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