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/* -*- Mode: C -*-
======================================================================
FILE: icalattach.c
CREATOR: acampi 28 May 02
$Id: icalattach.c 1024886 2009-09-17 13:28:13Z winterz $
$Locker: $
(C) COPYRIGHT 2000, Andrea Campi
This program is free software; you can redistribute it and/or modify
it under the terms of either:
The LGPL as published by the Free Software Foundation, version
2.1, available at: http://www.fsf.org/copyleft/lesser.html
Or:
The Mozilla Public License Version 1.0. You may obtain a copy of
the License at http://www.mozilla.org/MPL/
The original code is icaltypes.c
======================================================================*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "icaltypes.h"
#include "icalerror.h"
#include "icalmemory.h"
#include "icalattachimpl.h"
#include <stdlib.h> /* for malloc and abs() */
#include <errno.h> /* for errno */
#include <string.h> /* for icalmemory_strdup */
#include <assert.h>
icalattach *
icalattach_new_from_url (const char *url)
{
icalattach *attach;
char *url_copy;
icalerror_check_arg_rz ((url != NULL), "url");
if ((attach = malloc (sizeof (icalattach))) == NULL) {
errno = ENOMEM;
return NULL;
}
if ((url_copy = strdup (url)) == NULL) {
free (attach);
errno = ENOMEM;
return NULL;
}
attach->refcount = 1;
attach->is_url = 1;
attach->u.url.url = url_copy;
return attach;
}
icalattach *
icalattach_new_from_data (unsigned char *data, icalattach_free_fn_t free_fn,
void *free_fn_data)
{
icalattach *attach;
char *data_copy;
icalerror_check_arg_rz ((data != NULL), "data");
if ((attach = malloc (sizeof (icalattach))) == NULL) {
errno = ENOMEM;
return NULL;
}
if ((data_copy = strdup (data)) == NULL) {
free (attach);
errno = ENOMEM;
return NULL;
}
attach->refcount = 1;
attach->is_url = 0;
attach->u.data.data = data_copy;
attach->u.data.free_fn = free_fn;
attach->u.data.free_fn_data = free_fn_data;
return attach;
}
void
icalattach_ref (icalattach *attach)
{
icalerror_check_arg_rv ((attach != NULL), "attach");
icalerror_check_arg_rv ((attach->refcount > 0), "attach->refcount > 0");
attach->refcount++;
}
void
icalattach_unref (icalattach *attach)
{
icalerror_check_arg_rv ((attach != NULL), "attach");
icalerror_check_arg_rv ((attach->refcount > 0), "attach->refcount > 0");
attach->refcount--;
if (attach->refcount != 0)
return;
if (attach->is_url) {
free (attach->u.url.url);
} else {
free (attach->u.data.data);
/* unused for now
if (attach->u.data.free_fn)
(* attach->u.data.free_fn) (attach->u.data.data, attach->u.data.free_fn_data);
*/
}
free (attach);
}
int
icalattach_get_is_url (icalattach *attach)
{
icalerror_check_arg_rz ((attach != NULL), "attach");
return attach->is_url ? 1 : 0;
}
const char *
icalattach_get_url (icalattach *attach)
{
icalerror_check_arg_rz ((attach != NULL), "attach");
icalerror_check_arg_rz ((attach->is_url), "attach->is_url");
return attach->u.url.url;
}
unsigned char *
icalattach_get_data (icalattach *attach)
{
icalerror_check_arg_rz ((attach != NULL), "attach");
icalerror_check_arg_rz ((!attach->is_url), "!attach->is_url");
return attach->u.data.data;
}
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