el.c revision 1.47 1 1.47 lukem /* $NetBSD: el.c,v 1.47 2009/01/18 12:17:24 lukem Exp $ */
2 1.2 lukem
3 1.1 cgd /*-
4 1.1 cgd * Copyright (c) 1992, 1993
5 1.1 cgd * The Regents of the University of California. All rights reserved.
6 1.1 cgd *
7 1.1 cgd * This code is derived from software contributed to Berkeley by
8 1.1 cgd * Christos Zoulas of Cornell University.
9 1.1 cgd *
10 1.1 cgd * Redistribution and use in source and binary forms, with or without
11 1.1 cgd * modification, are permitted provided that the following conditions
12 1.1 cgd * are met:
13 1.1 cgd * 1. Redistributions of source code must retain the above copyright
14 1.1 cgd * notice, this list of conditions and the following disclaimer.
15 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 cgd * notice, this list of conditions and the following disclaimer in the
17 1.1 cgd * documentation and/or other materials provided with the distribution.
18 1.32 agc * 3. Neither the name of the University nor the names of its contributors
19 1.1 cgd * may be used to endorse or promote products derived from this software
20 1.1 cgd * without specific prior written permission.
21 1.1 cgd *
22 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 1.1 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 1.1 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 1.1 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 1.1 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 1.1 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 1.1 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 1.1 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 1.1 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 1.1 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 1.1 cgd * SUCH DAMAGE.
33 1.1 cgd */
34 1.1 cgd
35 1.29 christos #include "config.h"
36 1.1 cgd #if !defined(lint) && !defined(SCCSID)
37 1.2 lukem #if 0
38 1.1 cgd static char sccsid[] = "@(#)el.c 8.2 (Berkeley) 1/3/94";
39 1.2 lukem #else
40 1.47 lukem __RCSID("$NetBSD: el.c,v 1.47 2009/01/18 12:17:24 lukem Exp $");
41 1.2 lukem #endif
42 1.1 cgd #endif /* not lint && not SCCSID */
43 1.1 cgd
44 1.1 cgd /*
45 1.1 cgd * el.c: EditLine interface functions
46 1.1 cgd */
47 1.1 cgd #include <sys/types.h>
48 1.1 cgd #include <sys/param.h>
49 1.1 cgd #include <string.h>
50 1.1 cgd #include <stdlib.h>
51 1.19 lukem #include <stdarg.h>
52 1.1 cgd #include "el.h"
53 1.1 cgd
54 1.1 cgd /* el_init():
55 1.1 cgd * Initialize editline and set default parameters.
56 1.1 cgd */
57 1.1 cgd public EditLine *
58 1.19 lukem el_init(const char *prog, FILE *fin, FILE *fout, FILE *ferr)
59 1.1 cgd {
60 1.18 chuck
61 1.19 lukem EditLine *el = (EditLine *) el_malloc(sizeof(EditLine));
62 1.1 cgd
63 1.19 lukem if (el == NULL)
64 1.19 lukem return (NULL);
65 1.1 cgd
66 1.19 lukem memset(el, 0, sizeof(EditLine));
67 1.1 cgd
68 1.44 christos el->el_infile = fin;
69 1.19 lukem el->el_outfile = fout;
70 1.19 lukem el->el_errfile = ferr;
71 1.44 christos
72 1.44 christos el->el_infd = fileno(fin);
73 1.44 christos
74 1.36 christos if ((el->el_prog = el_strdup(prog)) == NULL) {
75 1.36 christos el_free(el);
76 1.36 christos return NULL;
77 1.36 christos }
78 1.19 lukem
79 1.19 lukem /*
80 1.19 lukem * Initialize all the modules. Order is important!!!
81 1.19 lukem */
82 1.19 lukem el->el_flags = 0;
83 1.19 lukem
84 1.25 christos if (term_init(el) == -1) {
85 1.36 christos el_free(el->el_prog);
86 1.25 christos el_free(el);
87 1.25 christos return NULL;
88 1.25 christos }
89 1.19 lukem (void) key_init(el);
90 1.19 lukem (void) map_init(el);
91 1.19 lukem if (tty_init(el) == -1)
92 1.19 lukem el->el_flags |= NO_TTY;
93 1.19 lukem (void) ch_init(el);
94 1.19 lukem (void) search_init(el);
95 1.19 lukem (void) hist_init(el);
96 1.19 lukem (void) prompt_init(el);
97 1.19 lukem (void) sig_init(el);
98 1.23 christos (void) read_init(el);
99 1.1 cgd
100 1.19 lukem return (el);
101 1.19 lukem }
102 1.1 cgd
103 1.1 cgd
104 1.1 cgd /* el_end():
105 1.1 cgd * Clean up.
