Remove vendored libedit

1 files changed, 0 insertions, 641 deletions

diff --git a/bin/1sh/libedit/search.c b/bin/1sh/libedit/search.c
deleted file mode 100644
index 5226cf5f..00000000
--- a/bin/1sh/libedit/search.c
+++ /dev/null
@@ -1,641 +0,0 @@
-/*	$NetBSD: search.c,v 1.47 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[] = "@(#)search.c	8.1 (Berkeley) 6/4/93";
-#else
-__RCSID("$NetBSD: search.c,v 1.47 2016/05/09 21:46:56 christos Exp $");
-#endif
-#endif /* not lint && not SCCSID */
-
-/*
- * search.c: History and character search functions
- */
-#include <stdlib.h>
-#include <string.h>
-#if defined(REGEX)
-#include <regex.h>
-#elif defined(REGEXP)
-#include <regexp.h>
-#endif
-
-#include "el.h"
-#include "common.h"
-#include "fcns.h"
-
-/*
- * Adjust cursor in vi mode to include the character under it
- */
-#define	EL_CURSOR(el) \
-    ((el)->el_line.cursor + (((el)->el_map.type == MAP_VI) && \
-			    ((el)->el_map.current == (el)->el_map.alt)))
-
-/* search_init():
- *	Initialize the search stuff
- */
-libedit_private int
-search_init(EditLine *el)
-{
-
-	el->el_search.patbuf = el_malloc(EL_BUFSIZ *
-	    sizeof(*el->el_search.patbuf));
-	if (el->el_search.patbuf == NULL)
-		return -1;
-	el->el_search.patbuf[0] = L'\0';
-	el->el_search.patlen = 0;
-	el->el_search.patdir = -1;
-	el->el_search.chacha = L'\0';
-	el->el_search.chadir = CHAR_FWD;
-	el->el_search.chatflg = 0;
-	return 0;
-}
-
-
-/* search_end():
- *	Initialize the search stuff
- */
-libedit_private void
-search_end(EditLine *el)
-{
-
-	el_free(el->el_search.patbuf);
-	el->el_search.patbuf = NULL;
-}
-
-
-#ifdef REGEXP
-/* regerror():
- *	Handle regular expression errors
- */
-void
-/*ARGSUSED*/
-regerror(const char *msg)
-{
-}
-#endif
-
-
-/* el_match():
- *	Return if string matches pattern
- */
-libedit_private int
-el_match(const wchar_t *str, const wchar_t *pat)
-{
-	static ct_buffer_t conv;
-#if defined (REGEX)
-	regex_t re;
-	int rv;
-#elif defined (REGEXP)
-	regexp *rp;
-	int rv;
-#else
-	extern char	*re_comp(const char *);
-	extern int	 re_exec(const char *);
-#endif
-
-	if (wcsstr(str, pat) != 0)
-		return 1;
-
-#if defined(REGEX)
-	if (regcomp(&re, ct_encode_string(pat, &conv), 0) == 0) {
-		rv = regexec(&re, ct_encode_string(str, &conv), (size_t)0, NULL,
-		    0) == 0;
-		regfree(&re);
-	} else {
-		rv = 0;
-	}
-	return rv;
-#elif defined(REGEXP)
-	if ((re = regcomp(ct_encode_string(pat, &conv))) != NULL) {
-		rv = regexec(re, ct_encode_string(str, &conv));
-		el_free(re);
-	} else {
-		rv = 0;
-	}
-	return rv;
-#else
-	if (re_comp(ct_encode_string(pat, &conv)) != NULL)
-		return 0;
-	else
-		return re_exec(ct_encode_string(str, &conv)) == 1;
-#endif
-}
-
-
-/* c_hmatch():
- *	 return True if the pattern matches the prefix
- */
-libedit_private int
-c_hmatch(EditLine *el, const wchar_t *str)
-{
-#ifdef SDEBUG
-	(void) fprintf(el->el_errfile, "match `%s' with `%s'\n",
-	    el->el_search.patbuf, str);
-#endif /* SDEBUG */
-
-	return el_match(str, el->el_search.patbuf);
-}
-
-
-/* c_setpat():
