From 5f76e4c1ede157ca5a51c2189984e8ee57778d86 Mon Sep 17 00:00:00 2001
From: Francois Perrad <francois.perrad@gadz.org>
Date: Fri, 2 Jun 2017 18:14:31 +0200
Subject: [PATCH] when pointer, use NULL instead of 0

---
 cli-runopts.c | 2 +-
 cli-session.c | 2 +-
 dropbearkey.c | 2 +-
 svr-runopts.c | 4 ++--
 svr-session.c | 2 +-
 5 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/cli-runopts.c b/cli-runopts.c
index 4a89ba3..ca50709 100644
--- a/cli-runopts.c
+++ b/cli-runopts.c
@@ -106,7 +106,7 @@ static void printhelp() {
 
 void cli_getopts(int argc, char ** argv) {
 	unsigned int i, j;
-	char ** next = 0;
+	char ** next = NULL;
 	enum {
 		OPT_EXTENDED_OPTIONS,
 #if DROPBEAR_CLI_PUBKEY_AUTH
diff --git a/cli-session.c b/cli-session.c
index d8525ae..f1115d6 100644
--- a/cli-session.c
+++ b/cli-session.c
@@ -81,7 +81,7 @@ static const packettype cli_packettypes[] = {
 	{SSH_MSG_REQUEST_SUCCESS, ignore_recv_response},
 	{SSH_MSG_REQUEST_FAILURE, ignore_recv_response},
 #endif
-	{0, 0} /* End */
+	{0, NULL} /* End */
 };
 
 static const struct ChanType *cli_chantypes[] = {
diff --git a/dropbearkey.c b/dropbearkey.c
index a0d315b..5cb12ef 100644
--- a/dropbearkey.c
+++ b/dropbearkey.c
@@ -134,7 +134,7 @@ int main(int argc, char ** argv) {
 #endif
 
 	int i;
-	char ** next = 0;
+	char ** next = NULL;
 	char * filename = NULL;
 	enum signkey_type keytype = DROPBEAR_SIGNKEY_NONE;
 	char * typetext = NULL;
diff --git a/svr-runopts.c b/svr-runopts.c
index e6dc8a8..dea4a55 100644
--- a/svr-runopts.c
+++ b/svr-runopts.c
@@ -114,7 +114,7 @@ static void printhelp(const char * progname) {
 void svr_getopts(int argc, char ** argv) {
 
 	unsigned int i, j;
-	char ** next = 0;
+	char ** next = NULL;
 	int nextisport = 0;
 	char* recv_window_arg = NULL;
 	char* keepalive_arg = NULL;
@@ -289,7 +289,7 @@ void svr_getopts(int argc, char ** argv) {
 			if (*next == NULL) {
 				dropbear_exit("Invalid null argument");
 			}
-			next = 0x00;
+			next = NULL;
 
 			if (keyfile) {
 				addhostkey(keyfile);
diff --git a/svr-session.c b/svr-session.c
index febe79a..297d07f 100644
--- a/svr-session.c
+++ b/svr-session.c
@@ -66,7 +66,7 @@ static const packettype svr_packettypes[] = {
 	{SSH_MSG_CHANNEL_OPEN_CONFIRMATION, recv_msg_channel_open_confirmation},
 	{SSH_MSG_CHANNEL_OPEN_FAILURE, recv_msg_channel_open_failure},
 #endif
-	{0, 0} /* End */
+	{0, NULL} /* End */
 };
 
 static const struct ChanType *svr_chantypes[] = {