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-rw-r--r--main/editline/el.c509
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diff --git a/main/editline/el.c b/main/editline/el.c
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--- a/main/editline/el.c
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-/* $NetBSD: el.c,v 1.29 2002/03/18 16:00:52 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. 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 "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 1.29 2002/03/18 16:00:52 christos Exp $");
-#endif
-#endif /* not lint && not SCCSID */
-
-/*
- * el.c: EditLine interface functions
- */
-#include <sys/types.h>
-#include <sys/param.h>
-#include <string.h>
-#include <stdlib.h>
-#include <stdarg.h>
-#include "el.h"
-
-/* el_init():
- * Initialize editline and set default parameters.
- */
-public EditLine *
-el_init(const char *prog, FILE *fin, FILE *fout, FILE *ferr)
-{
-
- EditLine *el = (EditLine *) el_malloc(sizeof(EditLine));
-
- if (el == NULL)
- return (NULL);
-
- memset(el, 0, sizeof(EditLine));
-
- el->el_infd = fileno(fin);
- el->el_outfile = fout;
- el->el_errfile = ferr;
- el->el_prog = strdup(prog);
-
- /*
- * Initialize all the modules. Order is important!!!
- */
- el->el_flags = 0;
-
- if (term_init(el) == -1) {
- free(el->el_prog);
- el_free(el);
- return NULL;
- }
- (void) key_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) read_init(el);
-
- return (el);
-}
-
-
-/* el_end():
- * Clean up.
- */
-public void
-el_end(EditLine *el)
-{
-
- if (el == NULL)
- return;
-
- el_reset(el);
-
- term_end(el);
- key_end(el);
- map_end(el);
- tty_end(el);
- ch_end(el);
- search_end(el);
- hist_end(el);
- prompt_end(el);
- sig_end(el);
-
- if (el->el_prog)
- el_free((ptr_t) el->el_prog);
- el_free((ptr_t) el);
-}
-
-
-/* el_reset():
- * Reset the tty and the parser
- */
-public void
-el_reset(EditLine *el)
-{
-
- tty_cookedmode(el);
- ch_reset(el); /* XXX: Do we want that? */
-}
-
-
-/* el_set():
- * set the editline parameters
- */
-public int
-el_set(EditLine *el, int op, ...)
-{
- va_list va;
- int rv = 0;
-
- if (el == NULL)
- return (-1);
- va_start(va, op);
-
- switch (op) {
- case EL_PROMPT:
- case EL_RPROMPT:
- rv = prompt_set(el, va_arg(va, el_pfunc_t), op);
- break;
-
- case EL_TERMINAL:
- rv = term_set(el, va_arg(va, char *));
- break;
-
- case EL_EDITOR:
- rv = map_set_editor(el, va_arg(va, char *));
- break;
-
- case EL_SIGNAL:
- if (va_arg(va, 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 char *argv[20];
- int i;
-
- for (i = 1; i < 20; i++)
- if ((argv[i] = va_arg(va, char *)) == NULL)
- break;
-
- switch (op) {
- case EL_BIND:
- argv[0] = "bind";
- rv = map_bind(el, i, argv);
- break;
-
- case EL_TELLTC:
- argv[0] = "telltc";
- rv = term_telltc(el, i, argv);
- break;
-
- case EL_SETTC:
- argv[0] = "settc";
- rv = term_settc(el, i, argv);
- break;
-
- case EL_ECHOTC:
- argv[0] = "echotc";
- rv = term_echotc(el, i, argv);
- break;
-
- case EL_SETTY:
- argv[0] = "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:
- {
- char *name = va_arg(va, char *);
- char *help = va_arg(va, char *);
- el_func_t func = va_arg(va, el_func_t);
-
- rv = map_addfunc(el, name, help, func);
- break;
- }
-
- case EL_HIST:
- {
- hist_fun_t func = va_arg(va, hist_fun_t);
- ptr_t ptr = va_arg(va, char *);
-
- rv = hist_set(el, func, ptr);
- break;
- }
-
- case EL_EDITMODE:
- if (va_arg(va, int))
- el->el_flags &= ~EDIT_DISABLED;
- else
- el->el_flags |= EDIT_DISABLED;
- rv = 0;
- break;
-
- case EL_GETCFN:
- {
- el_rfunc_t rc = va_arg(va, el_rfunc_t);
- rv = el_read_setfn(el, rc);
- break;
- }
-
- case EL_CLIENTDATA:
- el->el_data = va_arg(va, void *);
- break;
-
- default:
- rv = -1;
- break;
- }
-
- va_end(va);
- return (rv);
-}
-
-
-/* el_get():
- * retrieve the editline parameters
- */
-public int
