wrterm.c revision 50477
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 35#if 0 36static char sccsid[] = "@(#)wrterm.c 8.1 (Berkeley) 6/9/93"; 37#endif 38static const char rcsid[] = 39 "$FreeBSD: head/usr.bin/tset/wrterm.c 50477 1999-08-28 01:08:13Z peter $"; 40#endif /* not lint */ 41 42#include <sys/types.h> 43#include <ctype.h> 44#include <err.h> 45#include <stdio.h> 46#include <string.h> 47#include "extern.h" 48 49/* 50 * Output termcap entry to stdout, quoting characters that would give the 51 * shell problems and omitting empty fields. 52 */ 53void 54wrtermcap(bp) 55 char *bp; 56{ 57 register int ch; 58 register char *p; 59 char *t, *sep; 60 61 /* Find the end of the terminal names. */ 62 if ((t = index(bp, ':')) == NULL) 63 errx(1, "termcap names not colon terminated"); 64 *t++ = '\0'; 65 66 /* Output terminal names that don't have whitespace. */ 67 sep = ""; 68 while ((p = strsep(&bp, "|")) != NULL) 69 if (*p != '\0' && strpbrk(p, " \t") == NULL) { 70 (void)printf("%s%s", sep, p); 71 sep = "|"; 72 } 73 (void)putchar(':'); 74 75 /* 76 * Output fields, transforming any dangerous characters. Skip 77 * empty fields or fields containing only whitespace. 78 */ 79 while ((p = strsep(&t, ":")) != NULL) { 80 while ((ch = *p) != '\0' && isspace(ch)) 81 ++p; 82 if (ch == '\0') 83 continue; 84 while ((ch = *p++) != '\0') 85 switch(ch) { 86 case '\033': 87 (void)printf("\\E"); 88 case ' ': /* No spaces. */ 89 (void)printf("\\040"); 90 break; 91 case '!': /* No csh history chars. */ 92 (void)printf("\\041"); 93 break; 94 case ',': /* No csh history chars. */ 95 (void)printf("\\054"); 96 break; 97 case '"': /* No quotes. */ 98 (void)printf("\\042"); 99 break; 100 case '\'': /* No quotes. */ 101 (void)printf("\\047"); 102 break; 103 case '`': /* No quotes. */ 104 (void)printf("\\140"); 105 break; 106 case '\\': /* Anything following is OK. */ 107 case '^': 108 (void)putchar(ch); 109 if ((ch = *p++) == '\0') 110 break; 111 /* FALLTHROUGH */ 112 default: 113 (void)putchar(ch); 114 } 115 (void)putchar(':'); 116 } 117} 118