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/*
* WEVT task functions
*
* Copyright (C) 2011-2016, Joachim Metz <joachim.metz@gmail.com>
*
* Refer to AUTHORS for acknowledgements.
*
* This software 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 software 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 General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this software. If not, see <http://www.gnu.org/licenses/>.
*/
#include <common.h>
#include <memory.h>
#include <types.h>
#include "libwrc_definitions.h"
#include "libwrc_libcerror.h"
#include "libwrc_libfwevt.h"
#include "libwrc_types.h"
#include "libwrc_wevt_task.h"
/* Creates a task
* Make sure the value task is referencing, is set to NULL
* Returns 1 if successful or -1 on error
*/
int libwrc_wevt_task_initialize(
libwrc_wevt_task_t **task,
libfwevt_task_t *task_descriptor,
libcerror_error_t **error )
{
libwrc_internal_wevt_task_t *internal_task = NULL;
static char *function = "libwrc_wevt_task_initialize";
if( task == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid task.",
function );
return( -1 );
}
if( *task != NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
"%s: invalid task value already set.",
function );
return( -1 );
}
if( task_descriptor == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid task descriptor.",
function );
return( -1 );
}
internal_task = memory_allocate_structure(
libwrc_internal_wevt_task_t );
if( internal_task == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_MEMORY,
LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
"%s: unable to create task.",
function );
goto on_error;
}
if( memory_set(
internal_task,
0,
sizeof( libwrc_internal_wevt_task_t ) ) == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_MEMORY,
LIBCERROR_MEMORY_ERROR_SET_FAILED,
"%s: unable to clear task.",
function );
goto on_error;
}
internal_task->task_descriptor = task_descriptor;
*task = (libwrc_wevt_task_t *) internal_task;
return( 1 );
on_error:
if( internal_task != NULL )
{
memory_free(
internal_task );
}
return( -1 );
}
/* Frees a task
* Returns 1 if successful or -1 on error
*/
int libwrc_wevt_task_free(
libwrc_wevt_task_t **task,
libcerror_error_t **error )
{
libwrc_internal_wevt_task_t *internal_task = NULL;
static char *function = "libwrc_wevt_task_free";
if( task == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid task.",
function );
return( -1 );
}
if( *task != NULL )
{
internal_task = (libwrc_internal_wevt_task_t *) *task;
*task = NULL;
memory_free(
internal_task );
}
return( 1 );
}
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