1/*-
2 * Copyright (c) 1991, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31
32__FBSDID("$FreeBSD$");
33
34#ifndef lint
35static const char sccsid[] = "@(#)wrterm.c	8.1 (Berkeley) 6/9/93";
36#endif
37
38#include <sys/types.h>
39
40#include <ctype.h>
41#include <err.h>
42#include <stdio.h>
43#include <string.h>
44
45#include "extern.h"
46
47/*
48 * Output termcap entry to stdout, quoting characters that would give the
49 * shell problems and omitting empty fields.
50 */
51void
52wrtermcap(char *bp)
53{
54	register int ch;
55	register char *p;
56	char *t, *sep;
57
58	/* Find the end of the terminal names. */
59	if ((t = strchr(bp, ':')) == NULL)
60		errx(1, "termcap names not colon terminated");
61	*t++ = '\0';
62
63	/* Output terminal names that don't have whitespace. */
64	sep = strdup("");
65	while ((p = strsep(&bp, "|")) != NULL)
66		if (*p != '\0' && strpbrk(p, " \t") == NULL) {
67			(void)printf("%s%s", sep, p);
68			sep = strdup("|");
69		}
70	(void)putchar(':');
71
72	/*
73	 * Output fields, transforming any dangerous characters.  Skip
74	 * empty fields or fields containing only whitespace.
75	 */
76	while ((p = strsep(&t, ":")) != NULL) {
77		while ((ch = *p) != '\0' && isspace(ch))
78			++p;
79		if (ch == '\0')
80			continue;
81		while ((ch = *p++) != '\0')
82			switch(ch) {
83			case '\033':
84				(void)printf("\\E");
85			case  ' ':		/* No spaces. */
86				(void)printf("\\040");
87				break;
88			case '!':		/* No csh history chars. */
89				(void)printf("\\041");
90				break;
91			case ',':		/* No csh history chars. */
92				(void)printf("\\054");
93				break;
94			case '"':		/* No quotes. */
95				(void)printf("\\042");
96				break;
97			case '\'':		/* No quotes. */
98				(void)printf("\\047");
99				break;
100			case '`':		/* No quotes. */
101				(void)printf("\\140");
102				break;
103			case '\\':		/* Anything following is OK. */
104			case '^':
105				(void)putchar(ch);
106				if ((ch = *p++) == '\0')
107					break;
108				/* FALLTHROUGH */
109			default:
110				(void)putchar(ch);
111		}
112		(void)putchar(':');
113	}
114}
115