diff options
| -rw-r--r-- | xdiff/xutils.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/xdiff/xutils.c b/xdiff/xutils.c index 1b3b471..277ccdf 100644 --- a/xdiff/xutils.c +++ b/xdiff/xutils.c @@ -280,9 +280,11 @@ static unsigned long xdl_hash_record_with_whitespace(char const **data, #ifdef XDL_FAST_HASH -#define ONEBYTES 0x0101010101010101ul -#define NEWLINEBYTES 0x0a0a0a0a0a0a0a0aul -#define HIGHBITS 0x8080808080808080ul +#define REPEAT_BYTE(x) ((~0ul / 0xff) * (x)) + +#define ONEBYTES REPEAT_BYTE(0x01) +#define NEWLINEBYTES REPEAT_BYTE(0x0a) +#define HIGHBITS REPEAT_BYTE(0x80) /* Return the high bit set in the first byte that is a zero */ static inline unsigned long has_zero(unsigned long a) |