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[master] Imported from libpng-1.4.0beta97.tar

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This commit is contained in:
Glenn Randers-Pehrson
2009-11-12 18:07:00 -06:00
parent 6099e57b07
commit dcdc92c80c
127 changed files with 4985 additions and 6915 deletions
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76
pngmem.c
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@@ -1,7 +1,7 @@
/* pngmem.c - stub functions for memory allocation
*
* Last changed in libpng 1.2.37 [June 4, 2009]
* Last changed in libpng 1.4.0 [November 13, 2009]
* Copyright (c) 1998-2009 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.)
@@ -17,9 +17,9 @@
* identify the replacement functions.
*/
#define PNG_INTERNAL
#include "png.h"
#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
#include "pngpriv.h"
/* Borland DOS special memory handler */
#if defined(__TURBOC__) && !defined(_Windows) && !defined(__FLAT__)
@@ -31,7 +31,7 @@ png_voidp /* PRIVATE */
png_create_struct(int type)
{
#ifdef PNG_USER_MEM_SUPPORTED
return (png_create_struct_2(type, png_malloc_ptr_NULL, png_voidp_NULL));
return (png_create_struct_2(type, NULL, NULL));
}
/* Alternate version of png_create_struct, for use with user-defined malloc. */
@@ -70,7 +70,7 @@ void /* PRIVATE */
png_destroy_struct(png_voidp struct_ptr)
{
#ifdef PNG_USER_MEM_SUPPORTED
png_destroy_struct_2(struct_ptr, png_free_ptr_NULL, png_voidp_NULL);
png_destroy_struct_2(struct_ptr, NULL, NULL);
}
/* Free memory allocated by a png_create_struct() call */
@@ -115,7 +115,7 @@ png_destroy_struct_2(png_voidp struct_ptr, png_free_ptr free_fn,
* (which should cause a fatal error) and introducing major problems.
*/
png_voidp PNGAPI
png_calloc(png_structp png_ptr, png_uint_32 size)
png_calloc(png_structp png_ptr, png_alloc_size_t size)
{
png_voidp ret;
@@ -126,7 +126,7 @@ png_calloc(png_structp png_ptr, png_uint_32 size)
}
png_voidp PNGAPI
png_malloc(png_structp png_ptr, png_uint_32 size)
png_malloc(png_structp png_ptr, png_alloc_size_t size)
{
png_voidp ret;
@@ -139,12 +139,12 @@ png_malloc(png_structp png_ptr, png_uint_32 size)
else
ret = (png_malloc_default(png_ptr, size));
if (ret == NULL && (png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
png_error(png_ptr, "Out of memory!");
png_error(png_ptr, "Out of memory");
return (ret);
}
png_voidp PNGAPI
png_malloc_default(png_structp png_ptr, png_uint_32 size)
png_malloc_default(png_structp png_ptr, png_alloc_size_t size)
{
png_voidp ret;
#endif /* PNG_USER_MEM_SUPPORTED */
@@ -200,9 +200,9 @@ png_malloc_default(png_structp png_ptr, png_uint_32 size)
{
#ifndef PNG_USER_MEM_SUPPORTED
if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
png_error(png_ptr, "Out Of Memory."); /* Note "O" and "M" */
png_error(png_ptr, "Out Of Memory"); /* Note "O" and "M" */
else
png_warning(png_ptr, "Out Of Memory.");
png_warning(png_ptr, "Out Of Memory");
#endif
return (NULL);
}
@@ -228,9 +228,9 @@ png_malloc_default(png_structp png_ptr, png_uint_32 size)
{
#ifndef PNG_USER_MEM_SUPPORTED
if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
png_error(png_ptr, "Out Of memory."); /* Note "O" and "M" */
png_error(png_ptr, "Out Of memory"); /* Note "O" and "M" */
else
png_warning(png_ptr, "Out Of memory.");
png_warning(png_ptr, "Out Of memory");
#endif
return (NULL);
}
@@ -257,9 +257,9 @@ png_malloc_default(png_structp png_ptr, png_uint_32 size)
{
#ifndef PNG_USER_MEM_SUPPORTED
if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
