mewin/libpng
1
0
Fork 0
mirror of https://git.code.sf.net/p/libpng/code.git synced 2025-07-10 18:04:09 +02:00
Code Issues Projects Releases Wiki Activity

Imported from libpng-1.0.8beta1.tar

Browse Source
This commit is contained in:
Glenn Randers-Pehrson
2000-07-08 13:19:41 -05:00
parent 3d5a520610
commit 316f97a063
49 changed files with 1037 additions and 394 deletions
Download Patch File Download Diff File Expand all files Collapse all files

66
pngtest.c
View File

@@ -1,7 +1,7 @@
/* pngtest.c - a simple test program to test libpng
*
* libpng 1.0.7 - July 1, 2000
* libpng 1.0.8beta1 - July 8, 2000
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -27,9 +27,27 @@
* of files at once by typing "pngtest -m file1.png file2.png ..."
*/
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#if defined(_WIN32_WCE)
# if _WIN32_WCE < 211
__error__ (f|w)printf functions are not supported on old WindowsCE.;
# endif
# include <windows.h>
# include <stdlib.h>
# define READFILE(file, data, length, check) \
ReadFile(file, data, length, &check,NULL)
# define WRITEFILE(file, data, length, check) \
WriteFile(file, data, length, &check, NULL);
# define FCLOSE(file) CloseHandle(file)
#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) \
check = (png_size_t)fwrite(data, (png_size_t)1, length, file);
# define FCLOSE(file) fclose(file)
#endif
/* Makes pngtest verbose so we can find problems (needs to be before png.h) */
#ifndef PNG_DEBUG
@@ -239,8 +257,7 @@ pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
/* fread() returns 0 on error, so it is OK to store this in a png_size_t
* instead of an int, which is what fread() actually returns.
*/
check = (png_size_t)fread(data, (png_size_t)1, length,
(FILE *)png_ptr->io_ptr);
READFILE((png_FILE_p)png_ptr->io_ptr, data, length, check);
if (check != length)
{
@@ -261,14 +278,14 @@ pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
{
int check;
png_byte *n_data;
FILE *io_ptr;
png_FILE_p io_ptr;
/* Check if data really is near. If so, use usual code. */
n_data = (png_byte *)CVT_PTR_NOCHECK(data);
io_ptr = (FILE *)CVT_PTR(png_ptr->io_ptr);
io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr);
if ((png_bytep)n_data == data)
{
check = fread(n_data, 1, length, io_ptr);
READFILE(io_ptr, n_data, length, check);
}
else
{
@@ -279,7 +296,7 @@ pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
do
{
read = MIN(NEAR_BUF_SIZE, remaining);
err = fread(buf, (png_size_t)1, read, io_ptr);
READFILE(io_ptr, buf, 1, err);
png_memcpy(data, buf, read); /* copy far buffer to near buffer */
if(err != read)
break;
@@ -301,10 +318,12 @@ pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
static void
pngtest_flush(png_structp png_ptr)
{
FILE *io_ptr;
io_ptr = (FILE *)CVT_PTR((png_ptr->io_ptr));
#if !defined(_WIN32_WCE)
png_FILE_p io_ptr;
io_ptr = (png_FILE_p)CVT_PTR((png_ptr->io_ptr));
if (io_ptr != NULL)
fflush(io_ptr);
#endif
}
#endif
@@ -318,7 +337,7 @@ pngtest_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
{
png_uint_32 check;
check = fwrite(data, 1, length, (FILE *)(png_ptr->io_ptr));
WRITEFILE((png_FILE_p)png_ptr->io_ptr, data, 1, check);
if (check != length)
{
png_error(png_ptr, "Write Error");
@@ -338,14 +357,14 @@ pngtest_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
{
png_uint_32 check;
png_byte *near_data; /* Needs to be "png_byte *" instead of "png_bytep" */
FILE *io_ptr;
png_FILE_p io_ptr;
/* Check if data really is near. If so, use usual code. */
near_data = (png_byte *)CVT_PTR_NOCHECK(data);
io_ptr = (FILE *)CVT_PTR(png_ptr->io_ptr);
io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr);
if ((png_bytep)near_data == data)
{
check = fwrite(near_data, 1, length, io_ptr);
WRITEFILE(io_ptr, near_data, 1, check);
}
else
{
@@ -357,7 +376,7 @@ pngtest_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
{
written = MIN(NEAR_BUF_SIZE, remaining);
png_memcpy(buf, data, written); /* copy far buffer to near buffer */
err = fwrite(buf, 1, written, io_ptr);
WRITEFILE(io_ptr, written, 1, err);
if (err != written)
break;
else
@@ -417,7 +436,7 @@ pngtest_error(png_structp png_ptr, png_const_charp message)
by setting MAXSEG_64K in zlib zconf.h *or* PNG_MAX_MALLOC_64K. */
typedef struct memory_information
{
png_uint_32 size;
png_uint_32 size;
png_voidp pointer;
struct memory_information FAR *next;
} memory_information;
@@ -463,7 +482,7 @@ png_debug_malloc(png_structp png_ptr, png_uint_32 size)
if(verbose)
printf("png_malloc %d bytes at %x\n",size,pinfo->pointer);
#endif
assert(pinfo->size != 12345);
assert(pinfo->size != 12345678);
return (png_voidp)(pinfo->pointer);
}
}
@@ -523,7 +542,8 @@ png_debug_free(png_structp png_ptr, png_voidp ptr)
int
test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
{
static FILE *fpin, *fpout; /* "static" prevents setjmp corruption */
static png_FILE_p fpin;
static png_FILE_p fpout; /* "static" prevents setjmp corruption */
png_structp read_ptr, write_ptr;
png_infop read_info_ptr, write_info_ptr, end_info_ptr, write_end_info_ptr;
png_bytep row_buf;
@@ -1083,8 +1103,8 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
{
png_size_t num_in, num_out;
num_in = fread(inbuf, 1, 1, fpin);
num_out = fread(outbuf, 1, 1, fpout);
READFILE(fpin, inbuf, 1, num_in);
READFILE(fpout, outbuf, 1, num_out);
if (num_in != num_out)
{
@@ -1392,4 +1412,4 @@ main(int argc, char *argv[])
}
/* Generate a compiler error if there is an old png.h in the search path. */
typedef version_1_0_7 your_png_h_is_not_version_1_0_7;
typedef version_1_0_8beta1 your_png_h_is_not_version_1_0_8beta1;