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Update libpng to 1.2.26.

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git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@6060 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Michael R Sweet
2008-03-01 06:37:33 +00:00
parent 27147a02c4
commit 023ddf39ba
25 changed files with 1419 additions and 1180 deletions
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@@ -1480,7 +1480,7 @@ version 1.2.9beta5 [March 4, 2006]
Restored scripts/makefile.elf which was inadvertently deleted.
version 1.2.9beta6 [March 6, 2006]
Fixed typo (16) in configuration files.
Fixed typo (RELEASE) in configuration files.
version 1.2.9beta7 [March 7, 2006]
Removed libpng.vers and libpng.sym from libpng12_la_SOURCES in Makefile.am
@@ -1669,7 +1669,7 @@ version 1.2.15rc2 [December 21, 2006]
Added scripts/makefile.nommx
version 1.2.15rc3 [December 25, 2006]
Fixed shared library numbering error that was intruduced in 1.2.15beta6.
Fixed shared library numbering error that was introduced in 1.2.15beta6.
version 1.2.15rc4 [December 27, 2006]
Fixed handling of rgb_to_gray when png_ptr->color.gray isn't set.
@@ -1677,7 +1677,7 @@ version 1.2.15rc4 [December 27, 2006]
version 1.2.15rc5 [December 31, 2006]
Revised handling of rgb_to_gray.
version 1.2.15 [January 5, 2007]
version 1.0.23, 1.2.15 [January 5, 2007]
Added some (unsigned long) typecasts in pngtest.c to avoid printing errors.
version 1.2.16beta1 [January 6, 2007]
@@ -1686,9 +1686,396 @@ version 1.2.16beta1 [January 6, 2007]
version 1.2.16beta2 [January 16, 2007]
Revised scripts/CMakeLists.txt
version 1.2.16 [January 31, 2007]
version 1.0.24, 1.2.16 [January 31, 2007]
No changes.
version 1.2.17beta1 [March 6, 2007]
Revised scripts/CMakeLists.txt to install both shared and static libraries.
Deleted a redundant line from pngset.c.
version 1.2.17beta2 [April 26, 2007]
Relocated misplaced test for png_ptr == NULL in pngpread.c
Change "==" to "&" for testing PNG_RGB_TO_GRAY_ERR & PNG_RGB_TO_GRAY_WARN
flags.
Changed remaining instances of PNG_ASSEMBLER_* to PNG_MMX_*
Added pngerror() when write_IHDR fails in deflateInit2().
Added "const" to some array declarations.
Mention examples of libpng usage in the libpng*.txt and libpng.3 documents.
version 1.2.17rc1 [May 4, 2007]
No changes.
version 1.2.17rc2 [May 8, 2007]
Moved several PNG_HAVE_* macros out of PNG_INTERNAL because applications
calling set_unknown_chunk_location() need them.
Changed transformation flag from PNG_EXPAND_tRNS to PNG_EXPAND in
png_set_expand_gray_1_2_4_to_8().
Added png_ptr->unknown_chunk to hold working unknown chunk data, so it
can be free'ed in case of error. Revised unknown chunk handling in
pngrutil.c and pngpread.c to use this structure.
version 1.2.17rc3 [May 8, 2007]
Revised symbol-handling in configure script.
version 1.2.17rc4 [May 10, 2007]
Revised unknown chunk handling to avoid storing unknown critical chunks.
version 1.0.25 [May 15, 2007]
version 1.2.17 [May 15, 2007]
Added "png_ptr->num_trans=0" before error return in png_handle_tRNS,
to eliminate a vulnerability (CVE-2007-2445, CERT VU#684664)
version 1.0.26 [May 15, 2007]
version 1.2.18 [May 15, 2007]
Reverted the libpng-1.2.17rc3 change to symbol-handling in configure script
version 1.2.19beta1 [May 18, 2007]
Changed "const static" to "static PNG_CONST" everywhere, mostly undoing
change of libpng-1.2.17beta2. Changed other "const" to "PNG_CONST"
Changed some handling of unused parameters, to avoid compiler warnings.
