get.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/*
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * CDDL HEADER START
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk *
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * The contents of this file are subject to the terms of the
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * Common Development and Distribution License, Version 1.0 only
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * (the "License"). You may not use this file except in compliance
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * with the License.
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk *
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * or http://www.opensolaris.org/os/licensing.
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * See the License for the specific language governing permissions
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * and limitations under the License.
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk *
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * When distributing Covered Code, include this CDDL HEADER in each
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * If applicable, add the following below this CDDL HEADER, with the
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * fields enclosed by brackets "[]" replaced with your own identifying
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * information: Portions Copyright [yyyy] [name of copyright owner]
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk *
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * CDDL HEADER END
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/*
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * Use is subject to license terms.
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#pragma ident "%Z%%M% %I% %E% SMI"
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#include <sys/types.h>
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#include <sys/promif.h>
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpkint
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpkgetchar(void)
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk{
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk register int c;
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk while ((c = prom_mayget()) == -1)
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk ;
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk if (c == '\r') {
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk prom_putchar(c);
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk c = '\n';
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk }
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk if (c == 0177 || c == '\b') {
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk prom_putchar('\b');
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk prom_putchar(' ');
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk c = '\b';
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk }
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk prom_putchar(c);
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk return (c);
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk}
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpkint
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpkcons_gets(char *buf, int n)
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk{
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk char *lp;
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk char *limit;
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk int c;
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk lp = buf;
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk limit = &buf[n - 1];
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk for (;;) {
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk c = getchar() & 0177;
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk switch (c) {
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk case '\n':
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk case '\r':
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk *lp = '\0';
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk return (0);
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk case '\b':
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk if (lp > buf)
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk lp--;
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk continue;
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk case 'u'&037: /* ^U */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk lp = buf;
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk prom_putchar('\r');
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk prom_putchar('\n');
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk continue;
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk default:
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk if (lp < limit)
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk *lp++ = (char)c;
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk else
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk prom_putchar('\a'); /* bell */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk }
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk }
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk}
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk