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[compiler-rt] [profile] Provide lprofGetHostName for all windows environments
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Authored by mstorsjo on Feb 12 2019, 12:28 AM.

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rnk
compnerd

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Summary

This function doesn't use anything MSVC specific but works fine for any _WIN32 target.

Herald added projects: Restricted Project, Restricted Project. · View Herald TranscriptFeb 12 2019, 12:28 AM

lgtm

This revision is now accepted and ready to land.Feb 12 2019, 10:43 AM

This revision was automatically updated to reflect the committed changes.

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	void lprofPtrFetchAdd(void *Mem, long ByteIncr) {			void lprofPtrFetchAdd(void *Mem, long ByteIncr) {
	void Old = Mem;			void Old = Mem;
	((char *)Mem) += ByteIncr;			((char *)Mem) += ByteIncr;
	return Old;			return Old;
	}			}

	#endif			#endif

	#ifdef _MSC_VER			#ifdef _WIN32
	COMPILER_RT_VISIBILITY int lprofGetHostName(char *Name, int Len) {			COMPILER_RT_VISIBILITY int lprofGetHostName(char *Name, int Len) {
	WCHAR Buffer[COMPILER_RT_MAX_HOSTLEN];			WCHAR Buffer[COMPILER_RT_MAX_HOSTLEN];
	DWORD BufferSize = sizeof(Buffer);			DWORD BufferSize = sizeof(Buffer);
	BOOL Result =			BOOL Result =
	GetComputerNameExW(ComputerNameDnsFullyQualified, Buffer, &BufferSize);			GetComputerNameExW(ComputerNameDnsFullyQualified, Buffer, &BufferSize);
	if (!Result)			if (!Result)
	return -1;			return -1;
	if (WideCharToMultiByte(CP_UTF8, 0, Buffer, -1, Name, Len, NULL, NULL) == 0)			if (WideCharToMultiByte(CP_UTF8, 0, Buffer, -1, Name, Len, NULL, NULL) == 0)
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