FindFirstFile on Root directory should fail

[Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de>]

Changelog
	wine/files/dos_fs.c, wine/dlls/kernel/tests/file.c:
	FindFirstFile on Root directory should fail

This lets the Jave2 Runtime Environment installation during the Xilinx
Webpack installation unpack the *.jar files.
-- 
Uwe Bonnes                bon@elektron.ikp.physik.tu-darmstadt.de

Institut fuer Kernphysik  Schlossgartenstrasse 9  64289 Darmstadt
--------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------
Index: wine/files/dos_fs.c
===================================================================
RCS file: /home/wine/wine/files/dos_fs.c,v
retrieving revision 1.128
diff -u -r1.128 dos_fs.c
--- wine/files/dos_fs.c	14 Feb 2003 20:27:11 -0000	1.128
+++ wine/files/dos_fs.c	29 Mar 2003 18:55:41 -0000
@@ -1921,6 +1921,15 @@
         return INVALID_HANDLE_VALUE;
     }
 
+    if ((lpFileName[1] == L':') 
+	&& ( (strlenW(lpFileName) == 2) || 
+	     ( (strlenW(lpFileName) == 3) && ((lpFileName[2] == L'\\')|| (lpFileName[2] == L'/') ) ) ) )
+    {
+        TRACE("root directories not allowed\n");
+        SetLastError(ERROR_FILE_NOT_FOUND);
+        return INVALID_HANDLE_VALUE;
+    }
+
     if ((fSearchOp != FindExSearchNameMatch) || (dwAdditionalFlags != 0))
     {
         FIXME("options not implemented 0x%08x 0x%08lx\n", fSearchOp, dwAdditionalFlags );
Index: wine/dlls/kernel/tests/file.c
===================================================================
RCS file: /home/wine/wine/dlls/kernel/tests/file.c,v
retrieving revision 1.15
diff -u -r1.15 file.c
--- wine/dlls/kernel/tests/file.c	18 Mar 2003 05:04:34 -0000	1.15
+++ wine/dlls/kernel/tests/file.c	29 Mar 2003 18:55:41 -0000
@@ -746,6 +746,26 @@
     DeleteFileA( filename );
 }
 
+void test_FindFirstFileA()
+{
+    HANDLE handle;
+    WIN32_FIND_DATAA search_results;
+    int err;
+
+    handle = FindFirstFileA("C:",&search_results);
+    err = GetLastError();
+    ok ( handle == INVALID_HANDLE_VALUE , "FindFirstFile on Root directory should Fail");
+    if (handle == INVALID_HANDLE_VALUE)
+      ok ( err == ERROR_FILE_NOT_FOUND, "Bad Error number\n");
+    handle = FindFirstFileA("C:\\",&search_results);
+    err = GetLastError();
+    ok ( handle == INVALID_HANDLE_VALUE , "FindFirstFile on Root directory should Fail");
+    if (handle == INVALID_HANDLE_VALUE)
+      ok ( err == ERROR_FILE_NOT_FOUND, "Bad Error number\n");
+    handle = FindFirstFileA("C:\\*",&search_results);
+    ok ( handle != INVALID_HANDLE_VALUE, "FindFirstFile on C:\\* should succeed" );
+    ok ( FindClose(handle) == TRUE, "Failed to close handle");
+}
 
 START_TEST(file)
 {
@@ -763,6 +783,7 @@
     test_CreateFileW();
     test_DeleteFileA();
     test_DeleteFileW();
+    test_FindFirstFileA();
     test_LockFile();
     test_offset_in_overlapped_structure();
 }