/* pngtest.c - a simple test program to test libpng
*
- * libpng 1.2.4 - July 8, 2002
+ * libpng 1.2.7 - September 12, 2004
* For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2002 Glenn Randers-Pehrson
+ * Copyright (c) 1998-2004 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.)
*
* of files at once by typing "pngtest -m file1.png file2.png ..."
*/
+#include "png.h"
+
#if defined(_WIN32_WCE)
# if _WIN32_WCE < 211
__error__ (f|w)printf functions are not supported on old WindowsCE.;
#include <time.h>
#endif
-#include "png.h"
-
/* Define png_jmpbuf() in case we are using a pre-1.0.6 version of libpng */
#ifndef png_jmpbuf
# define png_jmpbuf(png_ptr) png_ptr->jmpbuf
PNGAPI
#endif
read_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass);
+void
#ifdef PNG_1_0_X
PNGAPI
#endif
-void
read_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass)
{
- if(png_ptr == NULL || row_number > PNG_MAX_UINT) return;
+ if(png_ptr == NULL || row_number > PNG_UINT_31_MAX) return;
if(status_pass != pass)
{
fprintf(stdout,"\n Pass %d: ",pass);
fprintf(stdout, "r");
}
+void
#ifdef PNG_1_0_X
PNGAPI
#endif
-void
write_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass);
+void
#ifdef PNG_1_0_X
PNGAPI
#endif
-void
write_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass)
{
- if(png_ptr == NULL || row_number > PNG_MAX_UINT || pass > 7) return;
+ if(png_ptr == NULL || row_number > PNG_UINT_31_MAX || pass > 7) return;
fprintf(stdout, "w");
}
/* END of code to validate stdio-free compilation */
/* START of code to validate memory allocation and deallocation */
-#ifdef PNG_USER_MEM_SUPPORTED
+#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG
/* Allocate memory. For reasonable files, size should never exceed
64K. However, zlib may allocate more then 64K if you don't tell
/* This calls the library allocator twice, once to get the requested
buffer and once to get a new free list entry. */
{
- memory_infop pinfo = (memory_infop)png_malloc_default(png_ptr,
- (png_uint_32)sizeof *pinfo);
+ /* Disable malloc_fn and free_fn */
+ memory_infop pinfo;
+ png_set_mem_fn(png_ptr, NULL, NULL, NULL);
+ pinfo = (memory_infop)png_malloc(png_ptr,
+ (png_uint_32)png_sizeof (*pinfo));
pinfo->size = size;
current_allocation += size;
total_allocation += size;
num_allocations ++;
if (current_allocation > maximum_allocation)
maximum_allocation = current_allocation;
- pinfo->pointer = (png_voidp)png_malloc_default(png_ptr, size);
+ pinfo->pointer = (png_voidp)png_malloc(png_ptr, size);
+ /* Restore malloc_fn and free_fn */
+ png_set_mem_fn(png_ptr, png_voidp_NULL, (png_malloc_ptr)png_debug_malloc,
+ (png_free_ptr)png_debug_free);
+ if (size != 0 && pinfo->pointer == NULL)
+ {
+ current_allocation -= size;
+ total_allocation -= size;
+ png_error(png_ptr,
+ "out of memory in pngtest->png_debug_malloc.");
+ }
pinfo->next = pinformation;
pinformation = pinfo;
/* Make sure the caller isn't assuming zeroed memory. */
png_memset(pinfo->pointer, 0xdd, pinfo->size);
-#if PNG_DEBUG
if(verbose)
printf("png_malloc %lu bytes at %x\n",size,pinfo->pointer);
-#endif
assert(pinfo->size != 12345678);
return (png_voidp)(pinfo->pointer);
}
}
/* Finally free the data. */
-#if PNG_DEBUG
if(verbose)
printf("Freeing %x\n",ptr);
-#endif
png_free_default(png_ptr, ptr);
ptr=NULL;
}
-#endif /* PNG_USER_MEM_SUPPORTED */
+#endif /* PNG_USER_MEM_SUPPORTED && PNG_DEBUG */
/* END of code to test memory allocation/deallocation */
/* Test one file */
}
png_debug(0, "Allocating read and write structures\n");
-#ifdef PNG_USER_MEM_SUPPORTED
+#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG
read_ptr = png_create_read_struct_2(PNG_LIBPNG_VER_STRING, png_voidp_NULL,
