1 /* cvm/client_domain.c - Determine domain from environment
2  * Copyright (C) 2010  Bruce Guenter <bruce@untroubled.org>
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 2 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
17  */
18 #include <stdlib.h>
19 #include <string.h>
20 #include "v1client.h"
21 
22 static long len = 0;
23 static char* var = 0;
24 
cvm_client_ucspi_domain(void)25 const char* cvm_client_ucspi_domain(void)
26 {
27   const char* proto;
28   long newlen;
29   if ((proto = getenv("PROTO")) == 0) proto = "TCP";
30   newlen = strlen(proto) + 9;
31   if (newlen > len) {
32     free(var);
33     var = malloc(newlen+1);
34     len = newlen;
35   }
36   strcpy(var, proto);
37   strcat(var, "LOCALHOST");
38   return getenv(var);
39 }
40