diff options
Diffstat (limited to 'extern/lzma/7zCrc.c')
-rw-r--r-- | extern/lzma/7zCrc.c | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/extern/lzma/7zCrc.c b/extern/lzma/7zCrc.c deleted file mode 100644 index 71962b2c28d..00000000000 --- a/extern/lzma/7zCrc.c +++ /dev/null @@ -1,35 +0,0 @@ -/* 7zCrc.c -- CRC32 calculation -2008-08-05 -Igor Pavlov -Public domain */ - -#include "7zCrc.h" - -#define kCrcPoly 0xEDB88320 -UInt32 g_CrcTable[256]; - -void MY_FAST_CALL CrcGenerateTable(void) -{ - UInt32 i; - for (i = 0; i < 256; i++) - { - UInt32 r = i; - int j; - for (j = 0; j < 8; j++) - r = (r >> 1) ^ (kCrcPoly & ~((r & 1) - 1)); - g_CrcTable[i] = r; - } -} - -UInt32 MY_FAST_CALL CrcUpdate(UInt32 v, const void *data, size_t size) -{ - const Byte *p = (const Byte *)data; - for (; size > 0 ; size--, p++) - v = CRC_UPDATE_BYTE(v, *p); - return v; -} - -UInt32 MY_FAST_CALL CrcCalc(const void *data, size_t size) -{ - return CrcUpdate(CRC_INIT_VAL, data, size) ^ 0xFFFFFFFF; -} |