Remove vendored libedit

1 files changed, 0 insertions, 649 deletions

diff --git a/bin/1sh/libedit/el.c b/bin/1sh/libedit/el.c
deleted file mode 100644
index c30f50ca..00000000
--- a/bin/1sh/libedit/el.c
+++ /dev/null
@@ -1,649 +0,0 @@
-/*	$NetBSD: el.c,v 1.92.8.1 2017/07/23 14:41:26 snj 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[] = "@(#)el.c	8.2 (Berkeley) 1/3/94";
-#else
-__RCSID("$NetBSD: el.c,v 1.92.8.1 2017/07/23 14:41:26 snj Exp $");
-#endif
-#endif /* not lint && not SCCSID */
-
-/*
- * el.c: EditLine interface functions
- */
-#include <sys/types.h>
-#include <sys/param.h>
-#include <ctype.h>
-#include <langinfo.h>
-#include <locale.h>
-#include <stdarg.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "el.h"
-#include "parse.h"
-#include "read.h"
-
-/* el_init():
- *	Initialize editline and set default parameters.
- */
-EditLine *
-el_init(const char *prog, FILE *fin, FILE *fout, FILE *ferr)
-{
-    return el_init_fd(prog, fin, fout, ferr, fileno(fin), fileno(fout),
-	fileno(ferr));
-}
-
-EditLine *
-el_init_fd(const char *prog, FILE *fin, FILE *fout, FILE *ferr,
-    int fdin, int fdout, int fderr)
-{
-	EditLine *el = el_malloc(sizeof(*el));
-
-	if (el == NULL)
-		return NULL;
-
-	memset(el, 0, sizeof(EditLine));
-
-	el->el_infile = fin;
-	el->el_outfile = fout;
-	el->el_errfile = ferr;
-
-	el->el_infd = fdin;
-	el->el_outfd = fdout;
-	el->el_errfd = fderr;
-
-	el->el_prog = wcsdup(ct_decode_string(prog, &el->el_scratch));
-	if (el->el_prog == NULL) {
-		el_free(el);
-		return NULL;
-	}
-
-	/*
-         * Initialize all the modules. Order is important!!!
-         */
-	el->el_flags = 0;
-	if (setlocale(LC_CTYPE, NULL) != NULL){
-		if (strcmp(nl_langinfo(CODESET), "UTF-8") == 0)
-			el->el_flags |= CHARSET_IS_UTF8;
-	}
-
-	if (terminal_init(el) == -1) {
-		el_free(el->el_prog);
-		el_free(el);
-		return NULL;
-	}
-	(void) keymacro_init(el);
-	(void) map_init(el);
-	if (tty_init(el) == -1)
-		el->el_flags |= NO_TTY;
-	(void) ch_init(el);
-	(void) search_init(el);
-	(void) hist_init(el);
-	(void) prompt_init(el);
-	(void) sig_init(el);
-	(void) literal_init(el);
-	if (read_init(el) == -1) {
-		el_end(el);
-		return NULL;
-	}
-	return el;
-}
-
-
-/* el_end():
- *	Clean up.
- */
-void
-el_end(EditLine *el)
-{
-
-	if (el == NULL)
-		return;
-
-	el_reset(el);
-
-	terminal_end(el);
-	keymacro_end(el);
-	map_end(el);
-	if (!(el->el_flags & NO_TTY))
-		tty_end(el);
-	ch_end(el);
-	read_end(el->el_read);
-	search_end(el);
-	hist_end(el);
-	prompt_end(el);
-	sig_end(el);
-	literal_end(el);
-
-	el_free(el->el_prog);
-	el_free(el->el_visual.cbuff);
-	el_free(el->el_visual.wbuff);
-	el_free(el->el_scratch.cbuff);
-	el_free(el->el_scratch.wbuff);
-	el_free(el->el_lgcyconv.cbuff);
-	el_free(el->el_lgcyconv.wbuff);
-	el_free(el);
-}
-
-
-/* el_reset():
- *	Reset the tty and the parser
- */
-void
-el_reset(EditLine *el)
-{
-
-	tty_cookedmode(el);
-	ch_reset(el);		/* XXX: Do we want that? */
-}
-
-
-/* el_set():
- *	set the editline parameters
- */
-int
-el_wset(EditLine *el, int op, ...)
