/**************************************************************************** * * Open Watcom Project * * Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved. * * ======================================================================== * * This file contains Original Code and/or Modifications of Original * Code as defined in and that are subject to the Sybase Open Watcom * Public License version 1.0 (the 'License'). You may not use this file * except in compliance with the License. BY USING THIS FILE YOU AGREE TO * ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is * provided with the Original Code and Modifications, and is also * available at www.sybase.com/developer/opensource. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR * NON-INFRINGEMENT. Please see the License for the specific language * governing rights and limitations under the License. * * ======================================================================== * * Description: Near heap set routines. * ****************************************************************************/ //#include "dll.h" // needs to be first #include "variety.h" #include <stddef.h> #include <malloc.h> #include <string.h> #include "heap.h" #include "heapacc.h" #if defined(__SMALL_DATA__) _WCRTLINK int _heapset( unsigned int fill ) { return( _nheapset( fill ) ); } #endif #if defined(_M_IX86) #pragma intrinsic(_fmemset) #endif _WCRTLINK int _nheapset( unsigned int fill ) { mheapptr mhp; frlptr curr; int test_heap; test_heap = _heapchk(); if( test_heap != _HEAPOK ) { return( test_heap ); } fill |= fill << 8; _AccessNHeap(); for( mhp = __nheapbeg; mhp != NULL; mhp = mhp->next ) { curr = mhp->freehead.next; for( ;; ) { if( curr == (frlptr) &mhp->freehead ) break; #if defined(_M_IX86) _fmemset( (void _WCFAR *)(curr + 1), fill, curr->len - sizeof(frl) ); #else memset( (void *)(curr + 1), fill, curr->len - sizeof(frl) ); #endif curr = curr->next; } } _ReleaseNHeap(); return( _HEAPOK ); }