diff options
Diffstat (limited to 'lib/lib.c')
| -rw-r--r-- | lib/lib.c | 7 |
1 files changed, 4 insertions, 3 deletions
@@ -721,15 +721,16 @@ void replace_tempfile(int fdin, int fdout, char **tempname) // Create a 256 entry CRC32 lookup table. -void crc_init(unsigned int *crc_table) +void crc_init(unsigned int *crc_table, int little_endian) { unsigned int i; // Init the CRC32 table (big endian) for (i=0; i<256; i++) { - unsigned int j, c = i<<24; + unsigned int j, c = little_endian ? i : i<<24; for (j=8; j; j--) - c=c&0x80000000 ? (c<<1)^0x04c11db7 : (c<<1); + if (little_endian) c = (c&1) ? (c>>1)^0xEDB88320 : c>>1; + else c=c&0x80000000 ? (c<<1)^0x04c11db7 : (c<<1); crc_table[i] = c; } } |