Remove 1sh

1 files changed, 0 insertions, 558 deletions

diff --git a/bin/1sh/histedit.c b/bin/1sh/histedit.c
deleted file mode 100644
index e0bda06e..00000000
--- a/bin/1sh/histedit.c
+++ /dev/null
@@ -1,558 +0,0 @@
-/*-
- * Copyright (c) 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Kenneth Almquist.
- *
- * 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.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)histedit.c	8.2 (Berkeley) 5/4/95";
-#endif
-#endif /* not lint */
-#include <sys/cdefs.h>
-/* $FreeBSD: releng/12.1/bin/sh/histedit.c 345613 2019-03-27 21:53:44Z jilles $ */
-
-#include <sys/param.h>
-#include <limits.h>
-#include <paths.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-/*
- * Editline and history functions (and glue).
- */
-#include "shell.h"
-#include "parser.h"
-#include "var.h"
-#include "options.h"
-#include "main.h"
-#include "output.h"
-#include "mystring.h"
-#ifndef NO_HISTORY
-#include "myhistedit.h"
-#include "error.h"
-#include "eval.h"
-#include "memalloc.h"
-#include "builtins.h"
-
-#define MAXHISTLOOPS	4	/* max recursions through fc */
-#define DEFEDITOR	"ed"	/* default editor *should* be $EDITOR */
-
-History *hist;	/* history cookie */
-EditLine *el;	/* editline cookie */
-int displayhist;
-static FILE *el_in, *el_out, *el_err;
-
-static void history_load(const char *hf);
-static void history_save(const char *hf);
-
-static char *fc_replace(const char *, char *, char *);
-static int not_fcnumber(const char *);
-static int str_to_event(const char *, int);
-
-/*
- * Set history and editing status.  Called whenever the status may
- * have changed (figures out what to do).
- */
-void
-histedit(void)
-{
-
-#define editing (Eflag || Vflag)
-
-	if (iflag) {
-		if (!hist) {
-			/*
-			 * turn history on
-			 */
-			INTOFF;
-			hist = history_init();
-			INTON;
-
-			if (hist != NULL) {
-				sethistsize(histsizeval());
-				sethistfile(histfileval());
-			} else
-				out2fmt_flush("sh: can't initialize history\n");
-		}
-		if (editing && !el && isatty(0)) { /* && isatty(2) ??? */
-			/*
-			 * turn editing on
-			 */
-			char *term;
-
-			INTOFF;
-			if (el_in == NULL)
-				el_in = fdopen(0, "r");
-			if (el_err == NULL)
-				el_err = fdopen(1, "w");
-			if (el_out == NULL)
-				el_out = fdopen(2, "w");
-			if (el_in == NULL || el_err == NULL || el_out == NULL)
-				goto bad;
-			term = lookupvar("TERM");
-			if (term)
-				setenv("TERM", term, 1);
-			else
-				unsetenv("TERM");
-			el = el_init(arg0, el_in, el_out, el_err);
-			if (el != NULL) {
-				if (hist)
-					el_set(el, EL_HIST, history, hist);
-				el_set(el, EL_PROMPT, getprompt);
-				el_set(el, EL_RPROMPT, getrprompt);
-				el_set(el, EL_ADDFN, "sh-complete",
-				    "Filename completion",
-				    _el_fn_complete);
-			} else {
-bad:
-				out2fmt_flush("sh: can't initialize editing\n");
-			}
-			INTON;
-		} else if (!editing && el) {
-			INTOFF;
-			el_end(el);
-			el = NULL;
-			INTON;
-		}
-		if (el) {
-			el_source(el, NULL);
-			if (Vflag)
-				el_set(el, EL_EDITOR, "vi");
-			else if (Eflag)
-				el_set(el, EL_EDITOR, "emacs");
-			el_set(el, EL_BIND, "^I", "sh-complete", NULL);
-		}
-	} else {
-		INTOFF;
-		if (el) {	/* no editing if not interactive */
-			el_end(el);
-			el = NULL;
-		}
-		if (hist) {
-			if (*histfileval() != '\0')
-				history_save(histfileval());
-			history_end(hist);
-			hist = NULL;
-		}
-		INTON;
-	}
-}
-
-
-void
-sethistfile(const char *hf)
-{
-	if (hist != NULL && hf != NULL && *hf != '\0')
-		history_load(hf);
-}
-
-
-static void
-history_load(const char *hf)
-{
-	HistEvent he;
-
-	if (history(hist, &he, H_LOAD, hf) == -1)
-		warning("%s: %s", he.str, hf);
-}
-
-
-static void
-history_save(const char *hf)
-{
-	HistEvent he;
-
