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Fix an edge-case in Dummy backend's random generator

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INT_MAX == 2^31 is not a valid random seed for this LCG.
This commit is contained in:
Robin Gareus 2018-10-22 15:46:39 +02:00
parent 4e1464e70f
commit 4e4c6e7d1e
1 changed files with 3 additions and 3 deletions
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6
libs/backends/dummy/dummy_audiobackend.cc
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@ -1664,13 +1664,13 @@ void DummyPort::setup_random_number_generator ()
#ifdef PLATFORM_WINDOWS
LARGE_INTEGER Count;
if (QueryPerformanceCounter (&Count)) {
_rseed = Count.QuadPart % UINT_MAX;
_rseed = Count.QuadPart;
} else
#endif
{
_rseed = g_get_monotonic_time() % UINT_MAX;
_rseed = g_get_monotonic_time();
}
_rseed = (_rseed + (uint64_t)this) % UINT_MAX;
_rseed = (_rseed + (uint64_t)this) % INT_MAX;
if (_rseed == 0) _rseed = 1;
}