-{
-	va_list ap;
-	int rv = 0;
-
-	if (el == NULL)
-		return -1;
-	va_start(ap, op);
-
-	switch (op) {
-	case EL_PROMPT:
-	case EL_RPROMPT: {
-		el_pfunc_t p = va_arg(ap, el_pfunc_t);
-
-		rv = prompt_set(el, p, 0, op, 1);
-		break;
-	}
-
-	case EL_RESIZE: {
-		el_zfunc_t p = va_arg(ap, el_zfunc_t);
-		void *arg = va_arg(ap, void *);
-		rv = ch_resizefun(el, p, arg);
-		break;
-	}
-
-	case EL_ALIAS_TEXT: {
-		el_afunc_t p = va_arg(ap, el_afunc_t);
-		void *arg = va_arg(ap, void *);
-		rv = ch_aliasfun(el, p, arg);
-		break;
-	}
-
-	case EL_PROMPT_ESC:
-	case EL_RPROMPT_ESC: {
-		el_pfunc_t p = va_arg(ap, el_pfunc_t);
-		int c = va_arg(ap, int);
-
-		rv = prompt_set(el, p, (wchar_t)c, op, 1);
-		break;
-	}
-
-	case EL_TERMINAL:
-		rv = terminal_set(el, va_arg(ap, char *));
-		break;
-
-	case EL_EDITOR:
-		rv = map_set_editor(el, va_arg(ap, wchar_t *));
-		break;
-
-	case EL_SIGNAL:
-		if (va_arg(ap, int))
-			el->el_flags |= HANDLE_SIGNALS;
-		else
-			el->el_flags &= ~HANDLE_SIGNALS;
-		break;
-
-	case EL_BIND:
-	case EL_TELLTC:
-	case EL_SETTC:
-	case EL_ECHOTC:
-	case EL_SETTY:
-	{
-		const wchar_t *argv[20];
-		int i;
-
-		for (i = 1; i < (int)__arraycount(argv); i++)
-			if ((argv[i] = va_arg(ap, wchar_t *)) == NULL)
-				break;
-
-		switch (op) {
-		case EL_BIND:
-			argv[0] = L"bind";
-			rv = map_bind(el, i, argv);
-			break;
-
-		case EL_TELLTC:
-			argv[0] = L"telltc";
-			rv = terminal_telltc(el, i, argv);
-			break;
-
-		case EL_SETTC:
-			argv[0] = L"settc";
-			rv = terminal_settc(el, i, argv);
-			break;
-
-		case EL_ECHOTC:
-			argv[0] = L"echotc";
-			rv = terminal_echotc(el, i, argv);
-			break;
-
-		case EL_SETTY:
-			argv[0] = L"setty";
-			rv = tty_stty(el, i, argv);
-			break;
-
-		default:
-			rv = -1;
-			EL_ABORT((el->el_errfile, "Bad op %d\n", op));
-			break;
-		}
-		break;
-	}
-
-	case EL_ADDFN:
-	{
-		wchar_t *name = va_arg(ap, wchar_t *);
-		wchar_t *help = va_arg(ap, wchar_t *);
-		el_func_t func = va_arg(ap, el_func_t);
-
-		rv = map_addfunc(el, name, help, func);
-		break;
-	}
-
-	case EL_HIST:
-	{
-		hist_fun_t func = va_arg(ap, hist_fun_t);
-		void *ptr = va_arg(ap, void *);
-
-		rv = hist_set(el, func, ptr);
-		if (!(el->el_flags & CHARSET_IS_UTF8))
-			el->el_flags &= ~NARROW_HISTORY;
-		break;
-	}
-
-	case EL_EDITMODE:
-		if (va_arg(ap, int))
-			el->el_flags &= ~EDIT_DISABLED;
-		else
-			el->el_flags |= EDIT_DISABLED;
-		rv = 0;
-		break;
-
-	case EL_GETCFN:
-	{
-		el_rfunc_t rc = va_arg(ap, el_rfunc_t);
-		rv = el_read_setfn(el->el_read, rc);
-		break;
-	}
-
-	case EL_CLIENTDATA:
-		el->el_data = va_arg(ap, void *);
-		break;
-
-	case EL_UNBUFFERED:
-		rv = va_arg(ap, int);
-		if (rv && !(el->el_flags & UNBUFFERED)) {
-			el->el_flags |= UNBUFFERED;
-			read_prepare(el);
-		} else if (!rv && (el->el_flags & UNBUFFERED)) {
