assert_default_params.c

assert_default_params.c

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void

assert_func ( int

cond , const

char

msg

) { if (! cond

) { fprintf ( stderr , "assert failed: %s\n" , msg

); abort

();

    }

}

#define

assert_helper ( x , y

, ...) assert_func(x, y) #define

assert ( x

, ...) assert_helper((x), ## VA_ARGS, #x) int

main ( int

argc , char

argv

) { assert ( argc

0

); assert ( argv [ 0 ] !=

0 ,

"argv[0] cannot be null"
);

}