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[shape] Allow null buffer 

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This commit is contained in:
Behdad Esfahbod 2022-06-01 04:43:10 -06:00
parent 33145a4b75
commit d72d37008d
1 changed files with 3 additions and 0 deletions
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3
src/hb-shape.cc
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@ -126,6 +126,9 @@ hb_shape_full (hb_font_t *font,
unsigned int num_features, unsigned int num_features,
const char * const *shaper_list) const char * const *shaper_list)
{ {
if (unlikely (!buffer->len))
return true;
hb_buffer_t *text_buffer = nullptr; hb_buffer_t *text_buffer = nullptr;
if (buffer->flags & HB_BUFFER_FLAG_VERIFY) if (buffer->flags & HB_BUFFER_FLAG_VERIFY)
{ {