1 /*
2  * Copyright (c) 2004, 2012, Oracle and/or its affiliates. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  *
8  *   - Redistributions of source code must retain the above copyright
9  *     notice, this list of conditions and the following disclaimer.
10  *
11  *   - Redistributions in binary form must reproduce the above copyright
12  *     notice, this list of conditions and the following disclaimer in the
13  *     documentation and/or other materials provided with the distribution.
14  *
15  *   - Neither the name of Oracle nor the names of its
16  *     contributors may be used to endorse or promote products derived
17  *     from this software without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
20  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
23  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
26  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 /*
33  * This source code is provided to illustrate the usage of a given feature
34  * or technique and has been deliberately simplified. Additional steps
35  * required for a production-quality application, such as security checks,
36  * input validation and proper error handling, might not be present in
37  * this sample code.
38  */
39 
40 
41 /* ***********************************************************************
42  *
43  * The source file debug_malloc.c should be included with your sources.
44  *
45  * The object file debug_malloc.o should be included with your object files.
46  *
47  *   WARNING: Any memory allocattion from things like memalign(), valloc(),
48  *            or any memory not coming from these macros (malloc, realloc,
49  *            calloc, and strdup) will fail miserably.
50  *
51  * ***********************************************************************
52  */
53 
54 #ifndef _DEBUG_MALLOC_H
55 #define _DEBUG_MALLOC_H
56 
57 #ifdef DEBUG
58 
59 #include <stdlib.h>
60 #include <string.h>
61 
62 /* Use THIS_FILE when it is available. */
63 #ifndef THIS_FILE
64     #define THIS_FILE __FILE__
65 #endif
66 
67 /* The real functions behind the macro curtains. */
68 
69 void           *debug_malloc(size_t, const char *, int);
70 void           *debug_realloc(void *, size_t, const char *, int);
71 void           *debug_calloc(size_t, size_t, const char *, int);
72 char           *debug_strdup(const char *, const char *, int);
73 void            debug_free(void *, const char *, int);
74 
75 #endif
76 
77 void            debug_malloc_verify(const char*, int);
78 #undef malloc_verify
79 #define malloc_verify()     debug_malloc_verify(THIS_FILE, __LINE__)
80 
81 void            debug_malloc_police(const char*, int);
82 #undef malloc_police
83 #define malloc_police()     debug_malloc_police(THIS_FILE, __LINE__)
84 
85 #endif
86