wrterm.c revision 1591 
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 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35static char sccsid[] = "@(#)wrterm.c	8.1 (Berkeley) 6/9/93";
36#endif /* not lint */
37
38#include <sys/types.h>
39#include <stdio.h>
40#include <ctype.h>
41#include <string.h>
42#include "extern.h"
43
44/*
45 * Output termcap entry to stdout, quoting characters that would give the
46 * shell problems and omitting empty fields.
47 */
48void
49wrtermcap(bp)
50	char *bp;
51{
52	register int ch;
53	register char *p;
54	char *t, *sep;
55
56	/* Find the end of the terminal names. */
57	if ((t = index(bp, ':')) == NULL)
58		err("termcap names not colon terminated");
59	*t++ = '\0';
60
61	/* Output terminal names that don't have whitespace. */
62	sep = "";
63	while ((p = strsep(&bp, "|")) != NULL)
64		if (*p != '\0' && strpbrk(p, " \t") == NULL) {
65			(void)printf("%s%s", sep, p);
66			sep = "|";
67		}
68	(void)putchar(':');
69
70	/*
71	 * Output fields, transforming any dangerous characters.  Skip
72	 * empty fields or fields containing only whitespace.
73	 */
74	while ((p = strsep(&t, ":")) != NULL) {
75		while ((ch = *p) != '\0' && isspace(ch))
76			++p;
77		if (ch == '\0')
78			continue;
79		while ((ch = *p++) != '\0')
80			switch(ch) {
81			case '\033':
82				(void)printf("\\E");
83			case  ' ':		/* No spaces. */
84				(void)printf("\\040");
85				break;
86			case '!':		/* No csh history chars. */
87				(void)printf("\\041");
88				break;
89			case ',':		/* No csh history chars. */
90				(void)printf("\\054");
91				break;
92			case '"':		/* No quotes. */
93				(void)printf("\\042");
94				break;
95			case '\'':		/* No quotes. */
96				(void)printf("\\047");
97				break;
98			case '`':		/* No quotes. */
99				(void)printf("\\140");
100				break;
101			case '\\':		/* Anything following is OK. */
102			case '^':
103				(void)putchar(ch);
104				if ((ch = *p++) == '\0')
105					break;
106				/* FALLTHROUGH */
107			default:
108				(void)putchar(ch);
109		}
110		(void)putchar(':');
111	}
112}
113