-el_get(EditLine *el, int op, void *ret)
-{
- int rv;
-
- if (el == NULL || ret == NULL)
- return (-1);
- switch (op) {
- case EL_PROMPT:
- case EL_RPROMPT:
- rv = prompt_get(el, (el_pfunc_t *) & ret, op);
- break;
-
- case EL_EDITOR:
- rv = map_get_editor(el, (const char **) &ret);
- break;
-
- case EL_SIGNAL:
- *((int *) ret) = (el->el_flags & HANDLE_SIGNALS);
- rv = 0;
- break;
-
- case EL_EDITMODE:
- *((int *) ret) = (!(el->el_flags & EDIT_DISABLED));
- rv = 0;
- break;
-
-#if 0 /* XXX */
- case EL_TERMINAL:
- rv = term_get(el, (const char *) &ret);
- break;
-
- case EL_BIND:
- case EL_TELLTC:
- case EL_SETTC:
- case EL_ECHOTC:
- case EL_SETTY:
- {
- char *argv[20];
- int i;
-
- for (i = 1; i < 20; i++)
- if ((argv[i] = va_arg(va, char *)) == NULL)
- break;
-
- switch (op) {
- case EL_BIND:
- argv[0] = "bind";
- rv = map_bind(el, i, argv);
- break;
-
- case EL_TELLTC:
- argv[0] = "telltc";
- rv = term_telltc(el, i, argv);
- break;
-
- case EL_SETTC:
- argv[0] = "settc";
- rv = term_settc(el, i, argv);
- break;
-
- case EL_ECHOTC:
- argv[0] = "echotc";
- rv = term_echotc(el, i, argv);
- break;
-
- case EL_SETTY:
- argv[0] = "setty";
- rv = tty_stty(el, i, argv);
- break;
-
- default:
- rv = -1;
- EL_ABORT((el->errfile, "Bad op %d\n", op));
- break;
- }
- break;
- }
-
- case EL_ADDFN:
- {
- char *name = va_arg(va, char *);
- char *help = va_arg(va, char *);
- el_func_t func = va_arg(va, el_func_t);
-
- rv = map_addfunc(el, name, help, func);
- break;
- }
-
- case EL_HIST:
- {
- hist_fun_t func = va_arg(va, hist_fun_t);
- ptr_t ptr = va_arg(va, char *);
- rv = hist_set(el, func, ptr);
- }
- break;
-#endif /* XXX */
-
- case EL_GETCFN:
- *((el_rfunc_t *)ret) = el_read_getfn(el);
- rv = 0;
- break;
-
- case EL_CLIENTDATA:
- *((void **)ret) = el->el_data;
- rv = 0;
- break;
-
- default:
- rv = -1;
- }
-
- return (rv);
-}
-
-
-/* el_line():
- * Return editing info
- */
-public const LineInfo *
-el_line(EditLine *el)
-{
-
- return (const LineInfo *) (void *) &el->el_line;
-}
-
-
-/* el_source():
- * Source a file
- */
-public int
-el_source(EditLine *el, const char *fname)
-{
- FILE *fp;
- size_t len;
- char *ptr;
-
- fp = NULL;
- if (fname == NULL) {
-#ifdef HAVE_ISSETUGID
- static const char elpath[] = "/.editrc";
- char path[MAXPATHLEN];
-
- if (issetugid())
- return (-1);
- if ((ptr = getenv("HOME")) == NULL)
- return (-1);
- if (strlcpy(path, ptr, sizeof(path)) >= sizeof(path))
- return (-1);
- if (strlcat(path, elpath, sizeof(path)) >= sizeof(path))
- return (-1);
- 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 (fp == NULL)
- fp = fopen(fname, "r");
- if (fp == NULL)
- return (-1);
-
- while ((ptr = fgetln(fp, &len)) != NULL) {
- if (len > 0 && ptr[len - 1] == '\n')
- --len;
- ptr[len] = '\0';
- if (parse_line(el, ptr) == -1) {
- (void) fclose(fp);
- return (-1);
- }
- }
-
- (void) fclose(fp);
- return (0);
-}
-
-
-/* el_resize():
- * Called from program when terminal is resized
- */
-public 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 (term_get_size(el, &lins, &cols))
- term_change_size(el, lins, cols);
-
- (void) sigprocmask(SIG_SETMASK, &oset, NULL);
-}
-
-
-/* el_beep():
- * Called from the program to beep
- */
-public void
-el_beep(EditLine *el)
-{
-
- term_beep(el);
-}
-
-
-/* el_editmode()
- * Set the state of EDIT_DISABLED from the `edit' command.
- */
-protected int
-/*ARGSUSED*/
-el_editmode(EditLine *el, int argc, const char **argv)
-{
- const char *how;
-
- if (argv == NULL || argc != 2 || argv[1] == NULL)
- return (-1);
-
- how = argv[1];
- if (strcmp(how, "on") == 0)
- el->el_flags &= ~EDIT_DISABLED;
- else if (strcmp(how, "off") == 0)
- el->el_flags |= EDIT_DISABLED;
- else {
- (void) fprintf(el->el_errfile, "edit: Bad value `%s'.\n", how);
- return (-1);
- }
- return (0);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-23 13:22:01 +0000