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[libpng17] Imported from libpng-1.7.0beta61.tar

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This commit is contained in:
Glenn Randers-Pehrson
2015-05-30 22:13:19 -05:00
parent 689b9c58fe
commit e0fea61cd8
19 changed files with 72 additions and 54 deletions
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28
contrib/tools/pngfix.c
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@@ -71,8 +71,8 @@
* with older builds.
*/
#if ZLIB_VERNUM < 0x1260
# define PNGZ_MSG_CAST(s) png_constcast(char*,s)
# define PNGZ_INPUT_CAST(b) png_constcast(png_bytep,b)
# define PNGZ_MSG_CAST(s) constcast(char*,s)
# define PNGZ_INPUT_CAST(b) constcast(png_bytep,b)
#else
# define PNGZ_MSG_CAST(s) (s)
# define PNGZ_INPUT_CAST(b) (b)
@@ -86,17 +86,17 @@
/* Copied from pngpriv.h */
#ifdef __cplusplus
# define png_voidcast(type, value) static_cast<type>(value)
# define png_constcast(type, value) const_cast<type>(value)
# define png_aligncast(type, value) \
# define voidcast(type, value) static_cast<type>(value)
# define constcast(type, value) const_cast<type>(value)
# define aligncast(type, value) \
static_cast<type>(static_cast<void*>(value))
# define png_aligncastconst(type, value) \
# define aligncastconst(type, value) \
static_cast<type>(static_cast<const void*>(value))
#else
# define png_voidcast(type, value) (value)
# define png_constcast(type, value) ((type)(value))
# define png_aligncast(type, value) ((void*)(value))
# define png_aligncastconst(type, value) ((const void*)(value))
# define voidcast(type, value) (value)
# define constcast(type, value) ((type)(value))
# define aligncast(type, value) ((void*)(value))
# define aligncastconst(type, value) ((const void*)(value))
#endif /* __cplusplus */
#if PNG_LIBPNG_VER < 10700
@@ -446,7 +446,7 @@ static void
make_random_bytes(png_uint_32* seed, void* pv, size_t size)
{
png_uint_32 u0 = seed[0], u1 = seed[1];
png_bytep bytes = png_voidcast(png_bytep, pv);
png_bytep bytes = voidcast(png_bytep, pv);
/* There are thirty-three bits; the next bit in the sequence is bit-33 XOR
* bit-20. The top 1 bit is in u1, the bottom 32 are in u0.
@@ -668,7 +668,7 @@ IDAT_list_extend(struct IDAT_list *tail)
if (length < tail->length) /* arithmetic overflow */
length = tail->length;
next = png_voidcast(IDAT_list*, malloc(IDAT_list_size(NULL, length)));
next = voidcast(IDAT_list*, malloc(IDAT_list_size(NULL, length)));
CLEAR(*next);
/* The caller must handle this: */
@@ -3535,7 +3535,7 @@ get_control(png_const_structrp png_ptr)
/* This just returns the (file*). The chunk and idat control structures
* don't always exist.
*/
struct control *control = png_voidcast(struct control*,
struct control *control = voidcast(struct control*,
png_get_error_ptr(png_ptr));
return &control->file;
}
@@ -3543,7 +3543,7 @@ get_control(png_const_structrp png_ptr)
static void
allocate(struct file *file, int allocate_idat)
{
struct control *control = png_voidcast(struct control*, file->alloc_ptr);
struct control *control = voidcast(struct control*, file->alloc_ptr);
if (allocate_idat)
{