BytesForBitSize macro

Determines number of byes to represent a given number of bits.

Syntax

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Summary

Declaration

#define BytesForBitSize(aBitSize) static_cast<uint8_t>(((aBitSize) + (kBitsPerByte - 1)) / kBitsPerByte)

Argument

Description

aBitSize

The bit-size (number of bits).

Number of bytes to represent @p aBitSize.

Code

Location

#define BytesForBitSize(aBitSize) static_cast<uint8_t>(((aBitSize) + (kBitsPerByte - 1)) / kBitsPerByte)

uint8_t mMask[BytesForBitSize(kNumBits)];

static uint8_t SizeForLength(uint8_t aLength) { return BytesForBitSize(aLength); }

hdr[1] = BytesForBitSize(sizeof(hdr) + len) - 1;

uint8_t mRouterIdSet[BytesForBitSize(Mle::kMaxRouterId + 1)];