png_error(png_ptr, "Out of Memory."); /* Note "o" and "M" */
png_error(png_ptr, "Out of Memory"); /* Note "o" and "M" */
else
png_warning(png_ptr, "Out of Memory.");
png_warning(png_ptr, "Out of Memory");
#endif
return (NULL);
}
@@ -273,9 +273,9 @@ png_malloc_default(png_structp png_ptr, png_uint_32 size)
if (ret == NULL)
{
if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
png_error(png_ptr, "Out of memory."); /* Note "o" and "m" */
png_error(png_ptr, "Out of memory"); /* Note "o" and "m" */
else
png_warning(png_ptr, "Out of memory."); /* Note "o" and "m" */
png_warning(png_ptr, "Out of memory"); /* Note "o" and "m" */
}
#endif
@@ -347,7 +347,7 @@ png_voidp /* PRIVATE */
png_create_struct(int type)
{
#ifdef PNG_USER_MEM_SUPPORTED
return (png_create_struct_2(type, png_malloc_ptr_NULL, png_voidp_NULL));
return (png_create_struct_2(type, NULL, NULL));
}
/* Allocate memory for a png_struct or a png_info. The malloc and
@@ -401,7 +401,7 @@ void /* PRIVATE */
png_destroy_struct(png_voidp struct_ptr)
{
#ifdef PNG_USER_MEM_SUPPORTED
png_destroy_struct_2(struct_ptr, png_free_ptr_NULL, png_voidp_NULL);
png_destroy_struct_2(struct_ptr, NULL, NULL);
}
/* Free memory allocated by a png_create_struct() call */
@@ -442,7 +442,7 @@ png_destroy_struct_2(png_voidp struct_ptr, png_free_ptr free_fn,
*/
png_voidp PNGAPI
png_calloc(png_structp png_ptr, png_uint_32 size)
png_calloc(png_structp png_ptr, png_alloc_size_t size)
{
png_voidp ret;
@@ -453,7 +453,7 @@ png_calloc(png_structp png_ptr, png_uint_32 size)
}
png_voidp PNGAPI
png_malloc(png_structp png_ptr, png_uint_32 size)
png_malloc(png_structp png_ptr, png_alloc_size_t size)
{
png_voidp ret;
@@ -466,12 +466,12 @@ png_malloc(png_structp png_ptr, png_uint_32 size)
else
ret = (png_malloc_default(png_ptr, size));
if (ret == NULL && (png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
png_error(png_ptr, "Out of Memory!");
png_error(png_ptr, "Out of Memory");
return (ret);
}
png_voidp PNGAPI
png_malloc_default(png_structp png_ptr, png_uint_32 size)
png_malloc_default(png_structp png_ptr, png_alloc_size_t size)
{
png_voidp ret;
#endif /* PNG_USER_MEM_SUPPORTED */
@@ -558,16 +558,13 @@ png_free_default(png_structp png_ptr, png_voidp ptr)
#endif /* Not Borland DOS special memory handler */
#ifdef PNG_1_0_X
# define png_malloc_warn png_malloc
#else
/* This function was added at libpng version 1.2.3. The png_malloc_warn()
* function will set up png_malloc() to issue a png_warning and return NULL
* instead of issuing a png_error, if it fails to allocate the requested
* memory.
*/
png_voidp PNGAPI
png_malloc_warn(png_structp png_ptr, png_uint_32 size)
png_malloc_warn(png_structp png_ptr, png_alloc_size_t size)
{
png_voidp ptr;
png_uint_32 save_flags;
@@ -580,34 +577,7 @@ png_malloc_warn(png_structp png_ptr, png_uint_32 size)
png_ptr->flags=save_flags;
return(ptr);
}
#endif
png_voidp PNGAPI
png_memcpy_check (png_structp png_ptr, png_voidp s1, png_voidp s2,
png_uint_32 length)
{
png_size_t size;
size = (png_size_t)length;
if ((png_uint_32)size != length)
png_error(png_ptr, "Overflow in png_memcpy_check.");
return(png_memcpy (s1, s2, size));
}
png_voidp PNGAPI
png_memset_check (png_structp png_ptr, png_voidp s1, int value,
png_uint_32 length)
{
png_size_t size;
size = (png_size_t)length;
if ((png_uint_32)size != length)
png_error(png_ptr, "Overflow in png_memset_check.");
return (png_memset (s1, value, size));
}
#ifdef PNG_USER_MEM_SUPPORTED
/* This function is called when the application wants to use another method