mongocrypt-compat.h
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mongocrypt-compat.h
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	/*
	* Copyright 2018-present MongoDB, Inc.
	*
	* 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.
	*/
	#ifndef MONGOCRYPT_COMPAT_H
	#define MONGOCRYPT_COMPAT_H

	/* Utilities for cross-platform and C89 compatibility */

	/* Copied from bson-compat.h from the C driver. */
	#include <stdbool.h>
	#include <stdint.h>
	#ifdef MONGOCRYPT_HAVE_STDBOOL_H
	/*
	TODO - check for stdbool.h if we need to support older compilers and reconile
	with kms-message's rules for including stdbool.h
	*/
	#elif !defined(__bool_true_false_are_defined)
	#ifndef __cplusplus
	typedef signed char bool;
	#define false 0
	#define true 1
	#endif
	#define __bool_true_false_are_defined 1
	#endif

	#ifdef __GNUC__
	#define MONGOCRYPT_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
	#else
	#define MONGOCRYPT_WARN_UNUSED_RESULT
	#endif

	#endif /* MONGOCRYPT_COMPAT_H */