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[master] Imported from libpng-1.2.41beta11.tar

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Glenn Randers-Pehrson 2009-11-01 21:40:42 -06:00
parent af9a41d770
commit 6e0cf087ad
22 changed files with 90 additions and 35 deletions
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2
INSTALL
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@ -1,5 +1,5 @@
Installing libpng version 1.2.41beta11 - November 1, 2009
Installing libpng version 1.2.41beta11 - November 2, 2009
On Unix/Linux and similar systems, you can simply type

4
LICENSE
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@ -10,7 +10,7 @@ this sentence.
This code is released under the libpng license.
libpng versions 1.2.6, August 15, 2004, through 1.2.41beta11, November 1, 2009, are
libpng versions 1.2.6, August 15, 2004, through 1.2.41beta11, November 2, 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
@ -108,4 +108,4 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
November 1, 2009
November 2, 2009

2
README
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@ -1,4 +1,4 @@
README for libpng version 1.2.41beta11 - November 1, 2009 (shared library 12.0)
README for libpng version 1.2.41beta11 - November 2, 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.

2
Y2KINFO
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@ -1,7 +1,7 @@
Y2K compliance in libpng:
=========================
November 1, 2009
November 2, 2009
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.

6
libpng-1.2.41beta11.txt
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@ -1,6 +1,6 @@
libpng.txt - A description on how to use and modify libpng
libpng version 1.2.41beta11 - November 1, 2009
libpng version 1.2.41beta11 - November 2, 2009
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2009 Glenn Randers-Pehrson
@ -11,7 +11,7 @@ libpng.txt - A description on how to use and modify libpng
Based on:
libpng versions 0.97, January 1998, through 1.2.41beta11 - November 1, 2009
libpng versions 0.97, January 1998, through 1.2.41beta11 - November 2, 2009
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2009 Glenn Randers-Pehrson
@ -3209,7 +3209,7 @@ source.
XIII. Y2K Compliance in libpng
November 1, 2009
November 2, 2009
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.

14
libpng.3
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@ -1,4 +1,4 @@
.TH LIBPNG 3 "November 1, 2009"
.TH LIBPNG 3 "November 2, 2009"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.41beta11
.SH SYNOPSIS
@ -821,7 +821,7 @@ Following is a copy of the libpng.txt file that accompanies libpng.
.SH LIBPNG.TXT
libpng.txt - A description on how to use and modify libpng
libpng version 1.2.41beta11 - November 1, 2009
libpng version 1.2.41beta11 - November 2, 2009
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2009 Glenn Randers-Pehrson
@ -832,7 +832,7 @@ libpng.txt - A description on how to use and modify libpng
Based on:
libpng versions 0.97, January 1998, through 1.2.41beta11 - November 1, 2009
libpng versions 0.97, January 1998, through 1.2.41beta11 - November 2, 2009
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2009 Glenn Randers-Pehrson
@ -4030,7 +4030,7 @@ source.
.SH XIII. Y2K Compliance in libpng
November 1, 2009
November 2, 2009
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.
@ -4376,7 +4376,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.2.41beta11 - November 1, 2009:
Libpng version 1.2.41beta11 - November 2, 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).
@ -4399,7 +4399,7 @@ this sentence.
This code is released under the libpng license.
libpng versions 1.2.6, August 15, 2004, through 1.2.41beta11, November 1, 2009, are
libpng versions 1.2.6, August 15, 2004, through 1.2.41beta11, November 2, 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
@ -4498,7 +4498,7 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
November 1, 2009
November 2, 2009
.\" end of man page

2
libpngpf.3
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@ -1,4 +1,4 @@
.TH LIBPNGPF 3 "November 1, 2009"
.TH LIBPNGPF 3 "November 2, 2009"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.41beta11
(private functions)

2
png.5
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@ -1,4 +1,4 @@
.TH PNG 5 "November 1, 2009"
.TH PNG 5 "November 2, 2009"
.SH NAME
png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION

15
png.h
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@ -1,6 +1,6 @@
/* png.h - header file for PNG reference library
*
* libpng version 1.2.41beta11 - November 1, 2009
* libpng version 1.2.41beta11 - November 2, 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.)
@ -10,7 +10,7 @@
* 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 1.2.41beta11 - November 1, 2009: Glenn
* libpng versions 0.97, January 1998, through 1.2.41beta11 - November 2, 2009: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@ -277,7 +277,7 @@
*
* This code is released under the libpng license.
*
* libpng versions 1.2.6, August 15, 2004, through 1.2.41beta11, November 1, 2009, are
* libpng versions 1.2.6, August 15, 2004, through 1.2.41beta11, November 2, 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:
@ -389,7 +389,7 @@
* Y2K compliance in libpng:
* =========================
*
* November 1, 2009
* November 2, 2009
*
* Since the PNG Development group is an ad-hoc body, we can't make
* an official declaration.
@ -453,7 +453,7 @@
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.2.41beta11"
#define PNG_HEADER_VERSION_STRING \
" libpng version 1.2.41beta11 - November 1, 2009\n"
" libpng version 1.2.41beta11 - November 2, 2009\n"
#define PNG_LIBPNG_VER_SONUM 0
#define PNG_LIBPNG_VER_DLLNUM 13
@ -1526,6 +1526,11 @@ struct png_struct_def
#ifdef PNG_IO_STATE_SUPPORTED
png_uint_32 io_state;
#endif
/* New member added in libpng-1.2.41, will be removed from 1.4.0 */
#ifdef PNG_iTXt_SUPPORTED
png_charp user_png_ver; /* libpng version used to build calling app */
#endif
};

2
pngconf.h
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@ -1,7 +1,7 @@
/* pngconf.h - machine configurable file for libpng
*
* libpng version 1.2.41beta11 - November 1, 2009
* libpng version 1.2.41beta11 - November 2, 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.)

2
pngerror.c
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@ -1,7 +1,7 @@
/* pngerror.c - stub functions for i/o and memory allocation
*
* Last changed in libpng 1.2.41 [November 1, 2009]
* Last changed in libpng 1.2.41 [November 2, 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.)

2
pngget.c
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@ -1,7 +1,7 @@
/* pngget.c - retrieval of values from info struct
*
* Last changed in libpng 1.2.41 [November 1, 2009]
* Last changed in libpng 1.2.41 [November 2, 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.)

27
pngread.c
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@ -1,7 +1,7 @@
/* pngread.c - read a PNG file
*
* Last changed in libpng 1.2.41 [November 1, 2009]
* Last changed in libpng 1.2.41 [November 2, 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.)
@ -118,6 +118,10 @@ png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
* For versions after libpng 1.0, we will be compatible, so we need
* only check the first digit.
*/
#ifdef PNG_iTXt_SUPPORTED
png_size_t length;
#endif
if (user_png_ver == NULL || user_png_ver[0] != png_libpng_ver[0] ||
(user_png_ver[0] == '1' && user_png_ver[2] != png_libpng_ver[2]) ||
(user_png_ver[0] == '0' && user_png_ver[2] < '9'))
@ -142,6 +146,27 @@ png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
png_error(png_ptr,
"Incompatible libpng version in application and library");
}
#ifdef PNG_iTXt_SUPPORTED
/* Any library mismatch is trouble for png_set_read() in
* libpng-1.2.41 and later 1.2.x, so we store the caller's
* library version string.
*/
length = (png_size_t)png_strlen(user_png_ver) + 1;
png_debug1(3, "allocating user_png_ver for png_ptr (%lu bytes)",
(unsigned long)length);
png_ptr->user_png_ver = (png_charp)png_malloc_warn(png_ptr,
(png_uint_32)length);
if (png_ptr->user_png_ver == NULL)
png_warning(png_ptr, "Could not store png_ptr->user_png_ver");
else
png_memcpy(png_ptr->user_png_ver, user_png_ver, length);
#endif /* PNG_iTXt_SUPPORTED */
}
/* Initialize zbuf - compression buffer */

2
pngrio.c
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@ -1,7 +1,7 @@
/* pngrio.c - functions for data input
*
* Last changed in libpng 1.2.41 [November 1, 2009]
* Last changed in libpng 1.2.41 [November 2, 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.)

