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-rw-r--r--release/picobsd/tinyware/ash/histedit.c501
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diff --git a/release/picobsd/tinyware/ash/histedit.c b/release/picobsd/tinyware/ash/histedit.c
deleted file mode 100644
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--- a/release/picobsd/tinyware/ash/histedit.c
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@@ -1,501 +0,0 @@
-/* $NetBSD: histedit.c,v 1.14 1997/07/04 21:02:02 christos Exp $ */
-
-/*-
- * 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. 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.
- */
-
-#include <sys/cdefs.h>
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)histedit.c 8.2 (Berkeley) 5/4/95";
-#else
-__RCSID("$NetBSD: histedit.c,v 1.14 1997/07/04 21:02:02 christos Exp $");
-#endif
-#endif /* not lint */
-
-#include <sys/param.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 SMALL
-#include "myhistedit.h"
-#include "error.h"
-#include "eval.h"
-#include "memalloc.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;
-
-STATIC char *fc_replace __P((const char *, char *, char *));
-
-/*
- * Set history and editing status. Called whenever the status may
- * have changed (figures out what to do).
- */
-void
-histedit()
-{
-
-#define editing (Eflag || Vflag)
-
- if (iflag) {
- if (!hist) {
- /*
- * turn history on
- */
- INTOFF;
- hist = history_init();
- INTON;
-
- if (hist != NULL)
- sethistsize(histsizeval());
- else
- out2str("sh: can't initialize history\n");
- }
- if (editing && !el && isatty(0)) { /* && isatty(2) ??? */
- /*
- * turn editing on
- */
- INTOFF;
- if (el_in == NULL)
- el_in = fdopen(0, "r");
- if (el_out == NULL)
- el_out = fdopen(2, "w");
- if (el_in == NULL || el_out == NULL)
- goto bad;
- el = el_init(arg0, el_in, el_out);
- if (el != NULL) {
- if (hist)
- el_set(el, EL_HIST, history, hist);
- el_set(el, EL_PROMPT, getprompt);
- } else {
-bad:
- out2str("sh: can't initialize editing\n");
- }
- INTON;
- } else if (!editing && el) {
- INTOFF;
- el_end(el);
- el = NULL;
- INTON;
- }
- if (el) {
- if (Vflag)
- el_set(el, EL_EDITOR, "vi");
- else if (Eflag)
- el_set(el, EL_EDITOR, "emacs");
- }
- } else {
- INTOFF;
- if (el) { /* no editing if not interactive */
- el_end(el);
- el = NULL;
- }
- if (hist) {
- history_end(hist);
- hist = NULL;
- }
- INTON;
- }
-}
-
-
-void
-sethistsize(hs)
- const char *hs;
-{
- int histsize;
-
- if (hist != NULL) {
- if (hs == NULL || *hs == '\0' ||
- (histsize = atoi(hs)) < 0)
- histsize = 100;
- history(hist, H_EVENT, histsize);
- }
-}
-
-void
-setterm(term)
- const char *term;
-{
- if (el != NULL && term != NULL)
- if (el_set(el, EL_TERMINAL, term) != 0) {
- outfmt(out2, "sh: Can't set terminal type %s\n", term);
- outfmt(out2, "sh: Using dumb terminal settings.\n");
- }
-}
-
-/*
- * This command is provided since POSIX decided to standardize
- * the Korn shell fc command. Oh well...
- */
-int
-histcmd(argc, argv)
- int argc;
- char **argv;
-{
- extern char *optarg;
- extern int optind, optopt, optreset;
- int ch;
- char *editor = NULL;
- const HistEvent *he;
- int lflg = 0, nflg = 0, rflg = 0, sflg = 0;
- int i;
- char *firststr, *laststr;
- int first, last, direction;
- char *pat = NULL, *repl; /* ksh "fc old=new" crap */
- static int active = 0;
- struct jmploc jmploc;
- struct jmploc *volatile savehandler;
- char editfile[MAXPATHLEN + 1];
- FILE *efp;
-#ifdef __GNUC__
- /* Avoid longjmp clobbering */
- (void) &editor;
- (void) &lflg;
- (void) &nflg;
- (void) &rflg;
- (void) &sflg;
- (void) &firststr;
- (void) &laststr;
- (void) &pat;
- (void) &repl;
- (void) &efp;
- (void) &argc;
- (void) &argv;
-#endif
-
- if (hist == NULL)
- error("history not active");
-
- if (argc == 1)
- error("missing history argument");
-
- optreset = 1; optind = 1; /* initialize getopt */
- while (not_fcnumber(argv[optind]) &&
- (ch = getopt(argc, argv, ":e:lnrs")) != EOF)
- switch ((char)ch) {
- case 'e':
- editor = optarg;
- break;
- case 'l':
- lflg = 1;
- break;
- case 'n':
- nflg = 1;
- break;
- case 'r':
- rflg = 1;
- break;
- case 's':
- sflg = 1;
- break;
- case ':':
- error("option -%c expects argument", optopt);
- case '?':
- default:
- error("unknown option: -%c", optopt);
- }
- argc -= optind, argv += optind;
-
- /*
- * If executing...
