text: /*-
   * SPDX-License-Identifier: BSD-3-Clause
   *
   * Copyright (c) 1991, 1993
   *	The Regents of the University of California.  All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   */
  
  #include <sys/cdefs.h>
  
  __FBSDID("$FreeBSD$");
  
  #ifndef lint
  static const char sccsid[] = "@(#)wrterm.c	8.1 (Berkeley) 6/9/93";
  #endif
  
  #include <sys/types.h>
  
  #include <ctype.h>
  #include <err.h>
  #include <stdio.h>
  #include <string.h>
  
  #include "extern.h"
  
  /*
   * Output termcap entry to stdout, quoting characters that would give the
   * shell problems and omitting empty fields.
   */
  void
  wrtermcap(char *bp)
  {
  	register int ch;
  	register char *p;
  	char *t, *sep;
  
  	/* Find the end of the terminal names. */
  	if ((t = strchr(bp, ':')) == NULL)
  		errx(1, "termcap names not colon terminated");
  	*t++ = '\0';
  
  	/* Output terminal names that don't have whitespace. */
  	sep = strdup("");
  	while ((p = strsep(&bp, "|")) != NULL)
  		if (*p != '\0' && strpbrk(p, " \t") == NULL) {
  			(void)printf("%s%s", sep, p);
  			sep = strdup("|");
  		}
  	(void)putchar(':');
  
  	/*
  	 * Output fields, transforming any dangerous characters.  Skip
  	 * empty fields or fields containing only whitespace.
  	 */
  	while ((p = strsep(&t, ":")) != NULL) {
  		while ((ch = *p) != '\0' && isspace(ch))
  			++p;
  		if (ch == '\0')
  			continue;
  		while ((ch = *p++) != '\0')
  			switch(ch) {
  			case '\033':
  				(void)printf("\\E");
  			case  ' ':		/* No spaces. */
  				(void)printf("\\040");
  				break;
  			case '!':		/* No csh history chars. */
  				(void)printf("\\041");
  				break;
  			case ',':		/* No csh history chars. */
  				(void)printf("\\054");
  				break;
  			case '"':		/* No quotes. */
  				(void)printf("\\042");
  				break;
  			case '\'':		/* No quotes. */
  				(void)printf("\\047");
  				break;
  			case '`':		/* No quotes. */
  				(void)printf("\\140");
  				break;
  			case '\\':		/* Anything following is OK. */
  			case '^':
  				(void)putchar(ch);
  				if ((ch = *p++) == '\0')
  					break;
  				/* FALLTHROUGH */
  			default:
  				(void)putchar(ch);
  		}
  		(void)putchar(':');
  	}
  }
  