set-host.c
1.72 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2010, 2012 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>
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <mailutils/types.h>
#include <mailutils/errno.h>
#include <mailutils/sys/url.h>
#include <mailutils/url.h>
int
mu_url_set_host (mu_url_t url, const char *host)
{
char *copy;
if (!url)
return EINVAL;
if (host)
{
size_t len;
int flag = MU_URL_HOST;
len = strlen (host);
if (len == 0)
return EINVAL;
if (host[0] == '[' && host[len-1] == ']')
{
flag |= MU_URL_IPV6;
host++;
len -= 2;
}
copy = malloc (len + 1);
if (!copy)
return ENOMEM;
memcpy (copy, host, len);
copy[len] = 0;
url->flags |= flag;
}
else
{
url->flags &= ~(MU_URL_HOST|MU_URL_IPV6);
copy = NULL;
}
url->_get_host = NULL;
free (url->host);
url->host = copy;
mu_url_invalidate (url);
return 0;
}