usr/src/lib/libc/port/gen/assert.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*      Copyright (c) 1988 AT&T */
  28 /*        All Rights Reserved   */
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #pragma weak __assert = _assert
  33 #pragma weak __assert_c99 = _assert_c99
  34
  35 #include "lint.h"
  36 #include "_libc_gettext.h"
  37 #include <string.h>
  38 #include <stdlib.h>
  39 #include <unistd.h>
  40 #include <stdio.h>
  41 #include <assert.h>
  42 #include "libc.h"
  43
  44 /*
  45  * Called from "assert" macro; prints without printf or stdio.
  46  */
  47 void
  48 _assert(const char *assertion, const char *filename, int line_num)
  49 {
  50         char buf[512];
  51
  52         (void) snprintf(buf, sizeof (buf),
  53             _libc_gettext("Assertion failed: %s, file %s, line %d\n"),
  54             assertion, filename, line_num);
  55         (void) write(2, buf, strlen(buf));
  56         __set_panicstr(buf);
  57         abort();
  58 }
  59
  60 /*
  61  * Called from "assert" macro in 1999 C based compiles; prints
  62  * function name in addition to the filename and line number
  63  * printed for earlier version C compiles.
  64  */
  65 void
  66 _assert_c99(const char *assertion, const char *filename, int line_num,
  67                 const char *funcname)
  68 {
  69         char buf[512];
  70
  71         (void) snprintf(buf, sizeof (buf),
  72             _libc_gettext("Assertion failed: %s, file %s, line %d, \
  73 function %s\n"),
  74             assertion, filename, line_num, funcname);
  75         (void) write(2, buf, strlen(buf));
  76         __set_panicstr(buf);
  77         abort();
  78 }