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Annotation of sys/arch/hp300/stand/uboot/tgets.c, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: tgets.c,v 1.3 2006/08/17 06:31:10 miod Exp $  */
                      2: /*     $NetBSD: tgets.c,v 1.4 1994/10/26 07:28:05 cgd Exp $    */
                      3:
                      4: /*-
                      5:  * Copyright (c) 1993
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. Neither the name of the University nor the names of its contributors
                     17:  *    may be used to endorse or promote products derived from this software
                     18:  *    without specific prior written permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  *
                     32:  *     @(#)gets.c      8.1 (Berkeley) 6/11/93
                     33:  */
                     34:
                     35: #include <lib/libsa/stand.h>
                     36:
                     37: #include "samachdep.h"
                     38:
                     39: int    tgetchar(void);
                     40:
                     41: int
                     42: tgetchar()
                     43: {
                     44:        int c;
                     45:
                     46:        if ((c = cngetc()) == 0)
                     47:                return(0);
                     48:
                     49:        if (c == '\r')
                     50:                c = '\n';
                     51:        else if (c == ('c'&037)) {
                     52:                panic("^C");
                     53:                /* NOTREACHED */
                     54:        }
                     55:        return(c);
                     56: }
                     57:
                     58: int
                     59: tgets(char *buf)
                     60: {
                     61:        int c;
                     62:        int i;
                     63:        char *lp = buf;
                     64:
                     65:        for (i = 240000; i > 0; i--) {
                     66:                c = tgetchar() & 0177;
                     67:                if (c) {
                     68:                        for (;;) {
                     69:                                switch (c) {
                     70:                                case '\n':
                     71:                                case '\r':
                     72:                                        *lp = '\0';
                     73:                                        putchar('\n');
                     74:                                        return (1);
                     75:                                case '\b':
                     76:                                case '\177':
                     77:                                        if (lp > buf) {
                     78:                                                lp--;
                     79:                                                putchar('\b');
                     80:                                                putchar(' ');
                     81:                                                putchar('\b');
                     82:                                        }
                     83:                                        break;
                     84:                                case '#':
                     85:                                        if (lp > buf)
                     86:                                                --lp;
                     87:                                        break;
                     88:                                case 'r' & 037:
                     89:                                {
                     90:                                        char *p;
                     91:                                        putchar('\n');
                     92:                                        for (p = buf; p < lp; ++p)
                     93:                                                putchar(*p);
                     94:                                }
                     95:                                        break;
                     96:                                case '@':
                     97:                                case 'u' & 037:
                     98:                                case 'w' & 037:
                     99:                                        lp = buf;
                    100:                                        putchar('\n');
                    101:                                        break;
                    102:                                default:
                    103:                                        *lp++ = c;
                    104:                                        putchar(c);
                    105:                                }
                    106:                                c = getchar() & 0177;
                    107:                        }
                    108:                }
                    109:        }
                    110:        return (0);
                    111: }