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Imported from libpng-1.2.7beta1.tar

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Glenn Randers-Pehrson
Glenn Randers-Pehrson committed Aug 26, 2004
1 parent 37f116a commit a4981d4dedba8d03fae845286d411237bd5adc04
Showing with 490 additions and 25,673 deletions.
  1. +11 −106 ANNOUNCE
  2. +52 −6 CHANGES
  3. +47 −49 INSTALL
  4. +1 −1 KNOWNBUG
  5. +2 −2 LICENSE
  6. +0 −66 Makefile.am
  7. +0 −898 Makefile.in
  8. +26 −37 README
  9. +2 −2 Y2KINFO
  10. +0 −4,445 aclocal.m4
  11. +0 −5 autogen.sh
  12. +0 −1,400 config.guess
  13. +0 −92 config.h.in
  14. +0 −1,469 config.sub
  15. +12 −10,611 configure
  16. +0 −41 configure.ac
  17. +0 −423 depcomp
  18. +0 −276 install-sh
  19. +32 −21 libpng.3
  20. +22 −13 libpng.txt
  21. +2 −2 libpngpf.3
  22. +0 −5,107 ltmain.sh
  23. +0 −336 missing
  24. +0 −111 mkinstalldirs
  25. +17 −3 png.5
  26. +3 −3 png.c
  27. +21 −20 png.h
  28. +0 −11 pngasmrd.h
  29. +14 −14 pngconf.h
  30. +1 −1 pngerror.c
  31. +1 −1 pnggccrd.c
  32. +1 −1 pngget.c
  33. +1 −1 pngmem.c
  34. BIN pngnow.png
  35. +1 −1 pngpread.c
  36. +3 −3 pngread.c
  37. +1 −1 pngrio.c
  38. +1 −1 pngrtran.c
  39. +1 −1 pngrutil.c
  40. +1 −1 pngset.c
  41. +2 −2 pngtest.c
  42. BIN pngtest.png
  43. +1 −1 pngtrans.c
  44. +1 −1 pngvcrd.c
  45. +1 −1 pngwio.c
  46. +1 −1 pngwrite.c
  47. +1 −1 pngwtran.c
  48. +13 −41 pngwutil.c
  49. +1 −1 scripts/libpng-config-head.in
  50. +1 −1 scripts/libpng.pc.in
  51. +12 −2 scripts/makefile.32sunu
  52. +12 −2 scripts/makefile.64sunu
  53. +1 −1 scripts/makefile.aix
  54. +12 −2 scripts/makefile.beos
  55. +12 −2 scripts/makefile.cygwin
  56. +12 −2 scripts/makefile.darwin
  57. +12 −2 scripts/makefile.dec
  58. +12 −2 scripts/makefile.gcmmx
  59. +12 −2 scripts/makefile.hpgcc
  60. +12 −2 scripts/makefile.hpux
  61. +12 −2 scripts/makefile.linux
  62. +1 −1 scripts/makefile.ne12bsd
  63. +1 −1 scripts/makefile.netbsd
  64. +1 −1 scripts/makefile.openbsd
  65. +12 −2 scripts/makefile.sco
  66. +15 −3 scripts/makefile.sggcc
  67. +15 −3 scripts/makefile.sgi
  68. +12 −2 scripts/makefile.so9
  69. +12 −2 scripts/makefile.solaris
  70. +1 −1 scripts/pngos2.def
  71. +1 −1 scripts/pngw32.def
  72. +0 −3 test-pngtest.sh
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117 ANNOUNCE
@@ -1,114 +1,19 @@
-Libpng 1.2.6 - August 15, 2004
+Libpng 1.2.7beta1 - August 26, 2004
-This is a public release of libpng, intended for use in production codes.
+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.
-Changes since the last public release (1.2.5):
+Changes since the last public release (1.2.6):
- Commented out warning about uninitialized mmx_support in pnggccrd.c.
