assert.h

一个简单的操作系统minix的核心代码

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				src/kernel/assert.h	 	 
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05500	/*
05501	assert.h
05502	*/
05503	#ifndef ASSERT_H
05504	#define ASSERT_H
05505	
05506	#if DEBUG
05507	
05508	#define INIT_ASSERT     static char *assert_file= __FILE__;
05509	
05510	void bad_assertion(char *file, int line, char *what);
05511	void bad_compare(char *file, int line, int lhs, char *what, int rhs);
05512	
05513	#define assert(x)       (!(x) ? bad_assertion(assert_file, __LINE__, #x) \
05514	                                                                : (void) 0)
05515	#define compare(a,t,b)  (!((a) t (b)) ? bad_compare(assert_file, __LINE__, \
05516	                                (a), #a " " #t " " #b, (b)) : (void) 0)
05517	#else /* !DEBUG */
05518	
05519	#define INIT_ASSERT     /* nothing */
05520	
05521	#define assert(x)       (void)0
05522	#define compare(a,t,b)  (void)0
05523	
05524	#endif /* !DEBUG */
05525	
05526	#endif /* ASSERT_H */