[master] Imported from libpng-1.2.38beta01.tar
diff --git a/ANNOUNCE b/ANNOUNCE
index 053755f..724c3c7 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,5 +1,5 @@
-Libpng 1.2.38beta01 - June 16, 2009
+Libpng 1.2.38beta01 - June 17, 2009
This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version.
@@ -78,7 +78,7 @@
Added a section in the documentation about using png_get_io_ptr() in
configure scripts to detect the presence of libpng.
-version 1.2.38beta01 [June 16, 2009]
+version 1.2.38beta01 [June 17, 2009]
Revised libpng*.txt and libpng.3 to mention calling png_set_IHDR()
multiple times and to specify the sample order in the tRNS chunk,
because the ISO PNG specification has a typo in the tRNS table.
diff --git a/CHANGES b/CHANGES
index 158b37f..7e17208 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2403,7 +2403,7 @@
Added a section to the libpng documentation about using png_get_io_ptr()
in configure scripts to detect the presence of libpng.
-versions 1.2.38beta01 [June 16, 2009]
+versions 1.2.38beta01 [June 17, 2009]
Revised libpng*.txt and libpng.3 to mention calling png_set_IHDR()
multiple times and to specify the sample order in the tRNS chunk,
because the ISO PNG specification has a typo in the tRNS table.
diff --git a/INSTALL b/INSTALL
index bc0a0dd..99f8f73 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,5 +1,5 @@
-Installing libpng version 1.2.38beta01 - June 5, 2009
+Installing libpng version 1.2.38beta01 - June 17, 2009
On Unix/Linux and similar systems, you can simply type
diff --git a/LICENSE b/LICENSE
index 8e554e0..3ff05ed 100644
--- a/LICENSE
+++ b/LICENSE
@@ -8,7 +8,7 @@
If you modify libpng you may insert additional notices immediately following
this sentence.
-libpng versions 1.2.6, August 15, 2004, through 1.2.38beta01, June 5, 2009, are
+libpng versions 1.2.6, August 15, 2004, through 1.2.38beta01, June 17, 2009, are
Copyright (c) 2004, 2006-2009 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors
@@ -106,4 +106,4 @@
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
-June 5, 2009
+June 17, 2009
diff --git a/README b/README
index 2005b92..2802662 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng version 1.2.38beta01 - June 5, 2009 (shared library 12.0)
+README for libpng version 1.2.38beta01 - June 17, 2009 (shared library 12.0)
See the note about version numbers near the top of png.h
See INSTALL for instructions on how to install libpng.
diff --git a/Y2KINFO b/Y2KINFO
index 40f982e..b44d229 100644
--- a/Y2KINFO
+++ b/Y2KINFO
@@ -1,7 +1,7 @@
Y2K compliance in libpng:
=========================
- June 5, 2009
+ June 17, 2009
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.
diff --git a/libpng-1.2.38beta01.txt b/libpng-1.2.38beta01.txt
index 7737668..51a4edd 100644
--- a/libpng-1.2.38beta01.txt
+++ b/libpng-1.2.38beta01.txt
@@ -1,6 +1,6 @@
libpng.txt - A description on how to use and modify libpng
- libpng version 1.2.38beta01 - June 8, 2009
+ libpng version 1.2.38beta01 - June 17, 2009
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2009 Glenn Randers-Pehrson
@@ -9,7 +9,7 @@
Based on:
- libpng versions 0.97, January 1998, through 1.2.38beta01 - June 8, 2009
+ libpng versions 0.97, January 1998, through 1.2.38beta01 - June 17, 2009
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2009 Glenn Randers-Pehrson
@@ -321,28 +321,6 @@
png_set_read_status_fn(png_ptr, read_row_callback);
-Width and height limits
-
-The PNG specification allows the width and height of an image to be as
-large as 2^31-1 (0x7fffffff), or about 2.147 billion rows and columns.
-Since very few applications really need to process such large images,
-we have imposed an arbitrary 1-million limit on rows and columns.
