src/osalloc.h

   1 /* osalloc.h
   2  * Function prototypes for OS dep. malloc etc - funcs in error.c
   3  * Copyright (C) 1996,1997,2001,2003,2004,2010 Olly Betts
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18  */
  19
  20 #ifndef OSALLOC_H /* only include once */
  21 #define OSALLOC_H
  22
  23 #ifdef __cplusplus
  24 extern "C" {
  25 #endif
  26
  27 /* define TOMBSTONES to enable tombstones on malloc blocks
  28  * for bounds checking */
  29 /*#define TOMBSTONES 1*/
  30
  31 #include <stdlib.h>
  32
  33 /* OSSIZE_T is to osmalloc, etc what size_t is to malloc, etc */
  34 #ifndef TOMBSTONES
  35 # define osfree(p) free((p))
  36 # define xosmalloc(s) malloc((s))
  37 # define xosrealloc(p, s) realloc((p), (s))
  38 #else
  39 void osfree(void *p);
  40 /* ick: */
  41 # define xosmalloc(s) osmalloc((s))
  42 # define xosrealloc(p, s) osrealloc((p), (s))
  43 #endif
  44 #define OSSIZE_T size_t
  45
  46 /* NB No extra () around X as sizeof((char*)) doesn't work */
  47 #define ossizeof(X) ((OSSIZE_T)sizeof(X))
  48 /* Allocate like C++ new -- call osnew(<type>) eg. osnew(point) */
  49 #define osnew(T) (T*)osmalloc(ossizeof(T))
  50
  51 void *osmalloc(OSSIZE_T);
  52 void *osrealloc(void *, OSSIZE_T);
  53 char *osstrdup(const char *str);
  54
  55 #ifdef __cplusplus
  56 }
  57 #endif
  58
  59 #endif