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guid: ensure unsigned maths for shifting

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This commit is contained in:
Danny Robson 2014-07-02 15:48:13 +10:00
parent bce3abac40
commit 99bf1af4b2
1 changed files with 8 additions and 8 deletions
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16
guid.cpp
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@ -190,14 +190,14 @@ operator>> (std::istream &is, guid &g) {
>> data4_a >> dash4a
>> data4_b;
uint64_t data4 = data4_b | (uint64_t)data4_a << 48;
g.data4[0] = data4 & 0xFF; data4 >>= 8;
g.data4[1] = data4 & 0xFF; data4 >>= 8;
g.data4[2] = data4 & 0xFF; data4 >>= 8;
g.data4[3] = data4 & 0xFF; data4 >>= 8;
g.data4[4] = data4 & 0xFF; data4 >>= 8;
g.data4[5] = data4 & 0xFF; data4 >>= 8;
g.data4[6] = data4 & 0xFF; data4 >>= 8;
uint64_t data4 = data4_b | static_cast<uint64_t> (data4_a) << 48u;
g.data4[0] = data4 & 0xFF; data4 >>= 8u;
g.data4[1] = data4 & 0xFF; data4 >>= 8u;
g.data4[2] = data4 & 0xFF; data4 >>= 8u;
g.data4[3] = data4 & 0xFF; data4 >>= 8u;
g.data4[4] = data4 & 0xFF; data4 >>= 8u;
g.data4[5] = data4 & 0xFF; data4 >>= 8u;
g.data4[6] = data4 & 0xFF; data4 >>= 8u;
g.data4[7] = data4 & 0xFF;
if (braces)