windows.cfg: Improved configuration for OpenProcess(). (#5651)

Author: orbitcowboy

cfg/windows.cfg

@@ -4800,6 +4800,23 @@ HFONT CreateFont(
       <not-bool/>
     </arg>
   </function>
+  <!-- HANDLE OpenProcess([in] DWORD dwDesiredAccess,
+                          [in] BOOL  bInheritHandle,
+                          [in] DWORD dwProcessId); -->
+  <function name="OpenProcess">
+    <use-retval/>
+    <noreturn>false</noreturn>
+    <returnValue type="HANDLE"/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="2" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="3" direction="in">
+      <not-uninit/>
+    </arg>
+  </function>
   <!--VOID WINAPI FreeLibraryAndExitThread(
   _In_ HMODULE hModule,
   _In_ DWORD   dwExitCode);-->

test/cfg/windows.cpp

@@ -19,6 +19,13 @@
 #include <atlstr.h>
 #include <string>
 
+void resourceLeak_OpenProcess(const DWORD dwDesiredAccess, const BOOL bInheritHandle, const DWORD dwProcessId)
+{
+    HANDLE proc = OpenProcess(dwDesiredAccess, bInheritHandle, dwProcessId);
+    if (proc != INVALID_HANDLE_VALUE) {}
+    // cppcheck-suppress resourceLeak
+}
+
 /// https://learn.microsoft.com/en-us/windows/console/flushconsoleinputbuffer
 BOOL unreachableCode_FlushConsoleInputBuffer(int &val)
 {