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Diffstat (limited to '')
| -rw-r--r-- | exfat/libexfat/compiler.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/exfat/libexfat/compiler.h b/exfat/libexfat/compiler.h new file mode 100644 index 000000000..3b092a9b9 --- /dev/null +++ b/exfat/libexfat/compiler.h @@ -0,0 +1,66 @@ +/* + 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 */ |