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#ifndef __ASSERT_H
#define __ASSERT_H
#include <features.h>
/* If NDEBUG is defined, do nothing.
If not, and EXPRESSION is zero, print an error message and abort. */
#ifdef NDEBUG
#define assert(expr) ((void) 0)
#else /* Not NDEBUG. */
extern void __assert __P((const char *, const char *, int, const char *));
#define assert(expr) \
((void) ((expr) || \
(__assert (__STRING(expr), \
__FILE__, __LINE__, __ASSERT_FUNCTION), 0)))
/* Version 2.4 and later of GCC define a magical variable `__PRETTY_FUNCTION__'
which contains the name of the function currently being defined.
# define __ASSERT_FUNCTION __PRETTY_FUNCTION__
This is broken in G++ before version 2.6.
C9x has a similar variable called __func__, but prefer the GCC one since
it demangles C++ function names. */
# ifdef __GNUC__
# if __GNUC__ > 2 || (__GNUC__ == 2 \
&& __GNUC_MINOR__ >= (defined __cplusplus ? 6 : 4))
# define __ASSERT_FUNCTION __PRETTY_FUNCTION__
# else
# define __ASSERT_FUNCTION ((__const char *) 0)
# endif
# else
# if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
# define __ASSERT_FUNCTION __func__
# else
# define __ASSERT_FUNCTION ((__const char *) 0)
# endif
# endif
#endif /* NDEBUG. */
#endif /* __ASSERT_H */
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