Louis Lenders : kernel32: Fix GetTempFileName with invalid path.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 8819ae1e66fb0d4181594510431eee7c8d158af0
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=8819ae1e66fb0d4181594510431eee7c8d158af0

Author: Louis Lenders <xerox_xerox2000 at yahoo.co.uk>
Date:   Wed Oct 20 20:27:38 2010 +0200

kernel32: Fix GetTempFileName with invalid path.

Found by Oskar Eisemuth.

---

 dlls/kernel32/path.c       |   10 ++++++++++
 dlls/kernel32/tests/path.c |    2 --
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/dlls/kernel32/path.c b/dlls/kernel32/path.c
index 294ea1c..e72848c 100644
--- a/dlls/kernel32/path.c
+++ b/dlls/kernel32/path.c
@@ -660,6 +660,7 @@ UINT WINAPI GetTempFileNameW( LPCWSTR path, LPCWSTR prefix, UINT unique, LPWSTR
 
     int i;
     LPWSTR p;
+    DWORD attr;
 
     if ( !path || !buffer )
     {
@@ -667,6 +668,15 @@ UINT WINAPI GetTempFileNameW( LPCWSTR path, LPCWSTR prefix, UINT unique, LPWSTR
         return 0;
     }
 
+    /* ensure that the provided directory exists */
+    attr = GetFileAttributesW(path);
+    if (attr == INVALID_FILE_ATTRIBUTES || !(attr & FILE_ATTRIBUTE_DIRECTORY))
+    {
+        TRACE("path not found %s\n", debugstr_w(path));
+        SetLastError( ERROR_DIRECTORY );
+        return 0;
+    }
+
     strcpyW( buffer, path );
     p = buffer + strlenW(buffer);
 
diff --git a/dlls/kernel32/tests/path.c b/dlls/kernel32/tests/path.c
index 0200fc4..0065ebf 100644
--- a/dlls/kernel32/tests/path.c
+++ b/dlls/kernel32/tests/path.c
@@ -364,9 +364,7 @@ static void test_InitPathA(CHAR *newdir, CHAR *curDrive, CHAR *otherDrive)
     /* Non-existent path */
     sprintf(invalid_dir, "%s\%s",tmppath,"non_existent_dir_1jwj3y32nb3");
     SetLastError(0xdeadbeef);
-    todo_wine
     ok(!GetTempFileNameA(invalid_dir,"tfn",unique,newdir),"GetTempFileNameA should have failed\n");
-    todo_wine
     ok(GetLastError()==ERROR_DIRECTORY || broken(GetLastError()==ERROR_PATH_NOT_FOUND)/*win98*/,
     "got %d, expected ERROR_DIRECTORY\n", GetLastError());