diff options
| author | John MacFarlane <jgm@berkeley.edu> | 2016-06-22 22:18:24 -0700 |
|---|---|---|
| committer | John MacFarlane <jgm@berkeley.edu> | 2016-06-22 22:18:57 -0700 |
| commit | 9a8610c9715e714e40ad7a93be89985fe5371907 (patch) | |
| tree | cfa3d75613926b99b1bac70fd2dfb112567d4312 /src | |
| parent | d4cb8e767ce224d31501c19fb11a220824df9bf8 (diff) | |
cmark_reference_lookup: Return NULL if reference is null string.
Diffstat (limited to 'src')
| -rwxr-xr-x | src/references.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/references.c b/src/references.c index 6d31142..348de14 100755 --- a/src/references.c +++ b/src/references.c @@ -95,7 +95,7 @@ cmark_reference *cmark_reference_lookup(cmark_reference_map *map, unsigned char *norm; unsigned int hash; - if (label->len > MAX_LINK_LABEL_LENGTH) + if (label->len < 1 || label->len > MAX_LINK_LABEL_LENGTH) return NULL; if (map == NULL) |