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[DESK] Add debug prints to pCDevSettings_GetDeviceInstanceId

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Addendum to 3900cf88.
This commit is contained in:
Stanislav Motylkov 2022-05-23 23:50:47 +03:00
parent 985468d08a
commit fcba0968be
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1 changed files with 13 additions and 0 deletions
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13
dll/cpl/desk/devsett.c
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@ -199,27 +199,40 @@ pCDevSettings_GetDeviceInstanceId(const WCHAR *pszDevice)
DevInfo = SetupDiGetClassDevsW(NULL, pszDevice, NULL, DIGCF_ALLCLASSES | DIGCF_PRESENT);
if (DevInfo == INVALID_HANDLE_VALUE)
{
DPRINT1("SetupDiGetClassDevsW(\"%ws\") failed: %d\n", pszDevice, GetLastError());
return NULL;
}
ZeroMemory(&InfoData, sizeof(InfoData));
InfoData.cbSize = sizeof(InfoData);
/* Try to enumerate the first matching device */
if (!SetupDiEnumDeviceInfo(DevInfo, 0, &InfoData))
{
DPRINT1("SetupDiEnumDeviceInfo failed: %d\n", GetLastError());
return NULL;
}
if (SetupDiGetDeviceInstanceId(DevInfo, &InfoData, NULL, 0, &BufLen) ||
GetLastError() != ERROR_INSUFFICIENT_BUFFER)
{
DPRINT1("SetupDiGetDeviceInstanceId failed: %d\n", GetLastError());
return NULL;
}
lpDevInstId = LocalAlloc(LMEM_FIXED,
(BufLen + 1) * sizeof(WCHAR));
if (lpDevInstId == NULL)
{
DPRINT1("LocalAlloc failed\n");
return NULL;
}
if (!SetupDiGetDeviceInstanceId(DevInfo, &InfoData, lpDevInstId, BufLen, NULL))
{
DPRINT1("SetupDiGetDeviceInstanceId failed: %d\n", GetLastError());
LocalFree((HLOCAL)lpDevInstId);
lpDevInstId = NULL;
}