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[libpng15] Use png_memset() consistently (pngmem.c contained some bare "memset"

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calls).
This commit is contained in:
Glenn Randers-Pehrson 2012-08-10 16:56:51 -05:00
parent 8cc5341ba2
commit cabfa7d6d9
3 changed files with 9 additions and 7 deletions
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5
ANNOUNCE
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@ -1,5 +1,5 @@
Libpng 1.5.13beta02 - August 9, 2012
Libpng 1.5.13beta02 - August 10, 2012
This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version.
@ -32,7 +32,7 @@ Version 1.5.13beta01 [August 8, 2012]
Revised PNG_FP_EXPORT and PNG_FIXED_EXPORT macros to avoid generating
lone semicolons (patch ported from libpng-1.6.0beta11).
Version 1.5.13beta02 [August 9, 2012]
Version 1.5.13beta02 [August 10, 2012]
Corrected handling of the image array and the row_pointers array in example.c
When png_set_filler is used to strip a filler channel during write, the
code prior to 1.5 would ignore the case where the output required an
@ -41,6 +41,7 @@ Version 1.5.13beta02 [August 9, 2012]
in a bad (potential memory overwrite) failure later. This reverts
the behavior to the pre-1.5 state but issues a warning. libpng-1.6 is
expected to issue an error on the erroneous png_set_filler call.
Use png_memset() consistently (pngmem.c contained some bare "memset" calls).
Send comments/corrections/commendations to png-mng-implement at lists.sf.net:
(subscription required; visit

3
CHANGES
View File

@ -3902,7 +3902,7 @@ Version 1.5.13beta01 [August 8, 2012]
Revised PNG_FP_EXPORT and PNG_FIXED_EXPORT macros to avoid generating
lone semicolons (patch ported from libpng-1.6.0beta11).
Version 1.5.13beta02 [August 9, 2012]
Version 1.5.13beta02 [August 10, 2012]
Corrected handling of the image array and the row_pointers array in example.c
When png_set_filler is used to strip a filler channel during write, the
code prior to 1.5 would ignore the case where the output required an
@ -3911,6 +3911,7 @@ Version 1.5.13beta02 [August 9, 2012]
in a bad (potential memory overwrite) failure later. This reverts
the behavior to the pre-1.5 state but issues a warning. libpng-1.6 is
expected to issue an error on the erroneous png_set_filler call.
Use png_memset() consistently (pngmem.c contained some bare "memset" calls).
Send comments/corrections/commendations to png-mng-implement at lists.sf.net

8
pngmem.c
View File

@ -1,8 +1,8 @@
/* pngmem.c - stub functions for memory allocation
*
* Last changed in libpng 1.5.7 [December 15, 2011]
* Copyright (c) 1998-2011 Glenn Randers-Pehrson
* Last changed in libpng 1.5.13 [(PENDING RELEASE)]
* Copyright (c) 1998-2012 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*
@ -56,7 +56,7 @@ png_create_struct_2,(int type, png_malloc_ptr malloc_fn, png_voidp mem_ptr),
if (malloc_fn != NULL)
{
png_struct dummy_struct;
memset(&dummy_struct, 0, sizeof dummy_struct);
png_memset(&dummy_struct, 0, sizeof dummy_struct);
dummy_struct.mem_ptr=mem_ptr;
struct_ptr = (*(malloc_fn))(&dummy_struct, (png_alloc_size_t)size);
}
@ -90,7 +90,7 @@ png_destroy_struct_2(png_voidp struct_ptr, png_free_ptr free_fn,
if (free_fn != NULL)
{
png_struct dummy_struct;
memset(&dummy_struct, 0, sizeof dummy_struct);
png_memset(&dummy_struct, 0, sizeof dummy_struct);
dummy_struct.mem_ptr=mem_ptr;
(*(free_fn))(&dummy_struct, struct_ptr);
return;