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authorLasse Collin <lasse.collin@tukaani.org>2013-03-23 22:25:15 +0200
committerLasse Collin <lasse.collin@tukaani.org>2013-03-23 22:25:15 +0200
commit5ea900cb5ad862bca81316729f92357c1fc040ce (patch)
tree967dba90fcd111d2e9041bae897a57f16237a089 /src/liblzma/common/alone_decoder.h
parentliblzma: Use lzma_block_buffer_bound64() in threaded encoder. (diff)
downloadxz-5ea900cb5ad862bca81316729f92357c1fc040ce.tar.xz
liblzma: Be less picky in lzma_alone_decoder().
To avoid false positives when detecting .lzma files, rare values in dictionary size and uncompressed size fields were rejected. They will still be rejected if .lzma files are decoded with lzma_auto_decoder(), but when using lzma_alone_decoder() directly, such files will now be accepted. Hopefully this is an OK compromise. This doesn't affect xz because xz still has its own file format detection code. This does affect lzmadec though. So after this commit lzmadec will accept files that xz or xz-emulating-lzma doesn't. NOTE: lzma_alone_decoder() still won't decode all .lzma files because liblzma's LZMA decoder doesn't support lc + lp > 4. Reported here: http://sourceforge.net/projects/lzmautils/forums/forum/708858/topic/7068827
Diffstat (limited to 'src/liblzma/common/alone_decoder.h')
-rw-r--r--src/liblzma/common/alone_decoder.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/liblzma/common/alone_decoder.h b/src/liblzma/common/alone_decoder.h
index d819b3fb..dfa031aa 100644
--- a/src/liblzma/common/alone_decoder.h
+++ b/src/liblzma/common/alone_decoder.h
@@ -16,7 +16,8 @@
#include "common.h"
-extern lzma_ret lzma_alone_decoder_init(lzma_next_coder *next,
- const lzma_allocator *allocator, uint64_t memlimit);
+extern lzma_ret lzma_alone_decoder_init(
+ lzma_next_coder *next, const lzma_allocator *allocator,
+ uint64_t memlimit, bool picky);
#endif