From e859359211061848fc84237c32f8e2338316d797 Mon Sep 17 00:00:00 2001
From: Alexandre Julliard <julliard@winehq.org>
Date: Thu, 11 Aug 2005 11:07:17 +0000
Subject: [PATCH] Added a wine_get_dos_file_name function in kernel32 as a
 wrapper around the new wine_unix_to_nt_file_name.

---
 dlls/kernel/kernel32.spec |  1 +
 dlls/kernel/path.c        | 35 ++++++++++++++++++++++++++++++++++-
 include/winbase.h         |  1 +
 3 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/dlls/kernel/kernel32.spec b/dlls/kernel/kernel32.spec
index e6b0f1a5526..80652d99134 100644
--- a/dlls/kernel/kernel32.spec
+++ b/dlls/kernel/kernel32.spec
@@ -1261,6 +1261,7 @@
 
 # Unix files
 @ cdecl wine_get_unix_file_name(wstr)
+@ cdecl wine_get_dos_file_name(str)
 
 # Init code
 @ cdecl __wine_kernel_init()
diff --git a/dlls/kernel/path.c b/dlls/kernel/path.c
index be710659ca5..36c41ae17f4 100644
--- a/dlls/kernel/path.c
+++ b/dlls/kernel/path.c
@@ -1485,6 +1485,39 @@ char *wine_get_unix_file_name( LPCWSTR dosW )
     if (!RtlDosPathNameToNtPathName_U( dosW, &nt_name, NULL, NULL )) return NULL;
     status = wine_nt_to_unix_file_name( &nt_name, &unix_name, FILE_OPEN_IF, FALSE );
     RtlFreeUnicodeString( &nt_name );
-    if (status && status != STATUS_NO_SUCH_FILE) return NULL;
+    if (status && status != STATUS_NO_SUCH_FILE)
+    {
+        SetLastError( RtlNtStatusToDosError( status ) );
+        return NULL;
+    }
     return unix_name.Buffer;
 }
+
+
+/***********************************************************************
+ *           wine_get_dos_file_name (KERNEL32.@) Not a Windows API
+ *
+ * Return the full DOS file name for a given Unix path.
+ * Returned buffer must be freed by caller.
+ */
+WCHAR *wine_get_dos_file_name( LPCSTR str )
+{
+    UNICODE_STRING nt_name;
+    ANSI_STRING unix_name;
+    NTSTATUS status;
+    DWORD len;
+
+    RtlInitAnsiString( &unix_name, str );
+    status = wine_unix_to_nt_file_name( &unix_name, &nt_name );
+    if (status)
+    {
+        SetLastError( RtlNtStatusToDosError( status ) );
+        return NULL;
+    }
+    /* get rid of the \??\ prefix */
+    /* FIXME: should implement RtlNtPathNameToDosPathName and use that instead */
+    len = nt_name.Length - 4 * sizeof(WCHAR);
+    memmove( nt_name.Buffer, nt_name.Buffer + 4, len );
+    nt_name.Buffer[len / sizeof(WCHAR)] = 0;
+    return nt_name.Buffer;
+}
diff --git a/include/winbase.h b/include/winbase.h
index c84b232c765..a842e188d01 100644
--- a/include/winbase.h
+++ b/include/winbase.h
@@ -2169,6 +2169,7 @@ VOID        WINAPI _LeaveSysLevel(SYSLEVEL*);
 /* Wine internal functions */
 
 extern char *wine_get_unix_file_name( LPCWSTR dos );
+extern WCHAR *wine_get_dos_file_name( LPCSTR str );
 
 
 /* a few optimizations for i386/gcc */