hfscommon/Misc/VolumeAllocation.c

2264 	u_int32_t		firstBit;		//	Bit index within word of first bit to allocate
2309 	firstBit = startingBlock % kBitsPerWord;
2310 	if (firstBit != 0) {
2311 		bitMask = kAllBitsSetInWord >> firstBit;	//	turn off all bits before firstBit
2312 		numBits = kBitsPerWord - firstBit;			//	number of remaining bits in this word
2315 			bitMask &= ~(kAllBitsSetInWord >> (firstBit + numBits));	//	turn off bits after last
3588 	u_int32_t  firstBit;       // Bit index within word of first bit to allocate
3624 	firstBit = startingBlock % kBitsPerWord;
3625 	if (firstBit != 0) {
3626 		bitMask = kAllBitsSetInWord >> firstBit;
3627 		numBits = kBitsPerWord - firstBit;
3630 			bitMask &= ~(kAllBitsSetInWord >> (firstBit + numBits));
3937 	u_int32_t  firstBit;       // Bit index within word of first bit to allocate
3976 	firstBit = startingBlock % kBitsPerWord;
3977 	bitMask = kAllBitsSetInWord >> firstBit;
3978 	numBits = kBitsPerWord - firstBit;
3981 		bitMask &= ~(kAllBitsSetInWord >> (firstBit + numBits));