1/*
2 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11
12/* This code is in the public domain.
13** Version: 1.1  Author: Walt Karas
14*/
15
16/* The function in this file performs default actions if self-auditing
17** finds heap corruption.  Don't rely on this code to handle the
18** case where HMM is being used to implement the malloc and free standard
19** library functions.  Rewrite the function if necessary to avoid using
20** I/O and execution termination functions that call malloc or free.
21** In Unix, for example, you would replace the fputs calls with calls
22** to the write system call using file handle number 2.
23*/
24#include "hmm_intrnl.h"
25#include <stdio.h>
26#include <stdlib.h>
27
28static int entered = 0;
29
30/* Print abort message, file and line.  Terminate execution.
31*/
32void hmm_dflt_abort(const char *file, const char *line) {
33  /* Avoid use of printf(), which is more likely to use heap. */
34
35  if (entered)
36
37    /* The standard I/O functions called a heap function and caused
38    ** an indirect recursive call to this function.  So we'll have
39    ** to just exit without printing a message.  */
40    while (1);
41
42  entered = 1;
43
44  fputs("\n_abort - Heap corruption\n" "File: ", stderr);
45  fputs(file, stderr);
46  fputs("  Line: ", stderr);
47  fputs(line, stderr);
48  fputs("\n\n", stderr);
49  fputs("hmm_dflt_abort: while(1)!!!\n", stderr);
50  fflush(stderr);
51
52  while (1);
53}
54