Author: philip
Date: Wed Jul 10 22:36:14 2019
New Revision: 349896
URL: https://svnweb.freebsd.org/changeset/base/349896

Log:
  telnet: fix minor style violation
  
  While here also fix a very unlikely NULL pointer dereference.
  
  Submitted by: Shawn Webb <[email protected]>

Modified:
  head/contrib/telnet/telnet/commands.c

Modified: head/contrib/telnet/telnet/commands.c
==============================================================================
--- head/contrib/telnet/telnet/commands.c       Wed Jul 10 22:23:59 2019        
(r349895)
+++ head/contrib/telnet/telnet/commands.c       Wed Jul 10 22:36:14 2019        
(r349896)
@@ -45,6 +45,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/socket.h>
 #include <netinet/in.h>
 
+#include <assert.h>
 #include <ctype.h>
 #include <err.h>
 #include <errno.h>
@@ -1654,11 +1655,13 @@ 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';
-                unsigned int buflen = strlen(hbuf) + strlen(cp2) + 1;
+               buflen = strlen(hbuf) + strlen(cp2) + 1;
                cp = (char *)malloc(sizeof(char)*buflen);
+               assert(cp != NULL);
                snprintf((char *)cp, buflen, "%s%s", hbuf, cp2);
                free(ep->value);
                ep->value = (unsigned char *)cp;
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