Changeset 265 for trunk/kernel/vfs/vfs.h

Timestamp:

Jul 21, 2017, 7:36:08 AM (6 years ago)

Author:

alain

Message:

Fix several bugs in VFS.

File:

• trunk/kernel/vfs/vfs.h (modified) (1 diff)

trunk/kernel/vfs/vfs.h

@@ -725 +725 @@
 /****************************************************************************************** 
  * This function moves <size> bytes between the file identified by the open file descriptor
- * <file_xp> and a local kernel <buffer> , taken into account the offset in <file_xp>.
+ * <file_xp> and a local kernel or user <buffer>, as defined by the <is_user> argument,
+ * and taken into account the offset in <file_xp>.
  * The transfer direction is defined by the <to_buffer> argument.
  ******************************************************************************************
- * @ to_buffer : mapper -> buffer if true / buffer->mapper if false. 
+ * @ to_buffer : mapper -> buffer if true / buffer -> mapper if false. 
+ * @ is_user   : user space buffer if true / local kernel buffer if false. 
  * @ file_xp   : extended pointer on the remote file descriptor.
- * @ buffer    : local pointer on local kernel buffer.
+ * @ buffer    : local pointer on buffer.
  * @ size      : requested number of bytes from offset.
  * @ returns number of bytes actually transfered / -1 if error.
  *****************************************************************************************/
 error_t vfs_move( bool_t   to_buffer,
+                  bool_t   is_user,
                   xptr_t   file_xp, 
                   void   * buffer,