Author: emaste
Date: Thu Aug  1 13:46:04 2019
New Revision: 350498
URL: https://svnweb.freebsd.org/changeset/base/350498

Log:
  telnet: use asprintf for r349890 change
  
  Suggested by: imp
  MFC after:    3 weeks
  Sponsored by: The FreeBSD Foundation

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

Modified: head/contrib/telnet/telnet/commands.c
==============================================================================
--- head/contrib/telnet/telnet/commands.c       Thu Aug  1 13:42:58 2019        
(r350497)
+++ head/contrib/telnet/telnet/commands.c       Thu Aug  1 13:46:04 2019        
(r350498)
@@ -1655,14 +1655,11 @@ 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);
+               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;
        }
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