[reactos] 01/01: [SHELL32] Fix hung-up of shell32:shlfileop (#2136)

[Katayama Hirofumi MZ]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=257e7307b4fb4de43b4c5…
commit 257e7307b4fb4de43b4c50e4700b6ef52d0f653e
Author:     Katayama Hirofumi MZ <katayama.hirofumi.mz(a)gmail.com>
AuthorDate: Sun Dec 8 07:58:14 2019 +0900
Commit:     GitHub <noreply(a)github.com>
CommitDate: Sun Dec 8 07:58:14 2019 +0900
    [SHELL32] Fix hung-up of shell32:shlfileop (#2136)
    #2085 caused some failures and hung-up in shell32:shlfileop testcase. This PR will fix
it.
    CORE-16546
---
 dll/win32/shell32/shlfileop.cpp | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)
diff --git a/dll/win32/shell32/shlfileop.cpp b/dll/win32/shell32/shlfileop.cpp
index e7f53fcd448..9c20be4a6c1 100644
--- a/dll/win32/shell32/shlfileop.cpp
+++ b/dll/win32/shell32/shlfileop.cpp
@@ -1811,6 +1811,18 @@ static void check_flags(FILEOP_FLAGS fFlags)
 }
 #ifdef __REACTOS__
+
+/* Error codes could be pre-Win32 */
+#define DE_SAMEFILE      0x71
+#define DE_MANYSRC1DEST  0x72
+#define DE_DIFFDIR       0x73
+#define DE_OPCANCELLED   0x75
+#define DE_DESTSUBTREE   0x76
+#define DE_INVALIDFILES  0x7C
+#define DE_DESTSAMETREE  0x7D
+#define DE_FLDDESTISFILE 0x7E
+#define DE_FILEDESTISFLD 0x80
+
 static DWORD
 validate_operation(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom, FILE_LIST *flTo)
 {
@@ -1821,7 +1833,7 @@ validate_operation(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom,
FILE_LIST *flT
     UINT wFunc = lpFileOp->wFunc;
     HWND hwnd = lpFileOp->hwnd;
-    dwNumDest = ((lpFileOp->fFlags & FOF_MULTIDESTFILES) ? flTo->dwNumFiles :
1);
+    dwNumDest = flTo->dwNumFiles;
     if (wFunc != FO_COPY && wFunc != FO_MOVE)
         return ERROR_SUCCESS;
@@ -1844,7 +1856,7 @@ validate_operation(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom,
FILE_LIST *flT
             if (lstrcmpiW(szFrom, szTo) == 0 &&
                 (wFunc == FO_MOVE || !(lpFileOp->fFlags & FOF_RENAMEONCOLLISION)))
             {
-                if (!(lpFileOp->fFlags & FOF_SILENT))
+                if (!(lpFileOp->fFlags & (FOF_NOERRORUI | FOF_SILENT)))
                 {
                     if (wFunc == FO_MOVE)
                     {
@@ -1861,7 +1873,7 @@ validate_operation(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom,
FILE_LIST *flT
                         MessageBoxW(hwnd, szText, strTitle, MB_ICONERROR);
                     }
                 }
-                return ERROR_SHARING_VIOLATION;
+                return DE_OPCANCELLED;
             }
             // subfolder?
@@ -1878,7 +1890,7 @@ validate_operation(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom,
FILE_LIST *flT
                     if (compare == 0)
                     {
-                        if (!(lpFileOp->fFlags & FOF_SILENT))
+                        if (!(lpFileOp->fFlags & (FOF_NOERRORUI | FOF_SILENT)))
                         {
                             if (wFunc == FO_MOVE)
                             {
@@ -1895,7 +1907,7 @@ validate_operation(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom,
FILE_LIST *flT
                                 MessageBoxW(hwnd, szText, strTitle, MB_ICONERROR);
                             }
                         }
-                        return ERROR_SHARING_VIOLATION;
+                        return ERROR_SUCCESS;
                     }
                 }
             }