branch update for HEAD-2003050101

[reactos.git] / lib / kernel32 / file / cnotify.c

diff --git a/lib/kernel32/file/cnotify.c b/lib/kernel32/file/cnotify.c
index 7c065b0..e16c187 100644 (file)
--- a/lib/kernel32/file/cnotify.c
+++ b/lib/kernel32/file/cnotify.c
@@ -11,11 +11,14 @@
 
 #include <k32.h>
 
+#define NDEBUG
+#include <kernel32/kernel32.h>
 
 WINBOOL STDCALL
 FindCloseChangeNotification (HANDLE hChangeHandle)
 {
-  return FALSE;
+   NtClose(hChangeHandle);
+   return TRUE;
 }
 
 
@@ -27,34 +30,34 @@ FindFirstChangeNotificationA (
        DWORD   dwNotifyFilter
        )
 {
-#if 0
        UNICODE_STRING PathNameU;
        ANSI_STRING PathName;
-       HANDLE Result;
+       HANDLE hNotify;
 
        RtlInitAnsiString (&PathName,
                           (LPSTR)lpPathName);
 
        /* convert ansi (or oem) string to unicode */
        if (bIsFileApiAnsi)
+   {
                RtlAnsiStringToUnicodeString (&PathNameU,
                                              &PathName,
                                              TRUE);
+   }
        else
+   {
                RtlOemStringToUnicodeString (&PathNameU,
                                             &PathName,
                                             TRUE);
+   }
 
-       Result = FindFirstChangeNotificationW (PathNameU.Buffer,
-                                              bWatchSubtree,
-                                              dwNotifyFilter);
+   hNotify = FindFirstChangeNotificationW (PathNameU.Buffer,
+                                               bWatchSubtree,
+                                               dwNotifyFilter);
 
-       RtlFreeHeap (RtlGetProcessHeap (),
-                    0,
-                    RootPathNameU.Buffer);
+   RtlFreeUnicodeString(&PathNameU);
 
-       return Result;
-#endif
+   return hNotify;
 }
 
 
@@ -66,7 +69,63 @@ FindFirstChangeNotificationW (
        DWORD   dwNotifyFilter
        )
 {
-       return NULL;
+   NTSTATUS Status;
+   UNICODE_STRING NtPathU;
+   IO_STATUS_BLOCK IoStatus;
+   OBJECT_ATTRIBUTES ObjectAttributes;
+   HANDLE hDir;
+
+   /*
+   RtlDosPathNameToNtPathName takes a fully qualified file name "C:\Projects\LoadLibrary\Debug\TestDll.dll" 
+   and returns something like "\??\C:\Projects\LoadLibrary\Debug\TestDll.dll."
+   If the file name cannot be interpreted, then the routine returns STATUS_OBJECT_PATH_SYNTAX_BAD and 
+   ends execution.
+   */
+
+   if (!RtlDosPathNameToNtPathName_U ((LPWSTR)lpPathName,
+                                          &NtPathU,
+                                          NULL,
+                                          NULL))
+   {
+      SetLastErrorByStatus(STATUS_PATH_SYNTAX_BAD);
+      return INVALID_HANDLE_VALUE;
+   }
+
+   InitializeObjectAttributes (&ObjectAttributes,
+                               &NtPathU,
+                               0,
+                               NULL,
+                               NULL);
+
+   Status = NtOpenFile (hDir,
+                        SYNCHRONIZE|FILE_LIST_DIRECTORY,
+                        &ObjectAttributes,
+                        &IoStatus,
+                        FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
+                        FILE_DIRECTORY_FILE);
+
+   if (!NT_SUCCESS(Status))
+   {
+      SetLastErrorByStatus(Status);
+      return INVALID_HANDLE_VALUE;
+   }
+
+   Status = NtNotifyChangeDirectoryFile(hDir,
+                                        NULL,
+                                        NULL,
+                                        NULL,
+                                        &IoStatus,
+                                        NULL,//Buffer,
+                                        0,//BufferLength,
+                                        dwNotifyFilter,
+                                        bWatchSubtree);
+   if (!NT_SUCCESS(Status))
+   {
+      SetLastErrorByStatus(Status);
+      return INVALID_HANDLE_VALUE;
+   }
+
+   return hDir;
 }
 
 
@@ -76,7 +135,26 @@ FindNextChangeNotification (
        HANDLE  hChangeHandle
        )
 {
-       return FALSE;
+   IO_STATUS_BLOCK IoStatus;
+   NTSTATUS Status;
+
+   Status = NtNotifyChangeDirectoryFile(hChangeHandle,
+                                        NULL,
+                                        NULL,
+                                        NULL,
+                                        &IoStatus,
+                                        NULL,//Buffer,
+                                        0,//BufferLength,
+                                        FILE_NOTIFY_CHANGE_SECURITY,//meaningless for subsequent calls, but must contain a valid flag(s)
+                                        0//meaningless for subsequent calls 
+                                        );
+   if (!NT_SUCCESS(Status))
+   {
+      SetLastErrorByStatus(Status);
+      return FALSE;
+   }
+
+   return TRUE;
 }
 
 /* EOF */