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