diff options
Diffstat (limited to 'lib_generic/lzma/LzmaDec.c')
| -rw-r--r-- | lib_generic/lzma/LzmaDec.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/lib_generic/lzma/LzmaDec.c b/lib_generic/lzma/LzmaDec.c index 89d934ad0..acffb14aa 100644 --- a/lib_generic/lzma/LzmaDec.c +++ b/lib_generic/lzma/LzmaDec.c @@ -1,6 +1,9 @@ /* LzmaDec.c -- LZMA Decoder 2008-11-06 : Igor Pavlov : Public domain */ +#include <config.h> +#include <common.h> +#include <watchdog.h> #include "LzmaDec.h" #include <string.h> @@ -156,6 +159,8 @@ static int MY_FAST_CALL LzmaDec_DecodeReal(CLzmaDec *p, SizeT limit, const Byte UInt32 range = p->range; UInt32 code = p->code; + WATCHDOG_RESET(); + do { CLzmaProb *prob; @@ -176,6 +181,9 @@ static int MY_FAST_CALL LzmaDec_DecodeReal(CLzmaDec *p, SizeT limit, const Byte if (state < kNumLitStates) { symbol = 1; + + WATCHDOG_RESET(); + do { GET_BIT(prob + symbol, symbol) } while (symbol < 0x100); } else @@ -183,6 +191,9 @@ static int MY_FAST_CALL LzmaDec_DecodeReal(CLzmaDec *p, SizeT limit, const Byte unsigned matchByte = p->dic[(dicPos - rep0) + ((dicPos < rep0) ? dicBufSize : 0)]; unsigned offs = 0x100; symbol = 1; + + WATCHDOG_RESET(); + do { unsigned bit; @@ -316,6 +327,9 @@ static int MY_FAST_CALL LzmaDec_DecodeReal(CLzmaDec *p, SizeT limit, const Byte { UInt32 mask = 1; unsigned i = 1; + + WATCHDOG_RESET(); + do { GET_BIT2(prob + i, i, ; , distance |= mask); @@ -327,6 +341,9 @@ static int MY_FAST_CALL LzmaDec_DecodeReal(CLzmaDec *p, SizeT limit, const Byte else { numDirectBits -= kNumAlignBits; + + WATCHDOG_RESET(); + do { NORMALIZE @@ -399,12 +416,18 @@ static int MY_FAST_CALL LzmaDec_DecodeReal(CLzmaDec *p, SizeT limit, const Byte ptrdiff_t src = (ptrdiff_t)pos - (ptrdiff_t)dicPos; const Byte *lim = dest + curLen; dicPos += curLen; + + WATCHDOG_RESET(); + do *(dest) = (Byte)*(dest + src); while (++dest != lim); } else { + + WATCHDOG_RESET(); + do { dic[dicPos++] = dic[pos]; @@ -417,6 +440,9 @@ static int MY_FAST_CALL LzmaDec_DecodeReal(CLzmaDec *p, SizeT limit, const Byte } } while (dicPos < limit && buf < bufLimit); + + WATCHDOG_RESET(); + NORMALIZE; p->buf = buf; p->range = range; |