From NetBSD: merge of 960317

1 files changed, 0 insertions, 432 deletions

diff --git a/usr.bin/tip/remcap.c b/usr.bin/tip/remcap.c
deleted file mode 100644
index 151ad2eeef0..00000000000
--- a/usr.bin/tip/remcap.c
+++ /dev/null
@@ -1,432 +0,0 @@
-/*	$NetBSD: remcap.c,v 1.5 1994/12/24 17:56:29 cgd Exp $	*/
-
-/*
- * Copyright (c) 1983, 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. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. 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.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)remcap.c	8.1 (Berkeley) 6/6/93";
-#endif
-static char rcsid[] = "$NetBSD: remcap.c,v 1.5 1994/12/24 17:56:29 cgd Exp $";
-#endif /* not lint */
-
-/*
- * remcap - routines for dealing with the remote host data base
- *
- * derived from termcap
- */
-#include <sys/types.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#include "pathnames.h"
-
-#ifndef BUFSIZ
-#define	BUFSIZ		1024
-#endif
-#define MAXHOP		32		/* max number of tc= indirections */
-
-#define	tgetent		rgetent
-#define	tnchktc		rnchktc
-#define	tnamatch	rnamatch
-#define	tgetnum		rgetnum
-#define	tgetflag	rgetflag
-#define	tgetstr		rgetstr
-#define	E_TERMCAP	RM = _PATH_REMOTE
-#define V_TERMCAP	"REMOTE"
-#define V_TERM		"HOST"
-
-char	*RM;
-
-/*
- * termcap - routines for dealing with the terminal capability data base
- *
- * BUG:		Should use a "last" pointer in tbuf, so that searching
- *		for capabilities alphabetically would not be a n**2/2
- *		process when large numbers of capabilities are given.
- * Note:	If we add a last pointer now we will screw up the
- *		tc capability. We really should compile termcap.
- *
- * Essentially all the work here is scanning and decoding escapes
- * in string capabilities.  We don't use stdio because the editor
- * doesn't, and because living w/o it is not hard.
- */
-
-static	char *tbuf;
-static	int hopcount;	/* detect infinite loops in termcap, init 0 */
-static	char *tskip();
-static	char *tdecode();
-char	*tgetstr();
-static	char *remotefile;
-
-/*
- * Get an entry for terminal name in buffer bp,
- * from the termcap file.  Parse is very rudimentary;
- * we just notice escaped newlines.
- */
-tgetent(bp, name)
-	char *bp, *name;
-{
-	char lbuf[BUFSIZ], *cp, *p;
-	int rc1, rc2;
-
-	remotefile = cp = getenv(V_TERMCAP);
-	if (cp == (char *)0 || strcmp(cp, _PATH_REMOTE) == 0) {
-		remotefile = cp = _PATH_REMOTE;
-		return (getent(bp, name, cp));
-	} else {
-		if ((rc1 = getent(bp, name, cp)) != 1)
-			*bp = '\0';
-		remotefile = cp = _PATH_REMOTE;
-		rc2 = getent(lbuf, name, cp);
-		if (rc1 != 1 && rc2 != 1)
-			return (rc2);
-		if (rc2 == 1) {
-			p = lbuf;
-			if (rc1 == 1)
-				while (*p++ != ':')
-					;
-			if (strlen(bp) + strlen(p) > BUFSIZ) {
-				write(2, "Remcap entry too long\n", 23);
-				return (-1);
-			}
-			strcat(bp, p);
-		}
-		tbuf = bp;
-		return (1);
-	}
-}
-
-getent(bp, name, cp)
-	char *bp, *name, *cp;
-{
-	register int c;
-	register int i = 0, cnt = 0;
-	char ibuf[BUFSIZ], *cp2;
-	int tf;
-
-	tbuf = bp;
-	tf = 0;
-	/*
-	 * TERMCAP can have one of two things in it. It can be the
-	 * name of a file to use instead of /etc/termcap. In this
-	 * case it better start with a "/". Or it can be an entry to
-	 * use so we don't have to read the file. In this case it
-	 * has to already have the newlines crunched out.
