is a command-line file archiver with a high compression ratio (a port of the Windows program 7za.exe).
| LzmaDec.c (p7zip_15.14.1_src_all) | : | LzmaDec.c (p7zip_16.02_src_all) |
|---|
| /* LzmaDec.c -- LZMA Decoder | | /* LzmaDec.c -- LZMA Decoder |
|
| 2015-06-23 : Igor Pavlov : Public domain */ | | 2016-05-16 : Igor Pavlov : Public domain */ |
| | |
| #include "Precomp.h" | | #include "Precomp.h" |
| | |
| #include "LzmaDec.h" | | #include "LzmaDec.h" |
| | |
| #include <string.h> | | #include <string.h> |
| | |
| #define kNumTopBits 24 | | #define kNumTopBits 24 |
| #define kTopValue ((UInt32)1 << kNumTopBits) | | #define kTopValue ((UInt32)1 << kNumTopBits) |
| | |
| | |
| skipping to change at line 295 | | skipping to change at line 295 |
|---|
| } | | } |
| rep1 = rep0; | | rep1 = rep0; |
| rep0 = distance; | | rep0 = distance; |
| } | | } |
| state = state < kNumLitStates ? 8 : 11; | | state = state < kNumLitStates ? 8 : 11; |
| prob = probs + RepLenCoder; | | prob = probs + RepLenCoder; |
| } | | } |
| | |
| #ifdef _LZMA_SIZE_OPT | | #ifdef _LZMA_SIZE_OPT |
| { | | { |
|
| unsigned limit, offset; | | unsigned lim, offset; |
| CLzmaProb *probLen = prob + LenChoice; | | CLzmaProb *probLen = prob + LenChoice; |
| IF_BIT_0(probLen) | | IF_BIT_0(probLen) |
| { | | { |
| UPDATE_0(probLen); | | UPDATE_0(probLen); |
| probLen = prob + LenLow + (posState << kLenNumLowBits); | | probLen = prob + LenLow + (posState << kLenNumLowBits); |
| offset = 0; | | offset = 0; |
|
| limit = (1 << kLenNumLowBits); | | lim = (1 << kLenNumLowBits); |
| } | | } |
| else | | else |
| { | | { |
| UPDATE_1(probLen); | | UPDATE_1(probLen); |
| probLen = prob + LenChoice2; | | probLen = prob + LenChoice2; |
| IF_BIT_0(probLen) | | IF_BIT_0(probLen) |
| { | | { |
| UPDATE_0(probLen); | | UPDATE_0(probLen); |
| probLen = prob + LenMid + (posState << kLenNumMidBits); | | probLen = prob + LenMid + (posState << kLenNumMidBits); |
| offset = kLenNumLowSymbols; | | offset = kLenNumLowSymbols; |
|
| limit = (1 << kLenNumMidBits); | | lim = (1 << kLenNumMidBits); |
| } | | } |
| else | | else |
| { | | { |
| UPDATE_1(probLen); | | UPDATE_1(probLen); |
| probLen = prob + LenHigh; | | probLen = prob + LenHigh; |
| offset = kLenNumLowSymbols + kLenNumMidSymbols; | | offset = kLenNumLowSymbols + kLenNumMidSymbols; |
|
| limit = (1 << kLenNumHighBits); | | lim = (1 << kLenNumHighBits); |
| } | | } |
| } | | } |
|
| TREE_DECODE(probLen, limit, len); | | TREE_DECODE(probLen, lim, len); |
| len += offset; | | len += offset; |
| } | | } |
| #else | | #else |
| { | | { |
| CLzmaProb *probLen = prob + LenChoice; | | CLzmaProb *probLen = prob + LenChoice; |
| IF_BIT_0(probLen) | | IF_BIT_0(probLen) |
| { | | { |
| UPDATE_0(probLen); | | UPDATE_0(probLen); |
| probLen = prob + LenLow + (posState << kLenNumLowBits); | | probLen = prob + LenLow + (posState << kLenNumLowBits); |
| len = 1; | | len = 1; |
| | | |
| End of changes. 6 change blocks. |
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| 6 lines changed or deleted | | 6 lines changed or added |
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