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 * @(#)wrterm.c 8.1 (Berkeley) 6/9/93 34 * $FreeBSD: src/usr.bin/tset/wrterm.c,v 1.3 1999/08/28 01:06:59 peter Exp $ 35 * $DragonFly: src/usr.bin/tset/wrterm.c,v 1.4 2004/08/30 18:06:50 eirikn Exp $ 36 */ 37 38 #include <sys/types.h> 39 #include <ctype.h> 40 #include <err.h> 41 #include <stdio.h> 42 #include <string.h> 43 #include "extern.h" 44 45 /* 46 * Output termcap entry to stdout, quoting characters that would give the 47 * shell problems and omitting empty fields. 48 */ 49 void 50 wrtermcap(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 = strchr(bp, ':')) == NULL) 58 errx(1, "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