diff options
| author | John MacFarlane <jgm@berkeley.edu> | 2015-06-04 12:59:48 +0200 |
|---|---|---|
| committer | John MacFarlane <jgm@berkeley.edu> | 2015-06-04 12:59:48 +0200 |
| commit | 7767b22ab12aa4ab43ae389771617078248a4b84 (patch) | |
| tree | c615b02addfc074c1c34e86d98d0d12874ef45b2 /src/inlines.c | |
| parent | 240400e1c397c6b379c0c7c21d1ec658dbb24153 (diff) | |
Don't allow link labels with no non-whitespace characters.
See jgm/CommonMark#322.
Diffstat (limited to 'src/inlines.c')
| -rw-r--r-- | src/inlines.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/inlines.c b/src/inlines.c index 232fc10..352ded3 100644 --- a/src/inlines.c +++ b/src/inlines.c @@ -755,6 +755,7 @@ static int link_label(subject* subj, cmark_chunk *raw_label) if (c == ']') { // match found *raw_label = cmark_chunk_dup(&subj->input, startpos + 1, subj->pos - (startpos + 1)); + cmark_chunk_trim(raw_label); advance(subj); // advance past ] return 1; } @@ -1111,7 +1112,7 @@ int cmark_parse_reference_inline(cmark_strbuf *input, cmark_reference_map *refma subject_from_buf(&subj, input, NULL); // parse label: - if (!link_label(&subj, &lab)) + if (!link_label(&subj, &lab) || lab.len == 0) return 0; // colon: |