diff options
Diffstat (limited to 'lib/libc/string/swab.3')
-rw-r--r-- | lib/libc/string/swab.3 | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/libc/string/swab.3 b/lib/libc/string/swab.3 index f8ef34e..0c9deea 100644 --- a/lib/libc/string/swab.3 +++ b/lib/libc/string/swab.3 @@ -28,7 +28,7 @@ .\" @(#)swab.3 8.1 (Berkeley) 6/4/93 .\" $FreeBSD$ .\" -.Dd December 10, 2004 +.Dd March 4, 2012 .Dt SWAB 3 .Os .Sh NAME @@ -54,6 +54,9 @@ swapping adjacent bytes. The argument .Fa len must be an even number. +If +.Fa len +is less than zero, nothing will be done. .Sh SEE ALSO .Xr bzero 3 , .Xr memset 3 |