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      1 /*	$NetBSD: gcmalloc.h,v 1.4 2006/09/09 16:22:09 manu Exp $	*/
      2 
      3 /*	$KAME: gcmalloc.h,v 1.4 2001/11/16 04:34:57 sakane Exp $	*/
      4 
      5 /*
      6  * Copyright (C) 2000, 2001 WIDE Project.
      7  * All rights reserved.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. Neither the name of the project nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  */
     33 
     34 /*
     35  * Debugging malloc glue for Racoon.
     36  */
     37 
     38 #ifndef _GCMALLOC_H_DEFINED
     39 #define _GCMALLOC_H_DEFINED
     40 
     41 /* ElectricFence needs no special handling. */
     42 
     43 /*
     44  * Boehm-GC provides GC_malloc(), GC_realloc(), GC_free() functions,
     45  * but not the traditional entry points.  So what we do is provide
     46  * malloc(), calloc(), realloc(), and free() entry points in the main
     47  * program and letting the linker do the rest.
     48  */
     49 #ifdef GC
     50 #define GC_DEBUG
     51 #include <gc.h>
     52 
     53 #ifdef RACOON_MAIN_PROGRAM
     54 void *
     55 malloc(size_t size)
     56 {
     57 
     58 	return (GC_MALLOC(size));
     59 }
     60 
     61 void *
     62 calloc(size_t number, size_t size)
     63 {
     64 
     65 	/* GC_malloc() clears the storage. */
     66 	return (GC_MALLOC(number * size));
     67 }
     68 
     69 void *
     70 realloc(void *ptr, size_t size)
     71 {
     72 
     73 	return (GC_REALLOC(ptr, size));
     74 }
     75 
     76 void
     77 free(void *ptr)
     78 {
     79 
     80 	GC_FREE(ptr);
     81 }
     82 
     83 char *
     84 strdup(const char *str)
     85 {
     86 
     87 	return (GC_STRDUP(str));
     88 }
     89 #endif /* RACOON_MAIN_PROGRAM */
     90 
     91 #define	racoon_malloc(sz)	GC_debug_malloc(sz, GC_EXTRAS)
     92 #define	racoon_calloc(cnt, sz)	GC_debug_malloc(cnt * sz, GC_EXTRAS)
     93 #define	racoon_realloc(old, sz)	GC_debug_realloc(old, sz, GC_EXTRAS)
     94 #define	racoon_free(p)		GC_debug_free(p)
     95 #define	racoon_strdup(str)	GC_debug_strdup(str)
     96 
     97 #endif /* GC */
     98 
     99 /*
    100  * Dmalloc only requires that you pull in a header file and link
    101  * against libdmalloc.
    102  */
    103 #ifdef DMALLOC
    104 #include <dmalloc.h>
    105 #endif /* DMALLOC */
    106 
    107 #ifdef DEBUG_RECORD_MALLOCATION
    108 #include <debugrm.h>
    109 #else
    110 #ifndef racoon_malloc
    111 #define	racoon_malloc(sz)	malloc((sz))
    112 #endif
    113 #ifndef racoon_calloc
    114 #define	racoon_calloc(cnt, sz)	calloc((cnt), (sz))
    115 #endif
    116 #ifndef racoon_realloc
    117 #define	racoon_realloc(old, sz)	realloc((old), (sz))
    118 #endif
    119 #ifndef racoon_free
    120 #define	racoon_free(p)		free((p))
    121 #endif
    122 #ifndef racoon_strdup
    123 #define	racoon_strdup(s)	strdup((s))
    124 #endif
    125 #endif /* DEBUG_RECORD_MALLOCATION */
    126 
    127 #endif /* _GCMALLOC_H_DEFINED */
    128