[PATCH v2 3/5] server: Allow renaming a file to the same name.

[Zebediah Figura]

Signed-off-by: Zebediah Figura 
---
 dlls/ntdll/tests/file.c |  8 ++++----
 server/fd.c             | 11 ++++++++++-
 2 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/dlls/ntdll/tests/file.c b/dlls/ntdll/tests/file.c
index 9e54cf044d7..c05dba574f7 100644
--- a/dlls/ntdll/tests/file.c
+++ b/dlls/ntdll/tests/file.c
@@ -2123,8 +2123,8 @@ static void test_file_rename_information(void)

U(io).Status = 0xdeadbeef;
     res = pNtSetInformationFile( handle, &io, fri, sizeof(FILE_RENAME_INFORMATION) + fri->FileNameLength, FileRenameInformation );
-    todo_wine ok( U(io).Status == STATUS_SUCCESS, "got io status %#x\n", U(io).Status );
-    todo_wine ok( res == STATUS_SUCCESS, "got status %x\n", res );
+    ok( U(io).Status == STATUS_SUCCESS, "got io status %#x\n", U(io).Status );
+    ok( res == STATUS_SUCCESS, "got status %x\n", res );
     ok( GetFileAttributesW( oldpath ) != INVALID_FILE_ATTRIBUTES, "file should exist\n" );

CloseHandle( handle );
@@ -2782,8 +2782,8 @@ static void test_file_link_information(void)
     fli->ReplaceIfExists = TRUE;
     U(io).Status = 0xdeadbeef;
     res = pNtSetInformationFile( handle, &io, fli, sizeof(FILE_LINK_INFORMATION) + fli->FileNameLength, FileLinkInformation );
-    todo_wine ok( U(io).Status == STATUS_SUCCESS, "got io status %#x\n", U(io).Status );
-    todo_wine ok( res == STATUS_SUCCESS, "got status %x\n", res );
+    ok( U(io).Status == STATUS_SUCCESS, "got io status %#x\n", U(io).Status );
+    ok( res == STATUS_SUCCESS, "got status %x\n", res );
     ok( GetFileAttributesW( oldpath ) != INVALID_FILE_ATTRIBUTES, "file should exist\n" );

CloseHandle( handle );
diff --git a/server/fd.c b/server/fd.c
index c2cb3c96ac6..1e2c69e50c9 100644
--- a/server/fd.c
+++ b/server/fd.c
@@ -2328,7 +2328,7 @@ static void set_fd_name( struct fd *fd, struct fd *root, const char *nameptr,
                          data_size_t len, int create_link, int replace )
 {
     struct inode *inode;
-    struct stat st;
+    struct stat st, st2;
     char *name;

if (!fd->inode || !fd->unix_name)
@@ -2367,6 +2367,15 @@ static void set_fd_name( struct fd *fd, struct fd *root, const char *nameptr,

if (!stat( name, &st ))
     {
+        if (fd->unix_fd != -1 && !fstat( fd->unix_fd, &st2 ) &&
+            st.st_ino == st2.st_ino && st.st_dev == st2.st_dev)
+        {
+            if (create_link && !replace)
+                set_error( STATUS_OBJECT_NAME_COLLISION );
+            free( name );
+            return;
+        }
+
         if (!replace)
         {
             set_error( STATUS_OBJECT_NAME_COLLISION );