"if (unused == NULL) return;" becomes "unused = unused".
version 1.2.19beta2 [May 18, 2007]
Only use the valid bits of tRNS value in png_do_expand() (Brian Cartier)
version 1.2.19beta3 [May 19, 2007]
Add some "png_byte" typecasts in png_check_keyword() and write new_key
instead of key in zTXt chunk (Kevin Ryde).
version 1.2.19beta4 [May 21, 2007]
Add png_snprintf() function and use it in place of sprint() for improved
defense against buffer overflows.
version 1.2.19beta5 [May 21, 2007]
Fixed png_handle_tRNS() to only use the valid bits of tRNS value.
Changed handling of more unused parameters, to avoid compiler warnings.
Removed some PNG_CONST in pngwutil.c to avoid compiler warnings.
version 1.2.19beta6 [May 22, 2007]
Added some #ifdef PNG_MMX_CODE_SUPPORTED where needed in pngvcrd.c
Added a special "_MSC_VER" case that defines png_snprintf to _snprintf
version 1.2.19beta7 [May 22, 2007]
Squelched png_squelch_warnings() in pnggccrd.c and added an
#ifdef PNG_MMX_CODE_SUPPORTED block around the declarations that caused
the warnings that png_squelch_warnings was squelching.
version 1.2.19beta8 [May 22, 2007]
Removed __MMX__ from test in pngconf.h.
version 1.2.19beta9 [May 23, 2007]
Made png_squelch_warnings() available via PNG_SQUELCH_WARNINGS macro.
Revised png_squelch_warnings() so it might work.
Updated makefile.sgcc and makefile.solaris; added makefile.solaris-x86.
version 1.2.19beta10 [May 24, 2007]
Resquelched png_squelch_warnings(), use "__attribute__((used))" instead.
version 1.2.19beta11 [May 28, 2007]
Return 0 from png_get_sPLT() and png_get_unknown_chunks() if png_ptr is NULL;
changed three remaining instances of png_strcpy() to png_strncpy() (David
Hill).
Make test for NULL row_buf at the beginning of png_do_read_transformations
unconditional.
version 1.2.19beta12 [May 28, 2007]
Revised pnggccrd.c.
version 1.2.19beta13 [June 14, 2007]
Prefer PNG_USE_PNGVCRD when _MSC_VER is defined in pngconf.h
version 1.2.19beta14 [June 16, 2007]
Fix bug with handling of 16-bit transparency, introduced in 1.2.19beta2
version 1.2.19beta15 [June 17, 2007]
Revised pnggccrd.c.
version 1.2.19beta16 [June 18, 2007]
Revised pnggccrd.c again.
Updated contrib/gregbook.
Changed '#include "pnggccrd.c"' to 'include "$srcdir/pnggccrd.c"'
in configure.ac
version 1.2.19beta17 [June 19, 2007]
Revised many of the makefiles, to set -DPNG_NO_MMX_CODE where needed
and to not use -O3 unless -DPNG_NO_MMX_CODE is also set.
version 1.2.19beta18 [June 23, 2007]
Replaced some C++ style comments with C style comments in pnggccrd.c.
Copied optimized C code from pnggccrd.c to pngrutil.c, removed dependency
on pnggccrd.o from many makefiles.
Added sl and dylib to list of extensions be installed by Makefile.am
version 1.2.19beta19 [June 28, 2007]
Fixed testing PNG_RGB_TO_GRAY_ERR & PNG_RGB_TO_GRAY_WARN in pngrtran.c
More cleanup of pnggccrd.c and pngvcrd.c
version 1.2.19beta20 [June 29, 2007]
Rebuilt Makefile.in and configure using libtool-1.5.24.