- *	Set the history seatch pattern
- */
-libedit_private void
-c_setpat(EditLine *el)
-{
-	if (el->el_state.lastcmd != ED_SEARCH_PREV_HISTORY &&
-	    el->el_state.lastcmd != ED_SEARCH_NEXT_HISTORY) {
-		el->el_search.patlen =
-		    (size_t)(EL_CURSOR(el) - el->el_line.buffer);
-		if (el->el_search.patlen >= EL_BUFSIZ)
-			el->el_search.patlen = EL_BUFSIZ - 1;
-		if (el->el_search.patlen != 0) {
-			(void) wcsncpy(el->el_search.patbuf, el->el_line.buffer,
-			    el->el_search.patlen);
-			el->el_search.patbuf[el->el_search.patlen] = '\0';
-		} else
-			el->el_search.patlen = wcslen(el->el_search.patbuf);
-	}
-#ifdef SDEBUG
-	(void) fprintf(el->el_errfile, "\neventno = %d\n",
-	    el->el_history.eventno);
-	(void) fprintf(el->el_errfile, "patlen = %d\n", el->el_search.patlen);
-	(void) fprintf(el->el_errfile, "patbuf = \"%s\"\n",
-	    el->el_search.patbuf);
-	(void) fprintf(el->el_errfile, "cursor %d lastchar %d\n",
-	    EL_CURSOR(el) - el->el_line.buffer,
-	    el->el_line.lastchar - el->el_line.buffer);
-#endif
-}
-
-
-/* ce_inc_search():
- *	Emacs incremental search
- */
-libedit_private el_action_t
-ce_inc_search(EditLine *el, int dir)
-{
-	static const wchar_t STRfwd[] = L"fwd", STRbck[] = L"bck";
-	static wchar_t pchar = L':';  /* ':' = normal, '?' = failed */
-	static wchar_t endcmd[2] = {'\0', '\0'};
-	wchar_t *ocursor = el->el_line.cursor, oldpchar = pchar, ch;
-	const wchar_t *cp;
-
-	el_action_t ret = CC_NORM;
-
-	int ohisteventno = el->el_history.eventno;
-	size_t oldpatlen = el->el_search.patlen;
-	int newdir = dir;
-	int done, redo;
-
-	if (el->el_line.lastchar + sizeof(STRfwd) /
-	    sizeof(*el->el_line.lastchar) + 2 +
-	    el->el_search.patlen >= el->el_line.limit)
-		return CC_ERROR;
-
-	for (;;) {
-
-		if (el->el_search.patlen == 0) {	/* first round */
-			pchar = ':';
-#ifdef ANCHOR
-#define	LEN	2
-			el->el_search.patbuf[el->el_search.patlen++] = '.';
-			el->el_search.patbuf[el->el_search.patlen++] = '*';
-#else
-#define	LEN	0
-#endif
-		}
-		done = redo = 0;
-		*el->el_line.lastchar++ = '\n';
-		for (cp = (newdir == ED_SEARCH_PREV_HISTORY) ? STRbck : STRfwd;
-		    *cp; *el->el_line.lastchar++ = *cp++)
-			continue;
-		*el->el_line.lastchar++ = pchar;
-		for (cp = &el->el_search.patbuf[LEN];
-		    cp < &el->el_search.patbuf[el->el_search.patlen];
-		    *el->el_line.lastchar++ = *cp++)
-			continue;
-		*el->el_line.lastchar = '\0';
-		re_refresh(el);
-
-		if (el_wgetc(el, &ch) != 1)
-			return ed_end_of_file(el, 0);
-
-		switch (el->el_map.current[(unsigned char) ch]) {
-		case ED_INSERT:
-		case ED_DIGIT:
-			if (el->el_search.patlen >= EL_BUFSIZ - LEN)
-				terminal_beep(el);
-			else {
-				el->el_search.patbuf[el->el_search.patlen++] =
-				    ch;
-				*el->el_line.lastchar++ = ch;
-				*el->el_line.lastchar = '\0';
-				re_refresh(el);
-			}
-			break;
-
-		case EM_INC_SEARCH_NEXT:
-			newdir = ED_SEARCH_NEXT_HISTORY;
-			redo++;
-			break;
-
-		case EM_INC_SEARCH_PREV:
-			newdir = ED_SEARCH_PREV_HISTORY;
-			redo++;
-			break;
-
-		case EM_DELETE_PREV_CHAR:
-		case ED_DELETE_PREV_CHAR:
-			if (el->el_search.patlen > LEN)
-				done++;
-			else
-				terminal_beep(el);
-			break;
-
-		default:
-			switch (ch) {
-			case 0007:	/* ^G: Abort */
-				ret = CC_ERROR;
-				done++;
-				break;
-
-			case 0027:	/* ^W: Append word */
-			/* No can do if globbing characters in pattern */
-				for (cp = &el->el_search.patbuf[LEN];; cp++)
-				    if (cp >= &el->el_search.patbuf[
-					el->el_search.patlen]) {
-					el->el_line.cursor +=
-					    el->el_search.patlen - LEN - 1;
-					cp = c__next_word(el->el_line.cursor,
-					    el->el_line.lastchar, 1,
-					    ce__isword);
-					while (el->el_line.cursor < cp &&
-					    *el->el_line.cursor != '\n') {
-						if (el->el_search.patlen >=
-						    EL_BUFSIZ - LEN) {
-							terminal_beep(el);
-							break;
-						}
-						el->el_search.patbuf[el->el_search.patlen++] =
-						    *el->el_line.cursor;
-						*el->el_line.lastchar++ =
-						    *el->el_line.cursor++;
-					}
-					el->el_line.cursor = ocursor;
-					*el->el_line.lastchar = '\0';
-					re_refresh(el);
-					break;
-				    } else if (isglob(*cp)) {
-					    terminal_beep(el);
-					    break;
-				    }
-				break;
-
-			default:	/* Terminate and execute cmd */
-				endcmd[0] = ch;
-				el_wpush(el, endcmd);
-				/* FALLTHROUGH */
-
-			case 0033:	/* ESC: Terminate */
-				ret = CC_REFRESH;
-				done++;
-				break;
-			}
-			break;
-		}
-
-		while (el->el_line.lastchar > el->el_line.buffer &&
-		    *el->el_line.lastchar != '\n')
-			*el->el_line.lastchar-- = '\0';
-		*el->el_line.lastchar = '\0';
-
-		if (!done) {
-
-			/* Can't search if unmatched '[' */
-			for (cp = &el->el_search.patbuf[el->el_search.patlen-1],
-			    ch = L']';
-			    cp >= &el->el_search.patbuf[LEN];
-			    cp--)
-				if (*cp == '[' || *cp == ']') {
-					ch = *cp;
-					break;
-				}
-			if (el->el_search.patlen > LEN && ch != L'[') {
-				if (redo && newdir == dir) {
-					if (pchar == '?') { /* wrap around */
-						el->el_history.eventno =
-						    newdir == ED_SEARCH_PREV_HISTORY ? 0 : 0x7fffffff;
-						if (hist_get(el) == CC_ERROR)
-							/* el->el_history.event
-							 * no was fixed by
-							 * first call */
-							(void) hist_get(el);
-						el->el_line.cursor = newdir ==
-						    ED_SEARCH_PREV_HISTORY ?
-						    el->el_line.lastchar :
-						    el->el_line.buffer;
-					} else
-						el->el_line.cursor +=
-						    newdir ==
-						    ED_SEARCH_PREV_HISTORY ?
-						    -1 : 1;
-				}
-#ifdef ANCHOR
-				el->el_search.patbuf[el->el_search.patlen++] =
-				    '.';
-				el->el_search.patbuf[el->el_search.patlen++] =
-				    '*';
-#endif
-				el->el_search.patbuf[el->el_search.patlen] =
-				    '\0';
-				if (el->el_line.cursor < el->el_line.buffer ||
-				    el->el_line.cursor > el->el_line.lastchar ||
-				    (ret = ce_search_line(el, newdir))
-				    == CC_ERROR) {
-					/* avoid c_setpat */
-					el->el_state.lastcmd =
-					    (el_action_t) newdir;
-					ret = (el_action_t)
-					    (newdir == ED_SEARCH_PREV_HISTORY ?
