diff options
Diffstat (limited to 'src/backend/lib/bit.c')
| -rw-r--r-- | src/backend/lib/bit.c | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/src/backend/lib/bit.c b/src/backend/lib/bit.c index c13755b08e..b69338ae68 100644 --- a/src/backend/lib/bit.c +++ b/src/backend/lib/bit.c @@ -13,35 +13,29 @@ *------------------------------------------------------------------------- */ -/* - * utils/memutils.h contains declarations of the functions in this file - */ #include "postgres.h" #include "utils/bit.h" + void BitArraySetBit(BitArray bitArray, BitIndex bitIndex) { - bitArray[bitIndex / BitsPerByte] - |= (1 << (BitsPerByte - (bitIndex % BitsPerByte) - 1)); - return; + bitArray[bitIndex / BITSPERBYTE] |= + (1 << (BITSPERBYTE - 1 - (bitIndex % BITSPERBYTE))); } void BitArrayClearBit(BitArray bitArray, BitIndex bitIndex) { - bitArray[bitIndex / BitsPerByte] - &= ~(1 << (BitsPerByte - (bitIndex % BitsPerByte) - 1)); - return; + bitArray[bitIndex / BITSPERBYTE] &= + ~(1 << (BITSPERBYTE - 1 - (bitIndex % BITSPERBYTE))); } bool BitArrayBitIsSet(BitArray bitArray, BitIndex bitIndex) { - return ((bool) (((bitArray[bitIndex / BitsPerByte] & - (1 << (BitsPerByte - (bitIndex % BitsPerByte) - - 1) - ) - ) != 0) ? 1 : 0)); + return ((bitArray[bitIndex / BITSPERBYTE] & + (1 << (BITSPERBYTE - 1 - (bitIndex % BITSPERBYTE))) + ) != 0); } |