-Larger images will be rejected immediately with a png_error() call. If
-you wish to override this limit, you can use
-
- png_set_user_limits(png_ptr, width_max, height_max);
-
-to set your own limits, or use width_max = height_max = 0x7fffffffL
-to allow all valid dimensions (libpng may reject some very large images
-anyway because of potential buffer overflow conditions).
-
-You should put this statement after you create the PNG structure and
-before calling png_read_info(), png_read_png(), or png_process_data().
-If you need to retrieve the limits that are being applied, use
-
- width_max = png_get_user_width_max(png_ptr);
- height_max = png_get_user_height_max(png_ptr);
-
Unknown-chunk handling
Now you get to set the way the library processes unknown chunks in the
@@ -1813,7 +1791,7 @@
PNG_INTRAPIXEL_DIFFERENCING)
If you call png_set_IHDR(), the call must appear before any of the
-other png_set_*() functions, which might require access to some of
+other png_set_*() functions, because they might require access to some of
the IHDR settings. The remaining png_set_*() functions can be called
in any order.
@@ -3044,7 +3022,8 @@
}
The prototypes for non-exported functions can appear in
-pngpriv.h or in the file where the function is located.
+the PNG_INTERNAL section of png.h
+or in the file where the function is located.
The names of all exported functions and variables begin
with "png_", and all publicly visible C preprocessor
@@ -3060,12 +3039,15 @@
for (i = 2; i > 0; --i)
x[i] = a(x) + (int)b;
+We prefer #ifdef and #ifndef to #if defined() and if !defined()
+when there is only one macro being tested.
+
Other rules can be inferred by inspecting the libpng
source.
XIII. Y2K Compliance in libpng
-June 8, 2009
+June 17, 2009
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.
diff --git a/libpng.3 b/libpng.3
index ef180c2..afbafb1 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,4 +1,4 @@
-.TH LIBPNG 3 "June 8, 2009"
+.TH LIBPNG 3 "June 17, 2009"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.38beta01
.SH SYNOPSIS
@@ -821,7 +821,7 @@
.SH LIBPNG.TXT
libpng.txt - A description on how to use and modify libpng
- libpng version 1.2.38beta01 - June 8, 2009
+ libpng version 1.2.38beta01 - June 17, 2009
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2009 Glenn Randers-Pehrson
@@ -830,7 +830,7 @@
Based on:
- libpng versions 0.97, January 1998, through 1.2.38beta01 - June 8, 2009
+ libpng versions 0.97, January 1998, through 1.2.38beta01 - June 17, 2009
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2009 Glenn Randers-Pehrson
@@ -1142,28 +1142,6 @@
png_set_read_status_fn(png_ptr, read_row_callback);
-.SS Width and height limits
-
-The PNG specification allows the width and height of an image to be as
-large as 2^31-1 (0x7fffffff), or about 2.147 billion rows and columns.
-Since very few applications really need to process such large images,
-we have imposed an arbitrary 1-million limit on rows and columns.
-Larger images will be rejected immediately with a png_error() call. If
-you wish to override this limit, you can use
-
- png_set_user_limits(png_ptr, width_max, height_max);
-
-to set your own limits, or use width_max = height_max = 0x7fffffffL
-to allow all valid dimensions (libpng may reject some very large images
-anyway because of potential buffer overflow conditions).
-
-You should put this statement after you create the PNG structure and
-before calling png_read_info(), png_read_png(), or png_process_data().
-If you need to retrieve the limits that are being applied, use
-
- width_max = png_get_user_width_max(png_ptr);
- height_max = png_get_user_height_max(png_ptr);
-
.SS Unknown-chunk handling
Now you get to set the way the library processes unknown chunks in the
@@ -2634,7 +2612,7 @@
PNG_INTRAPIXEL_DIFFERENCING)
If you call png_set_IHDR(), the call must appear before any of the
-other png_set_*() functions, which might require access to some of
+other png_set_*() functions, because they might require access to some of
the IHDR settings. The remaining png_set_*() functions can be called
in any order.
