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setupapi: Implement SetupDiGetDeviceInstanceIdA on top of SetupDiGetDeviceInstanceIdW.

This commit is contained in:
Juan Lang 2007-09-19 17:47:52 -07:00 committed by Alexandre Julliard
parent 634cba84d2
commit c1ccd65792
1 changed files with 36 additions and 2 deletions
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38
dlls/setupapi/devinst.c
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@ -813,9 +813,42 @@ BOOL WINAPI SetupDiGetDeviceInstanceIdA(
DWORD DeviceInstanceIdSize,
PDWORD RequiredSize)
{
FIXME("%p %p %p %d %p\n", DeviceInfoSet, DeviceInfoData, DeviceInstanceId,
BOOL ret = FALSE;
DWORD size;
PWSTR instanceId;
TRACE("%p %p %p %d %p\n", DeviceInfoSet, DeviceInfoData, DeviceInstanceId,
DeviceInstanceIdSize, RequiredSize);
return FALSE;
SetupDiGetDeviceInstanceIdW(DeviceInfoSet,
DeviceInfoData,
NULL,
0,
&size);
if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
return FALSE;
instanceId = HeapAlloc(GetProcessHeap(), 0, size * sizeof(WCHAR));
if (instanceId)
{
ret = SetupDiGetDeviceInstanceIdW(DeviceInfoSet,
DeviceInfoData,
instanceId,
size,
&size);
if (ret)
{
int len = WideCharToMultiByte(CP_ACP, 0, instanceId, -1,
DeviceInstanceId,
DeviceInstanceIdSize, NULL, NULL);
if (!len)
ret = FALSE;
else if (RequiredSize)
*RequiredSize = len;
}
HeapFree(GetProcessHeap(), 0, instanceId);
}
return ret;
}
/***********************************************************************
@ -830,6 +863,7 @@ BOOL WINAPI SetupDiGetDeviceInstanceIdW(
{
FIXME("%p %p %p %d %p\n", DeviceInfoSet, DeviceInfoData, DeviceInstanceId,
DeviceInstanceIdSize, RequiredSize);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}