From 94141b7ade24afceeb6762a3f99e09e47a6c42b6 Mon Sep 17 00:00:00 2001
From: "mmcc@openbsd.org" <mmcc@openbsd.org>
Date: Fri, 11 Dec 2015 00:20:04 +0000
Subject: upstream commit

Pass (char *)NULL rather than (char *)0 to execl and
 execlp.

ok dtucker@

Upstream-ID: 56c955106cbddba86c3dd9bbf786ac0d1b361492
---
 readpass.c          | 4 ++--
 ssh-pkcs11-client.c | 4 ++--
 sshconnect2.c       | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/readpass.c b/readpass.c
index 869d86425..05c8cac1c 100644
--- a/readpass.c
+++ b/readpass.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: readpass.c,v 1.50 2014/02/02 03:44:31 djm Exp $ */
+/* $OpenBSD: readpass.c,v 1.51 2015/12/11 00:20:04 mmcc Exp $ */
 /*
  * Copyright (c) 2001 Markus Friedl.  All rights reserved.
  *
@@ -76,7 +76,7 @@ ssh_askpass(char *askpass, const char *msg)
 		close(p[0]);
 		if (dup2(p[1], STDOUT_FILENO) < 0)
 			fatal("ssh_askpass: dup2: %s", strerror(errno));
-		execlp(askpass, askpass, msg, (char *) 0);
+		execlp(askpass, askpass, msg, (char *)NULL);
 		fatal("ssh_askpass: exec(%s): %s", askpass, strerror(errno));
 	}
 	close(p[1]);
diff --git a/ssh-pkcs11-client.c b/ssh-pkcs11-client.c
index 8c74864aa..fac0167e6 100644
--- a/ssh-pkcs11-client.c
+++ b/ssh-pkcs11-client.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-pkcs11-client.c,v 1.5 2014/06/24 01:13:21 djm Exp $ */
+/* $OpenBSD: ssh-pkcs11-client.c,v 1.6 2015/12/11 00:20:04 mmcc Exp $ */
 /*
  * Copyright (c) 2010 Markus Friedl.  All rights reserved.
  *
@@ -173,7 +173,7 @@ pkcs11_start_helper(void)
 		close(pair[0]);
 		close(pair[1]);
 		execlp(_PATH_SSH_PKCS11_HELPER, _PATH_SSH_PKCS11_HELPER,
-		    (char *) 0);
+		    (char *)NULL);
 		fprintf(stderr, "exec: %s: %s\n", _PATH_SSH_PKCS11_HELPER,
 		    strerror(errno));
 		_exit(1);
diff --git a/sshconnect2.c b/sshconnect2.c
index 3c5afe507..98b67e73e 100644
--- a/sshconnect2.c
+++ b/sshconnect2.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sshconnect2.c,v 1.232 2015/12/10 17:08:40 mmcc Exp $ */
+/* $OpenBSD: sshconnect2.c,v 1.233 2015/12/11 00:20:04 mmcc Exp $ */
 /*
  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
  * Copyright (c) 2008 Damien Miller.  All rights reserved.
@@ -1622,7 +1622,7 @@ ssh_keysign(struct sshkey *key, u_char **sigp, size_t *lenp,
 		closefrom(sock + 1);
 		debug3("%s: [child] pid=%ld, exec %s",
 		    __func__, (long)getpid(), _PATH_SSH_KEY_SIGN);
-		execl(_PATH_SSH_KEY_SIGN, _PATH_SSH_KEY_SIGN, (char *) 0);
+		execl(_PATH_SSH_KEY_SIGN, _PATH_SSH_KEY_SIGN, (char *)NULL);
 		fatal("%s: exec(%s): %s", __func__, _PATH_SSH_KEY_SIGN,
 		    strerror(errno));
 	}
-- 
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