Fix buffer serialize of empty buffer

Ouch!

Fix buffer serialize of empty buffer
Ouch!
3c080a7a · Behdad Esfahbod · 8e42c3cb · 3c080a7a
隐藏空白更改
内联并排

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src/hb-buffer-serialize.cc src/hb-buffer-serialize.cc +2 -0

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--- a/src/hb-buffer-serialize.cc
+++ b/src/hb-buffer-serialize.cc
@@ -311,6 +311,8 @@ hb_buffer_serialize_glyphs (hb_buffer_t *buffer,
  if (!buf_consumed)
    buf_consumed = &sconsumed;
  *buf_consumed = 0;
+  if (buf_size)
+    *buf = '\0';

  assert ((!buffer->len && buffer->content_type == HB_BUFFER_CONTENT_TYPE_INVALID) ||
 	  buffer->content_type == HB_BUFFER_CONTENT_TYPE_GLYPHS);