1da2e3ebdSchin /***********************************************************************
2da2e3ebdSchin *                                                                      *
3da2e3ebdSchin *               This software is part of the ast package               *
4*b30d1939SAndy Fiddaman *          Copyright (c) 1985-2011 AT&T Intellectual Property          *
5da2e3ebdSchin *                      and is licensed under the                       *
6*b30d1939SAndy Fiddaman *                 Eclipse Public License, Version 1.0                  *
77c2fbfb3SApril Chin *                    by AT&T Intellectual Property                     *
8da2e3ebdSchin *                                                                      *
9da2e3ebdSchin *                A copy of the License is available at                 *
10*b30d1939SAndy Fiddaman *          http://www.eclipse.org/org/documents/epl-v10.html           *
11*b30d1939SAndy Fiddaman *         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
12da2e3ebdSchin *                                                                      *
13da2e3ebdSchin *              Information and Software Systems Research               *
14da2e3ebdSchin *                            AT&T Research                             *
15da2e3ebdSchin *                           Florham Park NJ                            *
16da2e3ebdSchin *                                                                      *
17da2e3ebdSchin *                 Glenn Fowler <gsf@research.att.com>                  *
18da2e3ebdSchin *                  David Korn <dgk@research.att.com>                   *
19da2e3ebdSchin *                   Phong Vo <kpv@research.att.com>                    *
20da2e3ebdSchin *                                                                      *
21da2e3ebdSchin ***********************************************************************/
22da2e3ebdSchin #if defined(_UWIN) && defined(_BLD_ast)
23da2e3ebdSchin 
_STUB_vmsegment()24da2e3ebdSchin void _STUB_vmsegment(){}
25da2e3ebdSchin 
26da2e3ebdSchin #else
27da2e3ebdSchin 
28da2e3ebdSchin #include	"vmhdr.h"
29da2e3ebdSchin 
30da2e3ebdSchin /*	Get the segment containing this address
31da2e3ebdSchin **
32da2e3ebdSchin **	Written by Kiem-Phong Vo, kpv@research.att.com, 02/07/95
33da2e3ebdSchin */
34da2e3ebdSchin 
35da2e3ebdSchin #if __STD_C
vmsegment(Vmalloc_t * vm,Void_t * addr)36da2e3ebdSchin Void_t* vmsegment(Vmalloc_t* vm, Void_t* addr)
37da2e3ebdSchin #else
38da2e3ebdSchin Void_t* vmsegment(vm, addr)
39da2e3ebdSchin Vmalloc_t*	vm;	/* region	*/
40da2e3ebdSchin Void_t*		addr;	/* address	*/
41da2e3ebdSchin #endif
42da2e3ebdSchin {
43*b30d1939SAndy Fiddaman 	Seg_t		*seg;
44*b30d1939SAndy Fiddaman 	Vmdata_t	*vd = vm->data;
45da2e3ebdSchin 
46*b30d1939SAndy Fiddaman 	SETLOCK(vm, 0);
47da2e3ebdSchin 
48da2e3ebdSchin 	for(seg = vd->seg; seg; seg = seg->next)
49da2e3ebdSchin 		if((Vmuchar_t*)addr >= (Vmuchar_t*)seg->addr &&
50da2e3ebdSchin 		   (Vmuchar_t*)addr <  (Vmuchar_t*)seg->baddr )
51da2e3ebdSchin 			break;
52da2e3ebdSchin 
53*b30d1939SAndy Fiddaman 	CLRLOCK(vm, 0);
54*b30d1939SAndy Fiddaman 
55da2e3ebdSchin 	return seg ? (Void_t*)seg->addr : NIL(Void_t*);
56da2e3ebdSchin }
57da2e3ebdSchin 
58da2e3ebdSchin #endif
59