sysdeps/unix/sysv/linux/powerpc/aix/tcsetattr.c

   1 /* Copyright (C) 2000 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 <termios.h>
  21 #include "aix-termios.h"
  22
  23 int
  24 tcsetattr (fd, optional_actions, linuxtermios_p)
  25      int fd;
  26      int optional_actions;
  27      const struct termios *linuxtermios_p;
  28 {
  29   struct aixtermios aixtermios;
  30   int result;
  31
  32   /* `optional_actions' does not have to be changed, AIX uses the
  33      same values as Linux.  */
  34
  35   aixtermios.c_cc[AIX_VINTR] = linuxtermios_p->c_cc[VINTR];
  36   aixtermios.c_cc[AIX_VQUIT] = linuxtermios_p->c_cc[VQUIT];
  37   aixtermios.c_cc[AIX_VERASE] = linuxtermios_p->c_cc[VERASE];
  38   aixtermios.c_cc[AIX_VKILL] = linuxtermios_p->c_cc[VKILL];
  39   aixtermios.c_cc[AIX_VEOF] = linuxtermios_p->c_cc[VEOF];
  40   // XXX VMIN has the same value as VEOF !?
  41   aixtermios.c_cc[AIX_VEOL] = linuxtermios_p->c_cc[VEOL];
  42   // XXX VTIME has the same value as VEOL !?
  43   aixtermios.c_cc[AIX_VEOL2] = linuxtermios_p->c_cc[VEOL2];
  44   aixtermios.c_cc[AIX_VSTART] = linuxtermios_p->c_cc[VSTART];
  45   aixtermios.c_cc[AIX_VSTOP] = linuxtermios_p->c_cc[VSTOP];
  46   aixtermios.c_cc[AIX_VSUSP] = linuxtermios_p->c_cc[VSUSP];
  47   aixtermios.c_cc[AIX_VDSUSP] = 0; // XXX No Linux equivalent !?
  48   aixtermios.c_cc[AIX_VREPRINT] = linuxtermios_p->c_cc[VREPRINT];
  49   aixtermios.c_cc[AIX_VDISCARD] = linuxtermios_p->c_cc[VDISCARD];
  50   aixtermios.c_cc[AIX_VWERASE] = linuxtermios_p->c_cc[VWERASE];
  51   aixtermios.c_cc[AIX_VLNEXT] = linuxtermios_p->c_cc[VLNEXT];
  52
  53   /* AIX has not all the speeds (the high one) Linux supports.  The
  54      symbol names and values used for the speeds are fortunately the
  55      same.  */
  56   if ((linuxtermios_p->c_cflag & CBAUD) > B38400)
  57     {
  58       __set_errno (EINVAL);
  59       return -1;
  60     }
  61
  62   aixtermios.c_c_flag = linuxtermios_p->c_cflag & CBAUD;
  63
  64   /* Only the IUCLC, IXANY, and IMAXBEL values are different in the
  65      c_iflag member.  */
  66   aixtermios.c_iflag = linuxtermios_p->c_iflag & 0x7ff;
  67   if (linuxtermios_p->c_iflag & IXANY)
  68     aixtermios.c_iflag |= AIX_IXANY;
  69   if (linuxtermios_p->c_iflag & IUCLC)
  70     aixtermios.c_iflag |= AIX_IUCLC;
  71   if (linuxtermios_p->c_iflag & IMAXBEL)
  72     aixtermios.c_iflag |= AIX_IMAXBEL;
  73
  74   /* Many of the c_oflag files differ.  Bummer.  */
  75   aixtermios.c_oflag = (linuxtermios_p->c_oflag
  76                         & (OPOST | OCRNL | ONOCR | ONLRET | OFILL
  77                            | OFDEL | TABDLY));
  78   if (linuxtermios_p->c_oflag & OLCUC)
  79     aixtermios.c_oflag |= AIX_OLCUC;
  80   if (linuxtermios_p->c_oflag & ONLCR)
  81     aixtermios.c_oflag |= AIX_ONLCR;
  82   if (linuxtermios_p->c_oflag & NLDLY)
  83     {
  84       if ((linuxtermios_p->c_oflag & NLDLY) >= NL2)
  85         {
  86           __set_errno (EINVAL);
  87           return -1;
  88         }
  89
