diff options
| author |   millert <millert@openbsd.org> | 2000-06-01 04:02:05 +0000 |
|---|---|---|
| committer | millert <millert@openbsd.org> | 2000-06-01 04:02:05 +0000 |
| commit | 0a73c43e13c9079560d4240de1f420185695aff7 (patch) | |
| tree | 3d11273f246a9d53f2af8e31542b2561cdb36d18 /lib/libc/string | |
| parent | Prototype for ipsp_spd_lookup() (diff) | |
| download | wireguard-openbsd-0a73c43e13c9079560d4240de1f420185695aff7.tar.xz wireguard-openbsd-0a73c43e13c9079560d4240de1f420185695aff7.zip | |
State explicitly that strlc{py,at} only work on real C strings.
Clarify point about always NUL-terminating.
Diffstat (limited to 'lib/libc/string')
| -rw-r--r-- | lib/libc/string/strlcpy.3 | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/lib/libc/string/strlcpy.3 b/lib/libc/string/strlcpy.3 index 03a80e6c792..5acbcce148f 100644 --- a/lib/libc/string/strlcpy.3 +++ b/lib/libc/string/strlcpy.3 @@ -1,6 +1,6 @@ -.\" $OpenBSD: strlcpy.3,v 1.7 2000/04/21 15:24:20 aaron Exp $ +.\" $OpenBSD: strlcpy.3,v 1.8 2000/06/01 04:02:05 millert Exp $ .\" -.\" Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> +.\" Copyright (c) 1998, 2000 Todd C. Miller <Todd.Miller@courtesan.com> .\" All rights reserved. .\" .\" Redistribution and use in source and binary forms, with or without @@ -56,9 +56,28 @@ and take the full size of the buffer (not just the length) and guarantee to NUL-terminate the result (as long as .Fa size -is larger than 0). +is larger than 0 or, in the case of +.Fn strlcat , +as long as there is at least one byte free in +.Fa dst ) . Note that you should include a byte for the NUL in .Fa size . +Also note that +.Fn strlcpy +and +.Fn strlcat +only operate on true +.Dq C +strings. This means that for +.Fn strlcpy +.Fa src +must be NUL-terminated and for +.Fn strlcat +both +.Fa src +and +.Fa dst +must be NUL-terminated. .Pp The .Fn strlcpy |