/*
 * Copyright (c) CERN 2013-2017
 *
 * Copyright (c) Members of the EMI Collaboration. 2010-2013
 *  See  http://www.eu-emi.eu/partners for details on the copyright
 *  holders.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once
#ifndef GFAL_COMMON_ERR_HELPERS_H_
#define GFAL_COMMON_ERR_HELPERS_H_

#include "gfal_common.h"
#include <errno.h>

#if !defined(__GFAL2_H_INSIDE__) && !defined(__GFAL2_BUILD__)
#   warning "Direct inclusion of gfal2 headers is deprecated. Please, include only gfal_api.h or gfal_plugins_api.h"
#endif

#ifdef __cplusplus
extern "C" {
#endif


/** @def Wraps g_set_error and appends the function name
 *       only if DEBUG is enabled
 */
void gfal2_set_error(GError       **err,
                     GQuark         domain,
                     gint           code,
                     const gchar   *function,
                     const gchar   *format,
                     ...) G_GNUC_PRINTF (5, 6);

/** @def Wraps g_propagate_prefixed_error, and appends
 *       the function name only if DEBUG is enabled
 *       fmt is always appended
 */
void gfal2_propagate_prefixed_error_extended(GError       **dest,
                                    GError        *src,
                                    const gchar   *function,
                                    const gchar   *format,
                                    ...) G_GNUC_PRINTF (4, 5);

/** @def Wraps g_propagate_prefixed_error, and appends
 *       the function name only if DEBUG is enabled
 */
void gfal2_propagate_prefixed_error(GError       **dest,
                                    GError        *src,
                                    const gchar   *function);


#ifdef __cplusplus
}
#endif

/** @def macro for error error report on args
 *
 */
#define g_return_val_err_if_fail(exp, val, err, msg) if(!(exp)){ g_set_error(err, gfal2_get_core_quark(), EINVAL, msg); return val; }

/** @def macro for one-line return with error management exception-like
 */
#define G_RETURN_ERR(ret, tmp_err, err) \
if(tmp_err)\
    gfal2_propagate_prefixed_error(err, tmp_err, __func__);\
return ret

#endif /* GFAL_COMMON_ERR_HELPERS_H_ */