- Changed "IBMCPP__" flag to "__IBMCPP__" in pngconf.h.
- Relocated two more misplaced PNGAPI lines in pngtest.c
- Fixed memory overrun bug in png_do_read_filler() with 16-bit datastreams,
- introduced in version 1.0.2.
- Fixed potential overrun in pngerror.c by using strncpy instead of memcpy.
- Revised makefile.macosx, makefile.dec, makefile.aix, and makefile.32sunu.
- Changed the one instance of "ln -sf" to "ln -f -s" in each Sun makefile.
- Fixed potential overrun in pngerror.c by using strncpy instead of memcpy.
- Added "#!/bin/sh" at the top of configure, for recognition of the
- 'x' flag under Cygwin (Cosmin).
- Optimized vacuous tests that silence compiler warnings, in png.c (Cosmin).
- Added support for PNG_USER_CONFIG, in pngconf.h (Cosmin).
- Fixed the special memory handler for Borland C under DOS, in pngmem.c
- (Cosmin).
- Removed some spurious assignments in pngrutil.c (Cosmin).
- Replaced 65536 with 65536L, and 0xffff with 0xffffL, to silence warnings
- on 16-bit platforms (Cosmin).
- Enclosed shift op expressions in parentheses, to silence warnings (Cosmin).
- Used proper type png_fixed_point, to avoid problems on 16-bit platforms,
- in png_handle_sRGB() (Cosmin).
- Added compression_type to png_struct, and optimized the window size
- inside the deflate stream (Cosmin).
- Fixed definition of isnonalpha(), in pngerror.c and pngrutil.c (Cosmin).
- Fixed handling of unknown chunks that come after IDAT (Cosmin).
- Allowed png_error() and png_warning() to work even if png_ptr == NULL
- (Cosmin).
- Replaced row_info->rowbytes with row_bytes in png_write_find_filter()
- (Cosmin).
- Fixed definition of PNG_LIBPNG_VER_DLLNUM (Simon-Pierre).
- Used PNG_LIBPNG_VER and PNG_LIBPNG_VER_STRING instead of the hardcoded
- values in png.c (Simon-Pierre, Cosmin).
- Initialized png_libpng_ver[] with PNG_LIBPNG_VER_STRING (Simon-Pierre).
- Replaced PNG_LIBPNG_VER_MAJOR with PNG_LIBPNG_VER_DLLNUM in png.rc
- (Simon-Pierre).
- Moved the definition of PNG_HEADER_VERSION_STRING near the definitions
- of the other PNG_LIBPNG_VER_... symbols in png.h (Cosmin).
- Relocated #ifndef PNGAPI guards in pngconf.h (Simon-Pierre, Cosmin).
- Updated scripts/makefile.vc(a)win32 (Cosmin).
- Updated the MSVC project (Simon-Pierre, Cosmin).
- Updated the Borland C++ Builder project (Cosmin).
- Avoided access to asm_flags in pngvcrd.c, if PNG_1_0_X is defined (Cosmin).
- Commented out warning about uninitialized mmx_support in pngvcrd.c (Cosmin).
- Removed scripts/makefile.bd32 and scripts/pngdef.pas (Cosmin).
- Added extra guard around inclusion of Turbo C memory headers, in pngconf.h
- (Cosmin).
- Renamed projects/msvc/ to projects/visualc6/, and projects/borland/ to
- projects/cbuilder5/ (Cosmin).
- Moved projects/visualc6/png32ms.def to scripts/pngw32.def,
- and projects/visualc6/png.rc to scripts/pngw32.rc (Cosmin).
- Added projects/visualc6/pngtest.dsp; removed contrib/msvctest/ (Cosmin).
- Updated contrib/visupng/VisualPng.dsp (Cosmin).
- Updated contrib/visupng/cexcept.h to version 2.0.0 (Cosmin).
- Added a separate distribution with "configure" and supporting files (Junichi).
- Added user ability to change png_size_t via a PNG_SIZE_T macro.