- */
- if (lflg == 0 || editor || sflg) {
- lflg = 0; /* ignore */
- editfile[0] = '\0';
- /*
- * 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);
- }
- savehandler = handler;
- 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 && argc > 0 &&
- ((repl = strchr(argv[0], '=')) != NULL)) {
- pat = argv[0];
- *repl++ = '\0';
- argc--, argv++;
- }
- /*
- * determine [first] and [last]
- */
- switch (argc) {
- case 0:
- firststr = lflg ? "-16" : "-1";
- laststr = "-1";
- break;
- case 1:
- firststr = argv[0];
- laststr = lflg ? "-1" : argv[0];
- break;
- case 2:
- firststr = argv[0];
- laststr = argv[1];
- break;
- default:
- error("too many args");
- }
- /*
- * 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(editfile, "%s/_shXXXXXX", _PATH_TMP);
- if ((fd = mkstemp(editfile)) < 0)
- error("can't create temporary file %s", editfile);
- if ((efp = fdopen(fd, "w")) == NULL) {
- close(fd);
- error("can't allocate stdio buffer for temp");
- }
- }
-
- /*
- * 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, H_FIRST);
- he = history(hist, H_NEXT_EVENT, first);
- for (;he != NULL; he = history(hist, direction)) {
- if (lflg) {
- if (!nflg)
- out1fmt("%5d ", he->num);
- out1str(he->str);
- } else {
- char *s = pat ?
- fc_replace(he->str, pat, repl) : (char *)he->str;
-
- if (sflg) {
- if (displayhist) {
- out2str(s);
- }
- evalstring(s);
- if (displayhist && hist) {
- /*
- * XXX what about recursive and
- * relative histnums.
- */
- history(hist, H_ENTER, s);
- }
- } else
- fputs(s, efp);
- }
- /*
- * At end? (if we were to loose last, we'd sure be
- * messed up).
- */
- if (he->num == last)
- break;
- }
- if (editor) {
- char *editcmd;
-
- fclose(efp);
- editcmd = stalloc(strlen(editor) + strlen(editfile) + 2);
- sprintf(editcmd, "%s %s", editor, editfile);
- evalstring(editcmd); /* XXX - should use no JC command */
- INTON;
- readcmdfile(editfile); /* XXX - should read back - quick tst */
- unlink(editfile);
- }
-
- if (lflg == 0 && active > 0)
- --active;
- if (displayhist)
- displayhist = 0;
- return 0;
-}
-
-STATIC char *
-fc_replace(s, p, r)
- const char *s;
- char *p, *r;
-{
- char *dest;
- int plen = strlen(p);
-
- STARTSTACKSTR(dest);
- while (*s) {
- if (*s == *p && strncmp(s, p, plen) == 0) {
- while (*r)
- STPUTC(*r++, dest);
- s += plen;
- *p = '\0'; /* so no more matches */
- } else
- STPUTC(*s++, dest);
- }
- STACKSTRNUL(dest);
- dest = grabstackstr(dest);
-
- return (dest);
-}
-
-int
-not_fcnumber(s)
- char *s;
-{
- if (s == NULL)
- return 0;
- if (*s == '-')
- s++;
- return (!is_number(s));
-}
-
-int
-str_to_event(str, last)
- char *str;
- int last;
-{
- const HistEvent *he;
- char *s = str;
- int relative = 0;
- int i;
-
- he = history(hist, H_FIRST);
- switch (*s) {
- case '-':
- relative = 1;
- /*FALLTHROUGH*/
- case '+':
- s++;
- }
- if (is_number(s)) {
- i = atoi(s);
- if (relative) {
- while (he != NULL && i--) {
- he = history(hist, H_NEXT);
- }
- if (he == NULL)
- he = history(hist, H_LAST);
- } else {
- he = history(hist, H_NEXT_EVENT, i);
- if (he == NULL) {
- /*
- * the notion of first and last is
- * backwards to that of the history package
- */
- he = history(hist, last ? H_FIRST : H_LAST);
- }
- }
- if (he == NULL)
- error("history number %s not found (internal error)",
- str);
- } else {
- /*
- * pattern
- */
- he = history(hist, H_PREV_STR, str);
- if (he == NULL)
- error("history pattern not found: %s", str);
- }
- return (he->num);
-}
-#else
-int
-histcmd(argc, argv)
- int argc;
- char **argv;
-{
- error("not compiled with history support");
-}
-#endif
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