@@ -3865,7 +3843,8 @@
}
The prototypes for non-exported functions can appear in
-pngpriv.h or in the file where the function is located.
+the PNG_INTERNAL section of png.h
+or in the file where the function is located.
The names of all exported functions and variables begin
with "png_", and all publicly visible C preprocessor
@@ -3881,12 +3860,15 @@
for (i = 2; i > 0; --i)
x[i] = a(x) + (int)b;
+We prefer #ifdef and #ifndef to #if defined() and if !defined()
+when there is only one macro being tested.
+
Other rules can be inferred by inspecting the libpng
source.
.SH XIII. Y2K Compliance in libpng
-June 8, 2009
+June 17, 2009
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.
@@ -4218,7 +4200,7 @@
Thanks to Frank J. T. Wojcik for helping with the documentation.
-Libpng version 1.2.38beta01 - June 8, 2009:
+Libpng version 1.2.38beta01 - June 17, 2009:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
@@ -4239,7 +4221,7 @@
If you modify libpng you may insert additional notices immediately following
this sentence.
-libpng versions 1.2.6, August 15, 2004, through 1.2.38beta01, June 8, 2009, are
+libpng versions 1.2.6, August 15, 2004, through 1.2.38beta01, June 17, 2009, are
Copyright (c) 2004,2006-2008 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors
@@ -4338,7 +4320,7 @@
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
-June 8, 2009
+June 17, 2009
.\" end of man page
diff --git a/libpngpf.3 b/libpngpf.3
index 8969288..459ac86 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,268 +1,782 @@
-.TH LIBPNGPF 3 "June 5, 2009"
+.TH LIBPNGPF 3 "June 17, 2009"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.38beta01
(private functions)
.SH SYNOPSIS
\fB#include <png.h>\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_build_gamma_table (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_build_grayscale_palette (int \fP\fIbit_depth\fP\fB, png_colorp \fIpalette\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_calculate_crc (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIptr\fP\fB, png_size_t \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_check_chunk_name (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIchunk_name\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBpng_size_t png_check_keyword (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charpp \fInew_key\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_combine_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fImask\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_correct_palette (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, int \fInum_palette\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBint png_crc_error (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBint png_crc_finish (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIskip\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_crc_read (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuf\fP\fB, png_size_t \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBpng_voidp png_create_struct (int \fItype\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBpng_voidp png_create_struct_2 (int \fP\fItype\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_voidp \fImem_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_decompress_chunk (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcomp_type\fP\fB, png_charp \fP\fIchunkdata\fP\fB, png_size_t \fP\fIchunklength\fP\fB, png_size_t \fP\fIprefix_length\fP\fB, png_size_t \fI*data_length\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_destroy_struct (png_voidp \fIstruct_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_destroy_struct_2 (png_voidp \fP\fIstruct_ptr\fP\fB, png_free_ptr \fP\fIfree_fn\fP\fB, png_voidp \fImem_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_background (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_16p \fP\fItrans_values\fP\fB, png_color_16p \fP\fIbackground\fP\fB, png_color_16p \fP\fIbackground_1\fP\fB, png_bytep \fP\fIgamma_table\fP\fB, png_bytep \fP\fIgamma_from_1\fP\fB, png_bytep \fP\fIgamma_to_1\fP\fB, png_uint_16pp \fP\fIgamma_16\fP\fB, png_uint_16pp \fP\fIgamma_16_from_1\fP\fB, png_uint_16pp \fP\fIgamma_16_to_1\fP\fB, int \fIgamma_shift\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_bgr (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_chop (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_dither (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIpalette_lookup\fP\fB, png_bytep \fIdither_lookup\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_expand (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_16p \fItrans_value\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_expand_palette (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_colorp \fP\fIpalette\fP\fB, png_bytep \fP\fItrans\fP\fB, int \fInum_trans\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_gamma (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIgamma_table\fP\fB, png_uint_16pp \fP\fIgamma_16_table\fP\fB, int \fIgamma_shift\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_gray_to_rgb (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_invert (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_pack (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fIbit_depth\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_packswap (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_read_filler (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, png_uint_32 \fIflags\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_read_interlace (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fP\fIpass\fP\fB, png_uint_32 \fItransformations\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_read_invert_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_read_swap_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_read_transformations (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBint png_do_rgb_to_gray (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_shift (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_8p \fIbit_depth\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_strip_filler (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fIflags\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_swap (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_unpack (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_unshift (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_8p \fIsig_bits\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_write_interlace (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fIpass\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_write_invert_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_write_swap_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_write_transformations (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid *png_far_to_near (png_structp png_ptr,png_voidp \fP\fIptr\fP\fB, int \fIcheck\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_flush (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_bKGD (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_gAMA (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_IEND (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_iTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_sRGB (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_info_destroy (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_init_mmx_flags (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_init_read_transformations (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_process_IDAT_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_length\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_process_some_data (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_check_crc (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_crc_finish (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_crc_skip (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_fill_buffer (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_handle_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_handle_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_handle_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_have_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_have_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_have_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_process_row (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_read_chunk (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_read_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_read_IDAT (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_read_sig (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_read_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_read_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_restore_buffer (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_length\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_save_buffer (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBpng_uint_32 png_read_chunk_header (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_read_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_read_filter_row (png_structp \fP\fIpng_ptr\fP\fB, png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIprev_row\fP\fB, int \fIfilter\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_read_finish_row (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_read_push_finish_row (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_read_start_row (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_read_transform_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_reset_crc (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBint png_set_text_2 (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_textp \fP\fItext_ptr\fP\fB, int \fInum_text\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_cHRM (png_structp \fP\fIpng_ptr\fP\fB, double \fP\fIwhite_x\fP\fB, double \fP\fIwhite_y\fP\fB, double \fP\fIred_x\fP\fB, double \fP\fIred_y\fP\fB, double \fP\fIgreen_x\fP\fB, double \fP\fIgreen_y\fP\fB, double \fP\fIblue_x\fP\fB, double \fIblue_y\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_cHRM_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIwhite_x\fP\fB, png_uint_32 \fP\fIwhite_y\fP\fB, png_uint_32 \fP\fIred_x\fP\fB, png_uint_32 \fP\fIred_y\fP\fB, png_uint_32 \fP\fIgreen_x\fP\fB, png_uint_32 \fP\fIgreen_y\fP\fB, png_uint_32 \fP\fIblue_x\fP\fB, png_uint_32 \fIblue_y\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_filtered_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIfiltered_row\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_find_filter (png_structp \fP\fIpng_ptr\fP\fB, png_row_infop \fIrow_info\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_finish_row (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_gAMA (png_structp \fP\fIpng_ptr\fP\fB, double \fIfile_gamma\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_gAMA_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIint_file_gamma\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_uint_16p \fP\fIhist\fP\fB, int \fInum_hist\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIname\fP\fB, int \fP\fIcompression_type\fP\fB, png_charp \fP\fIprofile\fP\fB, int \fIproflen\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_IDAT (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_IEND (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIwidth\fP\fB, png_uint_32 \fP\fIheight\fP\fB, int \fP\fIbit_depth\fP\fB, int \fP\fIcolor_type\fP\fB, int \fP\fIcompression_type\fP\fB, int \fP\fIfilter_type\fP\fB, int \fIinterlace_type\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_iTXt (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcompression\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fIlang\fP\fB, png_charp \fP\fItranslated_key\fP\fB, png_charp \fItext\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIx_offset\fP\fB, png_uint_32 \fP\fIy_offset\fP\fB, int \fIunit_type\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIpurpose\fP\fB, png_int_32 \fP\fIX0\fP\fB, png_int_32 \fP\fIX1\fP\fB, int \fP\fItype\fP\fB, int \fP\fInparams\fP\fB, png_charp \fP\fIunits\fP\fB, png_charpp \fIparams\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIx_pixels_per_unit\fP\fB, png_uint_32 \fP\fIy_pixels_per_unit\fP\fB, int \fIunit_type\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, png_uint_32 \fInum_pal\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_color_8p \fP\fIsbit\fP\fB, int \fIcolor_type\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, double \fP\fIwidth\fP\fB, double \fIheight\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_sCAL_s (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, png_charp \fP\fIwidth\fP\fB, png_charp \fIheight\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_sig (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_sRGB (png_structp \fP\fIpng_ptr\fP\fB, int \fIintent\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_spalette_p \fIpalette\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_start_row (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fItext\fP\fB, png_size_t \fItext_len\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_timep \fImod_time\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fItrans\fP\fB, png_color_16p \fP\fIvalues\fP\fB, int \fP\fInumber\fP\fB, int \fIcolor_type\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fItext\fP\fB, png_size_t \fP\fItext_len\fP\fB, int \fIcompression\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoidpf png_zalloc (voidpf \fP\fIpng_ptr\fP\fB, uInt \fP\fIitems\fP\fB, uInt \fIsize\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_zfree (voidpf \fP\fIpng_ptr\fP\fB, voidpf \fIptr\fP\fB);\fP
\fI\fB
+\fI\fB
+
.SH DESCRIPTION
The functions listed above are used privately by libpng
and are not recommended for use by applications. They are
diff --git a/png.5 b/png.5
index ada09ff..304c95a 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "June 5, 2009"
+.TH PNG 5 "June 17, 2009"
.SH NAME
png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION
diff --git a/png.c b/png.c
index a856302..a5827da 100644
--- a/png.c
+++ b/png.c
@@ -702,7 +702,7 @@
png_get_copyright(png_structp png_ptr)
{
png_ptr = png_ptr; /* Silence compiler warning about unused png_ptr */
- return ((png_charp) "\n libpng version 1.2.38beta01 - June 12, 2009\n\
+ return ((png_charp) "\n libpng version 1.2.38beta01 - June 17, 2009\n\
Copyright (c) 1998-2009 Glenn Randers-Pehrson\n\
Copyright (c) 1996-1997 Andreas Dilger\n\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.\n");
diff --git a/png.h b/png.h
index b2a1f39..87aa5fd 100644
--- a/png.h
+++ b/png.h
@@ -1,6 +1,6 @@
/* png.h - header file for PNG reference library
*
- * libpng version 1.2.38beta01 - June 16, 2009
+ * libpng version 1.2.38beta01 - June 17, 2009
* Copyright (c) 1998-2009 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@@ -8,7 +8,7 @@
* Authors and maintainers:
* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
* libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
- * libpng versions 0.97, January 1998, through 1.2.38beta01 - June 16, 2009: Glenn
+ * libpng versions 0.97, January 1998, through 1.2.38beta01 - June 17, 2009: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@@ -260,7 +260,7 @@
* If you modify libpng you may insert additional notices immediately following
* this sentence.
*
- * libpng versions 1.2.6, August 15, 2004, through 1.2.38beta01, June 16, 2009, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.2.38beta01, June 17, 2009, are
* Copyright (c) 2004, 2006-2009 Glenn Randers-Pehrson, and are
* distributed according to the same disclaimer and license as libpng-1.2.5
* with the following individual added to the list of Contributing Authors:
@@ -372,7 +372,7 @@
* Y2K compliance in libpng:
* =========================
*
- * June 16, 2009
+ * June 17, 2009
*
* Since the PNG Development group is an ad-hoc body, we can't make
* an official declaration.