-	if (history(hist, &he, H_SAVE, hf) == -1)
-		warning("%s: %s", he.str, hf);
-}
-
-
-void
-sethistsize(const char *hs)
-{
-	int histsize;
-	HistEvent he;
-
-	if (hist != NULL) {
-		if (hs == NULL || !is_number(hs))
-			histsize = 100;
-		else
-			histsize = atoi(hs);
-		history(hist, &he, H_SETSIZE, histsize);
-		history(hist, &he, H_SETUNIQUE, 1);
-	}
-}
-
-void
-setterm(const char *term)
-{
-	if (rootshell && el != NULL && term != NULL)
-		el_set(el, EL_TERMINAL, term);
-}
-
-int
-histcmd(int argc, char **argv __unused)
-{
-	int ch;
-	const char *editor = NULL;
-	HistEvent he;
-	int lflg = 0, nflg = 0, rflg = 0, sflg = 0;
-	int i, retval;
-	const char *firststr, *laststr;
-	int first, last, direction;
-	char *pat = NULL, *repl = NULL;
-	static int active = 0;
-	struct jmploc jmploc;
-	struct jmploc *savehandler;
-	char editfilestr[PATH_MAX];
-	char *volatile editfile;
-	FILE *efp = NULL;
-	int oldhistnum;
-
-	if (hist == NULL)
-		error("history not active");
-
-	if (argc == 1)
-		error("missing history argument");
-
-	while (not_fcnumber(*argptr) && (ch = nextopt("e:lnrs")) != '\0')
-		switch ((char)ch) {
-		case 'e':
-			editor = shoptarg;
-			break;
-		case 'l':
-			lflg = 1;
-			break;
-		case 'n':
-			nflg = 1;
-			break;
-		case 'r':
-			rflg = 1;
-			break;
-		case 's':
-			sflg = 1;
-			break;
-		}
-
-	savehandler = handler;
-	/*
-	 * If executing...
-	 */
-	if (lflg == 0 || editor || sflg) {
-		lflg = 0;	/* ignore */
-		editfile = NULL;
-		/*
-		 * Catch interrupts to reset active counter and
-		 * cleanup temp files.
-		 */
-		if (setjmp(jmploc.loc)) {
-			active = 0;
-			if (editfile)
-				unlink(editfile);
-			handler = savehandler;
-			longjmp(handler->loc, 1);
-		}
-		handler = &jmploc;
-		if (++active > MAXHISTLOOPS) {
-			active = 0;
-			displayhist = 0;
-			error("called recursively too many times");
-		}
-		/*
-		 * Set editor.
-		 */
-		if (sflg == 0) {
-			if (editor == NULL &&
-			    (editor = bltinlookup("FCEDIT", 1)) == NULL &&
-			    (editor = bltinlookup("EDITOR", 1)) == NULL)
-				editor = DEFEDITOR;
-			if (editor[0] == '-' && editor[1] == '\0') {
-				sflg = 1;	/* no edit */
-				editor = NULL;
-			}
-		}
-	}
-
-	/*
-	 * If executing, parse [old=new] now
-	 */
-	if (lflg == 0 && *argptr != NULL &&
-	     ((repl = strchr(*argptr, '=')) != NULL)) {
-		pat = *argptr;
-		*repl++ = '\0';
-		argptr++;
-	}
-	/*
-	 * determine [first] and [last]
-	 */
-	if (*argptr == NULL) {
-		firststr = lflg ? "-16" : "-1";
-		laststr = "-1";
-	} else if (argptr[1] == NULL) {
-		firststr = argptr[0];
-		laststr = lflg ? "-1" : argptr[0];
-	} else if (argptr[2] == NULL) {
-		firststr = argptr[0];
-		laststr = argptr[1];
-	} else
-		error("too many arguments");
-	/*
-	 * Turn into event numbers.
-	 */
-	first = str_to_event(firststr, 0);
-	last = str_to_event(laststr, 1);
-
-	if (rflg) {
-		i = last;
-		last = first;
-		first = i;
-	}
-	/*
-	 * XXX - this should not depend on the event numbers
-	 * always increasing.  Add sequence numbers or offset
-	 * to the history element in next (diskbased) release.
-	 */
-	direction = first < last ? H_PREV : H_NEXT;
-
-	/*
-	 * If editing, grab a temp file.
-	 */
-	if (editor) {
-		int fd;
-		INTOFF;		/* easier */
-		sprintf(editfilestr, "%s/_shXXXXXX", _PATH_TMP);
-		if ((fd = mkstemp(editfilestr)) < 0)
-			error("can't create temporary file %s", editfile);
-		editfile = editfilestr;
-		if ((efp = fdopen(fd, "w")) == NULL) {
-			close(fd);
-			error("Out of space");
-		}
-	}
-
-	/*
-	 * Loop through selected history events.  If listing or executing,
-	 * do it now.  Otherwise, put into temp file and call the editor
-	 * after.
-	 *
-	 * The history interface needs rethinking, as the following
-	 * convolutions will demonstrate.
