01/01: [SHELL32] Ensure OpenAs_RunDLL does not loop to infinity and beyond. This should fix a timeout on the apitests.

[Mark Jansen]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=3904fd6257f97ed9528db…

commit 3904fd6257f97ed9528db09f097400c35f1229d9
Author:     Mark Jansen <mark.jansen(a)reactos.org>
AuthorDate: Fri Jul 6 21:43:57 2018 +0200
Commit:     Mark Jansen <mark.jansen(a)reactos.org>
CommitDate: Fri Jul 6 21:51:24 2018 +0200

    [SHELL32] Ensure OpenAs_RunDLL does not loop to infinity and beyond.
    This should fix a timeout on the apitests.
---
 dll/win32/shell32/COpenWithMenu.cpp | 28 +++++++++-------------------
 dll/win32/shell32/shlexec.cpp       |  3 ++-
 2 files changed, 11 insertions(+), 20 deletions(-)

diff --git a/dll/win32/shell32/COpenWithMenu.cpp b/dll/win32/shell32/COpenWithMenu.cpp
index 3cf5da3b7d..485623fe3a 100644
--- a/dll/win32/shell32/COpenWithMenu.cpp
+++ b/dll/win32/shell32/COpenWithMenu.cpp
@@ -1035,7 +1035,7 @@ VOID COpenWithDialog::Accept()
         if (m_pInfo->oaifInFlags & OAIF_EXEC)
             m_pAppList->Execute(pApp, m_pInfo->pcszFile);
 
-        DestroyWindow(m_hDialog);
+        EndDialog(m_hDialog, 1);
     }
 }
 
@@ -1066,7 +1066,7 @@ INT_PTR CALLBACK COpenWithDialog::DialogProc(HWND hwndDlg, UINT
uMsg, WPARAM wPa
                     return TRUE;
                 }
                 case IDCANCEL: /* cancel */
-                    DestroyWindow(hwndDlg);
+                    EndDialog(hwndDlg, 0);
                     return TRUE;
                 default:
                     break;
@@ -1085,7 +1085,7 @@ INT_PTR CALLBACK COpenWithDialog::DialogProc(HWND hwndDlg, UINT
uMsg, WPARAM wPa
              }
             break;
         case WM_CLOSE:
-            DestroyWindow(hwndDlg);
+            EndDialog(hwndDlg, 0);
             return TRUE;
         default:
             break;
@@ -1427,8 +1427,7 @@ COpenWithMenu::Initialize(LPCITEMIDLIST pidlFolder,
 HRESULT WINAPI
 SHOpenWithDialog(HWND hwndParent, const OPENASINFO *poainfo)
 {
-    MSG msg;
-    HWND hwnd;
+    INT_PTR ret;
 
     TRACE("SHOpenWithDialog hwndParent %p poainfo %p\n", hwndParent, poainfo);
 
@@ -1439,25 +1438,16 @@ SHOpenWithDialog(HWND hwndParent, const OPENASINFO *poainfo)
 
     COpenWithDialog pDialog(poainfo);
 
-    hwnd = CreateDialogParam(shell32_hInstance, MAKEINTRESOURCE(IDD_OPEN_WITH),
hwndParent, COpenWithDialog::DialogProc, (LPARAM)&pDialog);
-    if (hwnd == NULL)
-    {
-        ERR("Failed to create dialog\n");
-        return E_FAIL;
-    }
-
     if (pDialog.IsNoOpen(hwndParent))
         return S_OK;
 
-    ShowWindow(hwnd, SW_SHOWNORMAL);
+    ret = DialogBoxParamW(shell32_hInstance, MAKEINTRESOURCE(IDD_OPEN_WITH), hwndParent,
+                          COpenWithDialog::DialogProc, (LPARAM)&pDialog);
 
-    while (GetMessage(&msg, NULL, 0, 0) && IsWindow(hwnd))
+    if (ret == (INT_PTR)-1)
     {
-        if (!IsDialogMessage(hwnd, &msg))
-        {
-            TranslateMessage(&msg);
-            DispatchMessage(&msg);
-        }
+        ERR("Failed to create dialog: %u\n", GetLastError());
+        return E_FAIL;
     }
 
     return S_OK;
diff --git a/dll/win32/shell32/shlexec.cpp b/dll/win32/shell32/shlexec.cpp
index 67c10f317c..e8885f6fa1 100644
--- a/dll/win32/shell32/shlexec.cpp
+++ b/dll/win32/shell32/shlexec.cpp
@@ -2314,7 +2314,8 @@ OpenAs_RunDLLA(HWND hwnd, HINSTANCE hinst, LPCSTR cmdline, int
cmdshow)
     LPWSTR pszCmdLineW = NULL;
     TRACE("%p, %p, %s, %d\n", hwnd, hinst, debugstr_a(cmdline), cmdshow);
 
-    __SHCloneStrAtoW(&pszCmdLineW, cmdline);
+    if (cmdline)
+        __SHCloneStrAtoW(&pszCmdLineW, cmdline);
     OpenAs_RunDLLW(hwnd, hinst, pszCmdLineW, cmdshow);
     SHFree(pszCmdLineW);
 }