- Added png_sizeof() and png_convert_size() functions.
- Added PNG_SIZE_MAX (maximum value of a png_size_t variable.
- Added check in png_malloc_default() for (size_t)size != (png_uint_32)size
- which would indicate an overflow.
- Changed sPLT failure action from png_error to png_warning and abandon chunk.
- Changed sCAL and iCCP failures from png_error to png_warning and abandon.
- Added png_get_uint_31(png_ptr, buf) function.
- Added PNG_UINT_32_MAX macro.
- Renamed PNG_MAX_UINT to PNG_UINT_31_MAX.
- Made png_zalloc() issue a png_warning and return NULL on potential
- overflow.
- Revised "clobber list" in pnggccrd.c so it will compile under gcc-3.4.
- Revised Borland portion of png_malloc() to return NULL or issue
- png_error() according to setting of PNG_FLAG_MALLOC_NULL_MEM_OK.
- Added PNG_NO_SEQUENTIAL_READ_SUPPORTED macro to conditionally remove
- sequential read support.
- Added some "#if PNG_WRITE_SUPPORTED" blocks.
- #ifdef'ed out some redundancy in png_malloc_default().
- Use png_malloc instead of png_zalloc to allocate the pallete.
- Rearranged order of processing of color types in png_handle_tRNS().
- Added PNG_ROWBYTES macro to calculate rowbytes without integer overflow.
- Updated makefile.darwin and removed makefile.macosx from scripts directory.
- Imposed default one million column, one-million row limits on the image
- dimensions, and added png_set_user_limits() function and
- PNG_SET_USER_LIMITS_SUPPORTED macro to override them.
- Fixed wrong cast of returns from png_get_user_width|height_max().
- Fixed buffer overflow vulnerability in png_handle_tRNS()
- Fixed integer arithmetic overflow vulnerability in png_read_png().
- Fixed some harmless bugs in png_handle_sBIT, etc, that would cause
- duplicate chunk types to go undetected.
- Changed some "keep the compiler happy" from empty statements to returns,
-Revised libpng.txt to remove 1.2.x stuff from the 1.0.x distribution
- Revised makefile.darwin and makefile.solaris. Removed makefile.macosx.
- Revised pngtest's png_debug_malloc() to use png_malloc() instead of
- png_malloc_default() which is not supposed to be exported.
- Fixed old bug in RGB to Gray transformation.
- Fixed problem with 64-bit compilers by casting arguments to abs()
- to png_int_32.
- Changed "ln -sf" to "ln -f -s" in three makefiles (solaris, sco, so9).
- Changed "HANDLE_CHUNK_*" to "PNG_HANDLE_CHUNK_*" (Cosmin)
- Added "-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)" to 15 *NIX makefiles.
- Added code to update the row_info->colortype in png_do_read_filler() (MSB).
- Eliminated use of "abs()" in testing cHRM and gAMA values, to avoid
- trouble with some 64-bit compilers. Created PNG_OUT_OF_RANGE() macro.
- Revised documentation of png_set_keep_unknown_chunks().
- Check handle_as_unknown status in pngpread.c, as in pngread.c previously.
- Moved "PNG_HANDLE_CHUNK_*" macros out of PNG_INTERNAL section of png.h
- Added "rim" definitions for CONST4 and CONST6 in pnggccrd.c
+version 1.2.7beta1 [August 26, 2004]
Revised pngtest so memory allocation testing is only done when PNG_DEBUG==1.
+ Removed unused pngasmrd.h file.
+ Removed unused pngasmrd.h file.
+ Removed references to uu.net for archived files. Added references to
+ PNG Spec (second edition) and the PNG ISO/IEC Standard.
+ Added "test-dd" target in 15 makefiles, to run pngtest in DESTDIR.
+ Fixed bug with "optimized window size" in the IDAT datastream.
Send comments/corrections/commendations to
png-implement@ccrc.wustl.edu or to glennrp@users.sourceforge.net
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