Fixed typo in pnggccrd.c
version 1.2.19beta21 [June 30, 2007]
More revision of pnggccrd.c
Added "test" target to Makefile.in and Makefile.am
version 1.2.19beta22 [July 3, 2007]
Added info about pngrutil/pnggccrd/pngvcrd to png_get_header_version()
Fix type definition of dummy_value_a, b in pnggccrd.c
version 1.2.19beta23 [July 10, 2007]
Revert change to type definition of dummy_value_a, b in pnggccrd.c
Make sure __PIC__ is defined in pnggccrd.c when PIC is defined.
Require gcc-4.1 or better to use PNG_HAVE_MMX_FILTER_ROW on x86_64 platforms
version 1.2.19beta24 [July 14, 2007]
Added PNG_NO_READ_FILTER, PNG_NO_WRITE_FILTER, PNG_NO_WARNING macros.
Added contrib/pngminim to demonstrate building minimal encoder and decoder
version 1.2.19beta25 [July 15, 2007]
Removed the new PNG_NO_READ_FILTER macro since it would make the library
unable to read valid PNG files, and filtering is at the heart of the
PNG format.
version 1.2.19beta26 [July 16, 2007]
Changed "png_free(str)" to "png_free(png_ptr,str)" in pngrutil.c WinCE
code (Yves Piguet). This bug was introduced in libpng-1.2.14.
Updated scripts/CMakeLists.txt
Relocated a misplaced #endif in pnggccrd.c
version 1.2.19beta27 [July 17, 2007]
Fixed incorrect stride and number of bytes copied (was 4 instead of
6 bytes) in the cleanup loop of pnggccrd.c and pngvcrd.c for handling
the end of 48-bit interlaced rows (Glenn R-P).
version 1.2.19beta28 [July 19, 2007]
Removed requirement for gcc-4.1 or better to use PNG_HAVE_MMX_FILTER_ROW
on x86_64 platforms
Added png_warning() in pngrutil.c for short iCCP, iTXt, sPLT, or zTXT chunks.
Revised pngtest.c so warnings are displayed regardless of PNG_NO_STDIO.
version 1.2.19beta29 [July 20, 2007]
Fix typo in pnggccrd.c (%%eax should be %%ax in secondloop48)
version 1.2.19beta30 [July 26, 2007]
Revised pnggccrd.c
version 1.2.19beta31 [July 27, 2007]
Fix typos in pnggccrd.c
version 1.0.27rc1 and 1.2.19rc1 [July 31, 2007]
Disable PNG_MMX_CODE_SUPPORTED when PNG_ASSEMBLER_CODE_SUPPORTED is off.
Enable PNG_MMX_READ_FILTER_* by default, except when gcc-3.x is being
used (they were inadvertently disabled in libpng-1.2.19beta23).
Fix some debugging statements in pnggccrd.c and pngrutil.c
Added information about disabling the MMX code in libpng documentation.
version 1.0.27rc2 and 1.2.19rc2 [August 4, 2007]
Removed some "#if 0" blocks.
Made a global struct local in pngvcrd.c to make it thread safe.
Issue a png_error() if application attempts to transform a row tht
has not been initialized.
version 1.0.27rc3 and 1.2.19rc3 [August 9, 2007]
Slightly revised pngvcrd.c
version 1.0.27rc4 and 1.2.19rc4 [August 9, 2007]
Revised pnggccrd.c debugging change of rc1, which was broken.
Revised scripts/CMakeLists.txt
Change default to PNG_NO_GLOBAL_ARRAYS for MSVC.
Turn off PNG_FLAG_ROW_INIT flag when setting transforms that expand pixels.
version 1.0.27rc5 and 1.2.19rc5 [August 10, 2007]
Fix typo (missing '"') in pnggccrd.c
Revise handling of png_strtod in recent versions of WINCE
version 1.0.27rc6 and 1.2.19rc6 [August 15, 2007]
Fix typo (missing ',') in contrib/gregbook/readpng2.c
Undid row initialization error exit added to rc2 and rc4.
version 1.0.27 and 1.2.19 [August 18, 2007]
Conditionally restored row initialization error exit.
version 1.2.20beta01 [August 19, 2007]
Fixed problem with compiling pnggccrd.c on Intel-Apple platforms.