@@ -436,7 +436,7 @@
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.2.38beta01"
#define PNG_HEADER_VERSION_STRING \
- " libpng version 1.2.38beta01 - June 16, 2009\n"
+ " libpng version 1.2.38beta01 - June 17, 2009\n"
#define PNG_LIBPNG_VER_SONUM 0
#define PNG_LIBPNG_VER_DLLNUM 13
diff --git a/pngconf.h b/pngconf.h
index dbdf369..8850238 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@
/* pngconf.h - machine configurable file for libpng
*
- * libpng version 1.2.38beta01 - June 16, 2009
+ * libpng version 1.2.38beta01 - June 17, 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)
@@ -487,7 +487,7 @@
* iTXt support was added. iTXt support was turned off by default through
* libpng-1.2.x, to support old apps that malloc the png_text structure
* instead of calling png_set_text() and letting libpng malloc it. It
- * was turned on by default in libpng-1.4.0.
+ * will be turned on by default in libpng-1.4.0.
*/
#if defined(PNG_1_0_X) || defined (PNG_1_2_X)
diff --git a/pngget.c b/pngget.c
index 0022d95..40283c3 100644
--- a/pngget.c
+++ b/pngget.c
@@ -934,6 +934,6 @@
return (png_ptr? png_ptr->user_height_max : 0);
}
#endif /* ?PNG_SET_USER_LIMITS_SUPPORTED */
-
+
#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */
diff --git a/pngpread.c b/pngpread.c
index 9746c7a..1dcfea6 100644
--- a/pngpread.c
+++ b/pngpread.c
@@ -1387,7 +1387,7 @@
tmp = text;
text = (png_charp)png_malloc(png_ptr, text_size +
- (png_uint_32)(png_ptr->zbuf_size
+ (png_uint_32)(png_ptr->zbuf_size
- png_ptr->zstream.avail_out + 1));
png_memcpy(text, tmp, text_size);
@@ -1609,7 +1609,7 @@
}
#endif
png_memcpy((png_charp)png_ptr->unknown_chunk.name,
- (png_charp)png_ptr->chunk_name,
+ (png_charp)png_ptr->chunk_name,
png_sizeof(png_ptr->unknown_chunk.name));
png_ptr->unknown_chunk.name[png_sizeof(png_ptr->unknown_chunk.name) - 1]
= '\0';
diff --git a/pngread.c b/pngread.c
index 370ecba..601d14e 100644
--- a/pngread.c
+++ b/pngread.c
@@ -102,7 +102,7 @@
}
else
png_ptr->flags |= PNG_FLAG_LIBRARY_MISMATCH;
-
+
if (png_ptr->flags & PNG_FLAG_LIBRARY_MISMATCH)
{
diff --git a/pngrtran.c b/pngrtran.c
index 04ecd9e..2050eca 100644
--- a/pngrtran.c
+++ b/pngrtran.c
@@ -1,7 +1,7 @@
/* pngrtran.c - transforms the data in a row for PNG readers
*
- * Last changed in libpng 1.2.38 [June 12, 2009]
+ * Last changed in libpng 1.2.38 [June 17, 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)
diff --git a/pngrutil.c b/pngrutil.c
index 2c703b0..b670080 100644
--- a/pngrutil.c
+++ b/pngrutil.c
@@ -1,7 +1,7 @@
/* pngrutil.c - utilities to read a PNG file
*
- * Last changed in libpng 1.2.38 [June 12, 2009]
+ * Last changed in libpng 1.2.38 [June 17, 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)
diff --git a/pngset.c b/pngset.c
index 7280a08..9fcb738 100644
--- a/pngset.c
+++ b/pngset.c
@@ -1,7 +1,7 @@
/* pngset.c - storage of image information into info struct
*
- * Last changed in libpng 1.2.38 [June 16, 2009]
+ * Last changed in libpng 1.2.38 [June 17, 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)
diff --git a/pngwutil.c b/pngwutil.c
index aa1b174..5adfe3b 100644
--- a/pngwutil.c
+++ b/pngwutil.c
@@ -988,7 +988,7 @@
#endif
{
/* Each value is saved in 1/100,000ths */
-
+
png_save_uint_32(buf, int_white_x);
png_save_uint_32(buf + 4, int_white_y);
