1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2010 AT&T Intellectual Property * 5 * and is licensed under the * 6 * Common Public License, Version 1.0 * 7 * by AT&T Intellectual Property * 8 * * 9 * A copy of the License is available at * 10 * http://www.opensource.org/licenses/cpl1.0.txt * 11 * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12 * * 13 * Information and Software Systems Research * 14 * AT&T Research * 15 * Florham Park NJ * 16 * * 17 * Glenn Fowler <gsf@research.att.com> * 18 * David Korn <dgk@research.att.com> * 19 * Phong Vo <kpv@research.att.com> * 20 * * 21 ***********************************************************************/ 22 #if defined(_UWIN) && defined(_BLD_ast) 23 24 void _STUB_vmgetmem(){} 25 26 #else 27 28 #include "vmhdr.h" 29 30 /* 31 * vm open/close/resize - a handy default for discipline memory functions 32 * 33 * vmgetmem(0,0,0) open new region 34 * vmgetmem(r,0,0) free region 35 * vmgetmem(r,0,n) allocate n bytes initialized to 0 36 * vmgetmem(r,p,0) free p 37 * vmgetmem(r,p,n) realloc p to n bytes 38 * 39 * Written by Glenn S. Fowler. 40 */ 41 42 #if __STD_C 43 Void_t* vmgetmem(Vmalloc_t* vm, Void_t* data, size_t size) 44 #else 45 Void_t* vmgetmem(vm, data, size) 46 Vmalloc_t* vm; 47 Void_t* data; 48 size_t size; 49 #endif 50 { 51 if (!vm) 52 return vmopen(Vmdcheap, Vmbest, 0); 53 if (data || size) 54 return vmresize(vm, data, size, VM_RSMOVE|VM_RSCOPY|VM_RSZERO); 55 vmclose(vm); 56 return 0; 57 } 58 59 #endif 60