-			el->el_flags &= ~UNBUFFERED;
-			read_finish(el);
-		}
-		rv = 0;
-		break;
-
-	case EL_PREP_TERM:
-		rv = va_arg(ap, int);
-		if (rv)
-			(void) tty_rawmode(el);
-		else
-			(void) tty_cookedmode(el);
-		rv = 0;
-		break;
-
-	case EL_SETFP:
-	{
-		FILE *fp;
-		int what;
-
-		what = va_arg(ap, int);
-		fp = va_arg(ap, FILE *);
-
-		rv = 0;
-		switch (what) {
-		case 0:
-			el->el_infile = fp;
-			el->el_infd = fileno(fp);
-			break;
-		case 1:
-			el->el_outfile = fp;
-			el->el_outfd = fileno(fp);
-			break;
-		case 2:
-			el->el_errfile = fp;
-			el->el_errfd = fileno(fp);
-			break;
-		default:
-			rv = -1;
-			break;
-		}
-		break;
-	}
-
-	case EL_REFRESH:
-		re_clear_display(el);
-		re_refresh(el);
-		terminal__flush(el);
-		break;
-
-	default:
-		rv = -1;
-		break;
-	}
-
-	va_end(ap);
-	return rv;
-}
-
-
-/* el_get():
- *	retrieve the editline parameters
- */
-int
-el_wget(EditLine *el, int op, ...)
-{
-	va_list ap;
-	int rv;
-
-	if (el == NULL)
-		return -1;
-
-	va_start(ap, op);
-
-	switch (op) {
-	case EL_PROMPT:
-	case EL_RPROMPT: {
-		el_pfunc_t *p = va_arg(ap, el_pfunc_t *);
-		rv = prompt_get(el, p, 0, op);
-		break;
-	}
-	case EL_PROMPT_ESC:
-	case EL_RPROMPT_ESC: {
-		el_pfunc_t *p = va_arg(ap, el_pfunc_t *);
-		wchar_t *c = va_arg(ap, wchar_t *);
-
-		rv = prompt_get(el, p, c, op);
-		break;
-	}
-
-	case EL_EDITOR:
-		rv = map_get_editor(el, va_arg(ap, const wchar_t **));
-		break;
-
-	case EL_SIGNAL:
-		*va_arg(ap, int *) = (el->el_flags & HANDLE_SIGNALS);
-		rv = 0;
-		break;
-
-	case EL_EDITMODE:
-		*va_arg(ap, int *) = !(el->el_flags & EDIT_DISABLED);
-		rv = 0;
-		break;
-
-	case EL_TERMINAL:
-		terminal_get(el, va_arg(ap, const char **));
-		rv = 0;
-		break;
-
-	case EL_GETTC:
-	{
-		static char name[] = "gettc";
-		char *argv[20];
-		int i;
-
-		for (i = 1; i < (int)__arraycount(argv); i++)
-			if ((argv[i] = va_arg(ap, char *)) == NULL)
-				break;
-
-		argv[0] = name;
-		rv = terminal_gettc(el, i, argv);
-		break;
-	}
-
-	case EL_GETCFN:
-		*va_arg(ap, el_rfunc_t *) = el_read_getfn(el->el_read);
-		rv = 0;
-		break;
-
-	case EL_CLIENTDATA:
-		*va_arg(ap, void **) = el->el_data;
-		rv = 0;
-		break;
-
-	case EL_UNBUFFERED:
-		*va_arg(ap, int *) = (el->el_flags & UNBUFFERED) != 0;
-		rv = 0;
-		break;
-
-	case EL_GETFP:
-	{
-		int what;
-		FILE **fpp;
-
-		what = va_arg(ap, int);
-		fpp = va_arg(ap, FILE **);
-		rv = 0;
-		switch (what) {
-		case 0:
-			*fpp = el->el_infile;
-			break;
-		case 1:
-			*fpp = el->el_outfile;
-			break;
-		case 2:
-			*fpp = el->el_errfile;
-			break;
-		default:
-			rv = -1;
-			break;
-		}
-		break;
-	}
-	default:
-		rv = -1;
-		break;
-	}
-	va_end(ap);
-
-	return rv;
-}
-
-
-/* el_line():
- *	Return editing info
- */
-const LineInfoW *
-el_wline(EditLine *el)
-{
-