-	 */
-	if (cp && *cp) {
-		if (*cp!='/') {
-			cp2 = getenv(V_TERM);
-			if (cp2 == (char *)0 || strcmp(name,cp2) == 0) {
-				strcpy(bp,cp);
-				return (tnchktc());
-			} else
-				tf = open(E_TERMCAP, O_RDONLY);
-		} else
-			tf = open(RM = cp, O_RDONLY);
-	}
-	if (tf == 0)
-		tf = open(E_TERMCAP, O_RDONLY);
-	if (tf < 0)
-		return (-1);
-	for (;;) {
-		cp = bp;
-		for (;;) {
-			if (i == cnt) {
-				cnt = read(tf, ibuf, BUFSIZ);
-				if (cnt <= 0) {
-					close(tf);
-					return (0);
-				}
-				i = 0;
-			}
-			c = ibuf[i++];
-			if (c == '\n') {
-				if (cp > bp && cp[-1] == '\\') {
-					cp--;
-					continue;
-				}
-				break;
-			}
-			if (cp >= bp+BUFSIZ) {
-				write(2,"Remcap entry too long\n", 23);
-				break;
-			} else
-				*cp++ = c;
-		}
-		*cp = 0;
-
-		/*
-		 * The real work for the match.
-		 */
-		if (tnamatch(name)) {
-			close(tf);
-			return (tnchktc());
-		}
-	}
-}
-
-/*
- * tnchktc: check the last entry, see if it's tc=xxx. If so,
- * recursively find xxx and append that entry (minus the names)
- * to take the place of the tc=xxx entry. This allows termcap
- * entries to say "like an HP2621 but doesn't turn on the labels".
- * Note that this works because of the left to right scan.
- */
-tnchktc()
-{
-	register char *p, *q;
-	char tcname[16];	/* name of similar terminal */
-	char tcbuf[BUFSIZ];
-	char *holdtbuf = tbuf;
-	int l;
-	char *cp;
-
-	p = tbuf + strlen(tbuf) - 2;	/* before the last colon */
-	while (*--p != ':')
-		if (p<tbuf) {
-			write(2, "Bad remcap entry\n", 18);
-			return (0);
-		}
-	p++;
-	/* p now points to beginning of last field */
-	if (p[0] != 't' || p[1] != 'c')
-		return (1);
-	strcpy(tcname, p+3);
-	q = tcname;
-	while (*q && *q != ':')
-		q++;
-	*q = 0;
-	if (++hopcount > MAXHOP) {
-		write(2, "Infinite tc= loop\n", 18);
-		return (0);
-	}
-	if (getent(tcbuf, tcname, remotefile) != 1) {
-		if (strcmp(remotefile, _PATH_REMOTE) == 0)
-			return (0);
-		else if (getent(tcbuf, tcname, _PATH_REMOTE) != 1)
-			return (0);
-	}
-	for (q = tcbuf; *q++ != ':'; )
-		;
-	l = p - holdtbuf + strlen(q);
-	if (l > BUFSIZ) {
-		write(2, "Remcap entry too long\n", 23);
-		q[BUFSIZ - (p-holdtbuf)] = 0;
-	}
-	strcpy(p, q);
-	tbuf = holdtbuf;
-	return (1);
-}
-
-/*
- * Tnamatch deals with name matching.  The first field of the termcap
- * entry is a sequence of names separated by |'s, so we compare
- * against each such name.  The normal : terminator after the last
- * name (before the first field) stops us.
