2014-11-20 10:33:25 -05:00
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Libpng 1.6.15 - November 20, 2014
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2011-11-03 00:06:45 -04:00
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2012-03-29 01:07:04 -04:00
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This is a public release of libpng, intended for use in production codes.
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1998-04-21 16:03:57 -04:00
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2006-02-22 10:19:25 -05:00
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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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2014-11-20 10:33:25 -05:00
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libpng-1.6.15.tar.xz (LZMA-compressed, recommended)
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libpng-1.6.15.tar.gz
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2006-03-31 06:29:33 -05:00
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2006-02-22 10:19:25 -05:00
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Source files with CRLF line endings (for Windows), without the
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"configure" script
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2014-11-20 10:33:25 -05:00
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lpng1615.7z (LZMA-compressed, recommended)
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lpng1615.zip
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2006-02-22 10:19:25 -05:00
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Other information:
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2014-11-20 10:33:25 -05:00
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libpng-1.6.15-README.txt
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libpng-1.6.15-LICENSE.txt
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libpng-1.6.15-*.asc (armored detached GPG signatures)
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Changes since the last public release (1.6.14):
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Changed "if (!x)" to "if (x == 0)" and "if (x)" to "if (x != 0)"
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Simplified png_free_data().
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Added missing "ptr = NULL" after some instances of png_free().
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Made a one-line revision to configure.ac to support ARM on aarch64
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(bug report by Marcin Juszkiewicz, fix by John Bowler).
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Avoid out-of-bounds memory access in png_user_version_check().
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Simplified and future-proofed png_user_version_check().
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Fixed GCC unsigned int->float warnings. Various versions of GCC
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seem to generate warnings when an unsigned value is implicitly
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converted to double. This is probably a GCC bug but this change
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avoids the issue by explicitly converting to (int) where safe.
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Free all allocated memory in pngimage. The file buffer cache was left
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allocated at the end of the program, harmless but it causes memory
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leak reports from clang.
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Fixed array size calculations to avoid warnings. At various points
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in the code the number of elements in an array is calculated using
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sizeof. This generates a compile time constant of type (size_t) which
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is then typically assigned to an (unsigned int) or (int). Some versions
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of GCC on 64-bit systems warn about the apparent narrowing, even though
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the same compiler does apparently generate the correct, in-range,
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numeric constant. This adds appropriate, safe, casts to make the
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warnings go away.
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Removed #ifdef PNG_16BIT_SUPPORTED/#endif around png_product2(); it is
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needed by png_reciprocal2().
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Added #ifdef PNG_16BIT_SUPPORTED/#endif around png_log16bit() and
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png_do_swap().
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Changed all "#endif /* PNG_FEATURE_SUPPORTED */" to "#endif /* FEATURE */"
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The macros passed in the command line to Borland make were ignored if
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similarly-named macros were already defined in makefiles. This behavior
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is different from POSIX make and other make programs. Surround the
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macro definitions with ifndef guards (Cosmin).
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Added "-D_CRT_SECURE_NO_WARNINGS" to CFLAGS in scripts/makefile.vcwin32.
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Removed the obsolete $ARCH variable from scripts/makefile.darwin.
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2012-03-19 07:19:40 -04:00
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2012-03-29 01:07:04 -04:00
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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2006-08-19 14:59:24 -04:00
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(subscription required; visit
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2006-02-20 23:09:05 -05:00
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https://lists.sourceforge.net/lists/listinfo/png-mng-implement
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2012-03-29 01:07:04 -04:00
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to subscribe)
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or to glennrp at users.sourceforge.net
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1998-04-21 16:03:57 -04:00
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1998-12-29 12:47:59 -05:00
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Glenn R-P
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