Changed png_malloc() to png_malloc_warn() in png_set_sPLT().
Added PNG_NO_ERROR_TEXT feature, with demo in contrib/pngminim
Removed define PNG_WARN_UNINITIALIZED_ROW 1 /* 0: warning; 1: error */
because it caused some trouble.
version 1.2.20beta02 [August 20, 2007]
Avoid compiling pnggccrd.c on Intel-Apple platforms.
version 1.2.20beta03 [August 20, 2007]
Added "/D PNG_NO_MMX_CODE" to the non-mmx builds of projects/visualc6
and visualc71.
version 1.2.20beta04 [August 21, 2007]
Revised pngvcrd.c for improved efficiency (Steve Snyder).
version 1.2.20rc1 [August 23, 2007]
Revised pngconf.h to set PNG_NO_MMX_CODE for gcc-3.x compilers.
version 1.2.20rc2 [August 27, 2007]
Revised scripts/CMakeLists.txt
Revised #ifdefs to ensure one and only one of pnggccrd.c, pngvcrd.c,
or part of pngrutil.c is selected.
version 1.2.20rc3 [August 30, 2007]
Remove a little more code in pngwutil.c when PNG_NO_WRITE_FILTER is selected.
Added /D _CRT_SECURE_NO_WARNINGS to visual6c and visualc71 projects.
Compile png_mmx_support() in png.c even when PNG_NO_MMX_CODE is defined.
Restored a "superfluous" #ifdef that was removed from 1.2.20rc2 pnggccrd.c,
breaking the png_mmx_support() function.
version 1.2.20rc4 [September 1, 2007]
Removed Intel contributions (MMX, Optimized C).
version 1.2.20rc5 [September 2, 2007]
Restored configure and Makefile.in to rc3 and put a snippet of code in
pnggccrd.c, to ensure configure makes the same PNG_NO_MMX_CODE selection
version 1.2.20rc6 [September 2, 2007]
Fixed bugs in scripts/CMakeLists.txt
Removed pngvcrd.c references from msvc projects.
version 1.0.28 and 1.2.20 [September 8, 2007]
Removed "(NO READ SUPPORT)" from png_get_header_version() string.
version 1.2.21beta1 [September 14, 2007]
Fixed various mistakes reported by George Cook and Jeff Phillips:
logical vs bitwise NOT in pngrtran.c, bug introduced in 1.2.19rc2
16-bit cheap transparency expansion, bug introduced in 1.2.19beta2
errors with sizeof(unknown_chunk.name), bugs introduced in 1.2.19beta11
<= compare with unsigned var in pngset.c, should be ==.
version 1.2.21beta2 [September 18, 2007]
Removed some extraneous typecasts.
version 1.2.21rc1 [September 25, 2007]
Fixed potential out-of-bounds reads in png_handle_pCAL() and
png_handle_ztXt() ("flayer" results reported by Tavis Ormandy).
version 1.2.21rc2 [September 26, 2007]
Fixed potential out-of-bounds reads in png_handle_sCAL(),
png_handle_iTXt(), and png_push_read_tEXt().
Remove some PNG_CONST declarations from pngwutil.c to avoid compiler warnings
Revised makefiles to update paths in libpng.pc properly.
version 1.2.21rc3 [September 27, 2007]
Revised makefiles to update "Libs" in libpng.pc properly.
version 1.0.29 and 1.2.21rc3 [October 4, 2007]
No changes.
version 1.2.22beta1 [October 4, 2007]
Again, fixed logical vs bitwise NOT in pngrtran.c, bug introduced
in 1.2.19rc2
version 1.2.22beta2 [October 5, 2007]
Fixed string length error in pngset.c (caused crashes while decoding iCCP)
Add terminating NULL after each instance of png_strncpy().
version 1.2.22beta3 [October 6, 2007]
Fix two off-by-one terminating NULL after png_strncpy().
version 1.2.22beta4 [October 7, 2007]
Changed some 0 to '\0'.
version 1.0.30rc1 and 1.2.22rc1 [October 8, 2007]
No changes.
version 1.0.30 and 1.2.22 [October 13, 2007]
No changes.
version 1.2.23beta01 [October 15, 2007]
Reduced number of invocations of png_strlen() in pngset.c.
