diff options
Diffstat (limited to 'lib/libc/string/swab.c')
| -rw-r--r-- | lib/libc/string/swab.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/libc/string/swab.c b/lib/libc/string/swab.c index 1db7d1f..ec6cbf0 100644 --- a/lib/libc/string/swab.c +++ b/lib/libc/string/swab.c @@ -45,6 +45,8 @@ swab(const void * __restrict from, void * __restrict to, ssize_t len) int n; char *fp, *tp; + if (len <= 0) + return; n = len >> 1; fp = (char *)from; tp = (char *)to; |
