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[subset] In unicodes cache cleanup if set insert fails.

This commit is contained in:
Garret Rieger 2022-04-29 22:44:43 +00:00
parent 217d38dfc7
commit 5e241094bf
1 changed files with 5 additions and 1 deletions
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6
src/hb-ot-cmap-table.hh
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@ -1471,7 +1471,11 @@ struct SubtableUnicodesCache {
hb_set_t* set_for(const EncodingRecord* record) hb_set_t* set_for(const EncodingRecord* record)
{ {
if (!cached_unicodes.has ((intptr_t) record)) { if (!cached_unicodes.has ((intptr_t) record)) {
cached_unicodes.set ((intptr_t) record, hb_set_create ()); hb_set_t* new_set = hb_set_create ();
if (!cached_unicodes.set ((intptr_t) record, new_set)) {
hb_set_destroy (new_set);
return hb_set_empty ();
}
(base+record->subtable).collect_unicodes (cached_unicodes.get ((intptr_t) record)); (base+record->subtable).collect_unicodes (cached_unicodes.get ((intptr_t) record));
} }
return cached_unicodes.get ((intptr_t) record); return cached_unicodes.get ((intptr_t) record);