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GetBit for IdentHash

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orignal 2023-02-13 13:45:06 -05:00
parent 7b632bd03d
commit 4d0ad47491
1 changed files with 8 additions and 1 deletions
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9
libi2pd/Tag.h
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2022, The PurpleI2P Project
* Copyright (c) 2013-2023, The PurpleI2P Project
*
* This file is part of Purple i2pd project and licensed under BSD3
*
@ -80,6 +80,13 @@ namespace data {
return i2p::data::Base64ToByteStream (s.c_str (), s.length (), m_Buf, sz);
}
uint8_t GetBit (int i) const
{
int pos = i >> 3; // /8
if (pos >= sz) return 0;
return m_Buf[pos] & (1 << (7 - (i & 0x07)));
}
private:
union // 8 bytes aligned