Remove vendored libedit

1 files changed, 0 insertions, 205 deletions

diff --git a/bin/1sh/libedit/sig.c b/bin/1sh/libedit/sig.c
deleted file mode 100644
index 83742a3d..00000000
--- a/bin/1sh/libedit/sig.c
+++ /dev/null
@@ -1,205 +0,0 @@
-/*	$NetBSD: sig.c,v 1.26 2016/05/09 21:46:56 christos Exp $	*/
-
-/*-
- * Copyright (c) 1992, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Christos Zoulas of Cornell University.
- *
- * 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 "config.h"
-#if !defined(lint) && !defined(SCCSID)
-#if 0
-static char sccsid[] = "@(#)sig.c	8.1 (Berkeley) 6/4/93";
-#else
-__RCSID("$NetBSD: sig.c,v 1.26 2016/05/09 21:46:56 christos Exp $");
-#endif
-#endif /* not lint && not SCCSID */
-
-/*
- * sig.c: Signal handling stuff.
- *	  our policy is to trap all signals, set a good state
- *	  and pass the ball to our caller.
- */
-#include <errno.h>
-#include <stdlib.h>
-
-#include "el.h"
-#include "common.h"
-
-static EditLine *sel = NULL;
-
-static const int sighdl[] = {
-#define	_DO(a)	(a),
-	ALLSIGS
-#undef	_DO
-	- 1
-};
-
-static void sig_handler(int);
-
-/* sig_handler():
- *	This is the handler called for all signals
- *	XXX: we cannot pass any data so we just store the old editline
- *	state in a private variable
- */
-static void
-sig_handler(int signo)
-{
-	int i, save_errno;
-	sigset_t nset, oset;
-
-	save_errno = errno;
-	(void) sigemptyset(&nset);
-	(void) sigaddset(&nset, signo);
-	(void) sigprocmask(SIG_BLOCK, &nset, &oset);
-
-	sel->el_signal->sig_no = signo;
-
-	switch (signo) {
-	case SIGCONT:
-		tty_rawmode(sel);
-		if (ed_redisplay(sel, 0) == CC_REFRESH)
-			re_refresh(sel);
-		terminal__flush(sel);
-		break;
-
-	case SIGWINCH:
-		el_resize(sel);
-		break;
-
-	default:
-		tty_cookedmode(sel);
-		break;
-	}
-
-	for (i = 0; sighdl[i] != -1; i++)
-		if (signo == sighdl[i])
-			break;
-
-	(void) sigaction(signo, &sel->el_signal->sig_action[i], NULL);
-	sel->el_signal->sig_action[i].sa_handler = SIG_ERR;
-	sel->el_signal->sig_action[i].sa_flags = 0;
-	sigemptyset(&sel->el_signal->sig_action[i].sa_mask);
-	(void) sigprocmask(SIG_SETMASK, &oset, NULL);
-	(void) kill(0, signo);
-	errno = save_errno;
-}
-
-
-/* sig_init():
- *	Initialize all signal stuff
- */
-libedit_private int
-sig_init(EditLine *el)
-{
-	size_t i;
-	sigset_t *nset, oset;
-
-	el->el_signal = el_malloc(sizeof(*el->el_signal));
-	if (el->el_signal == NULL)
-		return -1;
-
-	nset = &el->el_signal->sig_set;
-	(void) sigemptyset(nset);
-#define	_DO(a) (void) sigaddset(nset, a);
-	ALLSIGS
-#undef	_DO
-	(void) sigprocmask(SIG_BLOCK, nset, &oset);
-
-	for (i = 0; sighdl[i] != -1; i++) {
-		el->el_signal->sig_action[i].sa_handler = SIG_ERR;
-		el->el_signal->sig_action[i].sa_flags = 0;
-		sigemptyset(&el->el_signal->sig_action[i].sa_mask);
-	}
-
-	(void) sigprocmask(SIG_SETMASK, &oset, NULL);
-
-	return 0;
-}
-
-
-/* sig_end():
- *	Clear all signal stuff
- */
-libedit_private void
-sig_end(EditLine *el)
-{
-
-	el_free(el->el_signal);
-	el->el_signal = NULL;
-}
-
-
-/* sig_set():
- *	set all the signal handlers
- */
-libedit_private void
-sig_set(EditLine *el)
-{
-	size_t i;
-	sigset_t oset;
-	struct sigaction osa, nsa;
-
-	nsa.sa_handler = sig_handler;
-	nsa.sa_flags = 0;
-	sigemptyset(&nsa.sa_mask);
-
-	(void) sigprocmask(SIG_BLOCK, &el->el_signal->sig_set, &oset);
-
-	for (i = 0; sighdl[i] != -1; i++) {
-		/* This could happen if we get interrupted */
-		if (sigaction(sighdl[i], &nsa, &osa) != -1 &&
-		    osa.sa_handler != sig_handler)
-			el->el_signal->sig_action[i] = osa;
-	}
-	sel = el;
-	(void) sigprocmask(SIG_SETMASK, &oset, NULL);
-}
-
-
-/* sig_clr():
- *	clear all the signal handlers
- */
-libedit_private void
-sig_clr(EditLine *el)
-{
-	size_t i;
-	sigset_t oset;
-
-	(void) sigprocmask(SIG_BLOCK, &el->el_signal->sig_set, &oset);
-
-	for (i = 0; sighdl[i] != -1; i++)
-		if (el->el_signal->sig_action[i].sa_handler != SIG_ERR)
-			(void)sigaction(sighdl[i],
-			    &el->el_signal->sig_action[i], NULL);
-
-	sel = NULL;		/* we are going to die if the handler is
-				 * called */
-	(void)sigprocmask(SIG_SETMASK, &oset, NULL);
-}