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[buffer/serialize] Only serialize empty buffers of CONTENT_TYPE_INVALID

This commit is contained in:
Behdad Esfahbod 2020-10-09 18:01:32 -06:00
parent 04658ec48f
commit 140552cec9
1 changed files with 2 additions and 0 deletions
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2
src/hb-buffer-serialize.cc
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@ -605,6 +605,8 @@ _hb_buffer_serialize_invalid (hb_buffer_t *buffer,
hb_buffer_serialize_format_t format, hb_buffer_serialize_format_t format,
hb_buffer_serialize_flags_t flags) hb_buffer_serialize_flags_t flags)
{ {
assert (!buffer->len);
unsigned int sconsumed; unsigned int sconsumed;
if (!buf_consumed) if (!buf_consumed)
buf_consumed = &sconsumed; buf_consumed = &sconsumed;