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da2a27ef
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2017-03-18T16:15:14
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Honor max_memory_to_use/JPEGMEM/-maxmemory
This re-introduces a feature of the obsolete system-specific libjpeg
memory managers-- namely the ability to limit the amount of main memory
used by the library during decompression or multi-pass compression.
This is mainly beneficial for two reasons:
- Works around a 2 GB limit in libFuzzer
- Allows security-sensitive applications to set a memory limit for the
JPEG decoder so as to work around the progressive JPEG exploit
(LJT-01-004) described here:
http://www.libjpeg-turbo.org/pmwiki/uploads/About/TwoIssueswiththeJPEGStandard.pdf
This commit also removes obsolete documentation regarding the MS-DOS
memory manager (which itself was removed long ago) and changes the
documentation of the -maxmemory switch and JPEGMEM environment variable
to reflect the fact that backing stores are never used in libjpeg-turbo.
Inspired by:
https://github.com/caolanm/libjpeg-turbo/commit/066fee2e7d6834f24838bc1896aa38ca77209e3c
Closes #143
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54e6b8e8
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2016-02-18T15:16:17
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Include some comments/doc tweaks from jpeg-9+
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a560e4b4
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2016-01-17T00:00:00
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The Independent JPEG Group's JPEG software v9b
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fc11193e
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2014-01-19T00:00:00
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The Independent JPEG Group's JPEG software v9a
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bc79e068
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1995-08-02T00:00:00
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The Independent JPEG Group's JPEG software v6
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989630f7
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2010-01-10T00:00:00
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The Independent JPEG Group's JPEG software v8
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5996a25e
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2009-06-27T00:00:00
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The Independent JPEG Group's JPEG software v7
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5ead57a3
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1998-03-27T00:00:00
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The Independent JPEG Group's JPEG software v6b
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9665f5e3
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2014-11-22T04:04:38
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Print the library version and exit whenever -version is passed to cjpeg, djpeg, or jpegtran.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1422 632fc199-4ca6-4c93-a231-07263d6284db
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251db636
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2013-01-01T10:51:16
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Further changes to the copyright/attribution notices to make it clear that our modified files are not part of the IJG's software.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@884 632fc199-4ca6-4c93-a231-07263d6284db
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760ea8df
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2012-02-07T23:25:19
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Merge documentation and wordsmithing changes from 1.2, including promotion of -arithmetic to a "switch for advanced users"
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@783 632fc199-4ca6-4c93-a231-07263d6284db
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66a69f04
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2012-01-31T10:19:29
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Incorporate a few upstream doc changes; grammar police; wordsmithing; Move -arithmetic into "switches for advanced users"; Additional documentation for IDCT scaling extensions
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@765 632fc199-4ca6-4c93-a231-07263d6284db
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ccd1bfdd
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2012-01-31T09:53:46
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Incorporate a few upstream doc changes; grammar police; wordsmithing; Move -arithmetic into "switches for advanced users"
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@764 632fc199-4ca6-4c93-a231-07263d6284db
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66f97e68
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2010-11-23T05:49:54
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Support arithmetic encoding and decoding
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@299 632fc199-4ca6-4c93-a231-07263d6284db
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39ea562c
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2010-10-12T01:55:31
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Document new v7/v8 features; .doc = .txt
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@252 632fc199-4ca6-4c93-a231-07263d6284db
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c04bd3cc
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2010-10-10T02:15:56
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Implement lossless crop feature from jpeg v7 and v8
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@243 632fc199-4ca6-4c93-a231-07263d6284db
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c8753072
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2006-05-25T05:01:55
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Migrating to new directory structure adopted from the RealVNC's source tree. More changes will follow.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1 632fc199-4ca6-4c93-a231-07263d6284db
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