Clib string & memory functions

git-svn-id: svn://kolibrios.org@553 a494cfbc-eb01-0410-851d-a64ba20cac60
2007-06-26 00:54:22 +00:00
parent d5f66e011c
commit 836c97f0ac
162 changed files with 11855 additions and 0 deletions
--- a/watcom/trunk/clib/heap/nheapset.c
+++ b/watcom/trunk/clib/heap/nheapset.c
@@ -0,0 +1,79 @@
+/****************************************************************************
+*
+*                            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 );
+}