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. 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 * @(#)wrterm.c 8.1 (Berkeley) 6/9/93 30 * $FreeBSD: src/usr.bin/tset/wrterm.c,v 1.3 1999/08/28 01:06:59 peter Exp $ 31 */ 32 33 #include <sys/types.h> 34 #include <ctype.h> 35 #include <err.h> 36 #include <stdio.h> 37 #include <string.h> 38 #include "extern.h" 39 40 /* 41 * Output termcap entry to stdout, quoting characters that would give the 42 * shell problems and omitting empty fields. 43 */ 44 void 45 wrtermcap(char *bp) 46 { 47 int ch; 48 char *p; 49 char *t, *sep; 50 51 /* Find the end of the terminal names. */ 52 if ((t = strchr(bp, ':')) == NULL) 53 errx(1, "termcap names not colon terminated"); 54 *t++ = '\0'; 55 56 /* Output terminal names that don't have whitespace. */ 57 sep = strdup(""); 58 while ((p = strsep(&bp, "|")) != NULL) 59 if (*p != '\0' && strpbrk(p, " \t") == NULL) { 60 (void)printf("%s%s", sep, p); 61 sep = strdup("|"); 62 } 63 (void)putchar(':'); 64 65 /* 66 * Output fields, transforming any dangerous characters. Skip 67 * empty fields or fields containing only whitespace. 68 */ 69 while ((p = strsep(&t, ":")) != NULL) { 70 while ((ch = *p) != '\0' && isspace(ch)) 71 ++p; 72 if (ch == '\0') 73 continue; 74 while ((ch = *p++) != '\0') 75 switch(ch) { 76 case '\033': 77 (void)printf("\\E"); 78 /* FALLTHROUGH */ 79 case ' ': /* No spaces. */ 80 (void)printf("\\040"); 81 break; 82 case '!': /* No csh history chars. */ 83 (void)printf("\\041"); 84 break; 85 case ',': /* No csh history chars. */ 86 (void)printf("\\054"); 87 break; 88 case '"': /* No quotes. */ 89 (void)printf("\\042"); 90 break; 91 case '\'': /* No quotes. */ 92 (void)printf("\\047"); 93 break; 94 case '`': /* No quotes. */ 95 (void)printf("\\140"); 96 break; 97 case '\\': /* Anything following is OK. */ 98 case '^': 99 (void)putchar(ch); 100 if ((ch = *p++) == '\0') 101 break; 102 /* FALLTHROUGH */ 103 default: 104 (void)putchar(ch); 105 } 106 (void)putchar(':'); 107 } 108 } 109