/*******************************************************

* Copyright (c) 2015, ArrayFire

* All rights reserved.

*

* This file is distributed under 3-clause BSD license.

* The complete license agreement can be obtained at:

* http://arrayfire.com/licenses/BSD-3-Clause

********************************************************/

#include <af/array.h>

#include <af/device.h>

#include <af/exception.h>

#include <algorithm>

#include "symbol_manager.hpp"

void af_get_last_error(char **str, dim_t *len) {

// Set error message from unified backend

std::string &global_error_string = get_global_error_string();

dim_t slen = std::min(MAX_ERR_SIZE, (int)global_error_string.size());

// If this is true, the error is coming from the unified backend.

if (slen != 0) {

if (len && slen == 0) {

*len = 0;

*str = NULL;

return;

}

af_alloc_host((void **)str, sizeof(char) * (slen + 1));

global_error_string.copy(*str, slen);

(*str)[slen] = '\0';

global_error_string = std::string("");

if (len) *len = slen;

} else {

// If false, the error is coming from active backend.

typedef void (*af_func)(char **, dim_t *);

af_func func = (af_func)LOAD_SYMBOL();

func(str, len);

}

}