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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0 AND ISC
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
/*
* Copyright (C) Red Hat
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND AUTHORS DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Memory allocation and error handling utilities.
*/
#pragma once
#include <isc/mem.h>
#include <dns/types.h>
#include "log.h"
#define CLEANUP_WITH(result_code) \
do { \
result = (result_code); \
goto cleanup; \
} while (0)
#define CHECK(op) \
do { \
result = (op); \
if (result != ISC_R_SUCCESS) \
goto cleanup; \
} while (0)
#define CHECKED_MEM_GET(m, target_ptr, s) \
do { \
(target_ptr) = isc_mem_get((m), (s)); \
if ((target_ptr) == NULL) { \
result = ISC_R_NOMEMORY; \
log_error("Memory allocation failed"); \
goto cleanup; \
} \
} while (0)
#define CHECKED_MEM_GET_PTR(m, target_ptr) \
CHECKED_MEM_GET(m, target_ptr, sizeof(*(target_ptr)))
#define CHECKED_MEM_STRDUP(m, source, target) \
do { \
(target) = isc_mem_strdup((m), (source)); \
if ((target) == NULL) { \
result = ISC_R_NOMEMORY; \
log_error("Memory allocation failed"); \
goto cleanup; \
} \
} while (0)
#define ZERO_PTR(ptr) memset((ptr), 0, sizeof(*(ptr)))
#define MEM_PUT_AND_DETACH(target_ptr) \
isc_mem_putanddetach(&(target_ptr)->mctx, target_ptr, \
sizeof(*(target_ptr)))
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