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Fatal bug as vmstruct is not allocated

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Copied from Perforce
 Change: 15957
 ServerID: perforce.ravenbrook.com
This commit is contained in:
David Jones 1996-07-11 14:46:08 +01:00
parent 129f07e361
commit df84b151d5
1 changed files with 7 additions and 2 deletions
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9
mps/src/vman.c
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@ -1,6 +1,6 @@
/* impl.c.vman: ANSI VM: MALLOC-BASED PSUEDO MEMORY MAPPING
*
* $HopeName: MMsrc!vman.c(trunk.9) $
* $HopeName: MMsrc!vman.c(trunk.10) $
* Copyright (C) 1996 Harlequin Group, all rights reserved.
*/
@ -8,7 +8,7 @@
#include <stdlib.h> /* for malloc and free */
#include <string.h> /* for memset */
SRCID(vman, "$HopeName: MMsrc!vman.c(trunk.9) $");
SRCID(vman, "$HopeName: MMsrc!vman.c(trunk.10) $");
#define SpaceVM(_space) (&(_space)->arenaStruct.vmStruct)
@ -41,6 +41,11 @@ Res VMCreate(Space *spaceReturn, Size size, Addr base)
AVER(size != 0);
AVER(base == NULL);
space = (Space)malloc(sizeof(SpaceStruct));
if(space == NULL)
return ResMEMORY;
vm = SpaceVM(space);
/* Note that because we add VMAN_ALIGN rather than */
/* VMAN_ALIGN-1 we are not in danger of overflowing */
/* vm->limit even if malloc were peverse enough to give us */