Util (Windows): fix mem leaks

CarterLi · CarterLi · commit dc5f2ac57748 · 2025-04-01T19:15:20.000+08:00
diff --git a/src/util/windows/wmi.cpp b/src/util/windows/wmi.cpp
@@ -107,7 +107,7 @@ bool FFWmiRecord::getString(const wchar_t* key, FFstrbuf* strbuf)
             case VT_BSTR:
                 if(type == CIM_DATETIME)
                 {
-                    ISWbemDateTime *pDateTime;
+                    FF_AUTO_RELEASE_COM_OBJECT ISWbemDateTime *pDateTime = nullptr;
                     BSTR dateStr;
                     if(FAILED(CoCreateInstance(__uuidof(SWbemDateTime), 0, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pDateTime))))
                         result = false;

Original file line number	Diff line number	Diff line change
`@@ -107,7 +107,7 @@ bool FFWmiRecord::getString(const wchar_t* key, FFstrbuf* strbuf)`
`107`	`107`	`case VT_BSTR:`
`108`	`108`	`if(type == CIM_DATETIME)`
`109`	`109`	`{`
`110`		`- ISWbemDateTime *pDateTime;`
	`110`	`+ FF_AUTO_RELEASE_COM_OBJECT ISWbemDateTime *pDateTime = nullptr;`
`111`	`111`	`BSTR dateStr;`
`112`	`112`	`if(FAILED(CoCreateInstance(__uuidof(SWbemDateTime), 0, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pDateTime))))`
`113`	`113`	`result = false;`