1/* $NetBSD: wrterm.c,v 1.8 2009/04/14 05:45:23 lukem Exp $ */ 2 3/*- 4 * Copyright (c) 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32#include <sys/cdefs.h> 33#ifndef lint 34#if 0 35static char sccsid[] = "@(#)wrterm.c 8.1 (Berkeley) 6/9/93"; 36#endif 37__RCSID("$NetBSD: wrterm.c,v 1.8 2009/04/14 05:45:23 lukem Exp $"); 38#endif /* not lint */ 39 40#include <sys/types.h> 41#include <ctype.h> 42#include <err.h> 43#include <stdio.h> 44#include <string.h> 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 int ch; 55 char *p; 56 char *t; 57 const char *sep; 58 59 /* Find the end of the terminal names. */ 60 if ((t = strchr(bp, ':')) == NULL) 61 errx(1, "termcap names not colon terminated"); 62 *t++ = '\0'; 63 64 /* Output terminal names that don't have whitespace or quotes. */ 65 sep = ""; 66 while ((p = strsep(&bp, "|")) != NULL) 67 if (*p != '\0' && strpbrk(p, " \t'\"") == NULL) { 68 (void)printf("%s%s", sep, p); 69 sep = "|"; 70 } 71 (void)putchar(':'); 72 73 /* 74 * Output fields, transforming any dangerous characters. Skip 75 * empty fields or fields containing only whitespace. 76 */ 77 while ((p = strsep(&t, ":")) != NULL) { 78 while ((ch = *p) != '\0' && isspace(ch)) 79 ++p; 80 if (ch == '\0') 81 continue; 82 while ((ch = *p++) != '\0') 83 switch(ch) { 84 case '\033': 85 (void)printf("\\E"); 86 case ' ': /* No spaces. */ 87 (void)printf("\\040"); 88 break; 89 case '!': /* No csh history chars. */ 90 (void)printf("\\041"); 91 break; 92 case ',': /* No csh history chars. */ 93 (void)printf("\\054"); 94 break; 95 case '"': /* No quotes. */ 96 (void)printf("\\042"); 97 break; 98 case '\'': /* No quotes. */ 99 (void)printf("\\047"); 100 break; 101 case '`': /* No quotes. */ 102 (void)printf("\\140"); 103 break; 104 case '\\': /* Anything following is OK. */ 105 case '^': 106 (void)putchar(ch); 107 if ((ch = *p++) == '\0') 108 break; 109 /* FALLTHROUGH */ 110 default: 111 (void)putchar(ch); 112 } 113 (void)putchar(':'); 114 } 115} 116