diff options
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/string/swab.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/lib/libc/string/swab.c b/lib/libc/string/swab.c index 70da36f..aa6f268 100644 --- a/lib/libc/string/swab.c +++ b/lib/libc/string/swab.c @@ -43,24 +43,20 @@ __FBSDID("$FreeBSD$"); #include <string.h> void -swab(from, to, len) - const void *from; - void *to; - size_t len; +swab(const void * __restrict from, void * __restrict to, size_t len) { unsigned long temp; int n; char *fp, *tp; - n = (len >> 1) + 1; + n = len >> 1; fp = (char *)from; tp = (char *)to; #define STEP temp = *fp++,*tp++ = *fp++,*tp++ = temp /* round to multiple of 8 */ - while ((--n) & 07) + for (; n & 0x7; --n) STEP; - n >>= 3; - while (--n >= 0) { + for (n >>= 3; n > 0; --n) { STEP; STEP; STEP; STEP; STEP; STEP; STEP; STEP; } |
