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-1.0.1d.tar

Browse Source
This commit is contained in:
Glenn Randers-Pehrson
1998-05-21 09:27:50 -05:00
parent d0dce40075
commit 8686fff347
35 changed files with 1252 additions and 182 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
pngtest.c
View File

@@ -1,12 +1,12 @@
/* pngtest.c - a simple test program to test libpng
*
* libpng 1.0.1c
* libpng 1.0.1d
* 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
* May 9, 1998
* May 21, 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
@@ -180,7 +180,7 @@ static int wrote_question = 0;
/* START of code to validate stdio-free compilation */
/* These copies of the default read/write functions come from pngrio.c and */
/* pngwio.c. They allow "don't include stdio" testing of the library. */
/* This is the function which does the actual reading of data. If you are
/* This is the function that does the actual reading of data. If you are
not reading from a standard C stream, you should create a replacement
read_data function and use it at run time with png_set_read_fn(), rather
than changing the library. */
@@ -262,7 +262,7 @@ png_default_flush(png_structp png_ptr)
}
#endif
/* This is the function which does the actual writing of data. If you are
/* This is the function that does the actual writing of data. If you are
not writing to a standard C stream, you should create a replacement
write_data function and use it at run time with png_set_write_fn(), rather
than changing the library. */
@@ -352,8 +352,8 @@ static void
png_default_error(png_structp png_ptr, png_const_charp message)
{
png_default_warning(png_ptr, message);
/* We can return because png_error calls the default handler which is
* actually ok in this case. */
/* 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 */
@@ -439,7 +439,7 @@ png_free(png_structp png_ptr, png_voidp ptr)
if (current_allocation < 0)
fprintf(STDERR, "Duplicate free of memory\n");
/* We must free the list element too, but first kill
the memory which is to be freed. */
the memory that is to be freed. */
memset(ptr, 0x55, pinfo->size);
png_debug_free(png_ptr, pinfo);
break;