// Desliga um determinado bit do bitmap
void setBitOff(unsigned int block)
{
// bit alterado
int bitOffset = block%BITS_PER_WORD;
// caracter alterado
int wordOffset = block/BITS_PER_WORD;
if(block < 0)
return;
if(bitmap == NULL)
loadBitmap();
bitmap[wordOffset] &= ~(1 << bitOffset);
writeBitMap();
}
int setFreeBlockNumber(SUPER_BLOCK * superBlockP, int pos)
{
setZero(superBlockP->bBitMap, getBlockBitMapByteCount(superBlockP), pos);
writeBitMap(superBlockP, dataFp);
return 0;
}
unsigned int getFreeInodeNumber(SUPER_BLOCK * superBlockP)
{
unsigned int offset = findZero(superBlockP->iBitMap, getInodeBitMapByteCount(superBlockP));
writeBitMap(superBlockP, dataFp);
return offset;
}
