From: Pierre-Marc Fournier <pierre-marc.fournier@polymtl.ca>
Date: Mon, 23 Feb 2009 20:14:06 +0000 (-0500)
Subject: libtracectl: add \0 at end of received msg
X-Git-Tag: v1.9.1~1051
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=681a8a78b217685f20a386f77f5d0c76c6701b10;p=lttng-ust.git

libtracectl: add \0 at end of received msg
---

diff --git a/libtracectl/tracectl.c b/libtracectl/tracectl.c
index a2521585..a25bd3b2 100644
--- a/libtracectl/tracectl.c
+++ b/libtracectl/tracectl.c
@@ -228,7 +228,7 @@ int listener_main(void *p)
 			struct trctl_msg msg;
 			int len;
 
-			result = len = recvfrom(pfd, recvbuf, sizeof(recvbuf), 0, &addr, &addrlen);
+			result = len = recvfrom(pfd, recvbuf, sizeof(recvbuf-1), 0, &addr, &addrlen);
 			if(result == -1) {
 				PERROR("recvfrom");
 				continue;
@@ -236,6 +236,8 @@ int listener_main(void *p)
 
 			if(recvbuf[len-1] == '\n')
 				recvbuf[len-1] = '\0';
+			else
+				recvbuf[len] = 0;
 
 			fprintf(stderr, "received a message! it's: %s\n", recvbuf);