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60 Commits

Author SHA1 Message Date
Lasse Collin 6c5306e312 Fix wrong return type (uint32_t -> bool). 2008-04-24 18:39:57 +03:00
Lasse Collin 712cfe3ebf Fix data corruption in LZ encoder with LZMA_SYNC_FLUSH. 2008-04-24 18:38:00 +03:00
Lasse Collin f310c50286 Initialize the last byte of the dictionary to zero so that 
lz_get_byte(lz, 0) returns zero. This was broken by
1a3b218598.
 2008-03-11 15:17:16 +02:00
Lasse Collin 596fa1fac7 Always initialize lz->temp_size in lz_decoder.c. temp_size did 
get initialized as a side-effect after allocating a new decoder,
but not when the decoder was reused.
 2008-03-10 13:44:29 +02:00
Lasse Collin 1a3b218598 Don't memzero() the history buffer when initializing LZ 
decoder. There's no danger of information leak here, so
it isn't required. Doing memzero() takes a lot of time
with large dictionaries, which could make it easier to
construct DoS attack to consume too much CPU time.
 2008-02-02 14:51:06 +02:00
Lasse Collin ab5feaf1fc Fix LZMA_SYNC_FLUSH handling in LZ and LZMA encoders. 
That code is now almost completely in LZ coder, where
it can be shared with other LZ77-based algorithms in
future.
 2008-01-18 20:02:52 +02:00
Lasse Collin e22b37968d Major changes to LZ encoder, LZMA encoder, and range encoder. 
These changes implement support for LZMA_SYNC_FLUSH in LZMA
encoder, and move the temporary buffer needed by range encoder
from lzma_range_encoder structure to lzma_lz_encoder.
 2008-01-14 13:39:54 +02:00
Lasse Collin 9547e734a0 Don't use coder->lz.stream_end_was_reached in assertions 
in match_c.h.
 2008-01-14 12:09:52 +02:00
Lasse Collin f73c2ab607 Eliminate lzma_lz_encoder.must_move_pos. It's needed 
only in one place which isn't performance criticial.
 2008-01-10 17:13:42 +02:00
Lasse Collin 5d018dc035 Imported to git. 2007-12-09 00:42:33 +02:00