148 lines
4.7 KiB
C
148 lines
4.7 KiB
C
/* __START_OF_JASPER_LICENSE__
|
|
*
|
|
* JasPer License Version 2.0
|
|
*
|
|
* Copyright (c) 2001-2006 Michael David Adams
|
|
* Copyright (c) 1999-2000 Image Power, Inc.
|
|
* Copyright (c) 1999-2000 The University of British Columbia
|
|
*
|
|
* All rights reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person (the
|
|
* "User") obtaining a copy of this software and associated documentation
|
|
* files (the "Software"), to deal in the Software without restriction,
|
|
* including without limitation the rights to use, copy, modify, merge,
|
|
* publish, distribute, and/or sell copies of the Software, and to permit
|
|
* persons to whom the Software is furnished to do so, subject to the
|
|
* following conditions:
|
|
*
|
|
* 1. The above copyright notices and this permission notice (which
|
|
* includes the disclaimer below) shall be included in all copies or
|
|
* substantial portions of the Software.
|
|
*
|
|
* 2. The name of a copyright holder shall not be used to endorse or
|
|
* promote products derived from the Software without specific prior
|
|
* written permission.
|
|
*
|
|
* THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
|
|
* LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
|
|
* THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
|
|
* "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
|
|
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
|
|
* PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO
|
|
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
|
|
* 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. NO ASSURANCES ARE
|
|
* PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE
|
|
* THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY.
|
|
* EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS
|
|
* BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL
|
|
* PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS
|
|
* GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE
|
|
* ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE
|
|
* IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL
|
|
* SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES,
|
|
* AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL
|
|
* SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH
|
|
* THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH,
|
|
* PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH
|
|
* RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY
|
|
* EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
|
|
*
|
|
* __END_OF_JASPER_LICENSE__
|
|
*/
|
|
|
|
/*!
|
|
* @file jas_compiler.h
|
|
* @brief Compiler-related macros.
|
|
*/
|
|
|
|
#ifndef JAS_COMPILER_H
|
|
#define JAS_COMPILER_H
|
|
|
|
/* The configuration header file should be included first. */
|
|
#include <jasper/jas_config.h>
|
|
|
|
#ifdef _MSC_VER
|
|
# ifndef __cplusplus
|
|
# undef inline
|
|
# define inline __inline
|
|
# endif
|
|
#endif
|
|
|
|
#if defined(__GNUC__)
|
|
# define JAS_DEPRECATED __attribute__((deprecated))
|
|
#else
|
|
# define JAS_DEPRECATED
|
|
#endif
|
|
|
|
#if defined(__GNUC__)
|
|
# define JAS_ATTRIBUTE_CONST __attribute__((const))
|
|
#else
|
|
# define JAS_ATTRIBUTE_CONST
|
|
#endif
|
|
|
|
#if defined(__GNUC__)
|
|
# define JAS_ATTRIBUTE_PURE __attribute__((pure))
|
|
#else
|
|
# define JAS_ATTRIBUTE_PURE
|
|
#endif
|
|
|
|
#if defined(__GNUC__)
|
|
# define JAS_FORCE_INLINE inline __attribute__((always_inline))
|
|
#else
|
|
# define JAS_FORCE_INLINE inline
|
|
#endif
|
|
|
|
#if defined(__GNUC__)
|
|
# if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
|
|
# define JAS_UNREACHABLE() __builtin_unreachable()
|
|
# else
|
|
# define JAS_UNREACHABLE()
|
|
# endif
|
|
#elif defined(__clang__)
|
|
# define JAS_UNREACHABLE() __builtin_unreachable()
|
|
#elif defined(_MSC_VER)
|
|
# define JAS_UNREACHABLE() __assume(0)
|
|
#else
|
|
# define JAS_UNREACHABLE()
|
|
#endif
|
|
|
|
#if defined(__GNUC__)
|
|
# define JAS_LIKELY(x) __builtin_expect (!!(x), 1)
|
|
#else
|
|
# define JAS_LIKELY(x) (x)
|
|
#endif
|
|
|
|
#if defined(__GNUC__)
|
|
# define JAS_UNLIKELY(x) __builtin_expect (!!(x), 0)
|
|
#else
|
|
# define JAS_UNLIKELY(x) (x)
|
|
#endif
|
|
|
|
#if defined(__GNUC__) && __GNUC__ >= 6
|
|
# define JAS_ATTRIBUTE_DISABLE_UBSAN \
|
|
__attribute__((no_sanitize_undefined))
|
|
#elif defined(__clang__)
|
|
# define JAS_ATTRIBUTE_DISABLE_UBSAN \
|
|
__attribute__((no_sanitize("undefined")))
|
|
#else
|
|
# define JAS_ATTRIBUTE_DISABLE_UBSAN
|
|
#endif
|
|
|
|
#ifdef __has_builtin
|
|
#define jas_has_builtin(x) __has_builtin(x)
|
|
#else
|
|
#define jas_has_builtin(x) 0
|
|
#endif
|
|
|
|
/*!
|
|
@brief
|
|
Indicate that a variable may be unused (in order to avoid a compiler warning).
|
|
*/
|
|
#define JAS_UNUSED(x) ((void) x)
|
|
|
|
#endif
|