Changed [azAZ09_] to [_abcde...89] in Makefile.am for better localization.
version 1.2.23beta02 [October 16, 2007]
Eliminated png_strncpy() and png_strcpy() (Pierre Poissinger)
Changed $AN to $(AN) in Makefile.am.
version 1.2.23beta03 [October 16, 2007]
Fixed off-by-one error in pngset.c
Restore statement to set last character of buffer to \0 in pngerror.c
version 1.2.23beta04 [October 23, 2007]
Reject attempt to set all-zero cHRM values.
version 1.2.23beta05 [October 26, 2007]
Add missing quotes in projects/visualc6, lost in version 1.2.20rc3
version 1.2.23rc01 [November 2, 2007]
No changes.
version 1.2.23 [November 6, 2007]
No changes.
version 1.2.24beta01 [November 19, 2007]
Moved misplaced test for malloc failure in png_set_sPLT(). This bug was
introduced in libpng-1.2.20beta01.
Ifdef out avg_row etc from png.h and pngwrite.c when PNG_NO_WRITE_FILTER
Do not use png_ptr->free_fn and png_ptr->mem_fn in png_destroy_read_struct()
when png_ptr is NULL (Marshall Clow).
Updated handling of symbol prefixes in Makefile.am and configure.ac (Mike
Frysinger).
version 1.2.24beta02 [November 30, 2007]
Removed a useless test and fixed incorrect test in png_set_cHRM_fixed()
(David Hill).
version 1.2.24rc01 [December 7, 2007]
No changes.
version 1.2.24 [December 14, 2007]
Make sure not to redefine _BSD_SOURCE in pngconf.h
Revised gather.sh and makefile.std in contrib/pngminim to avoid compiling
unused files.
version 1.2.25beta01 [January 7, 2008]
Fixed bug with unknown chunk handling, introduced in version 1.2.17rc2
version 1.2.25beta02 [January 10, 2008]
Prevent gamma from being applied twice.
version 1.2.25rc01 [January 17, 2008]
No changes.
version 1.2.25beta03 [January 22, 2008]
Fixed some continue-after-malloc-failure errors in pngset.c (David Hill)
Check for info_ptr == NULL in png_read_info() and png_process_data().
Check for possible use of NULL user_png_ver[] in png_create_read_struct().
Change "if (swidth == NULL)" to "if (sheight == NULL)" in png_handle_sCAL
(bug introduced in libpng-1.2.4/1.0.13).
Return from png_destroy_read_struct() if png_ptr_ptr is NULL.
Fix overflow of "msg" in png_decompres_chunk().
version 1.2.25beta04 [January 26, 2008]
Work around Coverity bug report by slightly refactoring
png_read_push_finish_row()
version 1.2.25beta05 [January 31, 2008]
Added libpng-1.2.25beta05.tar.lzma to distribution. Get the lzma codec
from <http://tukaani.org/lzma>.
Added lp1225b05.7z to distribution. Get the 7-zip decoder from
from <http://www.7-zip.org>.
Fixed some broken links in the README file.
version 1.2.25beta06 [February 6, 2008]
Refactored png_read_push_finish_row() again, trying to satisfy Coverity.
Fixed potential NULL dereference of png_ptr in png_destroy_write_struct();
clarified potential NULL dereference of png_ptr in png_destroy_read_struct();
fixed potential NULL dereference of info_ptr in png_handle_bKGD();
fixed potential NULL dereference of user_png_ver[] in
png_create_write_struct_2(). (Coverity)
version 1.2.25rc02 [February 10, 2008]
Reset png_ptr->pass in png_read_push_finish_row() before break.
Changed "pass" from png_byte to int.
version 1.2.25 and 1.0.31 [February 18, 2008]
No changes.
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