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/*
* Memory allocation and error handling utilities.
*
* Copyright (C) 2009-2015 Red Hat ; see COPYRIGHT for license
*/
#ifndef _LD_UTIL_H_
#define _LD_UTIL_H_
#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)))
#endif /* !_LD_UTIL_H_ */
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