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/* fhandler_dev_zero.cc: code to access /dev/zero
Copyright 2000, 2001 Red Hat, Inc.
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 <errno.h>
#include "security.h"
#include "fhandler.h"
fhandler_dev_zero::fhandler_dev_zero (const char *name)
: fhandler_base (FH_ZERO, name)
{
set_cb (sizeof *this);
}
int
fhandler_dev_zero::open (path_conv *, int flags, mode_t)
{
set_flags (flags);
set_open_status ();
return 1;
}
int
fhandler_dev_zero::write (const void *, size_t len)
{
return len;
}
int
fhandler_dev_zero::read (void *ptr, size_t len)
{
memset(ptr, 0, len);
return len;
}
off_t
fhandler_dev_zero::lseek (off_t, int)
{
return 0;
}
int
fhandler_dev_zero::close (void)
{
return 0;
}
void
fhandler_dev_zero::dump ()
{
paranoid_printf("here, fhandler_dev_zero");
}
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