| /* fhandler_dev_zero.cc: code to access /dev/zero |
| |
| Written by DJ Delorie (dj@cygnus.com) |
| |
| This file is part of Cygwin. |
| |
| This software is a copyrighted work licensed under the terms of the |
| Cygwin license. Please consult the file "CYGWIN_LICENSE" for |
| details. */ |
| |
| #include "winsup.h" |
| #include "security.h" |
| #include "cygerrno.h" |
| #include "path.h" |
| #include "fhandler.h" |
| |
| fhandler_dev_zero::fhandler_dev_zero () |
| : fhandler_base () |
| { |
| } |
| |
| ssize_t __stdcall |
| fhandler_dev_zero::write (const void *, size_t len) |
| { |
| if (get_device () == FH_FULL) |
| { |
| set_errno (ENOSPC); |
| return -1; |
| } |
| return len; |
| } |
| |
| void __reg3 |
| fhandler_dev_zero::read (void *ptr, size_t& len) |
| { |
| memset (ptr, 0, len); |
| } |
