87 lines
3.4 KiB
C
87 lines
3.4 KiB
C
/*
|
|
* Copyright (c) 1999-2001
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
*/
|
|
#ifndef REGIONS_H
|
|
#define REGIONS_H
|
|
|
|
#define RPAGELOG 13
|
|
|
|
typedef struct Region *region;
|
|
|
|
#include <stdlib.h>
|
|
|
|
void region_init(void); /* You MUST call this function before using any
|
|
part of this library */
|
|
|
|
region newregion(void);
|
|
region newsubregion(region parent);
|
|
|
|
typedef int type_t;
|
|
#define rctypeof(type) 0
|
|
|
|
/* Low-level alloc with dynamic type info */
|
|
void *typed_ralloc(region r, size_t size, type_t type);
|
|
void *typed_rarrayalloc(region r, size_t n, size_t size, type_t type);
|
|
void *typed_rarrayextend(region r, void *old, size_t n, size_t size, type_t type);
|
|
void typed_rarraycopy(void *to, void *from, size_t n, size_t size, type_t type);
|
|
|
|
#define ralloc(r, type) typed_ralloc((r), sizeof(type), rctypeof(type))
|
|
#define rarrayalloc(r, n, type) typed_rarrayalloc((r), (n), sizeof(type), rctypeof(type))
|
|
#define rarrayextend(r, old, n, type) typed_rarrayextend((r), (old), (n), sizeof(type), rctypeof(type))
|
|
#define rarraycopy(to, from, n, type) typed_rarraycopy((to), (from), (n), sizeof(type), rctypeof(type))
|
|
|
|
char *rstralloc(region r, size_t size);
|
|
char *rstralloc0(region r, size_t size);
|
|
char *rstrdup(region r, const char *s);
|
|
|
|
/* rstrextend is used to extend an old string. The string MUST have been
|
|
initially allocated by a call to rstrextend with old == NULL (you cannot
|
|
initially allocate the string with rstralloc) */
|
|
char *rstrextend(region r, const char *old, size_t newsize);
|
|
char *rstrextend0(region r, const char *old, size_t newsize);
|
|
|
|
void deleteregion(region r);
|
|
void deleteregion_ptr(region *r);
|
|
void deleteregion_array(int n, region *regions);
|
|
region regionof(void *ptr);
|
|
|
|
typedef void (*nomem_handler)(void);
|
|
nomem_handler set_nomem_handler(nomem_handler newhandler);
|
|
|
|
/* Debugging support */
|
|
void findrefs(region r, void *from, void *to);
|
|
void findgrefs(region r);
|
|
void findrrefs(region r, region from);
|
|
|
|
#ifdef REGION_PROFILE
|
|
#include "profile.h"
|
|
#endif
|
|
|
|
#endif
|