js/src/editline/sysunix.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
   2  *
   3  * ***** BEGIN LICENSE BLOCK *****
   4  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   5  *
   6  * The contents of this file are subject to the Mozilla Public License Version
   7  * 1.1 (the "License"); you may not use this file except in compliance with
   8  * the License. You may obtain a copy of the License at
   9  * http://www.mozilla.org/MPL/
  10  *
  11  * Software distributed under the License is distributed on an "AS IS" basis,
  12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  13  * for the specific language governing rights and limitations under the
  14  * License.
  15  *
  16  * The Original Code is Mozilla Communicator client code, released
  17  * March 31, 1998.
  18  *
  19  * The Initial Developer of the Original Code is
  20  * Simmule Turner and Rich Salz.
  21  * Portions created by the Initial Developer are Copyright (C) 1998
  22  * the Initial Developer. All Rights Reserved.
  23  *
  24  * Contributor(s):
  25  *
  26  * Alternatively, the contents of this file may be used under the terms of
  27  * either the GNU General Public License Version 2 or later (the "GPL"), or
  28  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  29  * in which case the provisions of the GPL or the LGPL are applicable instead
  30  * of those above. If you wish to allow use of your version of this file only
  31  * under the terms of either the GPL or the LGPL, and not to allow others to
  32  * use your version of this file under the terms of the MPL, indicate your
  33  * decision by deleting the provisions above and replace them with the notice
  34  * and other provisions required by the GPL or the LGPL. If you do not delete
  35  * the provisions above, a recipient may use your version of this file under
  36  * the terms of any one of the MPL, the GPL or the LGPL.
  37  *
  38  * ***** END LICENSE BLOCK ***** */
  39
  40 /*
  41  * Copyright 1992,1993 Simmule Turner and Rich Salz.  All rights reserved.
  42  *
  43  * This software is not subject to any license of the American Telephone
  44  * and Telegraph Company or of the Regents of the University of California.
  45  *
  46  * Permission is granted to anyone to use this software for any purpose on
  47  * any computer system, and to alter it and redistribute it freely, subject
  48  * to the following restrictions:
  49  * 1. The authors are not responsible for the consequences of use of this
  50  *    software, no matter how awful, even if they arise from flaws in it.
  51  * 2. The origin of this software must not be misrepresented, either by
  52  *    explicit claim or by omission.  Since few users ever read sources,
  53  *    credits must appear in the documentation.
  54  * 3. Altered versions must be plainly marked as such, and must not be
  55  *    misrepresented as being the original software.  Since few users
  56  *    ever read sources, credits must appear in the documentation.
  57  * 4. This notice may not be removed or altered.
  58  */
  59
  60
  61 /*
  62 **  Unix system-dependant routines for editline library.
  63 */
  64 #include "editline.h"
  65
  66 #if     defined(HAVE_TCGETATTR)
  67 #include <termios.h>
  68
  69 void
  70 rl_ttyset(Reset)
  71     int                         Reset;
  72 {
  73     static struct termios       old;
  74     struct termios              new;
  75
  76     if (Reset == 0) {
  77         (void)tcgetattr(0, &old);
  78         rl_erase = old.c_cc[VERASE];
  79         rl_kill = old.c_cc[VKILL];
  80         rl_eof = old.c_cc[VEOF];
  81         rl_intr = old.c_cc[VINTR];
  82         rl_quit = old.c_cc[VQUIT];
  83
  84         new = old;
  85         new.c_cc[VINTR] = -1;
  86         new.c_cc[VQUIT] = -1;
  87         new.c_lflag &= ~(ECHO | ICANON);
  88         new.c_iflag &= ~(ISTRIP | INPCK);
  89         new.c_cc[VMIN] = 1;
  90         new.c_cc[VTIME] = 0;
  91         (void)tcsetattr(0, TCSADRAIN, &new);
  92     }
  93     else
  94         (void)tcsetattr(0, TCSADRAIN, &old);
  95 }
  96
  97 #else
  98 #if     defined(HAVE_TERMIO)
  99 #include <termio.h>
 100
 101 void
 102 rl_ttyset(Reset)
 103     int                         Reset;
 104 {
 105     static struct termio        old;
 106     struct termio               new;
 107
 108     if (Reset == 0) {
 109         (void)ioctl(0, TCGETA, &old);
 110         rl_erase = old.c_cc[VERASE];
 111         rl_kill = old.c_cc[VKILL];
 112         rl_eof = old.c_cc[VEOF];
 113         rl_intr = old.c_cc[VINTR];
 114         rl_quit = old.c_cc[VQUIT];
 115
 116         new = old;
 117         new.c_cc[VINTR] = -1;
 118         new.c_cc[VQUIT] = -1;
 119         new.c_lflag &= ~(ECHO | ICANON);
 120         new.c_iflag &= ~(ISTRIP | INPCK);
 121         new.c_cc[VMIN] = 1;
 122         new.c_cc[VTIME] = 0;
 123         (void)ioctl(0, TCSETAW, &new);
 124     }
 125     else
 126         (void)ioctl(0, TCSETAW, &old);
 127 }
 128
 129 #else
 130 #include <sgtty.h>
 131
 132 void
 133 rl_ttyset(Reset)
 134     int                         Reset;
 135 {
 136     static struct sgttyb        old_sgttyb;
 137     static struct tchars        old_tchars;
 138     struct sgttyb               new_sgttyb;
 139     struct tchars               new_tchars;
 140
 141     if (Reset == 0) {
 142         (void)ioctl(0, TIOCGETP, &old_sgttyb);
 143         rl_erase = old_sgttyb.sg_erase;
 144         rl_kill = old_sgttyb.sg_kill;
 145
 146         (void)ioctl(0, TIOCGETC, &old_tchars);
 147         rl_eof = old_tchars.t_eofc;
 148         rl_intr = old_tchars.t_intrc;
 149         rl_quit = old_tchars.t_quitc;
 150
 151         new_sgttyb = old_sgttyb;
 152         new_sgttyb.sg_flags &= ~ECHO;
 153         new_sgttyb.sg_flags |= RAW;
 154 #if     defined(PASS8)
 155         new_sgttyb.sg_flags |= PASS8;
 156 #endif  /* defined(PASS8) */
 157         (void)ioctl(0, TIOCSETP, &new_sgttyb);
 158
 159         new_tchars = old_tchars;
 160         new_tchars.t_intrc = -1;
 161         new_tchars.t_quitc = -1;
 162         (void)ioctl(0, TIOCSETC, &new_tchars);
 163     }
 164     else {
 165         (void)ioctl(0, TIOCSETP, &old_sgttyb);
 166         (void)ioctl(0, TIOCSETC, &old_tchars);
 167     }
 168 }
 169 #endif  /* defined(HAVE_TERMIO) */
 170 #endif  /* defined(HAVE_TCGETATTR) */
 171
 172 void
 173 rl_add_slash(path, p)
 174     char        *path;
 175     char        *p;
 176 {
 177     struct stat Sb;
 178
 179     if (stat(path, &Sb) >= 0)
 180         (void)strcat(p, S_ISDIR(Sb.st_mode) ? "/" : " ");
 181 }
 182