sysdeps/unix/sysv/aix/tcsetattr.c

   1 /* Copyright (C) 1992,1995,1996,1997,2000,2002 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, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <errno.h>
  20 #include <stddef.h>
  21 #include <termios.h>
  22 #include <sys/ioctl.h>
  23
  24 #include <sysv_termio.h>
  25
  26
  27 const speed_t __unix_speeds[] =
  28   {
  29     0,
  30     50,
  31     75,
  32     110,
  33     134,
  34     150,
  35     200,
  36     300,
  37     600,
  38     1200,
  39     1800,
  40     2400,
  41     4800,
  42     9600,
  43     19200,
  44     38400,
  45   };
  46
  47
  48 /* Set the state of FD to *TERMIOS_P.  */
  49 int
  50 tcsetattr (fd, optional_actions, termios_p)
  51      int fd;
  52      int optional_actions;
  53      const struct termios *termios_p;
  54 {
  55   struct __sysv_termio buf;
  56   int ioctl_function;
  57
  58   if (termios_p == NULL)
  59     {
  60       __set_errno (EINVAL);
  61       return -1;
  62     }
  63   switch (optional_actions)
  64     {
  65     case TCSANOW:
  66       ioctl_function = _TCSETA;
  67       break;
  68     case TCSADRAIN:
  69       ioctl_function = _TCSETAW;
  70       break;
  71     case TCSAFLUSH:
  72       ioctl_function = _TCSETAF;
  73       break;
  74     default:
  75       __set_errno (EINVAL);
  76       return -1;
  77     }
  78
  79   if ((termios_p->c_cflag & 0x000f0000) >> 16 != (termios_p->c_cflag & 0xf))
  80     {
  81       __set_errno (EINVAL);
  82       return -1;
  83     }
  84
  85   buf.c_iflag = 0;
  86   if (termios_p->c_iflag & IGNBRK)
  87     buf.c_iflag |= _SYSV_IGNBRK;
  88   if (termios_p->c_iflag & BRKINT)
  89     buf.c_iflag |= _SYSV_BRKINT;
  90   if (termios_p->c_iflag & IGNPAR)
  91     buf.c_iflag |= _SYSV_IGNPAR;
  92   if (termios_p->c_iflag & PARMRK)
  93     buf.c_iflag |= _SYSV_PARMRK;
  94   if (termios_p->c_iflag & INPCK)
  95     buf.c_iflag |= _SYSV_INPCK;
  96   if (termios_p->c_iflag & ISTRIP)
  97     buf.c_iflag |= _SYSV_ISTRIP;
  98   if (termios_p->c_iflag & INLCR)
  99     buf.c_iflag |= _SYSV_INLCR;
 100   if (termios_p->c_iflag & IGNCR)
 101     buf.c_iflag |= _SYSV_IGNCR;
 102   if (termios_p->c_iflag & ICRNL)
 103     buf.c_iflag |= _SYSV_ICRNL;
 104   if (termios_p->c_iflag & IXON)
 105     buf.c_iflag |= _SYSV_IXON;
 106   if (termios_p->c_iflag & IXOFF)
 107     buf.c_iflag |= _SYSV_IXOFF;
 108   if (termios_p->c_iflag & IXANY)
 109     buf.c_iflag |= _SYSV_IXANY;
 110   if (termios_p->c_iflag & IMAXBEL)
 111     buf.c_iflag |= _SYSV_IMAXBEL;
 112
 113   buf.c_oflag = 0;
 114   if (termios_p->c_oflag & OPOST)
 115     buf.c_oflag |= _SYSV_OPOST;
 116   if (termios_p->c_oflag & ONLCR)
 117     buf.c_oflag |= _SYSV_ONLCR;