-					    ed_search_prev_history(el, 0) :
-					    ed_search_next_history(el, 0));
-					if (ret != CC_ERROR) {
-						el->el_line.cursor = newdir ==
-						    ED_SEARCH_PREV_HISTORY ?
-						    el->el_line.lastchar :
-						    el->el_line.buffer;
-						(void) ce_search_line(el,
-						    newdir);
-					}
-				}
-				el->el_search.patlen -= LEN;
-				el->el_search.patbuf[el->el_search.patlen] =
-				    '\0';
-				if (ret == CC_ERROR) {
-					terminal_beep(el);
-					if (el->el_history.eventno !=
-					    ohisteventno) {
-						el->el_history.eventno =
-						    ohisteventno;
-						if (hist_get(el) == CC_ERROR)
-							return CC_ERROR;
-					}
-					el->el_line.cursor = ocursor;
-					pchar = '?';
-				} else {
-					pchar = ':';
-				}
-			}
-			ret = ce_inc_search(el, newdir);
-
-			if (ret == CC_ERROR && pchar == '?' && oldpchar == ':')
-				/*
-				 * break abort of failed search at last
-				 * non-failed
-				 */
-				ret = CC_NORM;
-
-		}
-		if (ret == CC_NORM || (ret == CC_ERROR && oldpatlen == 0)) {
-			/* restore on normal return or error exit */
-			pchar = oldpchar;
-			el->el_search.patlen = oldpatlen;
-			if (el->el_history.eventno != ohisteventno) {
-				el->el_history.eventno = ohisteventno;
-				if (hist_get(el) == CC_ERROR)
-					return CC_ERROR;
-			}
-			el->el_line.cursor = ocursor;
-			if (ret == CC_ERROR)
-				re_refresh(el);
-		}
-		if (done || ret != CC_NORM)
-			return ret;
-	}
-}
-
-
-/* cv_search():
- *	Vi search.
- */
-libedit_private el_action_t
-cv_search(EditLine *el, int dir)
-{
-	wchar_t ch;
-	wchar_t tmpbuf[EL_BUFSIZ];
-	ssize_t tmplen;
-
-#ifdef ANCHOR
-	tmpbuf[0] = '.';
-	tmpbuf[1] = '*';
-#endif
-	tmplen = LEN;
-
-	el->el_search.patdir = dir;
-
-	tmplen = c_gets(el, &tmpbuf[LEN],
-		dir == ED_SEARCH_PREV_HISTORY ? L"\n/" : L"\n?" );
-	if (tmplen == -1)
-		return CC_REFRESH;
-
-	tmplen += LEN;
-	ch = tmpbuf[tmplen];
-	tmpbuf[tmplen] = '\0';
-
-	if (tmplen == LEN) {
-		/*
-		 * Use the old pattern, but wild-card it.
-		 */
-		if (el->el_search.patlen == 0) {
-			re_refresh(el);
-			return CC_ERROR;
-		}
-#ifdef ANCHOR
-		if (el->el_search.patbuf[0] != '.' &&
-		    el->el_search.patbuf[0] != '*') {
-			(void) wcsncpy(tmpbuf, el->el_search.patbuf,
-			    sizeof(tmpbuf) / sizeof(*tmpbuf) - 1);
-			el->el_search.patbuf[0] = '.';
-			el->el_search.patbuf[1] = '*';
-			(void) wcsncpy(&el->el_search.patbuf[2], tmpbuf,
-			    EL_BUFSIZ - 3);
-			el->el_search.patlen++;
-			el->el_search.patbuf[el->el_search.patlen++] = '.';
-			el->el_search.patbuf[el->el_search.patlen++] = '*';
-			el->el_search.patbuf[el->el_search.patlen] = '\0';
-		}
-#endif
-	} else {
-#ifdef ANCHOR
-		tmpbuf[tmplen++] = '.';
-		tmpbuf[tmplen++] = '*';
-#endif
-		tmpbuf[tmplen] = '\0';
-		(void) wcsncpy(el->el_search.patbuf, tmpbuf, EL_BUFSIZ - 1);
