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[GPOS] Fix div-by-zero 

Patch by Jonathan Kew.  Mozilla bug #465728.
This commit is contained in:
Behdad Esfahbod 2010-08-13 14:10:02 -04:00
parent 2422c4b96d
commit 258305c2a5
1 changed files with 1 additions and 1 deletions
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2
src/hb-ot-layout-gpos-private.hh
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@ -345,7 +345,7 @@ struct AnchorMatrix
inline bool sanitize (hb_sanitize_context_t *c, unsigned int cols) {
TRACE_SANITIZE ();
if (!c->check_struct (this)) return false;
if (unlikely (cols >= ((unsigned int) -1) / rows)) return false;
if (unlikely (rows > 0 && cols >= ((unsigned int) -1) / rows)) return false;
unsigned int count = rows * cols;
if (!c->check_array (matrix, matrix[0].static_size, count)) return false;
for (unsigned int i = 0; i < count; i++)