1 /*
   2  * Copyright (c) 2004, 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 /* The real functions behind the macro curtains. */
  63 
  64 void           *debug_malloc(size_t, const char *, int);
  65 void           *debug_realloc(void *, size_t, const char *, int);
  66 void           *debug_calloc(size_t, size_t, const char *, int);
  67 char           *debug_strdup(const char *, const char *, int);
  68 void            debug_free(void *, const char *, int);
  69 
  70 #endif
  71 
  72 void            debug_malloc_verify(const char*, int);
  73 #undef malloc_verify
  74 #define malloc_verify()     debug_malloc_verify(__FILE__, __LINE__)
  75 
  76 void            debug_malloc_police(const char*, int);
  77 #undef malloc_police
  78 #define malloc_police()     debug_malloc_police(__FILE__, __LINE__)
  79 
  80 #endif