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0054b566f4
the code prior to 1.5 would ignore the case where the output required an alpha channel or when the output was a palettized PNG. In libpng-1.5 the ignorance was lost and libpng proceeded to strip the channel resulting in a bad (potential memory overwrite) failure later. This reverts the behavior to the pre-1.5 state but issues a warning. libpng-1.6 is expected to issue an error on the erroneous png_set_filler call.
51 lines
1.8 KiB
Plaintext
51 lines
1.8 KiB
Plaintext
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Libpng 1.5.13beta02 - August 9, 2012
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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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1.5.13beta02.tar.xz (LZMA-compressed, recommended)
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1.5.13beta02.tar.gz
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1.5.13beta02.tar.bz2
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Source files with CRLF line endings (for Windows), without the
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"configure" script
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lp1513b02.7z (LZMA-compressed, recommended)
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lp1513b02.zip
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Other information:
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1.5.13beta02-README.txt
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1.5.13beta02-LICENSE.txt
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Changes since the last public release (1.5.12):
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Version 1.5.13beta01 [August 8, 2012]
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Do not compile PNG_DEPRECATED, PNG_ALLOC and PNG_PRIVATE when __GNUC__ < 3.
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Removed references to png_zalloc() and png_zfree() from the manual.
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Revised PNG_FP_EXPORT and PNG_FIXED_EXPORT macros to avoid generating
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lone semicolons (patch ported from libpng-1.6.0beta11).
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Version 1.5.13beta02 [August 9, 2012]
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Corrected handling of the image array and the row_pointers array in example.c
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When png_set_filler is used to strip a filler channel during write, the
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code prior to 1.5 would ignore the case where the output required an
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alpha channel or when the output was a palettized PNG. In libpng-1.5 the
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ignorance was lost and libpng proceeded to strip the channel resulting
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in a bad (potential memory overwrite) failure later. This reverts
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the behavior to the pre-1.5 state but issues a warning. libpng-1.6 is
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expected to issue an error on the erroneous png_set_filler call.
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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) or to glennrp at users.sourceforge.net
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Glenn R-P
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