 118
 119   /* So far, buf.c_cflag contains the speed in CBAUD.  */
 120   if (termios_p->c_cflag & CSTOPB)
 121     buf.c_cflag |= _SYSV_CSTOPB;
 122   if (termios_p->c_cflag & CREAD)
 123     buf.c_cflag |= _SYSV_CREAD;
 124   if (termios_p->c_cflag & PARENB)
 125     buf.c_cflag |= _SYSV_PARENB;
 126   if (termios_p->c_cflag & PARODD)
 127     buf.c_cflag |= _SYSV_PARODD;
 128   if (termios_p->c_cflag & HUPCL)
 129     buf.c_cflag |= _SYSV_HUPCL;
 130   if (termios_p->c_cflag & CLOCAL)
 131     buf.c_cflag |= _SYSV_CLOCAL;
 132   switch (termios_p->c_cflag & CSIZE)
 133     {
 134     case CS5:
 135       buf.c_cflag |= _SYSV_CS5;
 136       break;
 137     case CS6:
 138       buf.c_cflag |= _SYSV_CS6;
 139       break;
 140     case CS7:
 141       buf.c_cflag |= _SYSV_CS7;
 142       break;
 143     case CS8:
 144       buf.c_cflag |= _SYSV_CS8;
 145       break;
 146     }
 147
 148   buf.c_lflag = 0;
 149   if (termios_p->c_lflag & ISIG)
 150     buf.c_lflag |= _SYSV_ISIG;
 151   if (termios_p->c_lflag & ICANON)
 152     buf.c_lflag |= _SYSV_ICANON;
 153   if (termios_p->c_lflag & ECHO)
 154     buf.c_lflag |= _SYSV_ECHO;
 155   if (termios_p->c_lflag & ECHOE)
 156     buf.c_lflag |= _SYSV_ECHOE;
 157   if (termios_p->c_lflag & ECHOK)
 158     buf.c_lflag |= _SYSV_ECHOK;
 159   if (termios_p->c_lflag & ECHONL)
 160     buf.c_lflag |= _SYSV_ECHONL;
 161   if (termios_p->c_lflag & NOFLSH)
 162     buf.c_lflag |= _SYSV_NOFLSH;
 163   if (termios_p->c_lflag & TOSTOP)
 164     buf.c_lflag |= _SYSV_TOSTOP;
 165   if (termios_p->c_lflag & ECHOCTL)
 166     buf.c_lflag |= _SYSV_ECHOCTL;
 167   if (termios_p->c_lflag & ECHOPRT)
 168     buf.c_lflag |= _SYSV_ECHOPRT;
 169   if (termios_p->c_lflag & ECHOKE)
 170     buf.c_lflag |= _SYSV_ECHOKE;
 171   if (termios_p->c_lflag & FLUSHO)
 172     buf.c_lflag |= _SYSV_FLUSHO;
 173   if (termios_p->c_lflag & PENDIN)
 174     buf.c_lflag |= _SYSV_PENDIN;
 175   if (termios_p->c_lflag & IEXTEN)
 176     buf.c_lflag |= _SYSV_IEXTEN;
 177
 178   buf.c_cc[_SYSV_VINTR] = termios_p->c_cc[VINTR];
 179   buf.c_cc[_SYSV_VQUIT] = termios_p->c_cc[VQUIT];
 180   buf.c_cc[_SYSV_VERASE] = termios_p->c_cc[VERASE];
 181   buf.c_cc[_SYSV_VKILL] = termios_p->c_cc[VKILL];
 182   if (buf.c_lflag & _SYSV_ICANON)
 183     {
 184       buf.c_cc[_SYSV_VEOF] = termios_p->c_cc[VEOF];
 185       buf.c_cc[_SYSV_VEOL] = termios_p->c_cc[VEOL];
 186     }
 187   else
 188     {
 189       buf.c_cc[_SYSV_VMIN] = termios_p->c_cc[VMIN];
 190       buf.c_cc[_SYSV_VTIME] = termios_p->c_cc[VTIME];
 191     }
 192   buf.c_cc[_SYSV_VEOL2] = termios_p->c_cc[VEOL2];
 193
 194   if (__ioctl (fd, ioctl_function, &buf) < 0)
 195     return -1;
 196   return 0;
 197 }
 198 libc_hidden_def (tcsetattr)