14887Schin /***********************************************************************
24887Schin * *
34887Schin * This software is part of the ast package *
4*12068SRoger.Faulkner@Oracle.COM * Copyright (c) 1985-2010 AT&T Intellectual Property *
54887Schin * and is licensed under the *
64887Schin * Common Public License, Version 1.0 *
78462SApril.Chin@Sun.COM * by AT&T Intellectual Property *
84887Schin * *
94887Schin * A copy of the License is available at *
104887Schin * http://www.opensource.org/licenses/cpl1.0.txt *
114887Schin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
124887Schin * *
134887Schin * Information and Software Systems Research *
144887Schin * AT&T Research *
154887Schin * Florham Park NJ *
164887Schin * *
174887Schin * Glenn Fowler <gsf@research.att.com> *
184887Schin * David Korn <dgk@research.att.com> *
194887Schin * Phong Vo <kpv@research.att.com> *
204887Schin * *
214887Schin ***********************************************************************/
224887Schin #if defined(_UWIN) && defined(_BLD_ast)
234887Schin
_STUB_vmgetmem()244887Schin void _STUB_vmgetmem(){}
254887Schin
264887Schin #else
274887Schin
284887Schin #include "vmhdr.h"
294887Schin
304887Schin /*
314887Schin * vm open/close/resize - a handy default for discipline memory functions
324887Schin *
334887Schin * vmgetmem(0,0,0) open new region
344887Schin * vmgetmem(r,0,0) free region
354887Schin * vmgetmem(r,0,n) allocate n bytes initialized to 0
364887Schin * vmgetmem(r,p,0) free p
374887Schin * vmgetmem(r,p,n) realloc p to n bytes
388462SApril.Chin@Sun.COM *
398462SApril.Chin@Sun.COM * Written by Glenn S. Fowler.
404887Schin */
414887Schin
424887Schin #if __STD_C
vmgetmem(Vmalloc_t * vm,Void_t * data,size_t size)434887Schin Void_t* vmgetmem(Vmalloc_t* vm, Void_t* data, size_t size)
444887Schin #else
454887Schin Void_t* vmgetmem(vm, data, size)
464887Schin Vmalloc_t* vm;
474887Schin Void_t* data;
484887Schin size_t size;
494887Schin #endif
504887Schin {
514887Schin if (!vm)
524887Schin return vmopen(Vmdcheap, Vmbest, 0);
534887Schin if (data || size)
544887Schin return vmresize(vm, data, size, VM_RSMOVE|VM_RSCOPY|VM_RSZERO);
554887Schin vmclose(vm);
564887Schin return 0;
574887Schin }
584887Schin
594887Schin #endif
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