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xNBA/src/include/assert.h
2006-03-23 19:23:25 +00:00

53 lines
1.2 KiB
C

#ifndef _ASSERT_H
#define _ASSERT_H
/** @file
*
* Assertions
*
* This file provides two assertion macros: assert() (for run-time
* assertions) and linker_assert() (for link-time assertions).
*
*/
/**
* Assert a condition at run-time.
*
* If the condition is not true, a debug message will be printed.
* Assertions only take effect in debug-enabled builds (see DBG()).
*
* @todo Make an assertion failure abort the program
*
*/
#define assert( condition ) \
do { \
if ( ! (condition) ) { \
printf ( "assert(%s) failed at %s line %d [%s]\n", \
#condition, __FILE__, __LINE__, \
__FUNCTION__ ); \
} \
} while ( 0 )
/**
* Assert a condition at link-time.
*
* If the condition is not true, the link will fail with an unresolved
* symbol (error_symbol).
*
* This macro is gPXE-specific. Do not use this macro in code
* intended to be portable.
*
*/
#define linker_assert( condition, error_symbol ) \
if ( ! (condition) ) { \
extern void error_symbol ( void ); \
error_symbol(); \
}
#ifdef NDEBUG
#undef assert
#define assert(x) do {} while ( 0 )
#endif
#endif /* _ASSERT_H */