mirror of
https://github.com/jart/cosmopolitan.git
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50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
#ifndef COSMOPOLITAN_LIBC_ASSERT_H_
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#define COSMOPOLITAN_LIBC_ASSERT_H_
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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extern bool __assert_disable;
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void __assert_fail(const char *, const char *, int) _Hide relegated;
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#ifdef NDEBUG
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#define assert(x) ((void)0)
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#else
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#define assert(x) ((void)((x) || (__assert_fail(#x, __FILE__, __LINE__), 0)))
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#endif
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#ifndef __cplusplus
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#define static_assert _Static_assert
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#endif
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#ifndef NDEBUG
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#define _unassert(x) __assert_macro(x, #x)
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#define _npassert(x) __assert_macro(x, #x)
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#define __assert_macro(x, s) \
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({ \
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if (__builtin_expect(!(x), 0)) { \
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__assert_fail(s, __FILE__, __LINE__); \
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__builtin_trap(); \
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} \
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(void)0; \
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})
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#else
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#define _npassert(x) \
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({ \
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if (__builtin_expect(!(x), 0)) { \
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__builtin_trap(); \
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} \
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(void)0; \
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})
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#define _unassert(x) \
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({ \
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if (__builtin_expect(!(x), 0)) { \
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__builtin_unreachable(); \
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} \
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(void)0; \
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})
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#endif
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_ASSERT_H_ */
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