sys/arch/hp700/stand/boot/tgets.c

   1 /*      $NetBSD: tgets.c,v 1.5 2005/12/11 12:17:24 christos Exp $       */
   2
   3 /*-
   4  * Copyright (c) 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  *      @(#)gets.c      8.1 (Berkeley) 6/11/93
  32  */
  33
  34 #include <sys/types.h>
  35 #include <arch/hp700/stand/common/libsa.h>
  36 #include <lib/libsa/net.h>
  37
  38 int tgets(char *);
  39
  40 int
  41 tgets(char *buf)
  42 {
  43         int c, i;
  44         char *p, *lp = buf;
  45         satime_t seconds1, seconds2;
  46
  47         seconds1 = getsecs();
  48         for (i = 10; i > 0; ) {
  49                 c = tgetchar() & 0177;
  50                 if (c) {
  51                         for (;;) {
  52                                 switch (c) {
  53                                 case '\n':
  54                                 case '\r':
  55                                         *lp = '\0';
  56                                         putchar('\n');
  57                                         return (1);
  58
  59                                 case '\b':
  60                                 case '\177':
  61                                         if (lp > buf) {
  62                                                 lp--;
  63                                                 putchar('\b');
  64                                                 putchar(' ');
  65                                                 putchar('\b');
  66                                         }
  67                                         break;
  68
  69                                 case '#':
  70                                         if (lp > buf)
  71                                                 --lp;
  72                                         break;
  73
  74                                 case 'r'&037:
  75                                         putchar('\n');
  76                                         for (p = buf; p < lp; ++p)
  77                                                 putchar(*p);
  78                                         break;
  79
  80                                 case '@':
  81                                 case 'u'&037:
  82                                 case 'w'&037:
  83                                         lp = buf;
  84                                         putchar('\n');
  85                                         break;
  86
  87                                 default:
  88                                         *lp++ = c;
  89                                         putchar(c);
  90                                 }
  91                                 c = getchar() & 0177;
  92                         }
  93                 }
  94                 if ((seconds2 = getsecs()) != seconds1) {
  95                         seconds1 = seconds2;
  96                         i--;
  97                 }
  98         }
  99         return (0);
 100 }