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Imported from libpng-1.4.0beta14.tar

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This commit is contained in:
Glenn Randers-Pehrson
2006-11-14 10:53:30 -06:00
parent 3779c69674
commit 6b12c08bfc
56 changed files with 1112 additions and 130 deletions
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5
pngrio.c
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@@ -1,7 +1,7 @@
/* pngrio.c - functions for data input
*
* Last changed in libpng 1.4.0 April 20, 2006
* Last changed in libpng 1.4.0 November 14, 2006
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -46,6 +46,7 @@ png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
{
png_size_t check;
if(png_ptr == NULL) return;
/* 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.
*/
@@ -70,6 +71,7 @@ png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
png_byte *n_data;
png_FILE_p io_ptr;
if(png_ptr == NULL) return;
/* Check if data really is near. If so, use usual code. */
n_data = (png_byte *)CVT_PTR_NOCHECK(data);
io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr);
@@ -120,6 +122,7 @@ void PNGAPI
png_set_read_fn(png_structp png_ptr, png_voidp io_ptr,
png_rw_ptr read_data_fn)
{
if(png_ptr == NULL) return;
png_ptr->io_ptr = io_ptr;
#if !defined(PNG_NO_STDIO)