xref: /netbsd-src/external/bsd/ipf/dist/lib/assigndefined.c (revision 13885a665959c62f13a82b3caedf986eaa17aa31)
1*13885a66Sdarrenr /*	$NetBSD: assigndefined.c,v 1.2 2012/07/22 14:27:36 darrenr Exp $	*/
2bc4097aaSchristos 
3bc4097aaSchristos /*
4c9d5dc6cSdarrenr  * Copyright (C) 2012 by Darren Reed.
5bc4097aaSchristos  *
6bc4097aaSchristos  * See the IPFILTER.LICENCE file for details on licencing.
7bc4097aaSchristos  *
8*13885a66Sdarrenr  * Id: assigndefined.c,v 1.1.1.2 2012/07/22 13:44:38 darrenr Exp $
9bc4097aaSchristos  */
10bc4097aaSchristos 
11bc4097aaSchristos #include "ipf.h"
12bc4097aaSchristos 
assigndefined(env)13bc4097aaSchristos void assigndefined(env)
14bc4097aaSchristos 	char *env;
15bc4097aaSchristos {
16bc4097aaSchristos 	char *s, *t;
17bc4097aaSchristos 
18bc4097aaSchristos 	if (env == NULL)
19bc4097aaSchristos 		return;
20bc4097aaSchristos 
21bc4097aaSchristos 	for (s = strtok(env, ";"); s != NULL; s = strtok(NULL, ";")) {
22bc4097aaSchristos 		t = strchr(s, '=');
23bc4097aaSchristos 		if (t == NULL)
24bc4097aaSchristos 			continue;
25bc4097aaSchristos 		*t++ = '\0';
26bc4097aaSchristos 		set_variable(s, t);
27bc4097aaSchristos 		*--t = '=';
28bc4097aaSchristos 	}
29bc4097aaSchristos }
30