diff options
| author | Todd C. Miller <millert@cvs.openbsd.org> | 2013-09-25 21:49:32 +0000 |
|---|---|---|
| committer | Todd C. Miller <millert@cvs.openbsd.org> | 2013-09-25 21:49:32 +0000 |
| commit | 6ba1facf997aa1bcbf74124c61290ab3be7e0927 (patch) | |
| tree | 6e6a858dcf88250033a09c8f4a786ad1848bbd2b /lib/libc/string/stpcpy.3 | |
| parent | d133037a4116d11b85ea4f43bbc13ab270e86fe0 (diff) | |
According to POSIX, if the src and dst strings overlap, the behavior
is undefined. Add a warning to that effect. OK deraadt@ jmc@
Diffstat (limited to 'lib/libc/string/stpcpy.3')
| -rw-r--r-- | lib/libc/string/stpcpy.3 | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/libc/string/stpcpy.3 b/lib/libc/string/stpcpy.3 index ed1b830b56e..ea25610717d 100644 --- a/lib/libc/string/stpcpy.3 +++ b/lib/libc/string/stpcpy.3 @@ -1,4 +1,4 @@ -.\" $OpenBSD: stpcpy.3,v 1.3 2013/06/05 03:39:23 tedu Exp $ +.\" $OpenBSD: stpcpy.3,v 1.4 2013/09/25 21:49:31 millert Exp $ .\" .\" Copyright (c) 1990, 1991 The Regents of the University of California. .\" All rights reserved. @@ -31,7 +31,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd $Mdocdate: June 5 2013 $ +.Dd $Mdocdate: September 25 2013 $ .Dt STPCPY 3 .Os .Sh NAME @@ -77,6 +77,12 @@ if the length of .Fa src is greater than or equal to .Fa len . +.Pp +If the +.Fa src +and +.Fa dst +strings overlap, the behavior is undefined. .Sh RETURN VALUES The .Fn stpcpy |