1 /* GNU Mailutils -- a suite of utilities for electronic mail
2    Copyright (C) 1999-2021 Free Software Foundation, Inc.
3 
4    GNU Mailutils 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 3, or (at your option)
7    any later version.
8 
9    GNU Mailutils 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 GNU Mailutils.  If not, see <http://www.gnu.org/licenses/>. */
16 
17 #include "mail.h"
18 
19 /*
20  * uns[et] [name...] -- GNU extension
21  */
22 
23 int
mail_unset(int argc,char ** argv)24 mail_unset (int argc, char **argv)
25 {
26   if (argc < 2)
27     {
28       mailvar_print (1);
29       return 0;
30     }
31   else
32     {
33       int status = 0, i = 1;
34       for (i = 1; i < argc; i++)
35 	{
36 	  char *buf = mu_alloc ((7+strlen (argv[i])) * sizeof (char));
37 	  strcpy (buf, "set no");
38 	  strcat (buf, argv[i]);
39 	  if (!util_do_command ("%s", buf))
40 	    status = 1;
41 	  free (buf);
42 	}
43       return status;
44     }
45   return 1;
46 }
47