hfscommon/Misc/VolumeAllocation.c

1876 	register u_int32_t	currentWord;	//	Pointer to current word within bitmap block
1932 		currentWord = SWAP_BE32 (*buffer);
1941 		if ((currentWord & bitMask) == 0)
1975 			currentWord = SWAP_BE32 (*buffer);
2006 	while ((currentWord & bitMask) == 0) {
2008 		currentWord |= bitMask;
2018 			*buffer = SWAP_BE32 (currentWord);					//	update value in bitmap
2054 			currentWord = SWAP_BE32 (*buffer);
2057 	*buffer = SWAP_BE32 (currentWord);							//	update the last change
2261 	register u_int32_t	*currentWord;	//	Pointer to current word within bitmap block
2285 	//	Initialize currentWord, and wordsLeft.
2294 		currentWord = buffer + wordIndexInBlock;
2318 		if ((*currentWord & SWAP_BE32 (bitMask)) != 0) {
2322 		*currentWord |= SWAP_BE32 (bitMask);		//	set the bits in the bitmap
2325 		++currentWord;								//	move to next word
2351 			//	Readjust currentWord and wordsLeft
2352 			currentWord = buffer;
2356 		if (*currentWord != 0) {
2360 		*currentWord = SWAP_BE32 (bitMask);
2363 		++currentWord;								//	move to next word
2389 			//	Readjust currentWord and wordsLeft
2390 			currentWord = buffer;
2394 		if ((*currentWord & SWAP_BE32 (bitMask)) != 0) {
2398 		*currentWord |= SWAP_BE32 (bitMask);			//	set the bits in the bitmap
2400 		//	No need to update currentWord or wordsLeft
2680 	u_int32_t	*currentWord;	//	Pointer to current word within bitmap block
2734 	currentWord = buffer + wordIndexInBlock;
2738 		// Move currentWord/bitMask back by one bit
2741 			if (--currentWord < buffer)
2746 		if (*currentWord & SWAP_BE32(bitMask))
2758 	currentWord = buffer + wordIndexInBlock;
2769 		    (*currentWord & SWAP_BE32 (bitMask)) != SWAP_BE32 (bitMask)) {
2772 		*currentWord &= SWAP_BE32 (~bitMask);		//	clear the bits in the bitmap
2775 		++currentWord;								//	move to next word
2800 			//	Readjust currentWord and wordsLeft
2801 			currentWord = buffer;
2805 		    (*currentWord != SWAP_BE32 (kAllBitsSetInWord))) {
2808 		*currentWord = 0;							//	clear the entire word
2811 		++currentWord;								//	move to next word
2837 			//	Readjust currentWord and wordsLeft
2838 			currentWord = buffer;
2842 		    (*currentWord & SWAP_BE32 (bitMask)) != SWAP_BE32 (bitMask)) {
2845 		*currentWord &= SWAP_BE32 (~bitMask);			//	clear the bits in the bitmap
2847 		//	No need to update currentWord or wordsLeft
2856 	currentWord = buffer + wordIndexInBlock;
2860 		// Move currentWord/bitMask/wordsLeft forward one bit
2865 			++currentWord;
2869 		if (*currentWord & SWAP_BE32(bitMask))
3049 	register u_int32_t	*currentWord;
3105 	currentWord = buffer + wordsLeft;
3122 			tempWord = SWAP_BE32(*currentWord);			//	Fetch the current word only once
3135 			++currentWord;
3164 				currentWord = buffer;
3169 			if ((tempWord = SWAP_BE32(*currentWord)) + 1)	//	non-zero if any bits were clear
3184 			++currentWord;
3208 			tempWord = SWAP_BE32(*currentWord);			//	Fetch the current word only once
3221 			++currentWord;
3252 				currentWord = buffer;
3257 			if ((tempWord = SWAP_BE32(*currentWord)) != 0)
3272 			++currentWord;
3585 	u_int32_t  *currentWord;   // Pointer to current word within bitmap block
3608 	 * Initialize currentWord, and wordsLeft.
3617 		currentWord = buffer + wordIndexInBlock;
3632 		if ((*currentWord & SWAP_BE32 (bitMask)) != 0) {
3637 			blockCount += num_bits_set(*currentWord & SWAP_BE32 (bitMask));
3640 		++currentWord;
3659 			/* Readjust currentWord and wordsLeft. */
3660 			currentWord = buffer;
3663 		if (*currentWord != 0) {
3668 			blockCount += num_bits_set(*currentWord);
3671 		++currentWord;
3691 			currentWord = buffer;
3694 		if ((*currentWord & SWAP_BE32 (bitMask)) != 0) {
3699 			blockCount += num_bits_set(*currentWord & SWAP_BE32 (bitMask));
3855 		u_int32_t currentWord = SWAP_BE32(buffer[wordIndexInBlock]);
3861 			u_int32_t is_allocated = currentWord & (1 << (kBitsWithinWordMask - curBit));
3866 						  curAllocBlock, curBit, currentWord, is_allocated, res);
3935 	u_int32_t  *currentWord;   // Pointer to current word within bitmap block
3963 	 * Initialize currentWord, and wordsLeft.
3971 	currentWord = buffer + wordIndexInBlock;
3983 	if ((*currentWord & SWAP_BE32 (bitMask)) != 0) {
3988 	++currentWord;