14b88c807SRodney W. Grimes /*- 24b88c807SRodney W. Grimes * Copyright (c) 1991, 1993 34b88c807SRodney W. Grimes * The Regents of the University of California. All rights reserved. 44b88c807SRodney W. Grimes * 54b88c807SRodney W. Grimes * This code is derived from software contributed to Berkeley by 64b88c807SRodney W. Grimes * Kenneth Almquist. 74b88c807SRodney W. Grimes * 84b88c807SRodney W. Grimes * Redistribution and use in source and binary forms, with or without 94b88c807SRodney W. Grimes * modification, are permitted provided that the following conditions 104b88c807SRodney W. Grimes * are met: 114b88c807SRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 124b88c807SRodney W. Grimes * notice, this list of conditions and the following disclaimer. 134b88c807SRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 144b88c807SRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 154b88c807SRodney W. Grimes * documentation and/or other materials provided with the distribution. 164b88c807SRodney W. Grimes * 4. Neither the name of the University nor the names of its contributors 174b88c807SRodney W. Grimes * may be used to endorse or promote products derived from this software 184b88c807SRodney W. Grimes * without specific prior written permission. 194b88c807SRodney W. Grimes * 204b88c807SRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 214b88c807SRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 224b88c807SRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 234b88c807SRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 244b88c807SRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 254b88c807SRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 264b88c807SRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 274b88c807SRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 284b88c807SRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 294b88c807SRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 304b88c807SRodney W. Grimes * SUCH DAMAGE. 314b88c807SRodney W. Grimes * 32aa9caaf6SPeter Wemm * @(#)memalloc.h 8.2 (Berkeley) 5/4/95 332a456239SPeter Wemm * $FreeBSD$ 344b88c807SRodney W. Grimes */ 354b88c807SRodney W. Grimes 36ac08b882SRalf S. Engelschall #include <string.h> 37ac08b882SRalf S. Engelschall 384b88c807SRodney W. Grimes struct stackmark { 394b88c807SRodney W. Grimes struct stack_block *stackp; 404b88c807SRodney W. Grimes char *stacknxt; 414b88c807SRodney W. Grimes int stacknleft; 4284c3800cSMartin Cracauer struct stackmark *marknext; 434b88c807SRodney W. Grimes }; 444b88c807SRodney W. Grimes 454b88c807SRodney W. Grimes 464b88c807SRodney W. Grimes extern char *stacknxt; 474b88c807SRodney W. Grimes extern int stacknleft; 484b88c807SRodney W. Grimes extern int sstrnleft; 494b88c807SRodney W. Grimes extern int herefd; 504b88c807SRodney W. Grimes 51ac08b882SRalf S. Engelschall pointer ckmalloc(size_t); 525134c3f7SWarner Losh pointer ckrealloc(pointer, int); 53670528cdSStefan Farfeleder void ckfree(pointer); 542cac6e36SJilles Tjoelker char *savestr(const char *); 555134c3f7SWarner Losh pointer stalloc(int); 565134c3f7SWarner Losh void stunalloc(pointer); 575134c3f7SWarner Losh void setstackmark(struct stackmark *); 585134c3f7SWarner Losh void popstackmark(struct stackmark *); 595134c3f7SWarner Losh void growstackblock(void); 605134c3f7SWarner Losh void grabstackblock(int); 615134c3f7SWarner Losh char *growstackstr(void); 625134c3f7SWarner Losh char *makestrspace(void); 635134c3f7SWarner Losh void ungrabstackstr(char *, char *); 644b88c807SRodney W. Grimes 654b88c807SRodney W. Grimes 664b88c807SRodney W. Grimes 674b88c807SRodney W. Grimes #define stackblock() stacknxt 684b88c807SRodney W. Grimes #define stackblocksize() stacknleft 694b88c807SRodney W. Grimes #define STARTSTACKSTR(p) p = stackblock(), sstrnleft = stackblocksize() 704b88c807SRodney W. Grimes #define STPUTC(c, p) (--sstrnleft >= 0? (*p++ = (c)) : (p = growstackstr(), *p++ = (c))) 71aa9caaf6SPeter Wemm #define CHECKSTRSPACE(n, p) { if (sstrnleft < n) p = makestrspace(); } 724b88c807SRodney W. Grimes #define USTPUTC(c, p) (--sstrnleft, *p++ = (c)) 734b88c807SRodney W. Grimes #define STACKSTRNUL(p) (sstrnleft == 0? (p = growstackstr(), *p = '\0') : (*p = '\0')) 744b88c807SRodney W. Grimes #define STUNPUTC(p) (++sstrnleft, --p) 754b88c807SRodney W. Grimes #define STTOPC(p) p[-1] 764b88c807SRodney W. Grimes #define STADJUST(amount, p) (p += (amount), sstrnleft -= (amount)) 774b88c807SRodney W. Grimes #define grabstackstr(p) stalloc(stackblocksize() - sstrnleft) 78