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56 lines
2.1 KiB
Plaintext
56 lines
2.1 KiB
Plaintext
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Libpng 1.5.27beta01 - December 29, 2015
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This is not intended to be a public release. It will be replaced
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within a few weeks by a public version or by another test version.
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Files available for download:
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Source files with LF line endings (for Unix/Linux) and with a
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"configure" script
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1.5.27beta01.tar.xz (LZMA-compressed, recommended)
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1.5.27beta01.tar.gz
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Source files with CRLF line endings (for Windows), without the
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"configure" script
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lp1527b01.7z (LZMA-compressed, recommended)
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lp1527b01.zip
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Other information:
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1.5.27beta01-README.txt
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1.5.27beta01-LICENSE.txt
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libpng-1.5.27beta01-*.asc (armored detached GPG signatures)
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Changes since the last public release (1.5.26):
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version 1.5.27beta01 [December 29, 2015]
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Removed LE/BE dependencies in pngvalid, to 'fix' the current problem
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in the BigEndian tests by not testing it, making the BE code the same
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as the LE version.
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Fixes to pngvalid for various reduced build configurations (eliminate unused
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statics) and a fix for the case in rgb_to_gray when the digitize option
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reduces graylo to 0, producing a large error.
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Widened the 'limit' check on the internally calculated error limits in
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the 'DIGITIZE' case (the code used prior to 1.7 for rgb_to_gray error
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checks) and changed the check to only operate in non-release builds
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(base build type not RC or RELEASE.)
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Fixed undefined behavior in pngvalid.c, undefined because
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(png_byte) << shift is undefined if it changes the signed bit
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(because png_byte is promoted to int). The libpng exported functions
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png_get_uint_32 and png_get_uint_16 handle this. (Bug reported by
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David Drysdale as a result of reports from UBSAN in clang 3.8).
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This changes pngvalid to use BE random numbers; this used to produce
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errors but these should not be fixed as a result of the previous changes.
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In projects/vstudio, combined readme.txt and WARNING into README.txt
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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(subscription required; visit
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https://lists.sourceforge.net/lists/listinfo/png-mng-implement
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to subscribe)
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or to glennrp at users.sourceforge.net
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Glenn R-P
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