From cdbfa0b7ebe691c2590ea5b41d5288059f2fa9b0 Mon Sep 17 00:00:00 2001
From: Vincent Penquerc'h <vincent.penquerch@collabora.co.uk>
Date: Mon, 30 Dec 2013 09:25:57 -0500
Subject: [PATCH] xenstore-watch: initialize token passed to xen

Xen will read it till the terminating NUL.

Plus return 0 on exit and define main as returning int.
---
 dispvm/xenstore-watch.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/dispvm/xenstore-watch.c b/dispvm/xenstore-watch.c
index 2e622d8b..666a31f8 100644
--- a/dispvm/xenstore-watch.c
+++ b/dispvm/xenstore-watch.c
@@ -2,12 +2,12 @@
 #include <xs.h>
 #include <stdio.h>
 #include <stdlib.h>
-main(int argc, char **argv)
+int main(int argc, char **argv)
 {
 	struct xs_handle *xs;
 	unsigned int count;
 	char **vec;
-	char dummy;
+	char dummy = 0;
 	if (argc != 2) {
 		fprintf(stderr, "usage: %s xenstore_path\n", argv[0]);
 		exit(1);
@@ -25,4 +25,5 @@ main(int argc, char **argv)
 	free(vec);
 	vec = xs_read_watch(xs, &count);
 	free(vec);
+	return 0;
 }