-	return (const LineInfoW *)(void *)&el->el_line;
-}
-
-
-/* el_source():
- *	Source a file
- */
-int
-el_source(EditLine *el, const char *fname)
-{
-	FILE *fp;
-	size_t len;
-	ssize_t slen;
-	char *ptr;
-	char *path = NULL;
-	const wchar_t *dptr;
-	int error = 0;
-
-	fp = NULL;
-	if (fname == NULL) {
-#ifdef HAVE_ISSETUGID
-		if (issetugid())
-			return -1;
-
-		if ((fname = getenv("EDITRC")) == NULL) {
-			static const char elpath[] = "/.editrc";
-			size_t plen = sizeof(elpath);
-
-			if ((ptr = getenv("HOME")) == NULL)
-				return -1;
-			plen += strlen(ptr);
-			if ((path = el_malloc(plen * sizeof(*path))) == NULL)
-				return -1;
-			(void)snprintf(path, plen, "%s%s", ptr,
-				elpath + (*ptr == '\0'));
-			fname = path;
-		}
-#else
-		/*
-		 * If issetugid() is missing, always return an error, in order
-		 * to keep from inadvertently opening up the user to a security
-		 * hole.
-		 */
-		return -1;
-#endif
-	}
-	if (fname[0] == '\0')
-		return -1;
-
-	if (fp == NULL)
-		fp = fopen(fname, "r");
-	if (fp == NULL) {
-		el_free(path);
-		return -1;
-	}
-
-	ptr = NULL;
-	len = 0;
-	while ((slen = getline(&ptr, &len, fp)) != -1) {
-		if (*ptr == '\n')
-			continue;	/* Empty line. */
-		if (slen > 0 && ptr[--slen] == '\n')
-			ptr[slen] = '\0';
-
-		dptr = ct_decode_string(ptr, &el->el_scratch);
-		if (!dptr)
-			continue;
-		/* loop until first non-space char or EOL */
-		while (*dptr != '\0' && iswspace(*dptr))
-			dptr++;
-		if (*dptr == '#')
-			continue;   /* ignore, this is a comment line */
-		if ((error = parse_line(el, dptr)) == -1)
-			break;
-	}
-	free(ptr);
-
-	el_free(path);
-	(void) fclose(fp);
-	return error;
-}
-
-
-/* el_resize():
- *	Called from program when terminal is resized
- */
-void
-el_resize(EditLine *el)
-{
-	int lins, cols;
-	sigset_t oset, nset;
-
-	(void) sigemptyset(&nset);
-	(void) sigaddset(&nset, SIGWINCH);
-	(void) sigprocmask(SIG_BLOCK, &nset, &oset);
-
-	/* get the correct window size */
-	if (terminal_get_size(el, &lins, &cols))
-		terminal_change_size(el, lins, cols);
-
-	(void) sigprocmask(SIG_SETMASK, &oset, NULL);
-}
-
-
-/* el_beep():
- *	Called from the program to beep
- */
-void
-el_beep(EditLine *el)
-{
-
-	terminal_beep(el);
-}
-
-
-/* el_editmode()
- *	Set the state of EDIT_DISABLED from the `edit' command.
- */
-libedit_private int
-/*ARGSUSED*/
-el_editmode(EditLine *el, int argc, const wchar_t **argv)
-{
-	const wchar_t *how;
-
-	if (argv == NULL || argc != 2 || argv[1] == NULL)
-		return -1;
-
-	how = argv[1];
-	if (wcscmp(how, L"on") == 0) {
-		el->el_flags &= ~EDIT_DISABLED;
-		tty_rawmode(el);
-	} else if (wcscmp(how, L"off") == 0) {
-		tty_cookedmode(el);
-		el->el_flags |= EDIT_DISABLED;
-	}
-	else {
-		(void) fprintf(el->el_errfile, "edit: Bad value `%ls'.\n",
-		    how);
-		return -1;
-	}
-	return 0;
-}