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setupapi: Make a helper to convert a GUID to a string.

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This commit is contained in:
Juan Lang 2007-09-20 09:11:53 -07:00 committed by Alexandre Julliard
parent 60fefd72e8
commit e144979697
1 changed files with 13 additions and 11 deletions
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24
dlls/setupapi/devinst.c
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@ -147,6 +147,18 @@ static void SETUPDI_FreeDeviceInfo(struct DeviceInfo *devInfo)
HeapFree(GetProcessHeap(), 0, devInfo);
}
static void SETUPDI_GuidToString(const GUID *guid, LPWSTR guidStr)
{
static const WCHAR fmt[] = {'{','%','0','8','X','-','%','0','4','X','-',
'%','0','4','X','-','%','0','2','X','%','0','2','X','-','%','0','2',
'X','%','0','2','X','%','0','2','X','%','0','2','X','%','0','2','X','%',
'0','2','X','}',0};
sprintfW(guidStr, fmt, guid->Data1, guid->Data2, guid->Data3,
guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7]);
}
/* Adds a device with GUID guid and identifer devInst to set. Allocates a
* struct DeviceInfo, and points the returned device info's Reserved member
* to it.
@ -1984,7 +1996,6 @@ HKEY WINAPI SetupDiOpenClassRegKeyExW(
PCWSTR MachineName,
PVOID Reserved)
{
LPWSTR lpGuidString;
WCHAR bracedGuidString[39];
HKEY hClassesKey;
HKEY hClassKey;
@ -2023,16 +2034,7 @@ HKEY WINAPI SetupDiOpenClassRegKeyExW(
if (ClassGuid == NULL)
return hClassesKey;
if (UuidToStringW((UUID*)ClassGuid, &lpGuidString) != RPC_S_OK)
{
RegCloseKey(hClassesKey);
return INVALID_HANDLE_VALUE;
}
bracedGuidString[0] = '{';
memcpy(&bracedGuidString[1], lpGuidString, 36*sizeof(WCHAR));
bracedGuidString[37] = '}';
bracedGuidString[38] = 0;
RpcStringFreeW(&lpGuidString);
SETUPDI_GuidToString(ClassGuid, bracedGuidString);
if (RegOpenKeyExW(hClassesKey,
bracedGuidString,