[libpng17] Imported from libpng-1.7.0beta34.tar

This commit is contained in:
Glenn Randers-Pehrson 2014-03-17 10:28:56 -05:00
parent 0fb41f05df
commit b407af6503
23 changed files with 41 additions and 40 deletions

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@ -12,10 +12,10 @@ Contents
VII. Building with makefiles
VIII. Configuring libpng for 16-bit platforms
IX. Configuring for DOS
X. Configuring for Medium Model
X. Configuring for Medium Model
XI. Prepending a prefix to exported symbols
XII. Configuring for compiler xxx:
XIII Removing unwanted object code
XIII. Removing unwanted object code
XIV. Changes to the build and configuration of libpng in libpng-1.5.x
XV. Configuring libpng for multiprocessing
XVI. Other sources of information about libpng:

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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 1.7.0beta34, February 27, 2014, are
libpng versions 1.2.6, August 15, 2004, through 1.7.0beta34, March 17, 2014, are
Copyright (c) 2004, 2006-2014 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
February 27, 2014
March 17, 2014

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@ -145,8 +145,8 @@ config.sub configure depcomp install-sh ltmain.sh missing
PNG_COPTS = @PNG_COPTS@
AM_CFLAGS = ${PNG_COPTS}
# DFNCPP is normally just CPP - the C preprocessor - but on Solaris and maybe
# other operating systems (NeXT?) the C preprocessor selected by configure
# DFNCPP is normally just "CPP -E" - the C preprocessor - but on Solaris and
# maybe other operating systems (NeXT?) the C preprocessor selected by configure
# checks input tokens for validity - effectively it performs part of the ANSI-C
# parsing - and therefore fails with the .df files. configure.ac has special
# checks for this and sets DFNCPP appropriately.

2
README
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@ -1,4 +1,4 @@
README for libpng version 1.7.0beta34 - February 27, 2014 (shared library 17.0)
README for libpng version 1.7.0beta34 - March 17, 2014 (shared library 17.0)
See the note about version numbers near the top of png.h
See INSTALL for instructions on how to install libpng.

1
TODO
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@ -6,6 +6,7 @@ Better C++ wrapper/full C++ implementation?
Fix problem with C++ and EXTERN "C".
cHRM transformation.
Remove setjmp/longjmp usage in favor of returning error codes.
Palette creation.
Add "grayscale->palette" transformation and "palette->grayscale" detection.
Improved dithering.
Multi-lingual error and warning message support.

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@ -22,7 +22,7 @@
/* WARNING: it is strongly recommended that you do not build libpng with
* run-time checks for CPU features if at all possible. In the case of the ARM
* NEON instructions there is no processor-specific way of detecting the
* presense of the required support, therefore run-time detectioon is extremely
* presence of the required support, therefore run-time detection is extremely
* OS specific.
*
* You may set the macro PNG_ARM_NEON_FILE to the file name of file containing

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@ -79,7 +79,7 @@ fi
# This is a remnant of the old cc -E validation, where it may have been
# necessary to use a different preprocessor for .dfn files
DFNCPP="$CPP"
DFNCPP="$CPP -E"
AC_SUBST(DFNCPP)
# -Werror cannot be passed to GCC in CFLAGS because configure will fail (it
@ -294,7 +294,7 @@ AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")
if test "$have_ld_version_script" = "yes"; then
AC_MSG_CHECKING([for symbol prefix])
SYMBOL_PREFIX=`echo "PREFIX=__USER_LABEL_PREFIX__" \
| ${CPP-${CC-gcc} -E} - 2>&1 \
| ${DFNCPP-${CC-gcc -E}} - 2>&1 \
| ${EGREP-grep} "^PREFIX=" \
| ${SED-sed} -e "s:^PREFIX=::" -e "s:__USER_LABEL_PREFIX__::"`
AC_SUBST(SYMBOL_PREFIX)

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@ -2,7 +2,7 @@
*
* Copyright (c) 2014 Glenn Randers-Pehrson
* Written by John Bowler, 2014.
* Last changed in libpng 1.6.10 [(PENDING RELEASE)]
* Last changed in libpng 1.6.10 [March 6, 2014]
*
* This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer

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@ -2,7 +2,7 @@
*
* Copyright (c) 2014 Glenn Randers-Pehrson
* Written by Mans Rullgard, 2011.
* Last changed in libpng 1.6.10 [(PENDING RELEASE)]
* Last changed in libpng 1.6.10 [March 6, 2014]
*
* This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer

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@ -2,7 +2,7 @@
*
* Copyright (c) 2014 Glenn Randers-Pehrson
* Written by John Bowler, 2014.
* Last changed in libpng 1.6.10 [(PENDING RELEASE)]
* Last changed in libpng 1.6.10 [March 6, 2014]
*
* This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer

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@ -2,7 +2,7 @@
*
* Copyright (c) 2014 John Cunningham Bowler
*
* Last changed in libpng 1.6.10 [(PENDING RELEASE)]
* Last changed in libpng 1.6.10 [March 6, 2014]
*
* This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer

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@ -1,7 +1,7 @@
/* pngunknown.c - test the read side unknown chunk handling
*
* Last changed in libpng 1.6.10 [(PENDING RELEASE)]
* Last changed in libpng 1.6.10 [March 6, 2014]
* Copyright (c) 2014 Glenn Randers-Pehrson
* Written by John Cunningham Bowler
*

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@ -2,7 +2,7 @@
*
* Copyright (c) 2014 John Cunningham Bowler
*
* Last changed in libpng 1.6.10 [(PENDING RELEASE)]
* Last changed in libpng 1.6.10 [March 6, 2014]
*
* This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer

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@ -1,4 +1,4 @@
.TH LIBPNGPF 3 "February 27, 2014"
.TH LIBPNGPF 3 "March 17, 2014"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.7.0beta34
(private functions)

2
png.5
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@ -1,4 +1,4 @@
.TH PNG 5 "February 27, 2014"
.TH PNG 5 "March 17, 2014"
.SH NAME
png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION

4
png.c
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@ -696,13 +696,13 @@ png_get_copyright(png_const_structrp png_ptr)
#else
# ifdef __STDC__
return PNG_STRING_NEWLINE \
"libpng version 1.7.0beta34 - March 8, 2014" PNG_STRING_NEWLINE \
"libpng version 1.7.0beta34 - March 17, 2014" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2014 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
PNG_STRING_NEWLINE;
# else
return "libpng version 1.7.0beta34 - March 8, 2014\
return "libpng version 1.7.0beta34 - March 17, 2014\
Copyright (c) 1998-2014 Glenn Randers-Pehrson\
Copyright (c) 1996-1997 Andreas Dilger\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";

10
png.h
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@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library
*
* libpng version 1.7.0beta34 - February 27, 2014
* libpng version 1.7.0beta34 - March 17, 2014
* Copyright (c) 1998-2013 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.)
@ -11,7 +11,7 @@
* 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 1.7.0beta34 - February 27, 2014: Glenn
* libpng versions 0.97, January 1998, through 1.7.0beta34 - March 17, 2014: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@ -200,7 +200,7 @@
*
* This code is released under the libpng license.
*
* libpng versions 1.2.6, August 15, 2004, through 1.7.0beta34, February 27, 2014, are
* libpng versions 1.2.6, August 15, 2004, through 1.7.0beta34, March 17, 2014, are
* Copyright (c) 2004, 2006-2013 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:
@ -312,7 +312,7 @@
* Y2K compliance in libpng:
* =========================
*
* February 27, 2014
* March 17, 2014
*
* Since the PNG Development group is an ad-hoc body, we can't make
* an official declaration.
@ -380,7 +380,7 @@
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.7.0beta34"
#define PNG_HEADER_VERSION_STRING \
" libpng version 1.7.0beta34 - February 27, 2014\n"
" libpng version 1.7.0beta34 - March 17, 2014\n"
#define PNG_LIBPNG_VER_SONUM 17
#define PNG_LIBPNG_VER_DLLNUM 17