-		el->el_search.patlen = (size_t)tmplen;
-	}
-	el->el_state.lastcmd = (el_action_t) dir;	/* avoid c_setpat */
-	el->el_line.cursor = el->el_line.lastchar = el->el_line.buffer;
-	if ((dir == ED_SEARCH_PREV_HISTORY ? ed_search_prev_history(el, 0) :
-	    ed_search_next_history(el, 0)) == CC_ERROR) {
-		re_refresh(el);
-		return CC_ERROR;
-	}
-	if (ch == 0033) {
-		re_refresh(el);
-		return ed_newline(el, 0);
-	}
-	return CC_REFRESH;
-}
-
-
-/* ce_search_line():
- *	Look for a pattern inside a line
- */
-libedit_private el_action_t
-ce_search_line(EditLine *el, int dir)
-{
-	wchar_t *cp = el->el_line.cursor;
-	wchar_t *pattern = el->el_search.patbuf;
-	wchar_t oc, *ocp;
-#ifdef ANCHOR
-	ocp = &pattern[1];
-	oc = *ocp;
-	*ocp = '^';
-#else
-	ocp = pattern;
-	oc = *ocp;
-#endif
-
-	if (dir == ED_SEARCH_PREV_HISTORY) {
-		for (; cp >= el->el_line.buffer; cp--) {
-			if (el_match(cp, ocp)) {
-				*ocp = oc;
-				el->el_line.cursor = cp;
-				return CC_NORM;
-			}
-		}
-		*ocp = oc;
-		return CC_ERROR;
-	} else {
-		for (; *cp != '\0' && cp < el->el_line.limit; cp++) {
-			if (el_match(cp, ocp)) {
-				*ocp = oc;
-				el->el_line.cursor = cp;
-				return CC_NORM;
-			}
-		}
-		*ocp = oc;
-		return CC_ERROR;
-	}
-}
-
-
-/* cv_repeat_srch():
- *	Vi repeat search
- */
-libedit_private el_action_t
-cv_repeat_srch(EditLine *el, wint_t c)
-{
-
-#ifdef SDEBUG
-	(void) fprintf(el->el_errfile, "dir %d patlen %d patbuf %s\n",
-	    c, el->el_search.patlen, ct_encode_string(el->el_search.patbuf));
-#endif
-
-	el->el_state.lastcmd = (el_action_t) c;	/* Hack to stop c_setpat */
-	el->el_line.lastchar = el->el_line.buffer;
-
-	switch (c) {
-	case ED_SEARCH_NEXT_HISTORY:
-		return ed_search_next_history(el, 0);
-	case ED_SEARCH_PREV_HISTORY:
-		return ed_search_prev_history(el, 0);
-	default:
-		return CC_ERROR;
-	}
-}
-
-
-/* cv_csearch():
- *	Vi character search
- */
-libedit_private el_action_t
-cv_csearch(EditLine *el, int direction, wint_t ch, int count, int tflag)
-{
-	wchar_t *cp;
-
-	if (ch == 0)
-		return CC_ERROR;
-
-	if (ch == (wint_t)-1) {
-		if (el_wgetc(el, &ch) != 1)
-			return ed_end_of_file(el, 0);
-	}
-
-	/* Save for ';' and ',' commands */
-	el->el_search.chacha = ch;
-	el->el_search.chadir = direction;
-	el->el_search.chatflg = (char)tflag;
-
-	cp = el->el_line.cursor;
-	while (count--) {
-		if ((wint_t)*cp == ch)
-			cp += direction;
-		for (;;cp += direction) {
-			if (cp >= el->el_line.lastchar)
-				return CC_ERROR;
-			if (cp < el->el_line.buffer)
-				return CC_ERROR;
-			if ((wint_t)*cp == ch)
-				break;
-		}
-	}
-
-	if (tflag)
-		cp -= direction;
-
-	el->el_line.cursor = cp;
-
-	if (el->el_chared.c_vcmd.action != NOP) {
-		if (direction > 0)
-			el->el_line.cursor++;
-		cv_delfini(el);
-		return CC_REFRESH;
-	}
-	return CC_CURSOR;
-}