1/* Allow this file to be included multiple times 2 with different settings of NDEBUG. */ 3#undef assert 4#undef __assert 5 6#ifdef NDEBUG 7#define assert(ignore) ((void) 0) 8#else 9 10#ifndef __GNUC__ 11 12#define assert(expression) \ 13 ((void) ((expression) ? 0 : __assert (expression, __FILE__, __LINE__))) 14 15#define __assert(expression, file, lineno) \ 16 (printf ("%s:%u: failed assertion\n", file, lineno), \ 17 abort (), 0) 18 19#else 20 21#if defined(__STDC__) || defined (__cplusplus) 22 23/* Defined in libgcc.a */ 24#ifdef __cplusplus 25extern "C" { 26extern void __eprintf (const char *, const char *, unsigned, const char *) 27 __attribute__ ((noreturn)); 28} 29#else 30extern void __eprintf (const char *, const char *, unsigned, const char *) 31 __attribute__ ((noreturn)); 32#endif 33 34#define assert(expression) \ 35 ((void) ((expression) ? 0 : __assert (#expression, __FILE__, __LINE__))) 36 37#define __assert(expression, file, line) \ 38 (__eprintf ("%s:%u: failed assertion `%s'\n", \ 39 file, line, expression), 0) 40 41#else /* no __STDC__ and not C++; i.e. -traditional. */ 42 43extern void __eprintf () __attribute__ ((noreturn)); /* Defined in libgcc.a */ 44 45#define assert(expression) \ 46 ((void) ((expression) ? 0 : __assert (expression, __FILE__, __LINE__))) 47 48#define __assert(expression, file, lineno) \ 49 (__eprintf ("%s:%u: failed assertion `%s'\n", \ 50 file, lineno, "expression"), 0) 51 52#endif /* no __STDC__ and not C++; i.e. -traditional. */ 53#endif /* no __GNU__; i.e., /bin/cc. */ 54#endif 55