set.c
1.91 KB
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/* GNU mailutils - a suite of utilities for electronic mail
Copyright (C) 1999, 2001 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "mail.h"
/*
* se[t] [name[=[string]] ...] [name=number ...] [noname ...]
*/
/*
* NOTE: ask is a synonym for asksub
*/
int
mail_set (int argc, char **argv)
{
if (argc < 2)
{
return util_printenv (1);
}
else
{
int i = 0;
char *value = NULL;
struct mail_env_entry *entry = NULL;
for (i = 1; i < argc; i++)
{
if (!strncmp ("no", argv[i], 2))
{
entry = util_find_env (&argv[i][2]);
if (entry == NULL)
return 1;
entry->set = 0;
if (entry->value)
free (entry->value);
entry->value = NULL;
}
else if (i+1 < argc && argv[i+1][0] == '=')
{
entry = util_find_env (argv[i]);
if (entry == NULL)
return 1;
i += 2;
if (i >= argc)
break;
value = strdup (argv[i]);
entry->set = 1;
if (entry->value)
free (entry->value);
entry->value = value;
}
else
{
entry = util_find_env(argv[i]);
if (entry == NULL)
return 1;
entry->set = 1;
if (entry->value)
free (entry->value);
entry->value = NULL;
}
}
return 0;
}
return 1;
}