sysdeps/unix/sysv/linux/powerpc/ioctl.c

   1 /* Copyright (C) 1998-2016 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #include <stdarg.h>
  19 #include <termios.h>
  20 #include <unistd.h>
  21 #include <sys/ioctl.h>
  22 #include <sysdep.h>
  23
  24 /* The user-visible size of struct termios has changed.  Catch ioctl calls
  25    using the new-style struct termios, and translate them to old-style.  */
  26
  27 int
  28 __ioctl (int fd, unsigned long int request, ...)
  29 {
  30   void *arg;
  31   va_list ap;
  32   int result;
  33
  34   va_start (ap, request);
  35   arg = va_arg (ap, void *);
  36
  37   switch (request)
  38     {
  39     case TCGETS:
  40       result = __tcgetattr (fd, (struct termios *) arg);
  41       break;
  42
  43     case TCSETS:
  44       result = tcsetattr (fd, TCSANOW, (struct termios *) arg);
  45       break;
  46
  47     case TCSETSW:
  48       result = tcsetattr (fd, TCSADRAIN, (struct termios *) arg);
  49       break;
  50
  51     case TCSETSF:
  52       result = tcsetattr (fd, TCSAFLUSH, (struct termios *) arg);
  53       break;
  54
  55     default:
  56       result = INLINE_SYSCALL (ioctl, 3, fd, request, arg);
  57       break;
  58     }
  59
  60   va_end (ap);
  61
  62   return result;
  63 }
  64 weak_alias (__ioctl, ioctl)