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Imported from libpng-0.99e.tar

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This commit is contained in:
Glenn Randers-Pehrson
1998-02-28 07:00:24 -06:00
parent a357b99113
commit cbe52d8720
28 changed files with 843 additions and 694 deletions
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35
pngtest.c
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@@ -1,12 +1,12 @@
/* pngtest.c - a simple test program to test libpng
*
* libpng 0.99d
* libpng 0.99e
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
* Copyright (c) 1996, 1997 Andreas Dilger
* Copyright (c) 1998, Glenn Randers-Pehrson
* February 8, 1998
* February 28, 1998
*
* This program reads in a PNG image, writes it out again, and then
* compares the two files. If the files are identical, this shows that
@@ -37,10 +37,6 @@
#include "png.h"
#ifdef PNGTEST_MEMORY_DEBUG
#include <unistd.h>
#endif
int test_one_file(PNG_CONST char *inname, PNG_CONST char *outname);
#ifdef __TURBOC__
@@ -52,6 +48,7 @@ int test_one_file(PNG_CONST char *inname, PNG_CONST char *outname);
#define STDERR stdout /* for DOS */
static int verbose = 0;
static int wrote_question = 0;
#if defined(PNG_NO_STDIO)
/* START of code to validate stdio-free compilation */
@@ -686,9 +683,20 @@ int test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
{
fprintf(STDERR, "Files %s and %s are of a different size\n",
inname, outname);
if(wrote_question == 0)
{
fprintf(STDERR,
" Was %s written with the same chunk size (8k),",inname);
fprintf(STDERR,
" filtering\n heuristic (libpng default), compression");
fprintf(STDERR,
" level (zlib default)\n and zlib version (%s)?\n\n",
ZLIB_VERSION);
wrote_question=1;
}
fclose(fpin);
fclose(fpout);
return (1);
return (0);
}
if (!num_in)
@@ -697,9 +705,20 @@ int test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
if (png_memcmp(inbuf, outbuf, num_in))
{
fprintf(STDERR, "Files %s and %s are different\n", inname, outname);
if(wrote_question == 0)
{
fprintf(STDERR,
" Was %s written with the same chunk size (8k),",inname);
fprintf(STDERR,
" filtering\n heuristic (libpng default), compression");
fprintf(STDERR,
" level (zlib default)\n and zlib version (%s)?\n\n",
ZLIB_VERSION);
wrote_question=1;
}
fclose(fpin);
fclose(fpout);
return (1);
return (0);
}
}