gistfile1.txt

diff --git a/contrib/telnet/telnet/commands.c b/contrib/telnet/telnet/commands.c
index c6dc4ca064b7..01a21302cc32 100644
--- a/contrib/telnet/telnet/commands.c
+++ b/contrib/telnet/telnet/commands.c
@@ -1655,14 +1655,12 @@ env_init(void)
 		|| (strncmp((char *)ep->value, "unix:", 5) == 0))) {
 		char hbuf[256+1];
 		char *cp2 = strchr((char *)ep->value, ':');
-                size_t buflen;
 
 		gethostname(hbuf, sizeof(hbuf));
 		hbuf[sizeof(hbuf)-1] = '\0';
- 		buflen = strlen(hbuf) + strlen(cp2) + 1;
-		cp = (char *)malloc(sizeof(char)*buflen);
+		cp = NULL;
+		asprintf(&cp, "%s%s", hbuf, cp2);
 		assert(cp != NULL);
-		snprintf((char *)cp, buflen, "%s%s", hbuf, cp2);
 		free(ep->value);
 		ep->value = (unsigned char *)cp;
 	}