknum = -1;
}