1 /* $NetBSD: wwgets.c,v 1.9 2003/08/07 11:17:40 agc Exp $ */
4 * Copyright (c) 1983, 1993
5 * The Regents of the University of California. All rights reserved.
7 * This code is derived from software contributed to Berkeley by
8 * Edward Wang at The University of California, Berkeley.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #include <sys/cdefs.h>
38 static char sccsid[] = "@(#)wwgets.c 8.1 (Berkeley) 6/6/93";
40 __RCSID("$NetBSD: wwgets.c,v 1.9 2003/08/07 11:17:40 agc Exp $");
48 static void rub(int, struct ww *);
51 wwgets(char *buf, int n, struct ww *w)
55 int uc = ISSET(w->ww_wflags, WWW_UNCTRL);
57 CLR(w->ww_wflags, WWW_UNCTRL);
60 while ((c = wwgetc()) < 0)
63 if (c == wwoldtty.ww_sgttyb.sg_erase)
65 if (c == wwoldtty.ww_termios.c_cc[VERASE])
72 if (c == wwoldtty.ww_sgttyb.sg_kill)
74 if (c == wwoldtty.ww_termios.c_cc[VKILL])
81 if (c == wwoldtty.ww_ltchars.t_werasc)
83 if (c == wwoldtty.ww_termios.c_cc[VWERASE])
86 while (--p >= buf && (*p == ' ' || *p == '\t'))
88 while (p >= buf && *p != ' ' && *p != '\t')
91 } else if (c == '\r' || c == '\n') {
97 wwputs(unctrl(*p++ = c), w);
101 SET(w->ww_wflags, uc);
105 rub(int c, struct ww *w)
109 for (i = strlen(unctrl(c)); --i >= 0;)
110 (void) wwwrite(w, "\b \b", 3);