set-service.c
1.94 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2010-2012, 2014-2015 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library. If not, see
<http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <netdb.h>
#include <arpa/inet.h>
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <limits.h>
#include <mailutils/types.h>
#include <mailutils/errno.h>
#include <mailutils/sys/url.h>
#include <mailutils/url.h>
int
mu_url_set_service (mu_url_t url, const char *str)
{
unsigned port;
char *copy;
if (!url)
return EINVAL;
if (str)
{
unsigned long n;
char *p;
n = strtoul (str, &p, 10);
if (*p)
{
/* FIXME: 1. This assumes MU_URL_PARSE_PORTSRV. */
/* FIXME: 2. Another proto? */
struct servent *sp = getservbyname (str, "tcp");
if (!sp)
return MU_ERR_TCP_NO_PORT;
port = ntohs (sp->s_port);
}
else if (n > USHRT_MAX)
return ERANGE;
copy = strdup (str);
if (!copy)
return ENOMEM;
url->flags |= MU_URL_PORT;
}
else
{
copy = NULL;
port = 0;
url->flags &= ~MU_URL_PORT;
}
url->_get_port = NULL;
url->_get_portstr = NULL;
free (url->portstr);
url->port = port;
url->portstr = copy;
mu_url_invalidate (url);
return 0;
}