  90       if (linuxtermios_p->c_oflag & NLDLY)
  91         aixtermios.c_oflag |= AIX_NL1;
  92     }
  93   if (linuxtermios_p->c_oflag & TABDLY)
  94     {
  95 #define offset 2
  96 #if TAB1 >> offset != AIX_TAB1 || TAB3 >> offset != AIX_TAB3
  97 # error "Check the offset"
  98 #endif
  99       aixtermios.c_oflag |= (linuxtermios_p->c_oflag >> offset) & AIX_TABDLY;
 100 #undef offset
 101     }
 102   if (linuxtermios_p->c_oflag & FFDLY)
 103     aixtermios.c_oflag |= AIX_FF1;
 104   if (linuxtermios_p->c_oflag & BSDLY)
 105     aixtermios.c_oflag |= AIX_BS1;
 106   if (linuxtermios_p->c_oflag & VTDLY)
 107     aixtermios.c_oflag |= AIX_VT1;
 108
 109   /* A lot of the c_cflag member is also different.  */
 110   if (linuxtermios_p->c_cflag & CSIZE)
 111     {
 112 #define offset 4
 113 #if CSIZE >> offset != AIX_CSIZE
 114 # error "Check the offset"
 115 #endif
 116       aixtermios.c_cflag |= (linuxtermios_p->c_cflag >> offset) & AIX_CSIZE;
 117 #undef offset
 118     }
 119
 120   if (linuxtermios_p->c_cflag & STOPB)
 121     aixtermios.c_cflag |= AIX_STOPB;
 122   if (linuxtermios_p->c_cflag & CREAD)
 123     aixtermios.c_cflag |= AIX_CREAD;
 124   if (linuxtermios_p->c_cflag & PARENB)
 125     aixtermios.c_cflag |= AIX_PARENB;
 126   if (linuxtermios_p->c_cflag & PARODD)
 127     aixtermios.c_cflag |= AIX_PARODD;
 128   if (linuxtermios_p->c_cflag & HUPCL)
 129     aixtermios.c_cflag |= AIX_HUPCL;
 130   if (linuxtermios_p->c_cflag & CLOCAL)
 131     aixtermios.c_cflag |= AIX_CLOCAL;
 132
 133   /* The c_lflag is information is also different.  */
 134   aixtermios.c_lflag = 0;
 135   if (linuxtermios_p->c_lflag & ISIG)
 136     aixtermios.c_lflag |= AIX_ISIG;
 137   if (linuxtermios_p->c_lflag & ICANON)
 138     aixtermios.c_lflag |= AIX_ICANON;
 139   if (linuxtermios_p->c_lflag & XCASE)
 140     aixtermios.c_lflag |= AIX_XCASE;
 141   if (linuxtermios_p->c_lflag & ECHO)
 142     aixtermios.c_lflag |= AIX_ECHO;
 143   if (linuxtermios_p->c_lflag & ECHOE)
 144     aixtermios.c_lflag |= AIX_ECHOE;
 145   if (linuxtermios_p->c_lflag & ECHOK)
 146     aixtermios.c_lflag |= AIX_ECHOK;
 147   if (linuxtermios_p->c_lflag & ECHONL)
 148     aixtermios.c_lflag |= AIX_ECHONL;
 149   if (linuxtermios_p->c_lflag & NOFLSH)
 150     aixtermios.c_lflag |= AIX_NOFLSH;
 151   if (linuxtermios_p->c_lflag & TOSTOP)
 152     aixtermios.c_lflag |= AIX_TOSTOP;
 153   if (linuxtermios_p->c_lflag & ECHOCTL)
 154     aixtermios.c_lflag |= AIX_ECHOCTL;
 155   if (linuxtermios_p->c_lflag & ECHOPRT)
 156     aixtermios.c_lflag |= AIX_ECHOPRT;
 157   if (linuxtermios_p->c_lflag & ECHOKE)
 158     aixtermios.c_lflag |= AIX_ECHOKE;
 159   if (linuxtermios_p->c_lflag & FLUSHO)
 160     aixtermios.c_lflag |= AIX_FLUSHO;
 161   if (linuxtermios_p->c_lflag & PENDIN)
 162     aixtermios.c_lflag |= AIX_PENDIN;
 163   if (linuxtermios_p->c_lflag & IEXTEN)
 164     aixtermios.c_lflag |= AIX_IEXTEN;
 165
 166   result = /* XXX syscall */;
 167
 168   // Convert error here or in syscall.
 169
 170   return result;
 171 }