| Libpng 1.6.26 - October 20, 2016 |
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| This is a public release of libpng, intended for use in production codes. |
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| Files available for download: |
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| Source files with LF line endings (for Unix/Linux) and with a |
| "configure" script |
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| libpng-1.6.26.tar.xz (LZMA-compressed, recommended) |
| libpng-1.6.26.tar.gz |
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| Source files with CRLF line endings (for Windows), without the |
| "configure" script |
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| lpng1626.7z (LZMA-compressed, recommended) |
| lpng1626.zip |
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| Other information: |
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| libpng-1.6.26-README.txt |
| libpng-1.6.26-LICENSE.txt |
| libpng-1.6.26-*.asc (armored detached GPG signatures) |
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| Changes since the last public release (1.6.25): |
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| Fixed handling zero length IDAT in pngfix (bug report by Agostino Sarubbo, |
| bugfix by John Bowler). |
| Do not issue a png_error() on read in png_set_pCAL() because png_handle_pCAL |
| has allocated memory that libpng needs to free. |
| Conditionally compile png_set_benign_errors() in pngread.c and pngtest.c |
| Issue a png_benign_error instead of a png_error on ADLER32 mismatch |
| while decoding compressed data chunks. |
| Changed PNG_ZLIB_VERNUM to ZLIB_VERNUM in pngpriv.h, pngstruct.h, and |
| pngrutil.c. |
| If CRC handling of critical chunks has been set to PNG_CRC_QUIET_USE, |
| ignore the ADLER32 checksum in the IDAT chunk as well as the chunk CRCs. |
| Issue png_benign_error() on ADLER32 checksum mismatch instead of png_error(). |
| Add tests/badcrc.png and tests/badadler.png to tests/pngtest. |
| Merged pngtest.c with libpng-1.7.0beta84/pngtest.c |
| Updated the documentation about CRC and ADLER32 handling. |
| Quieted 117 warnings from clang-3.8 in pngtrans.c, pngread.c, |
| pngwrite.c, pngunknown.c, and pngvalid.c. |
| Quieted the 144 remaining -Wconversion compiler warnings by |
| revising the png_isaligned() macro and trivial changes in png.c, |
| pngerror.c, pngget.c, pngmem.c, pngset.c, pngrtran.c, pngrutil.c, |
| pngwtran.c, pngwrite.c, and pngwutil.c. |
| Quieted (bogus?) clang warnings about "absolute value has no effect" |
| when PNG_USE_ABS is defined. |
| Fixed offsets in contrib/intel/intel_sse.patch |
| Changed integer constant 4294967294 to unsigned 4294967294U in pngconf.h |
| to avoid a signed/unsigned compare in the preprocessor. |
| Use zlib-1.2.8.1 inflateValidate() instead of inflateReset2() to |
| optionally avoid ADLER32 evaluation. |
| Cosmetic change, "ptr != 0" to "ptr != NULL" in png.c and pngrutil.c |
| Despammed email addresses (replaced "@" with " at "). |
| |
| Send comments/corrections/commendations to png-mng-implement at lists.sf.net |
| (subscription required; visit |
| https://lists.sourceforge.net/lists/listinfo/png-mng-implement |
| to subscribe) |
| or to glennrp at users.sourceforge.net |
| |
| Glenn R-P |