-	 */
-	history(hist, &he, H_FIRST);
-	retval = history(hist, &he, H_NEXT_EVENT, first);
-	for (;retval != -1; retval = history(hist, &he, direction)) {
-		if (lflg) {
-			if (!nflg)
-				out1fmt("%5d ", he.num);
-			out1str(he.str);
-		} else {
-			const char *s = pat ?
-			   fc_replace(he.str, pat, repl) : he.str;
-
-			if (sflg) {
-				if (displayhist) {
-					out2str(s);
-					flushout(out2);
-				}
-				evalstring(s, 0);
-				if (displayhist && hist) {
-					/*
-					 *  XXX what about recursive and
-					 *  relative histnums.
-					 */
-					oldhistnum = he.num;
-					history(hist, &he, H_ENTER, s);
-					/*
-					 * XXX H_ENTER moves the internal
-					 * cursor, set it back to the current
-					 * entry.
-					 */
-					history(hist, &he,
-					    H_NEXT_EVENT, oldhistnum);
-				}
-			} else
-				fputs(s, efp);
-		}
-		/*
-		 * At end?  (if we were to lose last, we'd sure be
-		 * messed up).
-		 */
-		if (he.num == last)
-			break;
-	}
-	if (editor) {
-		char *editcmd;
-
-		fclose(efp);
-		INTON;
-		editcmd = stalloc(strlen(editor) + strlen(editfile) + 2);
-		sprintf(editcmd, "%s %s", editor, editfile);
-		evalstring(editcmd, 0);	/* XXX - should use no JC command */
-		readcmdfile(editfile);	/* XXX - should read back - quick tst */
-		unlink(editfile);
-	}
-
-	if (lflg == 0 && active > 0)
-		--active;
-	if (displayhist)
-		displayhist = 0;
-	handler = savehandler;
-	return 0;
-}
-
-static char *
-fc_replace(const char *s, char *p, char *r)
-{
-	char *dest;
-	int plen = strlen(p);
-
-	STARTSTACKSTR(dest);
-	while (*s) {
-		if (*s == *p && strncmp(s, p, plen) == 0) {
-			STPUTS(r, dest);
-			s += plen;
-			*p = '\0';	/* so no more matches */
-		} else
-			STPUTC(*s++, dest);
-	}
-	STPUTC('\0', dest);
-	dest = grabstackstr(dest);
-
-	return (dest);
-}
-
-static int
-not_fcnumber(const char *s)
-{
-	if (s == NULL)
-		return (0);
-	if (*s == '-')
-		s++;
-	return (!is_number(s));
-}
-
-static int
-str_to_event(const char *str, int last)
-{
-	HistEvent he;
-	const char *s = str;
-	int relative = 0;
-	int i, retval;
-
-	retval = history(hist, &he, H_FIRST);
-	switch (*s) {
-	case '-':
-		relative = 1;
-		/*FALLTHROUGH*/
-	case '+':
-		s++;
-	}
-	if (is_number(s)) {
-		i = atoi(s);
-		if (relative) {
-			while (retval != -1 && i--) {
-				retval = history(hist, &he, H_NEXT);
-			}
-			if (retval == -1)
-				retval = history(hist, &he, H_LAST);
-		} else {
-			retval = history(hist, &he, H_NEXT_EVENT, i);
-			if (retval == -1) {
-				/*
-				 * the notion of first and last is
-				 * backwards to that of the history package
-				 */
-				retval = history(hist, &he, last ? H_FIRST : H_LAST);
-			}
-		}
-		if (retval == -1)
-			error("history number %s not found (internal error)",
-			       str);
-	} else {
-		/*
-		 * pattern
-		 */
-		retval = history(hist, &he, H_PREV_STR, str);
-		if (retval == -1)
-			error("history pattern not found: %s", str);
-	}
-	return (he.num);
-}
-
-int
-bindcmd(int argc, char **argv)
-{
-	int ret;
-	FILE *old;
-	FILE *out;
-
-	if (el == NULL)
-		error("line editing is disabled");
-
-	INTOFF;
-
-	out = out1fp();
-	if (out == NULL)
-		error("Out of space");
-
-	el_get(el, EL_GETFP, 1, &old);
-	el_set(el, EL_SETFP, 1, out);
-
-	ret = el_parse(el, argc, (const char **)(argv));
-
-	el_set(el, EL_SETFP, 1, old);
-
-	fclose(out);
-
-	INTON;
-
-	return ret;
-}
-
-#else
-#include "error.h"
-
-int
-histcmd(int argc, char **argv)
-{
-
-	error("not compiled with history support");
-	/*NOTREACHED*/
-	return (0);
-}
-
-int
-bindcmd(int argc, char **argv)
-{
-
-	error("not compiled with line editing support");
-	return (0);
-}
-#endif