Sync with OpenBSD:

 - avoid coredump when there's only one token on a line;
 - Use calloc();
 - Remove a line inherited from example mdoc.

Obtained from:	OpenBSD
MFC after:	1 month

2 files changed, 5 insertions, 6 deletions

diff --git a/usr.sbin/mailwrapper/mailwrapper.8 b/usr.sbin/mailwrapper/mailwrapper.8
index 587826b..6e498f6 100644
--- a/usr.sbin/mailwrapper/mailwrapper.8
+++ b/usr.sbin/mailwrapper/mailwrapper.8
@@ -1,5 +1,5 @@
+.\"	$OpenBSD: mailwrapper.8,v 1.10 2009/02/07 16:58:23 martynas Exp $
 .\"	$NetBSD: mailwrapper.8,v 1.11 2002/02/08 01:38:50 ross Exp $
-.\"	$OpenBSD: mailwrapper.8,v 1.8 2003/06/12 12:59:51 jmc Exp $
 .\" $FreeBSD$
 .\"
 .\" Copyright (c) 1998
@@ -31,7 +31,6 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.\" The following requests are required for all man pages.
 .Dd August 7, 2006
 .Dt MAILWRAPPER 8
 .Os
diff --git a/usr.sbin/mailwrapper/mailwrapper.c b/usr.sbin/mailwrapper/mailwrapper.c
index d696d25..1b52a64 100644
--- a/usr.sbin/mailwrapper/mailwrapper.c
+++ b/usr.sbin/mailwrapper/mailwrapper.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: mailwrapper.c,v 1.16 2004/07/06 03:38:14 millert Exp $	*/
+/*	$OpenBSD: mailwrapper.c,v 1.18 2007/11/06 14:39:19 otto Exp $	*/
 /*	$NetBSD: mailwrapper.c,v 1.9 2003/03/09 08:10:43 mjl Exp $	*/
 
 /*
@@ -61,8 +61,8 @@ initarg(struct arglist *al)
 {
 	al->argc = 0;
 	al->maxc = 10;
-	if ((al->argv = malloc(al->maxc * sizeof(char *))) == NULL)
-		err(EX_TEMPFAIL, "malloc");
+	if ((al->argv = calloc(al->maxc, sizeof(char *))) == NULL)
+		err(EX_TEMPFAIL, "calloc");
 }
 
 static void
@@ -126,7 +126,7 @@ main(int argc, char *argv[], char *envp[])
 			continue;
 		}
 
-		if ((from = strsep(&cp, WS)) == NULL)
+		if ((from = strsep(&cp, WS)) == NULL || cp == NULL)
 			goto parse_error;
 
 		cp += strspn(cp, WS);