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Battery: add support for Windows

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This commit is contained in:
李通洲
2022-10-06 01:23:28 +08:00
parent 8ea2014baf
commit bedd6a1d5d
5 changed files with 105 additions and 5 deletions
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src/util/windows/wmi.cpp
+31
View File
@@ -197,3 +197,34 @@ bool ffGetWmiObjValue(IWbemClassObject* obj, const wchar_t* key, FFstrbuf* strbu
VariantClear(&vtProp);
return result;
}
bool ffGetWmiObjInteger(IWbemClassObject* obj, const wchar_t* key, int64_t* integer)
{
bool result = true;
VARIANT vtProp;
VariantInit(&vtProp);
CIMTYPE type;
if(FAILED(obj->Get(key, 0, &vtProp, &type, nullptr)))
{
result = false;
}
else
{
switch(type)
{
case CIM_SINT8: *integer = vtProp.cVal; break;
case CIM_SINT16: *integer = vtProp.iVal; break;
case CIM_SINT32: *integer = vtProp.intVal; break;
case CIM_SINT64: *integer = vtProp.llVal; break;
case CIM_UINT8: *integer = (int64_t)vtProp.bVal; break;
case CIM_UINT16: *integer = (int64_t)vtProp.uiVal; break;
case CIM_UINT32: *integer = (int64_t)vtProp.uintVal; break;
case CIM_UINT64: *integer = (int64_t)vtProp.ullVal; break;
default: result = false;
}
}
VariantClear(&vtProp);
return result;
}
src/util/windows/wmi.hpp
+1
View File
@@ -34,6 +34,7 @@ void ffBstrToStrbuf(BSTR bstr, FFstrbuf* strbuf);
IEnumWbemClassObject* ffQueryWmi(const wchar_t* queryStr, FFstrbuf* error);
bool ffGetWmiObjValue(IWbemClassObject* obj, const wchar_t* key, FFstrbuf* strbuf);
bool ffGetWmiObjInteger(IWbemClassObject* obj, const wchar_t* key, int64_t* result);
#else
// Win32 COM headers requires C++ compiler