xref: /netbsd/lib/libc/gen/assert.c (revision f92dc9c4)
1 /*	$NetBSD: assert.c,v 1.9 2000/12/10 03:59:00 christos Exp $	*/
2 
3 /*-
4  * Copyright (c) 1992, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include <sys/cdefs.h>
37 #if defined(LIBC_SCCS) && !defined(lint)
38 #if 0
39 static char sccsid[] = "@(#)assert.c	8.1 (Berkeley) 6/4/93";
40 #else
41 __RCSID("$NetBSD: assert.c,v 1.9 2000/12/10 03:59:00 christos Exp $");
42 #endif
43 #endif /* LIBC_SCCS and not lint */
44 
45 #include <sys/types.h>
46 
47 #include <assert.h>
48 #include <stdio.h>
49 #include <stdlib.h>
50 #include <syslog.h>
51 
52 extern char *__progname;
53 
54 void
55 __assert(file, line, failedexpr)
56 	const char *file, *failedexpr;
57 	int line;
58 {
59 	(void)fprintf(stderr,
60 	    "assertion \"%s\" failed: file \"%s\", line %d\n",
61 	    failedexpr, file, line);
62 	abort();
63 	/* NOTREACHED */
64 }
65 
66 void
67 __diagassert(file, line, failedexpr)
68 	const char *file, *failedexpr;
69 	int line;
70 {
71 		/*
72 		 * XXX: check $DIAGASSERT here, and do user-defined actions
73 		 */
74 	(void)fprintf(stderr,
75 	    "%s: assertion \"%s\" failed: file \"%s\", line %d\n",
76 	    __progname, failedexpr, file, line);
77 	syslog(LOG_DEBUG|LOG_USER,
78 	    "assertion \"%s\" failed: file \"%s\", line %d",
79 	    failedexpr, file, line);
80 	return;
81 }
82