- */
-tnamatch(np)
-	char *np;
-{
-	register char *Np, *Bp;
-
-	Bp = tbuf;
-	if (*Bp == '#')
-		return (0);
-	for (;;) {
-		for (Np = np; *Np && *Bp == *Np; Bp++, Np++)
-			continue;
-		if (*Np == 0 && (*Bp == '|' || *Bp == ':' || *Bp == 0))
-			return (1);
-		while (*Bp && *Bp != ':' && *Bp != '|')
-			Bp++;
-		if (*Bp == 0 || *Bp == ':')
-			return (0);
-		Bp++;
-	}
-}
-
-/*
- * Skip to the next field.  Notice that this is very dumb, not
- * knowing about \: escapes or any such.  If necessary, :'s can be put
- * into the termcap file in octal.
- */
-static char *
-tskip(bp)
-	register char *bp;
-{
-
-	while (*bp && *bp != ':')
-		bp++;
-	if (*bp == ':')
-		bp++;
-	return (bp);
-}
-
-/*
- * Return the (numeric) option id.
- * Numeric options look like
- *	li#80
- * i.e. the option string is separated from the numeric value by
- * a # character.  If the option is not found we return -1.
- * Note that we handle octal numbers beginning with 0.
- */
-tgetnum(id)
-	char *id;
-{
-	register int i, base;
-	register char *bp = tbuf;
-
-	for (;;) {
-		bp = tskip(bp);
-		if (*bp == 0)
-			return (-1);
-		if (*bp++ != id[0] || *bp == 0 || *bp++ != id[1])
-			continue;
-		if (*bp == '@')
-			return (-1);
-		if (*bp != '#')
-			continue;
-		bp++;
-		base = 10;
-		if (*bp == '0')
-			base = 8;
-		i = 0;
-		while (isdigit(*bp))
-			i *= base, i += *bp++ - '0';
-		return (i);
-	}
-}
-
-/*
- * Handle a flag option.
- * Flag options are given "naked", i.e. followed by a : or the end
- * of the buffer.  Return 1 if we find the option, or 0 if it is
- * not given.
- */
-tgetflag(id)
-	char *id;
-{
-	register char *bp = tbuf;
-
-	for (;;) {
-		bp = tskip(bp);
-		if (!*bp)
-			return (0);
-		if (*bp++ == id[0] && *bp != 0 && *bp++ == id[1]) {
-			if (!*bp || *bp == ':')
-				return (1);
-			else if (*bp == '@')
-				return (0);
-		}
-	}
-}
-
-/*
- * Get a string valued option.
- * These are given as
- *	cl=^Z
- * Much decoding is done on the strings, and the strings are
- * placed in area, which is a ref parameter which is updated.
- * No checking on area overflow.
- */
-char *
-tgetstr(id, area)
-	char *id, **area;
-{
-	register char *bp = tbuf;
-
-	for (;;) {
-		bp = tskip(bp);
-		if (!*bp)
-			return (0);
-		if (*bp++ != id[0] || *bp == 0 || *bp++ != id[1])
-			continue;
-		if (*bp == '@')
-			return (0);
-		if (*bp != '=')
-			continue;
-		bp++;
-		return (tdecode(bp, area));
-	}
-}
-
-/*
- * Tdecode does the grung work to decode the
- * string capability escapes.
- */
-static char *
-tdecode(str, area)
-	register char *str;
-	char **area;
-{
-	register char *cp;
-	register int c;
-	register char *dp;
-	int i;
-
-	cp = *area;
-	while ((c = *str++) && c != ':') {
-		switch (c) {
-
-		case '^':
-			c = *str++ & 037;
-			break;
-
-		case '\\':
-			dp = "E\033^^\\\\::n\nr\rt\tb\bf\f";
-			c = *str++;
-nextc:
-			if (*dp++ == c) {
-				c = *dp++;
-				break;
-			}
-			dp++;
-			if (*dp)
-				goto nextc;
-			if (isdigit(c)) {
-				c -= '0', i = 2;
-				do
-					c <<= 3, c |= *str++ - '0';
-				while (--i && isdigit(*str));
-			}
-			break;
-		}
-		*cp++ = c;
-	}
-	*cp++ = 0;
-	str = *area;
-	*area = cp;
-	return (str);
-}