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Windows: fix crashing

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李通洲
2022-10-11 20:13:44 +08:00
parent 2cb7be67bd
commit 8e8d283959
1 changed files with 5 additions and 0 deletions
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src/util/windows/wmi.cpp
+5
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@@ -142,6 +142,11 @@ IEnumWbemClassObject* ffQueryWmi(const wchar_t* queryStr, FFstrbuf* error)
void ffBstrToStrbuf(BSTR bstr, FFstrbuf* strbuf) {
int len = (int)SysStringLen(bstr);
if(len <= 0)
{
ffStrbufClear(strbuf);
return;
}
int size_needed = WideCharToMultiByte(CP_UTF8, 0, bstr, len, nullptr, 0, nullptr, nullptr);
ffStrbufEnsureFree(strbuf, (uint32_t)size_needed);
WideCharToMultiByte(CP_UTF8, 0, bstr, len, strbuf->chars, size_needed, nullptr, nullptr);