/*
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*
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* honggfuzz - core macros and helpers
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* -----------------------------------------
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*
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* Author: Robert Swiecki <swiecki@google.com>
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*
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* Copyright 2010-2018 by Google Inc. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License. You may obtain
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* a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*
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*/
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#ifndef _HF_COMMON_COMMON_H_
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#define _HF_COMMON_COMMON_H_
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#include <stdlib.h>
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#include <unistd.h>
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/* Stringify */
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#define HF__XSTR(x) #x
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#define HF_XSTR(x) HF__XSTR(x)
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#define HF_ATTR_UNUSED __attribute__((unused))
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#ifndef ARRAYSIZE
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#define ARRAYSIZE(x) (sizeof(x) / sizeof(*x))
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#endif /* ifndef ARRAYSIZE */
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/* Memory barriers */
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#define rmb() __asm__ __volatile__("" ::: "memory")
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#define wmb() __sync_synchronize()
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/* TEMP_FAILURE_RETRY, but for all OSes */
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#ifndef TEMP_FAILURE_RETRY
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#define TEMP_FAILURE_RETRY(exp) \
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({ \
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__typeof(exp) _rc; \
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do { \
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_rc = (exp); \
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} while (_rc == -1 && errno == EINTR); \
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_rc; \
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})
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#endif /* ifndef TEMP_FAILURE_RETRY */
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#define HF_ATTR_NO_SANITIZE_ADDRESS
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#ifdef __has_feature
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#if __has_feature(address_sanitizer)
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#undef HF_ATTR_NO_SANITIZE_ADDRESS
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#define HF_ATTR_NO_SANITIZE_ADDRESS __attribute__((no_sanitize("address")))
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#endif /* if __has_feature(address_sanitizer) */
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#endif /* ifdef __has_feature */
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#define HF_ATTR_NO_SANITIZE_MEMORY
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#ifdef __has_feature
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#if __has_feature(memory_sanitizer)
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#undef HF_ATTR_NO_SANITIZE_MEMORY
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#define HF_ATTR_NO_SANITIZE_MEMORY __attribute__((no_sanitize("memory")))
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#endif /* if __has_feature(memory_sanitizer) */
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#endif /* ifdef __has_feature */
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#endif /* ifndef _HF_COMMON_COMMON_H_ */
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