zero sigaction before use

4 files changed, 16 insertions, 6 deletions

diff --git a/lib/libcurses/lib_tstp.c b/lib/libcurses/lib_tstp.c
index 651cb408c45..d53319ec72a 100644
--- a/lib/libcurses/lib_tstp.c
+++ b/lib/libcurses/lib_tstp.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: lib_tstp.c,v 1.6 1998/01/17 16:27:37 millert Exp $	*/
+/*	$OpenBSD: lib_tstp.c,v 1.7 1998/06/03 17:00:07 deraadt Exp $	*/
 
 
 /***************************************************************************
@@ -125,6 +125,7 @@ static void tstp(int dummy GCC_UNUSED)
 	(void)sigprocmask(SIG_UNBLOCK, &mask, NULL);
 
 	/* Now we want to resend SIGSTP to this process and suspend it */
+	memset(&act, 0, sizeof act);
 	act.sa_handler = SIG_DFL;
 	sigemptyset(&act.sa_mask);
 	act.sa_flags = 0;
@@ -168,6 +169,8 @@ static void cleanup(int sig)
 	 || sig == SIGQUIT) {
 #if HAVE_SIGACTION || HAVE_SIGVEC
 		sigaction_t act;
+
+		memset(&act, 0, sizeof act);
 		sigemptyset(&act.sa_mask);
 		act.sa_flags = 0;
 		act.sa_handler = SIG_IGN;
@@ -258,6 +261,8 @@ void _nc_signal_handler(bool enable)
 static sigaction_t act, oact;
 static int ignore;
 
+	memset(&act, 0, sizeof act);
+
 	if (!ignore)
 	{
 		if (!enable)
@@ -295,6 +300,8 @@ static int ignore;
 	{
 #if HAVE_SIGACTION || HAVE_SIGVEC
 		static sigaction_t act;
+
+		memset(&act, 0, sizeof act);
 		sigemptyset(&act.sa_mask);
 #if USE_SIGWINCH
 		act.sa_handler = sigwinch;
diff --git a/usr.bin/make/job.c b/usr.bin/make/job.c
index 3b250fdce4c..ecc0d3a53ef 100644
--- a/usr.bin/make/job.c
+++ b/usr.bin/make/job.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: job.c,v 1.9 1998/03/15 22:19:24 flipk Exp $	*/
+/*	$OpenBSD: job.c,v 1.10 1998/06/03 17:00:05 deraadt Exp $	*/
 /*	$NetBSD: job.c,v 1.16 1996/11/06 17:59:08 christos Exp $	*/
 
 /*
@@ -43,7 +43,7 @@
 #if 0
 static char sccsid[] = "@(#)job.c	8.2 (Berkeley) 3/19/94";
 #else
-static char rcsid[] = "$OpenBSD: job.c,v 1.9 1998/03/15 22:19:24 flipk Exp $";
+static char rcsid[] = "$OpenBSD: job.c,v 1.10 1998/06/03 17:00:05 deraadt Exp $";
 #endif
 #endif /* not lint */
 
@@ -412,6 +412,7 @@ JobPassSig(signo)
     sigemptyset(&nmask);
     sigaddset(&nmask, signo);
     sigprocmask(SIG_SETMASK, &nmask, &omask);
+    memset(&act, 0, sizeof act);
     act.sa_handler = SIG_DFL;
     sigemptyset(&act.sa_mask);
     act.sa_flags = 0;
diff --git a/usr.bin/make/util.c b/usr.bin/make/util.c
index 1d2c58fba97..4dd028b428c 100644
--- a/usr.bin/make/util.c
+++ b/usr.bin/make/util.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: util.c,v 1.7 1997/07/25 21:05:36 mickey Exp $	*/
+/*	$OpenBSD: util.c,v 1.8 1998/06/03 17:00:04 deraadt Exp $	*/
 /*	$NetBSD: util.c,v 1.10 1996/12/31 17:56:04 christos Exp $	*/
 
 /*
@@ -6,7 +6,7 @@
  */
 
 #ifndef lint
-static char rcsid[] = "$OpenBSD: util.c,v 1.7 1997/07/25 21:05:36 mickey Exp $";
+static char rcsid[] = "$OpenBSD: util.c,v 1.8 1998/06/03 17:00:04 deraadt Exp $";
 #endif
 
 #include <stdio.h>
@@ -341,6 +341,7 @@ signal(s, a)) ()
 {
     struct sigaction sa, osa;
 
+    memset(&sa, 0, sizeof sa);
     sa.sa_handler = a;
     sigemptyset(&sa.sa_mask);
     sa.sa_flags = SA_RESTART;
diff --git a/usr.sbin/screenblank/screenblank.c b/usr.sbin/screenblank/screenblank.c
index b9f9cc91c9e..fdf633ce8bc 100644
--- a/usr.sbin/screenblank/screenblank.c
+++ b/usr.sbin/screenblank/screenblank.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: screenblank.c,v 1.4 1998/06/03 08:04:01 deraadt Exp $	*/
+/*	$OpenBSD: screenblank.c,v 1.5 1998/06/03 17:00:09 deraadt Exp $	*/
 /*	$NetBSD: screenblank.c,v 1.2 1996/02/28 01:18:34 thorpej Exp $	*/
 
 /*-
@@ -158,6 +158,7 @@ main(argc, argv)
 	 * Make sure the framebuffer gets turned back on when we're
 	 * killed.
 	 */
+	memset(&sa, 0, sizeof sa);
 	sa.sa_handler = sighandler;
 	sigemptyset(&sa.sa_mask);
 	sa.sa_flags = SA_NOCLDSTOP;