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#ifndef LIBOWFAT_ATTRIBUTES_H
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#define LIBOWFAT_ATTRIBUTES_H
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#if __GNUC__ && (__STDC_VERSION__ < 199901L)
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#define inline __inline__
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#endif
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#ifndef __GNUC__
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/* macro attribute declarations away if we don't have gcc or clang */
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#define __attribute__(x)
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#define __extension__
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#endif
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#ifndef __cplusplus
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#define noexcept
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#endif
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#define GCC_VERSION_ATLEAST(a,b) (__GNUC__ > a) || ((__GNUC__ == a) && (__GNUC_MINOR__ >= b))
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#if GCC_VERSION_ATLEAST(2,95) && !defined(__STRICT_ANSI__)
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#undef restrict
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#else
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#define restrict
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#endif
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#if GCC_VERSION_ATLEAST(3,0)
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#define likely(a) __builtin_expect((a), 1)
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#define unlikely(a) __builtin_expect((a), 0)
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#else
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#define likely(a) (a)
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#define unlikely(a) (a)
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#endif
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#if GCC_VERSION_ATLEAST(2, 5)
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#define att_const __attribute__((__const__))
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#else
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#define att_const
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#endif
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#if GCC_VERSION_ATLEAST(2, 96)
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#define att_pure __attribute__((__pure__))
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#else
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#define att_pure
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#endif
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#if GCC_VERSION_ATLEAST(3, 0)
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#define att_malloc __attribute__((__malloc__))
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#else
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#define att_malloc
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#endif
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#if GCC_VERSION_ATLEAST(3, 4)
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#define att_warn_unused_result __attribute__((__warn_unused_result__))
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#else
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#define att_warn_unused_result
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#endif
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#if GCC_VERSION_ATLEAST(4, 3)
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#define att_hot __attribute__((__hot__))
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#define att_cold __attribute__((__cold__))
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#else
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#define att_hot
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#define att_cold
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#endif
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#if GCC_VERSION_ATLEAST(4, 3)
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#define att_alloc(x) __attribute__((alloc_size(x)))
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#define att_calloc(x,y) __attribute__((alloc_size(x,y)))
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#else
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#define att_alloc
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#define att_calloc
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#endif
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#if GCC_VERSION_ATLEAST(10, 0)
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#define att_read(argno_ptr) __attribute__((access(read_only, argno_ptr)))
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#define att_readn(argno_ptr, argno_size) __attribute__((access(read_only, argno_ptr, argno_size)))
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#define att_write(argno_ptr) __attribute__((access(write_only, argno_ptr)))
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#define att_writen(argno_ptr, argno_size) __attribute__((access(write_only, argno_ptr, argno_size)))
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#define att_mangle(argno_ptr) __attribute__((access(read_write, argno_ptr)))
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#define att_manglen(argno_ptr, argno_size) __attribute__((access(read_write, argno_ptr, argno_size)))
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#else
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#define att_read(argno_ptr)
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#define att_readn(argno_ptr, argno_size)
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#define att_write(argno_ptr)
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#define att_writen(argno_ptr, argno_size)
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#define att_mangle(argno_ptr)
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#define att_manglen(argno_ptr, argno_size)
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#endif
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#if GCC_VERSION_ATLEAST(3, 2)
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#define att_dontuse __attribute__((__deprecated__))
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#else
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#define att_dontuse
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#endif
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#if GCC_VERSION_ATLEAST(3, 3)
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#define att_nonnull(params) __attribute__((__nonnull__(params)))
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#else
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#define att_nonnull(params)
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#endif
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#if GCC_VERSION_ATLEAST(4, 3)
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#define att_warn(message) __attribute__((__warning__(message)))
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#define att_error(message) __attribute__((__warning__(message)))
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#else
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#define att_warn(message)
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#define att_error(message)
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#endif
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#ifndef __GNUC__
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#define __builtin_constant_p(x) 0
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#endif
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#endif
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