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/*======================================================================
FILE: icalattach.c
CREATOR: acampi 28 May 02
(C) COPYRIGHT 2002, Andrea Campi <a.campi@inet.it>
This library 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: https://www.gnu.org/licenses/lgpl-2.1.html
Or:
The Mozilla Public License Version 2.0. You may obtain a copy of
the License at https://www.mozilla.org/MPL/
======================================================================*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "icalattachimpl.h"
#include "icalerror.h"
#include "icalmemory.h"
#include <errno.h>
#include <stdlib.h>
icalattach *icalattach_new_from_url(const char *url)
{
icalattach *attach;
char *url_copy;
icalerror_check_arg_rz((url != NULL), "url");
if ((attach = icalmemory_new_buffer(sizeof(icalattach))) == NULL) {
errno = ENOMEM;
return NULL;
}
if ((url_copy = icalmemory_strdup(url)) == NULL) {
icalmemory_free_buffer(attach);
errno = ENOMEM;
return NULL;
}
attach->refcount = 1;
attach->is_url = 1;
attach->u.url.url = url_copy;
return attach;
}
static void attach_data_free(char *data, void *free_fn_data)
{
_unused(free_fn_data);
icalmemory_free_buffer(data);
}
icalattach *icalattach_new_from_data(const char *data, icalattach_free_fn_t free_fn,
void *free_fn_data)
{
icalattach *attach;
icalerror_check_arg_rz((data != NULL), "data");
if ((attach = icalmemory_new_buffer(sizeof(icalattach))) == NULL) {
errno = ENOMEM;
return NULL;
}
if (!free_fn) {
data = icalmemory_strdup(data);
if (!data) {
icalmemory_free_buffer(attach);
errno = ENOMEM;
return NULL;
}
free_fn = attach_data_free;
}
attach->refcount = 1;
attach->is_url = 0;
attach->u.data.data = (char *) data;
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) {
icalmemory_free_buffer(attach->u.url.url);
} else if (attach->u.data.free_fn) {
(* attach->u.data.free_fn) (attach->u.data.data, attach->u.data.free_fn_data);
}
icalmemory_free_buffer(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 (unsigned char *)attach->u.data.data;
}
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