| 0,0 → 1,81 |
|---|
| /* $NetBSD: memalloc.h,v 1.11 2000/11/01 19:56:01 christos Exp $ */ |
| |
| /*- |
| * Copyright (c) 1991, 1993 |
| * The Regents of the University of California. All rights reserved. |
| * |
| * This code is derived from software contributed to Berkeley by |
| * Kenneth Almquist. |
| * |
| * 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. All advertising materials mentioning features or use of this software |
| * must display the following acknowledgement: |
| * This product includes software developed by the University of |
| * California, Berkeley and its contributors. |
| * 4. 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. |
| * |
| * @(#)memalloc.h 8.2 (Berkeley) 5/4/95 |
| */ |
| |
| struct stackmark { |
| struct stack_block *stackp; |
| char *stacknxt; |
| int stacknleft; |
| struct stackmark *marknext; |
| }; |
| |
| |
| extern char *stacknxt; |
| extern int stacknleft; |
| extern int sstrnleft; |
| extern int herefd; |
| |
| pointer ckmalloc (int); |
| pointer ckrealloc (pointer, int); |
| char *savestr (char *); |
| pointer stalloc (int); |
| void stunalloc (pointer); |
| void setstackmark (struct stackmark *); |
| void popstackmark (struct stackmark *); |
| void growstackblock (void); |
| void grabstackblock (int); |
| char *growstackstr (void); |
| char *makestrspace (void); |
| void ungrabstackstr (char *, char *); |
| |
| |
| |
| #define stackblock() stacknxt |
| #define stackblocksize() stacknleft |
| #define STARTSTACKSTR(p) p = stackblock(), sstrnleft = stackblocksize() |
| #define STPUTC(c, p) (--sstrnleft >= 0? (*p++ = (c)) : (p = growstackstr(), *p++ = (c))) |
| #define CHECKSTRSPACE(n, p) { if (sstrnleft < n) p = makestrspace(); } |
| #define USTPUTC(c, p) (--sstrnleft, *p++ = (c)) |
| #define STACKSTRNUL(p) (sstrnleft == 0? (p = growstackstr(), *p = '\0') : (*p = '\0')) |
| #define STUNPUTC(p) (++sstrnleft, --p) |
| #define STTOPC(p) p[-1] |
| #define STADJUST(amount, p) (p += (amount), sstrnleft -= (amount)) |
| #define grabstackstr(p) stalloc(stackblocksize() - sstrnleft) |
| |
| #define ckfree(p) free((pointer)(p)) |