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microprofile: Silence warning in headers

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Silences a truncation warning by making the truncation explicit and
documenting the reason for it.
This commit is contained in:
Lioncash 2020-11-03 15:07:08 -05:00
parent 222fe75401
commit ee21b5378b
1 changed files with 5 additions and 1 deletions
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6
externals/microprofile/microprofile.h vendored
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@ -948,7 +948,11 @@ typedef HANDLE MicroProfileThread;
DWORD _stdcall ThreadTrampoline(void* pFunc) DWORD _stdcall ThreadTrampoline(void* pFunc)
{ {
MicroProfileThreadFunc F = (MicroProfileThreadFunc)pFunc; MicroProfileThreadFunc F = (MicroProfileThreadFunc)pFunc;
return (DWORD)F(0);
// The return value of F will always return a void*, however, this is for
// compatibility with pthreads. The underlying "address" of the pointer
// is always a 32-bit value, so this cast is safe to perform.
return static_cast<DWORD>(reinterpret_cast<uint64_t>(F(0)));
} }
inline void MicroProfileThreadStart(MicroProfileThread* pThread, MicroProfileThreadFunc Func) inline void MicroProfileThreadStart(MicroProfileThread* pThread, MicroProfileThreadFunc Func)