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remove redundant bits in qRandomUuid() function

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at first I was thinking about making it compliant with the RFC but then I
figured none of the use-cases require it to be compliant (e.g.
partitionmanager and the tools that use the generated UUID)

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2023-05-19 01:18:04 +03:00
parent db628e4423
commit 96e0ecf005
1 changed files with 1 additions and 4 deletions
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5
src/core/tools/qbytearray.cpp
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@ -242,8 +242,7 @@ quint32 qChecksum(const char *data, uint len)
/*! /*!
\relates QByteArray \relates QByteArray
Returns pseudo-randomly generated UUID in DCE variant as Returns pseudo-randomly generated UUID.
described in \l{https://www.ietf.org/rfc/rfc4122.txt}.
*/ */
QByteArray qRandomUuid() QByteArray qRandomUuid()
{ {
@ -255,8 +254,6 @@ QByteArray qRandomUuid()
*randombufiter = qrand(); *randombufiter = qrand();
randombufiter += randiterratio; randombufiter += randiterratio;
} }
randombuf[6] = (randombuf[6] & 0x0FFF) | 0x4000; // random version
randombuf[8] = (randombuf[8] & 0x3F) | 0x80; // DCE variant
#define UUID_TOHEX(bufi, randi) \ #define UUID_TOHEX(bufi, randi) \
uuidbuf[bufi] = tohex[(randombuf[randi] >> 4) & 0xf]; \ uuidbuf[bufi] = tohex[(randombuf[randi] >> 4) & 0xf]; \