assert.h

1196阅读 0评论2012-10-14 momser
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/* See COPYRIGHT for copyright information. */

#ifndef JOS_INC_ASSERT_H
#define JOS_INC_ASSERT_H

#include <inc/stdio.h>

void _warn(const char*, int, const char*, ...);
void _panic(const char*, int, const char*, ...) __attribute__((noreturn));

#define warn(...) _warn(__FILE__, __LINE__, __VA_ARGS__)
#define panic(...) _panic(__FILE__, __LINE__, __VA_ARGS__)

#define assert(x)        \
    do { if (!(x)) panic("assertion failed: %s", #x); } while (0)

// static_assert(x) will generate a compile-time error if 'x' is false.

#define static_assert(x)    switch (x) case 0: case (x):

#endif /* !JOS_INC_ASSERT_H */

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