png_error_ptr_NULL, png_error_ptr_NULL, png_voidp_NULL,
(png_malloc_ptr)png_debug_malloc, (png_free_ptr)png_debug_free);
pngtest_warning);
#endif
#ifdef PNG_WRITE_SUPPORTED
-#ifdef PNG_USER_MEM_SUPPORTED
+#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG
write_ptr = png_create_write_struct_2(PNG_LIBPNG_VER_STRING, png_voidp_NULL,
png_error_ptr_NULL, png_error_ptr_NULL, png_voidp_NULL,
(png_malloc_ptr)png_debug_malloc, (png_free_ptr)png_debug_free);
return (1);
}
#ifdef USE_FAR_KEYWORD
- png_memcpy(png_jmpbuf(read_ptr),jmpbuf,sizeof(jmp_buf));
+ png_memcpy(png_jmpbuf(read_ptr),jmpbuf,png_sizeof(jmp_buf));
#endif
#ifdef PNG_WRITE_SUPPORTED
return (1);
}
#ifdef USE_FAR_KEYWORD
- png_memcpy(png_jmpbuf(write_ptr),jmpbuf,sizeof(jmp_buf));
+ png_memcpy(png_jmpbuf(write_ptr),jmpbuf,png_sizeof(jmp_buf));
#endif
#endif
#endif
png_set_write_user_transform_fn(write_ptr, count_zero_samples);
#endif
-#define HANDLE_CHUNK_IF_SAFE 2
-#define HANDLE_CHUNK_ALWAYS 3
#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED)
- png_set_keep_unknown_chunks(read_ptr, HANDLE_CHUNK_ALWAYS,
+# ifndef PNG_HANDLE_CHUNK_ALWAYS
+# define PNG_HANDLE_CHUNK_ALWAYS 3
+# endif
+ png_set_keep_unknown_chunks(read_ptr, PNG_HANDLE_CHUNK_ALWAYS,
png_bytep_NULL, 0);
#endif
#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED)
- png_set_keep_unknown_chunks(write_ptr, HANDLE_CHUNK_IF_SAFE,
+# ifndef PNG_HANDLE_CHUNK_IF_SAFE
+# define PNG_HANDLE_CHUNK_IF_SAFE 2
+# endif
+ png_set_keep_unknown_chunks(write_ptr, PNG_HANDLE_CHUNK_IF_SAFE,
png_bytep_NULL, 0);
#endif
/* Show the version of libpng used in building the application */
fprintf(STDERR," pngtest (%lu):%s", (unsigned long)PNG_LIBPNG_VER,
PNG_HEADER_VERSION_STRING);
- fprintf(STDERR," sizeof(png_struct)=%ld, sizeof(png_info)=%ld\n",
- (long)sizeof(png_struct), (long)sizeof(png_info));
+ fprintf(STDERR," png_sizeof(png_struct)=%ld, png_sizeof(png_info)=%ld\n",
+ (long)png_sizeof(png_struct), (long)png_sizeof(png_info));
/* Do some consistency checking on the memory allocation settings, I'm
not sure this matters, but it is nice to know, the first of these
if (multiple)
{
int i;
-#ifdef PNG_USER_MEM_SUPPORTED
+#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG
int allocation_now = current_allocation;
#endif
for (i=2; i<argc; ++i)
fprintf(STDERR, " FAIL\n");
ierror += kerror;
}
-#ifdef PNG_USER_MEM_SUPPORTED
+#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG
if (allocation_now != current_allocation)
fprintf(STDERR, "MEMORY ERROR: %d bytes lost\n",
current_allocation-allocation_now);
}
#endif
}
-#ifdef PNG_USER_MEM_SUPPORTED
+#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG
fprintf(STDERR, " Current memory allocation: %10d bytes\n",
current_allocation);
fprintf(STDERR, " Maximum memory allocation: %10d bytes\n",
for (i=0; i<3; ++i)
{
int kerror;
-#ifdef PNG_USER_MEM_SUPPORTED
+#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG
int allocation_now = current_allocation;
#endif
if (i == 1) status_dots_requested = 1;
fprintf(STDERR, " FAIL\n");
ierror += kerror;
}
-#ifdef PNG_USER_MEM_SUPPORTED
+#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG
if (allocation_now != current_allocation)
fprintf(STDERR, "MEMORY ERROR: %d bytes lost\n",
current_allocation-allocation_now);
}
#endif
}
-#ifdef PNG_USER_MEM_SUPPORTED
+#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG
fprintf(STDERR, " Current memory allocation: %10d bytes\n",
current_allocation);
fprintf(STDERR, " Maximum memory allocation: %10d bytes\n",
}
/* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_2_4 your_png_h_is_not_version_1_2_4;
+typedef version_1_2_7 your_png_h_is_not_version_1_2_7;