url_mh.c
2.19 KB
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/* GNU mailutils - a suite of utilities for electronic mail
Copyright (C) 1999, 2000 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Library 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 Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <url0.h>
#include <registrar.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
static void url_mh_destroy (url_t *purl);
static int url_mh_init (url_t *purl, const char *name);
struct url_registrar _url_mh_registrar =
{
"mh:",
url_mh_init, url_mh_destroy
};
static void
url_mh_destroy (url_t *purl)
{
if (purl && *purl)
{
url_t url = *purl;
free (url->scheme);
free (url->path);
free (url);
*purl = NULL;
}
}
/*
MH URL
mh:
*/
static int
url_mh_init (url_t *purl, const char *name)
{
url_t url;
struct url_registrar *ureg = &_url_mh_registrar;
size_t len, scheme_len = strlen (ureg->scheme);
/* reject the obvious */
if (name == NULL || strncmp (ureg->scheme, name, scheme_len) != 0
|| (len = strlen (name)) < (scheme_len + 1) /* (scheme)+1(path)*/)
return EINVAL;
/* do I need to decode url encoding '% hex hex' ? */
url = calloc(1, sizeof (*url));
if (url == NULL)
return ENOMEM;
/* TYPE */
url->_init = ureg->_init;
url->_destroy = ureg->_destroy;
/* SCHEME */
url->scheme = strdup (ureg->scheme);
if (url->scheme == NULL)
{
ureg->_destroy (&url);
return ENOMEM;
}
/* PATH */
name += scheme_len; /* pass the scheme */
url->path = strdup (name);
if (url->path == NULL)
{
ureg->_destroy (&url);
return ENOMEM;
}
*purl = url;
return 0;
}