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/*
compiler.h (09.06.13)
Compiler-specific definitions. Note that unknown compiler is not a
showstopper.
Free exFAT implementation.
Copyright (C) 2010-2015 Andrew Nayenko
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef COMPILER_H_INCLUDED
#define COMPILER_H_INCLUDED
#if defined(__STDC_VERSION__) && (__STDC_VERSION__ < 199901L)
#error C99-compliant compiler is required
#endif
#if defined(__clang__)
#define PRINTF __attribute__((format(printf, 1, 2)))
#define NORETURN __attribute__((noreturn))
#define PACKED __attribute__((packed))
#if __has_extension(c_static_assert)
#define USE_C11_STATIC_ASSERT
#endif
#elif defined(__GNUC__)
#define PRINTF __attribute__((format(printf, 1, 2)))
#define NORETURN __attribute__((noreturn))
#define PACKED __attribute__((packed))
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
#define USE_C11_STATIC_ASSERT
#endif
#else
#define PRINTF
#define NORETURN
#define PACKED
#endif
#ifdef USE_C11_STATIC_ASSERT
#define STATIC_ASSERT(cond) _Static_assert(cond, #cond)
#else
#define CONCAT2(a, b) a ## b
#define CONCAT1(a, b) CONCAT2(a, b)
#define STATIC_ASSERT(cond) \
extern void CONCAT1(static_assert, __LINE__)(int x[(cond) ? 1 : -1])
#endif
#endif /* ifndef COMPILER_H_INCLUDED */
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