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Imported from libpng-0.99c.tar

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This commit is contained in:
Glenn Randers-Pehrson
1998-02-07 10:20:57 -06:00
parent b212002101
commit 0f881d62b3
26 changed files with 1197 additions and 239 deletions
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13
pngtest.c
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@@ -1,12 +1,12 @@
/* pngtest.c - a simple test program to test libpng
*
* libpng 0.99a
* libpng 0.99c
* 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
* January 31, 1998
* February 7, 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
@@ -284,7 +284,7 @@ png_malloc(png_structp png_ptr, png_uint_32 size) {
return (NULL);
}
if (size == 0)
return (NULL);
return (png_voidp)(NULL);
/* This calls the library allocator twice, once to get the requested
buffer and once to get a new free list entry. */
@@ -299,7 +299,7 @@ png_malloc(png_structp png_ptr, png_uint_32 size) {
pinformation = pinfo;
/* Make sure the caller isn't assuming zeroed memory. */
png_memset(pinfo->pointer, 0xdd, pinfo->size);
return ((png_voidp)pinfo->pointer);
return (png_voidp)(pinfo->pointer);
}
}
@@ -612,6 +612,7 @@ int test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
png_debug(0, "\nWriting info struct\n");
png_write_info(write_ptr, write_info_ptr);
png_debug(0, "\nAllocating row buffer \n");
row_buf = (png_bytep)png_malloc(read_ptr,
png_get_rowbytes(read_ptr, read_info_ptr));
if (row_buf == NULL)
@@ -623,12 +624,14 @@ int test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
fclose(fpout);
return (1);
}
png_debug(0, "Writing row data\n");
num_pass = png_set_interlace_handling(read_ptr);
png_set_interlace_handling(write_ptr);
for (pass = 0; pass < num_pass; pass++)
{
png_debug1(0, "Writing row data for pass %d\n",pass);
for (y = 0; y < height; y++)
{
png_read_rows(read_ptr, (png_bytepp)&row_buf, (png_bytepp)NULL, 1);
@@ -867,5 +870,5 @@ main(int argc, char *argv[])
fprintf(STDERR, "libpng passes test\n");
else
fprintf(STDERR, "libpng FAILS test\n");
return ((int)(ierror != 0));
return (int)(ierror != 0);
}