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* src/base/ftutil.c (ft_mem_qrealloc): fix the function 

to accept 'item_size == 0' as well, though this sounds
  weird, it can theorically happen.

  see bug #16669
This commit is contained in:
David Turner 2006-06-04 14:50:57 +00:00
parent 0971735dce
commit ea4547ca03
2 changed files with 12 additions and 2 deletions
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6
ChangeLog
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@ -1,5 +1,11 @@
2006-06-04 David Turner <david@freetype.org>
* src/base/ftutil.c (ft_mem_qrealloc): fix the function
to accept 'item_size == 0' as well, though this sounds
weird, it can theorically happen.
see bug #16669
* src/pfr/pfrobjs.c (pfr_face_init): fix the computation
of 'face->num_glyphs' which missed the last glyph, due to
the offset-by-1 computation, since the PFR format doesn't

8
src/base/ftutil.c
View File

@ -120,12 +120,16 @@
FT_Error error = FT_Err_Ok;
if ( cur_count < 0 || new_count < 0 || item_size <= 0 )
/* note that we now accept item_size == 0 as a valid
* parameter. this in order to cover very weird cases
* where a ALLOC_MULT macro would be called
*/
if ( cur_count < 0 || new_count < 0 || item_size < 0 )
{
/* may help catch/prevent nasty security issues */
error = FT_Err_Invalid_Argument;
}
else if ( new_count == 0 )
else if ( new_count == 0 || item_size == 0 )
{
ft_mem_free( memory, block );
block = NULL;