gen/FreeBSD/assert.c

   1 /*-
   2  * Copyright (c) 1992, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 4. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29
  30 #if defined(LIBC_SCCS) && !defined(lint)
  31 static char sccsid[] = "@(#)assert.c    8.1 (Berkeley) 6/4/93";
  32 #endif /* LIBC_SCCS and not lint */
  33 #include <sys/cdefs.h>
  34 __FBSDID("$FreeBSD: src/lib/libc/gen/assert.c,v 1.8 2007/01/09 00:27:53 imp Exp $");
  35
  36 #include <assert.h>
  37 #include <stdlib.h>
  38 #include <unistd.h>
  39 #if __has_include(<CrashReporterClient.h>)
  40 #include <CrashReporterClient.h>
  41 #else
  42 #define CRGetCrashLogMessage() NULL
  43 #define CRSetCrashLogMessage(...)
  44 #endif
  45 #include "_simple.h"
  46
  47 void
  48 __assert_rtn(func, file, line, failedexpr)
  49         const char *func, *file;
  50         int line;
  51         const char *failedexpr;
  52 {
  53         if (func == (const char *)-1L) {
  54                 /* 8462256: special case to replace __eprintf */
  55                 _simple_dprintf(STDERR_FILENO,
  56                      "%s:%d: failed assertion `%s'\n", file, line, failedexpr);
  57                 if (!CRGetCrashLogMessage()) {
  58                         _SIMPLE_STRING s = _simple_salloc();
  59                         if (s) {
  60                                 _simple_sprintf(s,
  61                                   "%s:%d: failed assertion `%s'\n",
  62                                   file, line, failedexpr);
  63                                 CRSetCrashLogMessage(_simple_string(s));
  64                         } else
  65                                 CRSetCrashLogMessage(failedexpr);
  66                 }
  67         } else if (func == NULL) {
  68                 _simple_dprintf(STDERR_FILENO,
  69                      "Assertion failed: (%s), file %s, line %d.\n", failedexpr,
  70                      file, line);
  71                 if (!CRGetCrashLogMessage()) {
  72                         _SIMPLE_STRING s = _simple_salloc();
  73                         if (s) {
  74                                 _simple_sprintf(s,
  75                                   "Assertion failed: (%s), file %s, line %d.\n",
  76                                   failedexpr, file, line);
  77                                 CRSetCrashLogMessage(_simple_string(s));
  78                         } else
  79                                 CRSetCrashLogMessage(failedexpr);
  80                 }
  81         } else {
  82                 _simple_dprintf(STDERR_FILENO,
  83                      "Assertion failed: (%s), function %s, file %s, line %d.\n",
  84                      failedexpr, func, file, line);
  85                 if (!CRGetCrashLogMessage()) {
  86                         _SIMPLE_STRING s = _simple_salloc();
  87                         if (s) {
  88                                 _simple_sprintf(s,
  89                                   "Assertion failed: (%s), function %s, file %s, line %d.\n",
  90                                   failedexpr, func, file, line);
  91                                 CRSetCrashLogMessage(_simple_string(s));
  92                         } else
  93                                 CRSetCrashLogMessage(failedexpr);
  94                 }
  95         }
  96         abort();
  97         /* NOTREACHED */
  98 }