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[uniscribe] Fix scratch-buffer accounting

This commit is contained in:
Behdad Esfahbod 2013-12-23 14:39:23 -05:00
parent beeb12c9af
commit 3216e44feb
1 changed files with 8 additions and 7 deletions
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15
src/hb-uniscribe.cc
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@ -776,13 +776,14 @@ retry:
}
}
/* All the following types are sized in multiples of sizeof(int). */
unsigned int glyphs_size = scratch_size / ((sizeof (WORD) +
sizeof (SCRIPT_GLYPHPROP) +
sizeof (int) +
sizeof (GOFFSET) +
sizeof (uint32_t))
/ sizeof (int));
/* The -2 in the following is to compensate for possible
* alignment needed after the WORD array. sizeof(WORD) == 2. */
unsigned int glyphs_size = (scratch_size * sizeof (int) - 2)
/ (sizeof (WORD) +
sizeof (SCRIPT_GLYPHPROP) +
sizeof (int) +
sizeof (GOFFSET) +
sizeof (uint32_t));
ALLOCATE_ARRAY (WORD, glyphs, glyphs_size);
ALLOCATE_ARRAY (SCRIPT_GLYPHPROP, glyph_props, glyphs_size);