AuroraMiddleware/harfbuzz
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[gsub] Don't substitute in ReverseChainSingleSubstFormat1 if missing substitute

Browse Source 
Fixes https://github.com/harfbuzz/harfbuzz/issues/2467
This commit is contained in:
Behdad Esfahbod 2020-06-17 16:29:09 -07:00
parent e7c79e16b8
commit 41ef75f64a
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/hb-ot-layout-gsub-table.hh
View File

@ -1205,7 +1205,9 @@ struct ReverseChainSingleSubstFormat1
const OffsetArrayOf<Coverage> &lookahead = StructAfter<OffsetArrayOf<Coverage>> (backtrack);
const ArrayOf<HBGlyphID> &substitute = StructAfter<ArrayOf<HBGlyphID>> (lookahead);
unsigned int start_index = 0, end_index = 0;
if (unlikely (index >= substitute.len)) return_trace (false);
unsigned int start_index = 0, end_index = 0;
if (match_backtrack (c,
backtrack.len, (HBUINT16 *) backtrack.arrayZ,
match_coverage, this,