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@ -1,7 +1,7 @@
/* pngconf.h - machine configurable file for libpng
*
* libpng version 1.7.0beta34 - February 27, 2014
* libpng version 1.7.0beta34 - March 17, 2014
*
* Copyright (c) 1998-2013 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

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@ -1,7 +1,7 @@
VisualStudio instructions
libpng version 1.7.0beta34 - February 27, 2014
libpng version 1.7.0beta34 - March 17, 2014
Copyright (c) 1998-2010 Glenn Randers-Pehrson

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@ -2,7 +2,7 @@
<!--
* zlib.props - location of zlib source
*
* libpng version 1.7.0beta34 - March 9, 2014
* libpng version 1.7.0beta34 - March 17, 2014
*
* Copyright (c) 1998-2011 Glenn Randers-Pehrson
*

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@ -1,5 +1,5 @@
Makefiles for libpng version 1.7.0beta34 - February 27, 2014
Makefiles for libpng version 1.7.0beta34 - March 17, 2014
pnglibconf.h.prebuilt => Stores configuration settings
makefile.linux => Linux/ELF makefile

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@ -1,9 +1,9 @@
#!/bin/awk -f
# scripts/dfn.awk - process a .dfn file
#
# last changed in libpng version 1.5.14 - February 4, 2013
# last changed in libpng version 1.5.19 - $RDATE%
#
# Copyright (c) 2013-2013 Glenn Randers-Pehrson
# Copyright (c) 2013-2014 Glenn Randers-Pehrson
#
# This code is released under the libpng license.
# For conditions of distribution and use, see the disclaimer
@ -25,7 +25,7 @@ BEGIN{
# The output file must be specified before any input:
NR==1 && out == "/dev/null" {
print "out=output.file must be given on the command line"
# but continue without setting the error code, this allows the
# but continue without setting the error code; this allows the
# script to be checked easily
}
@ -61,14 +61,14 @@ $1 ~ /^PNG_DFN_END_SORT/{
}
/^[^"]*PNG_DFN *".*"[^"]*$/{
# A definition line, apparently correctly formated, extract the
# A definition line, apparently correctly formatted; extract the
# definition then replace any doubled "" that remain with a single
# double quote. Notice that the original doubled double quotes
# may have been split by tokenization
#
# Sometimes GCC splits the PNG_DFN lines, we know this has happened
# Sometimes GCC splits the PNG_DFN lines; we know this has happened
# if the quotes aren't closed and must read another line. In this
# case it is essential to reject lines that start '#' because those
# case it is essential to reject lines that start with '#' because those
# are introduced #line directives.
orig=$0
line=$0
@ -126,13 +126,13 @@ $1 ~ /^PNG_DFN_END_SORT/{
else while (1) {
if (getline nextline) {
# If the line starts with '#' it is a preprocesor line directive
# from cc -E, skip it:
# from cc -E; skip it:
if (nextline !~ /^#/) {
line = line " " nextline
break
}
} else {
# This is end-of-input - probably a missig "@ on the first line:
# This is end-of-input - probably a missing "@ on the first line:
print "line", lineno ": unbalanced @\" ... \"@ pair"
err=1
next
@ -144,7 +144,7 @@ $1 ~ /^PNG_DFN_END_SORT/{
}
# Attempt to remove a trailing " (not preceded by '@') - if this can
# be done stop now, if not assume a split line again
# be done, stop now; if not assume a split line again
if (sub(/"[^"]*$/, "", line))
break
@ -189,7 +189,7 @@ $1 ~ /^PNG_DFN_END_SORT/{
}
/PNG_DFN/{
print "line", NR, "incorrectly formated PNG_DFN line:"
print "line", NR, "incorrectly formatted PNG_DFN line:"
print $0
err = 1
}

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@ -2,7 +2,7 @@
/* pnglibconf.h - library build configuration */
/* Libpng version 1.7.0beta34 - March 7, 2014 */
/* Libpng version 1.7.0beta34 - March 17, 2014 */
/* Copyright (c) 1998-2013 Glenn Randers-Pehrson */