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Imported from libpng-1.4.0beta49.tar

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This commit is contained in:
Glenn Randers-Pehrson
2009-02-28 06:08:20 -06:00
parent 79134c69a4
commit 0ffb71a6af
62 changed files with 286 additions and 191 deletions
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11
pngwio.c
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@@ -1,7 +1,7 @@
/* pngwio.c - functions for data output
*
* Last changed in libpng 1.4.0 [February 14, 2009]
* Last changed in libpng 1.4.0 [February 28, 2009]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2009 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -119,7 +119,7 @@ png_default_flush(png_structp png_ptr)
png_FILE_p io_ptr;
if (png_ptr == NULL) return;
io_ptr = (png_FILE_p)CVT_PTR((png_ptr->io_ptr));
if (io_ptr != NULL && fileno(io_ptr) != -1)
if (io_ptr != NULL && png_fileno(io_ptr) != -1)
fflush(io_ptr);
}
#endif
@@ -137,7 +137,9 @@ png_default_flush(png_structp png_ptr)
data to be written, and a 32-bit unsigned int that is
the number of bytes to be written. The new write
function should call png_error(png_ptr, "Error msg")
to exit and output any fatal error messages.
to exit and output any fatal error messages. May be
NULL, in which case libpng's default function will
be used.
flush_data_fn - pointer to a new flush function that takes as its
arguments a pointer to a png_struct. After a call to
the flush function, there should be no data in any buffers
@@ -146,7 +148,8 @@ png_default_flush(png_structp png_ptr)
supplied although it doesn't have to do anything. If
PNG_WRITE_FLUSH_SUPPORTED is not defined at libpng compile
time, output_flush_fn will be ignored, although it must be
supplied for compatibility. */
supplied for compatibility. May be NULL, in which case
libpng's default function will be used. */
void PNGAPI
png_set_write_fn(png_structp png_ptr, png_voidp io_ptr,
png_rw_ptr write_data_fn, png_flush_ptr output_flush_fn)