cosmopolitan/libc/assert.h
2023-07-03 02:48:29 -07:00

51 lines
1.5 KiB
C

#ifndef COSMOPOLITAN_LIBC_ASSERT_H_
#define COSMOPOLITAN_LIBC_ASSERT_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
void __assert_fail(const char *, const char *, int) relegated;
#ifdef NDEBUG
#define assert(x) ((void)0)
#else
#define assert(x) ((void)((x) || (__assert_fail(#x, __FILE__, __LINE__), 0)))
#endif
#ifndef __cplusplus
#define static_assert _Static_assert
#endif
#ifdef COSMO
extern bool __assert_disable;
#ifndef NDEBUG
#define _unassert(x) __assert_macro(x, #x)
#define _npassert(x) __assert_macro(x, #x)
#define __assert_macro(x, s) \
({ \
if (__builtin_expect(!(x), 0)) { \
__assert_fail(s, __FILE__, __LINE__); \
__builtin_trap(); \
} \
(void)0; \
})
#else
#define _npassert(x) \
({ \
if (__builtin_expect(!(x), 0)) { \
__builtin_trap(); \
} \
(void)0; \
})
#define _unassert(x) \
({ \
if (__builtin_expect(!(x), 0)) { \
__builtin_unreachable(); \
} \
(void)0; \
})
#endif /* NDEBUG */
#endif /* COSMO */
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_ASSERT_H_ */