/* pngtest.c - a simple test program to test libpng
*
- * libpng 1.2.8 - December 3, 2004
+ * Last changed in libpng 1.2.27 - [April 29, 2008]
* For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2004 Glenn Randers-Pehrson
+ * Copyright (c) 1998-2008 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.)
*
#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
-/* 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)
+#define PNG_tIME_STRING_LENGTH 30
static int tIME_chunk_present=0;
-static char tIME_string[30] = "no tIME chunk present in file";
+static char tIME_string[PNG_tIME_STRING_LENGTH] = "no tIME chunk present in file";
#endif
static int verbose = 0;
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
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 */
#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG
/* Make sure the caller isn't assuming zeroed memory. */
png_memset(pinfo->pointer, 0xdd, pinfo->size);
if(verbose)
- printf("png_malloc %lu bytes at %x\n",size,pinfo->pointer);
- assert(pinfo->size != 12345678);
+ printf("png_malloc %lu bytes at %x\n",(unsigned long)size,
+ pinfo->pointer);
return (png_voidp)(pinfo->pointer);
}
}
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
#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG
write_ptr = png_create_write_struct_2(PNG_LIBPNG_VER_STRING, png_voidp_NULL,
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);
end_info_ptr = png_create_info_struct(read_ptr);
#endif
{
fprintf(STDERR, "%s -> %s: libpng read error\n", inname, outname);
- if (row_buf)
- png_free(read_ptr, row_buf);
+ png_free(read_ptr, row_buf);
png_destroy_read_struct(&read_ptr, &read_info_ptr, &end_info_ptr);
#ifdef PNG_WRITE_SUPPORTED
png_destroy_info_struct(write_ptr, &write_end_info_ptr);
{
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_memcpy 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_memcpy(tIME_string,
+ png_convert_to_rfc1123(read_ptr, mod_time),
+ png_sizeof(tIME_string));
+ tIME_string[png_sizeof(tIME_string)-1] = '\0';
tIME_chunk_present++;
#endif /* PNG_TIME_RFC1123_SUPPORTED */
}
if (png_get_tRNS(read_ptr, read_info_ptr, &trans, &num_trans,
&trans_values))
{
- png_set_tRNS(write_ptr, write_info_ptr, trans, num_trans,
- trans_values);
+ int sample_max = (1 << read_info_ptr->bit_depth);
+ /* libpng doesn't reject a tRNS chunk with out-of-range samples */
+ if (!((read_info_ptr->color_type == PNG_COLOR_TYPE_GRAY &&
+ (int)trans_values->gray > sample_max) ||
+ (read_info_ptr->color_type == PNG_COLOR_TYPE_RGB &&
+ ((int)trans_values->red > sample_max ||
+ (int)trans_values->green > sample_max ||
+ (int)trans_values->blue > sample_max))))
+ png_set_tRNS(write_ptr, write_info_ptr, trans, num_trans,
+ trans_values);
}
}
#endif
{
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_memcpy 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_memcpy(tIME_string,
+ png_convert_to_rfc1123(read_ptr, mod_time),
+ png_sizeof(tIME_string));
+ tIME_string[png_sizeof(tIME_string)-1] = '\0';
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,
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)
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;
}
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)
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;
}
}
}
/* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_2_8 your_png_h_is_not_version_1_2_8;
+typedef version_1_2_29 your_png_h_is_not_version_1_2_29;
projects / opencv / blobdiff