/* pngtest.c - a simple test program to test libpng
*
- * libpng 1.2.4 - July 8, 2002
+ * Last changed in libpng 1.2.6 - August 15, 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.;
#else
# include <stdio.h>
# include <stdlib.h>
-# include <assert.h>
# define READFILE(file, data, length, check) \
check=(png_size_t)fread(data,(png_size_t)1,length,file)
# define WRITEFILE(file, data, length, check) \
#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
-#endif
-
-#ifdef PNGTEST_TIMING
-static float t_start, t_stop, t_decode, t_encode, t_misc;
-#if !defined(PNG_tIME_SUPPORTED)
-#include <time.h>
-#endif
-#endif
-
#if defined(PNG_TIME_RFC1123_SUPPORTED)
static int tIME_chunk_present=0;
static char tIME_string[30] = "no tIME chunk present in file";
static int status_dots_requested=0;
static int status_dots=1;
+/* In case a system header (e.g., on AIX) defined jmpbuf */
+#ifdef jmpbuf
+# undef jmpbuf
+#endif
+
+/* 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
+#endif
+
void
#ifdef PNG_1_0_X
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");
}
png_error(png_ptr, "Write Error");
}
}
-
#endif /* USE_FAR_KEYWORD */
+#endif /* PNG_NO_STDIO */
+/* END of code to validate stdio-free compilation */
/* This function is called when there is a warning, but the library thinks
* it can continue anyway. Replacement functions don't have to do anything
/* We can return because png_error calls the default handler, which is
* actually OK in this case. */
}
-#endif /* PNG_NO_STDIO */
-/* 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);
+ printf("png_malloc %lu bytes at %x\n",(unsigned long)size,
+ pinfo->pointer);
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);
read_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, png_voidp_NULL,
png_error_ptr_NULL, png_error_ptr_NULL);
#endif
-#if defined(PNG_NO_STDIO)
png_set_error_fn(read_ptr, (png_voidp)inname, pngtest_error,
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);
write_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, png_voidp_NULL,
png_error_ptr_NULL, png_error_ptr_NULL);
#endif
-#if defined(PNG_NO_STDIO)
png_set_error_fn(write_ptr, (png_voidp)inname, pngtest_error,
pngtest_warning);
-#endif
#endif
png_debug(0, "Allocating read_info, write_info and end_info structures\n");
read_info_ptr = png_create_info_struct(read_ptr);
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
{
png_set_tIME(write_ptr, write_info_ptr, mod_time);
#if defined(PNG_TIME_RFC1123_SUPPORTED)
- /* we have to use png_strcpy instead of "=" because the string
+ /* we have to use png_strncpy instead of "=" because the string
pointed to by png_convert_to_rfc1123() gets free'ed before
we use it */
- png_strcpy(tIME_string,png_convert_to_rfc1123(read_ptr, mod_time));
+ png_strncpy(tIME_string,png_convert_to_rfc1123(read_ptr,
+ mod_time),30);
tIME_chunk_present++;
#endif /* PNG_TIME_RFC1123_SUPPORTED */
}
{
png_set_tIME(write_ptr, write_end_info_ptr, mod_time);
#if defined(PNG_TIME_RFC1123_SUPPORTED)
- /* we have to use png_strcpy instead of "=" because the string
+ /* we have to use png_strncpy instead of "=" because the string
pointed to by png_convert_to_rfc1123() gets free'ed before
we use it */
- png_strcpy(tIME_string,png_convert_to_rfc1123(read_ptr, mod_time));
+ png_strncpy(tIME_string,png_convert_to_rfc1123(read_ptr,
+ mod_time),30);
tIME_chunk_present++;
#endif /* PNG_TIME_RFC1123_SUPPORTED */
}
iwidth = png_get_image_width(write_ptr, write_info_ptr);
iheight = png_get_image_height(write_ptr, write_info_ptr);
fprintf(STDERR, "Image width = %lu, height = %lu\n",
- iwidth, iheight);
+ (unsigned long)iwidth, (unsigned long)iheight);
}
#endif
fprintf(STDERR, " with zlib version %s\n", ZLIB_VERSION);
fprintf(STDERR,"%s",png_get_copyright(NULL));
/* Show the version of libpng used in building the library */
- fprintf(STDERR," library (%lu):%s", png_access_version_number(),
+ fprintf(STDERR," library (%lu):%s",
+ (unsigned long)png_access_version_number(),
png_get_header_version(NULL));
/* 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)
if (kerror == 0)
{
#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
- fprintf(STDERR, "\n PASS (%lu zero samples)\n",zero_samples);
+ fprintf(STDERR, "\n PASS (%lu zero samples)\n",
+ (unsigned long)zero_samples);
#else
fprintf(STDERR, " PASS\n");
#endif
for (k=0; k<256; k++)
if(filters_used[k])
fprintf(STDERR, " Filter %d was used %lu times\n",
- k,filters_used[k]);
+ k,(unsigned long)filters_used[k]);
#endif
#if defined(PNG_TIME_RFC1123_SUPPORTED)
if(tIME_chunk_present != 0)
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);
current_allocation);
while (pinfo != NULL)
{
- fprintf(STDERR, " %lu bytes at %x\n", pinfo->size,
+ fprintf(STDERR, " %lu bytes at %x\n", (unsigned long)pinfo->size,
(unsigned int) pinfo->pointer);
pinfo = pinfo->next;
}
}
#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;
int k;
#endif
#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
- fprintf(STDERR, "\n PASS (%lu zero samples)\n",zero_samples);
+ fprintf(STDERR, "\n PASS (%lu zero samples)\n",
+ (unsigned long)zero_samples);
#else
fprintf(STDERR, " PASS\n");
#endif
for (k=0; k<256; k++)
if(filters_used[k])
fprintf(STDERR, " Filter %d was used %lu times\n",
- k,filters_used[k]);
+ k,(unsigned long)filters_used[k]);
#endif
#if defined(PNG_TIME_RFC1123_SUPPORTED)
if(tIME_chunk_present != 0)
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);
while (pinfo != NULL)
{
fprintf(STDERR," %lu bytes at %x\n",
- pinfo->size, (unsigned int)pinfo->pointer);
+ (unsigned long)pinfo->size, (unsigned int)pinfo->pointer);
pinfo = pinfo->next;
}
}
#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_20 your_png_h_is_not_version_1_2_20;
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