3 Compiler-specific definitions. Note that unknown compiler is not a
6 Free exFAT implementation.
7 Copyright (C) 2010-2017 Andrew Nayenko
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation, either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License along
20 with this program; if not, write to the Free Software Foundation, Inc.,
21 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 #ifndef COMPILER_H_INCLUDED
25 #define COMPILER_H_INCLUDED
27 #if __STDC_VERSION__ < 199901L
28 #error C99-compliant compiler is required
31 #if defined(__clang__)
33 #define PRINTF __attribute__((format(printf, 1, 2)))
34 #define NORETURN __attribute__((noreturn))
35 #define PACKED __attribute__((packed))
36 #if __has_extension(c_static_assert)
37 #define USE_C11_STATIC_ASSERT
40 #elif defined(__GNUC__)
42 #define PRINTF __attribute__((format(printf, 1, 2)))
43 #define NORETURN __attribute__((noreturn))
44 #define PACKED __attribute__((packed))
45 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
46 #define USE_C11_STATIC_ASSERT
57 #ifdef USE_C11_STATIC_ASSERT
58 #define STATIC_ASSERT(cond) _Static_assert(cond, #cond)
60 #define CONCAT2(a, b) a ## b
61 #define CONCAT1(a, b) CONCAT2(a, b)
62 #define STATIC_ASSERT(cond) \
63 extern void CONCAT1(static_assert, __LINE__)(int x[(cond) ? 1 : -1])
66 #endif /* ifndef COMPILER_H_INCLUDED */