getarg.c
1.6 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2010-2012, 2014-2017 Free Software Foundation, Inc.
GNU Mailutils 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 3, or (at your option)
any later version.
GNU Mailutils 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 GNU Mailutils. If not, see <http://www.gnu.org/licenses/>. */
#include "mu.h"
#include <netdb.h>
int
get_bool (const char *str, int *pb)
{
if (mu_c_strcasecmp (str, "yes") == 0
|| mu_c_strcasecmp (str, "on") == 0
|| mu_c_strcasecmp (str, "true") == 0)
*pb = 1;
else if (mu_c_strcasecmp (str, "no") == 0
|| mu_c_strcasecmp (str, "off") == 0
|| mu_c_strcasecmp (str, "false") == 0)
*pb = 0;
else
return 1;
return 0;
}
int
get_port (const char *port_str, int *pn)
{
short port_num;
long num;
char *p;
num = port_num = strtol (port_str, &p, 0);
if (*p == 0)
{
if (num != port_num)
{
mu_error ("bad port number: %s", port_str);
return 1;
}
}
else
{
struct servent *sp = getservbyname (port_str, "tcp");
if (!sp)
{
mu_error ("unknown port name");
return 1;
}
port_num = ntohs (sp->s_port);
}
*pn = port_num;
return 0;
}