newlib/winsup/cygwin/ioctl.cc
Christopher Faylor bccd5e0d85 * winsup.h: Eliminate inclusion of most of the cygwin .h files. Use .h files
only in sources which require them.
* Makefile.in: Generate dependencies with -MD option.
2000-08-22 05:10:20 +00:00

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/* ioctl.cc: ioctl routines.
Copyright 1996, 1998 Cygnus Solutions.
Written by Doug Evans of Cygnus Support
dje@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 <sys/ioctl.h>
#include <errno.h>
#include "cygerrno.h"
#include "fhandler.h"
#include "dtable.h"
extern "C" int
ioctl (int fd, int cmd, void *buf)
{
if (fdtab.not_open (fd))
{
set_errno (EBADF);
return -1;
}
debug_printf ("fd %d, cmd %x\n", fd, cmd);
fhandler_base *fh = fdtab[fd];
if (fh->is_tty () && fh->get_device () != FH_PTYM)
switch (cmd)
{
case TCGETA:
return tcgetattr (fd, (struct termios *) buf);
case TCSETA:
return tcsetattr (fd, TCSANOW, (struct termios *) buf);
case TCSETAW:
return tcsetattr (fd, TCSADRAIN, (struct termios *) buf);
case TCSETAF:
return tcsetattr (fd, TCSAFLUSH, (struct termios *) buf);
}
return fh->ioctl (cmd, buf);
}