2
pngrtran.c
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@ -1,7 +1,7 @@
/* pngrtran.c - transforms the data in a row for PNG readers
*
* Last changed in libpng 1.2.41 [November 1, 2009]
* Last changed in libpng 1.2.41 [November 2, 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.)

2
pngrutil.c
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@ -1,7 +1,7 @@
/* pngrutil.c - utilities to read a PNG file
*
* Last changed in libpng 1.2.41 [November 1, 2009]
* Last changed in libpng 1.2.41 [November 2, 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.)

2
pngtest.c
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@ -1,7 +1,7 @@
/* pngtest.c - a simple test program to test libpng
*
* Last changed in libpng 1.2.41 [November 1, 2009]
* Last changed in libpng 1.2.41 [November 2, 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.)

2
pngtrans.c
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@ -1,7 +1,7 @@
/* pngtrans.c - transforms the data in a row (used by both readers and writers)
*
* Last changed in libpng 1.2.41 [November 1, 2009]
* Last changed in libpng 1.2.41 [November 2, 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.)

2
pngwio.c
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@ -1,7 +1,7 @@
/* pngwio.c - functions for data output
*
* Last changed in libpng 1.2.41 [November 1, 2009]
* Last changed in libpng 1.2.41 [November 2, 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.)

27
pngwrite.c
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@ -1,7 +1,7 @@
/* pngwrite.c - general routines to write a PNG file
*
* Last changed in libpng 1.2.41 [November 1, 2009]
* Last changed in libpng 1.2.41 [November 2, 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.)
@ -536,6 +536,10 @@ png_create_write_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
if (png_ptr->flags & PNG_FLAG_LIBRARY_MISMATCH)
{
#ifdef PNG_iTXt_SUPPORTED
png_size_t length;
#endif
/* Libpng 0.90 and later are binary incompatible with libpng 0.89, so
* we must recompile any applications that use any older library version.
* For versions after libpng 1.0, we will be compatible, so we need
@ -565,6 +569,27 @@ png_create_write_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
png_error(png_ptr,
"Incompatible libpng version in application and library");
}
#ifdef PNG_iTXt_SUPPORTED
/* Any library mismatch is trouble for png_set_read() in
* libpng-1.2.41 and later 1.2.x, so we store the caller's
* library version string.
*/
length = (png_size_t)png_strlen(user_png_ver) + 1;
png_debug1(3, "allocating user_png_ver for png_ptr (%lu bytes)",
(unsigned long)length);
png_ptr->user_png_ver = (png_charp)png_malloc_warn(png_ptr,
(png_uint_32)length);
if (png_ptr->user_png_ver == NULL)
png_warning(png_ptr, "Could not store png_ptr->user_png_ver");
else
png_memcpy(png_ptr->user_png_ver, user_png_ver, length);
#endif /* PNG_iTXt_SUPPORTED */
}
/* Initialize zbuf - compression buffer */

2
pngwtran.c
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@ -1,7 +1,7 @@
/* pngwtran.c - transforms the data in a row for PNG writers
*
* Last changed in libpng 1.2.41 [November 1, 2009]
* Last changed in libpng 1.2.41 [November 2, 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.)

2
pngwutil.c
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@ -1,7 +1,7 @@
/* pngwutil.c - utilities to write a PNG file
*
* Last changed in libpng 1.2.41 [November 1, 2009]
* Last changed in libpng 1.2.41 [November 2, 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.)