88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
|
//================================================================================
|
||
|
|
// Copyright (C) 1997 Microsoft Corporation
|
||
|
|
// Author: RameshV
|
||
|
|
// Description: this is a short program to test the bitmask functionality
|
||
|
|
//================================================================================
|
||
|
|
|
||
|
|
#include <mm.h>
|
||
|
|
#include <array.h>
|
||
|
|
#include <bitmask.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
|
||
|
|
PM_BITMASK Bit;
|
||
|
|
|
||
|
|
VOID _cdecl
|
||
|
|
main(
|
||
|
|
VOID
|
||
|
|
)
|
||
|
|
{
|
||
|
|
DWORD Error;
|
||
|
|
DWORD Offset;
|
||
|
|
DWORD BitSize;
|
||
|
|
DWORD ToSet;
|
||
|
|
DWORD ToSet1, ToSet2;
|
||
|
|
DWORD InUseSize;
|
||
|
|
DWORD UsedSize;
|
||
|
|
BOOL OldState;
|
||
|
|
LPBYTE InUse;
|
||
|
|
LPBYTE Used;
|
||
|
|
|
||
|
|
printf("Size of bitmask: "); scanf("%ld", &BitSize);
|
||
|
|
Error = MemBitInit(&Bit, BitSize);
|
||
|
|
printf("MemBitInit(&Bit, %ld)=%ld\n", BitSize, Error);
|
||
|
|
|
||
|
|
while(1) {
|
||
|
|
printf("Enter bit to set [-1 to quit loop] from to: "); scanf("%ld %ld", &ToSet1, &ToSet2);
|
||
|
|
if( -1 == ToSet1 || -1 == ToSet2 ) break;
|
||
|
|
|
||
|
|
for( ToSet = ToSet1; ToSet <= ToSet2; ToSet ++ ) {
|
||
|
|
Error = MemBitSetOrClear(
|
||
|
|
Bit,
|
||
|
|
ToSet,
|
||
|
|
TRUE,
|
||
|
|
&OldState
|
||
|
|
);
|
||
|
|
printf("MemBitSetOrClear(%ld)= %ld,OldState=%ld\n", ToSet, Error, OldState);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
Error = MemBitConvertToCluster(
|
||
|
|
Bit,
|
||
|
|
100,
|
||
|
|
&InUse,
|
||
|
|
&InUseSize,
|
||
|
|
&Used,
|
||
|
|
&UsedSize
|
||
|
|
);
|
||
|
|
printf("MemBitconvert: %ld\n", Error);
|
||
|
|
if( ERROR_SUCCESS != Error )return;
|
||
|
|
|
||
|
|
printf("InUseSize= %ld, UsedSize = %ld\n", InUseSize, UsedSize);
|
||
|
|
|
||
|
|
printf("InUse[0] = %ld\n", *(LPDWORD)InUse);
|
||
|
|
InUse += sizeof(DWORD); InUseSize -= sizeof(DWORD);
|
||
|
|
while(InUseSize) {
|
||
|
|
Offset = *(LPDWORD)InUse;
|
||
|
|
InUse+= sizeof(DWORD);
|
||
|
|
for( ToSet = 0; ToSet < 32; ToSet ++ )
|
||
|
|
if( (1<<ToSet) & *(LPDWORD)InUse )
|
||
|
|
printf("InUse [ %ld ] \n", Offset + ToSet );
|
||
|
|
|
||
|
|
InUse+= sizeof(DWORD);
|
||
|
|
InUseSize -= sizeof(DWORD)*2;
|
||
|
|
}
|
||
|
|
|
||
|
|
printf("Used[0] = %ld\n", *(LPDWORD)Used);
|
||
|
|
Used += sizeof(DWORD);
|
||
|
|
UsedSize -= sizeof(DWORD);
|
||
|
|
while( UsedSize ) {
|
||
|
|
Offset = *(LPDWORD)Used;
|
||
|
|
Used += sizeof(DWORD);
|
||
|
|
UsedSize -= sizeof(DWORD);
|
||
|
|
printf("Used [ %ld ] \n", Offset);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|