sol-macros.h

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/*
 * This file is part of the Soletta (TM) Project
 *
 * Copyright (C) 2015 Intel Corporation. All rights reserved.
 *
 * 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

#if __GNUC__ >= 4
#define SOL_API  __attribute__((visibility("default")))
#define SOL_ATTR_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
#define SOL_ATTR_CONST __attribute__((__const__))
#define SOL_ATTR_PRINTF(fmt, arg) __attribute__((format(printf, fmt, arg)))
#define SOL_ATTR_SCANF(fmt, arg) __attribute__((format(scanf, fmt, arg)))
#define SOL_ATTR_STRFTIME(fmt) __attribute__((format(strftime, fmt, 0)))
#define SOL_ATTR_NO_INSTRUMENT __attribute__((no_instrument_function))
#define SOL_ATTR_NON_NULL(...) __attribute__((nonnull(__VA_ARGS__)))
#define SOL_ATTR_SECTION(secname) __attribute__((section(secname)))
#define SOL_ATTR_USED __attribute__((__used__))
#define SOL_ATTR_UNUSED __attribute__((__unused__))
#define SOL_ATTR_SENTINEL __attribute__((sentinel))
#define SOL_ATTR_NO_RETURN __attribute__((noreturn))
#define SOL_ATTR_PURE __attribute__((pure))
#define SOL_LIKELY(x)   __builtin_expect(!!(x), 1)
#define SOL_UNLIKELY(x) __builtin_expect(!!(x), 0)
#define SOL_UNREACHABLE() __builtin_unreachable()
#else
#define SOL_API
#define SOL_ATTR_WARN_UNUSED_RESULT
#define SOL_ATTR_CONST
#define SOL_ATTR_PRINTF(fmt, arg)
#define SOL_ATTR_SCANF(fmt, arg)
#define SOL_ATTR_STRFTIME(fmt)
#define SOL_ATTR_NO_INSTRUMENT
#define SOL_ATTR_NON_NULL(...)
#define SOL_ATTR_SECTION(secname)
#define SOL_ATTR_USED
#define SOL_ATTR_UNUSED
#define SOL_ATTR_SENTINEL
#define SOL_ATTR_NO_RETURN
#define SOL_ATTR_PURE
#define SOL_LIKELY(x)
#define SOL_UNLIKELY(x)
#define SOL_UNREACHABLE() ((void)0)
#endif

#ifdef __cplusplus
#define SOL_STATIC_ARRAY_SIZE(n) n
#else
#define SOL_STATIC_ARRAY_SIZE(n) static n
#endif