Use GetTempPath2W whenever available (#1317)

ankamat-msft · web-flow · commit 0a4edadc546b · 2024-12-11T12:39:42.000-08:00
diff --git a/lib/utils/Utils.cpp b/lib/utils/Utils.cpp
@@ -125,10 +125,15 @@ namespace MAT_NS_BEGIN {
     std::string GetTempDirectory()
     {
 #ifdef _WIN32
+        auto lpGetTempPathW = reinterpret_cast<decltype(&::GetTempPathW)>(GetProcAddress(GetModuleHandle(TEXT("kernel32")), "GetTempPath2W"));
+        if (lpGetTempPathW == NULL)
+        {
+            lpGetTempPathW = ::GetTempPathW;
+        }
         /* UTF-8 temp directory for Win32 Desktop apps */
         std::string path = "";
         wchar_t lpTempPathBuffer[MAX_PATH + 1] = { 0 };
-        if (::GetTempPathW(MAX_PATH, lpTempPathBuffer))
+        if (lpGetTempPathW(MAX_PATH, lpTempPathBuffer))
         {
             path = to_utf8_string(lpTempPathBuffer);
         }

Original file line number	Diff line number	Diff line change
`@@ -125,10 +125,15 @@ namespace MAT_NS_BEGIN {`
`125`	`125`	`std::string GetTempDirectory()`
`126`	`126`	`{`
`127`	`127`	`#ifdef _WIN32`
	`128`	`+ auto lpGetTempPathW = reinterpret_cast<decltype(&::GetTempPathW)>(GetProcAddress(GetModuleHandle(TEXT("kernel32")), "GetTempPath2W"));`
	`129`	`+ if (lpGetTempPathW == NULL)`
	`130`	`+ {`
	`131`	`+ lpGetTempPathW = ::GetTempPathW;`
	`132`	`+ }`
`128`	`133`	`/* UTF-8 temp directory for Win32 Desktop apps */`
`129`	`134`	`std::string path = "";`
`130`	`135`	`wchar_t lpTempPathBuffer[MAX_PATH + 1] = { 0 };`
`131`		`- if (::GetTempPathW(MAX_PATH, lpTempPathBuffer))`
	`136`	`+ if (lpGetTempPathW(MAX_PATH, lpTempPathBuffer))`
`132`	`137`	`{`
`133`	`138`	`path = to_utf8_string(lpTempPathBuffer);`
`134`	`139`	`}`