msi: Handle the special table _ForceCodepage in MsiDatabaseExport.

dlls/msi/database.c

@@ -849,12 +849,29 @@ static UINT msi_export_row( MSIRECORD *row, void *arg )
     return msi_export_record( arg, row, 1 );
 }
 
+static UINT msi_export_forcecodepage( HANDLE handle )
+{
+    DWORD sz;
+
+    static const char data[] = "\r\n\r\n0\t_ForceCodepage\r\n";
+
+    FIXME("Read the codepage from the strings table!\n");
+
+    sz = lstrlenA(data) + 1;
+    if (!WriteFile(handle, data, sz, &sz, NULL))
+        return ERROR_FUNCTION_FAILED;
+
+    return ERROR_SUCCESS;
+}
+
 UINT MSI_DatabaseExport( MSIDATABASE *db, LPCWSTR table,
                LPCWSTR folder, LPCWSTR file )
 {
     static const WCHAR query[] = {
         's','e','l','e','c','t',' ','*',' ','f','r','o','m',' ','%','s',0 };
     static const WCHAR szbs[] = { '\\', 0 };
+    static const WCHAR forcecodepage[] = {
+        '_','F','o','r','c','e','C','o','d','e','p','a','g','e',0 };
     MSIRECORD *rec = NULL;
     MSIQUERY *view = NULL;
     LPWSTR filename;
@@ -882,6 +899,12 @@ UINT MSI_DatabaseExport( MSIDATABASE *db, LPCWSTR table,
     if (handle == INVALID_HANDLE_VALUE)
         return ERROR_FUNCTION_FAILED;
 
+    if (!lstrcmpW( table, forcecodepage ))
+    {
+        r = msi_export_forcecodepage( handle );
+        goto done;
+    }
+
     r = MSI_OpenQuery( db, &view, query, table );
     if (r == ERROR_SUCCESS)
     {
@@ -915,8 +938,8 @@ UINT MSI_DatabaseExport( MSIDATABASE *db, LPCWSTR table,
         msiobj_release( &view->hdr );
     }
 
+done:
     CloseHandle( handle );
-
     return r;
 }
 

dlls/msi/tests/db.c

@@ -5701,6 +5701,70 @@ static void test_noquotes(void)
     DeleteFileA(msifile);
 }
 
+static void read_file_data(LPCSTR filename, LPSTR buffer)
+{
+    OFSTRUCT ofs;
+    HFILE file;
+    DWORD read;
+
+    file = OpenFile(filename, &ofs, OF_READ);
+    ZeroMemory(buffer, MAX_PATH);
+    ReadFile((HANDLE)file, buffer, MAX_PATH, &read, NULL);
+    CloseHandle((HANDLE)file);
+}
+
+static void test_forcecodepage(void)
+{
+    MSIHANDLE hdb;
+    const char *query;
+    char buffer[MAX_PATH];
+    UINT r;
+
+    DeleteFile(msifile);
+
+    r = MsiOpenDatabase(msifile, MSIDBOPEN_CREATE, &hdb);
+    ok(r == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", r);
+
+    query = "SELECT * FROM `_ForceCodepage`";
+    r = run_query(hdb, 0, query);
+    ok(r == ERROR_BAD_QUERY_SYNTAX, "Expected ERROR_BAD_QUERY_SYNTAX, got %d\n", r);
+
+    query = "CREATE TABLE `Table` ( `A` CHAR(72) NOT NULL PRIMARY KEY `A` )";
+    r = run_query(hdb, 0, query);
+    ok(r == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", r);
+
+    query = "SELECT * FROM `_ForceCodepage`";
+    r = run_query(hdb, 0, query);
+    ok(r == ERROR_BAD_QUERY_SYNTAX, "Expected ERROR_BAD_QUERY_SYNTAX, got %d\n", r);
+
+    r = MsiDatabaseCommit(hdb);
+    ok(r == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", r);
+
+    query = "SELECT * FROM `_ForceCodepage`";
+    r = run_query(hdb, 0, query);
+    ok(r == ERROR_BAD_QUERY_SYNTAX, "Expected ERROR_BAD_QUERY_SYNTAX, got %d\n", r);
+
+    MsiCloseHandle(hdb);
+
+    r = MsiOpenDatabase(msifile, MSIDBOPEN_DIRECT, &hdb);
+    ok(r == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", r);
+
+    query = "SELECT * FROM `_ForceCodepage`";
+    r = run_query(hdb, 0, query);
+    ok(r == ERROR_BAD_QUERY_SYNTAX, "Expected ERROR_BAD_QUERY_SYNTAX, got %d\n", r);
+
+    r = MsiDatabaseExport(hdb, "_ForceCodepage", CURR_DIR, "forcecodepage.idt");
+    ok(r == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", r);
+
+    read_file_data("forcecodepage.idt", buffer);
+    ok(!lstrcmpA(buffer, "\r\n\r\n0\t_ForceCodepage\r\n"),
+       "Expected \"\r\n\r\n0\t_ForceCodepage\r\n\", got \"%s\"", buffer);
+
+    MsiCloseHandle(hdb);
+    DeleteFileA(msifile);
+    DeleteFileA("forcecodepage.idt");
+}
+
 START_TEST(db)
 {
     test_msidatabase();
@@ -5735,4 +5799,5 @@ START_TEST(db)
     test_quotes();
     test_carriagereturn();
     test_noquotes();
+    test_forcecodepage();
 }