106 1.1 cgd */
107 1.1 cgd public void
108 1.19 lukem el_end(EditLine *el)
109 1.1 cgd {
110 1.1 cgd
111 1.19 lukem if (el == NULL)
112 1.19 lukem return;
113 1.1 cgd
114 1.19 lukem el_reset(el);
115 1.19 lukem
116 1.19 lukem term_end(el);
117 1.19 lukem key_end(el);
118 1.19 lukem map_end(el);
119 1.19 lukem tty_end(el);
120 1.19 lukem ch_end(el);
121 1.19 lukem search_end(el);
122 1.19 lukem hist_end(el);
123 1.19 lukem prompt_end(el);
124 1.19 lukem sig_end(el);
125 1.19 lukem
126 1.19 lukem el_free((ptr_t) el->el_prog);
127 1.19 lukem el_free((ptr_t) el);
128 1.19 lukem }
129 1.1 cgd
130 1.1 cgd
131 1.1 cgd /* el_reset():
132 1.1 cgd * Reset the tty and the parser
133 1.1 cgd */
134 1.1 cgd public void
135 1.19 lukem el_reset(EditLine *el)
136 1.1 cgd {
137 1.19 lukem
138 1.19 lukem tty_cookedmode(el);
139 1.40 christos ch_reset(el, 0); /* XXX: Do we want that? */
140 1.1 cgd }
141 1.1 cgd
142 1.1 cgd
143 1.1 cgd /* el_set():
144 1.1 cgd * set the editline parameters
145 1.1 cgd */
146 1.1 cgd public int
147 1.1 cgd el_set(EditLine *el, int op, ...)
148 1.1 cgd {
149 1.44 christos va_list ap;
150 1.27 christos int rv = 0;
151 1.1 cgd
152 1.19 lukem if (el == NULL)
153 1.19 lukem return (-1);
154 1.44 christos va_start(ap, op);
155 1.22 wiz
156 1.19 lukem switch (op) {
157 1.19 lukem case EL_PROMPT:
158 1.19 lukem case EL_RPROMPT:
159 1.44 christos rv = prompt_set(el, va_arg(ap, el_pfunc_t), op);
160 1.19 lukem break;
161 1.13 simonb
162 1.19 lukem case EL_TERMINAL:
163 1.44 christos rv = term_set(el, va_arg(ap, char *));
164 1.19 lukem break;
165 1.1 cgd
166 1.19 lukem case EL_EDITOR:
167 1.44 christos rv = map_set_editor(el, va_arg(ap, char *));
168 1.1 cgd break;
169 1.1 cgd
170 1.19 lukem case EL_SIGNAL:
171 1.44 christos if (va_arg(ap, int))
172 1.19 lukem el->el_flags |= HANDLE_SIGNALS;
173 1.19 lukem else
174 1.19 lukem el->el_flags &= ~HANDLE_SIGNALS;
175 1.1 cgd break;
176 1.1 cgd
177 1.19 lukem case EL_BIND:
178 1.19 lukem case EL_TELLTC:
179 1.19 lukem case EL_SETTC:
180 1.42 christos case EL_GETTC:
181 1.19 lukem case EL_ECHOTC:
182 1.19 lukem case EL_SETTY:
183 1.19 lukem {
184 1.29 christos const char *argv[20];
185 1.19 lukem int i;
186 1.19 lukem
187 1.19 lukem for (i = 1; i < 20; i++)
188 1.44 christos if ((argv[i] = va_arg(ap, char *)) == NULL)
189 1.19 lukem break;
190 1.19 lukem
191 1.19 lukem switch (op) {
192 1.19 lukem case EL_BIND:
193 1.19 lukem argv[0] = "bind";
194 1.19 lukem rv = map_bind(el, i, argv);
195 1.19 lukem break;
196 1.19 lukem
197 1.19 lukem case EL_TELLTC:
198 1.19 lukem argv[0] = "telltc";
199 1.19 lukem rv = term_telltc(el, i, argv);
200 1.19 lukem break;
201 1.19 lukem
202 1.19 lukem case EL_SETTC:
203 1.19 lukem argv[0] = "settc";
204 1.19 lukem rv = term_settc(el, i, argv);
205 1.19 lukem break;
206 1.19 lukem
207 1.19 lukem case EL_ECHOTC:
208 1.19 lukem argv[0] = "echotc";
209 1.19 lukem rv = term_echotc(el, i, argv);
210 1.19 lukem break;
211 1.19 lukem
212 1.19 lukem case EL_SETTY:
213 1.19 lukem argv[0] = "setty";
214 1.19 lukem rv = tty_stty(el, i, argv);
215 1.19 lukem break;
216 1.19 lukem
217 1.19 lukem default:
218 1.19 lukem rv = -1;
219 1.20 christos EL_ABORT((el->el_errfile, "Bad op %d\n", op));
220 1.19 lukem break;
221 1.19 lukem }
222 1.1 cgd break;
223 1.19 lukem }
224 1.19 lukem
225 1.19 lukem case EL_ADDFN:
226 1.19 lukem {
227 1.44 christos char *name = va_arg(ap, char *);
228 1.44 christos char *help = va_arg(ap, char *);
229 1.44 christos el_func_t func = va_arg(ap, el_func_t);
230 1.1 cgd
231 1.19 lukem rv = map_addfunc(el, name, help, func);
232 1.1 cgd break;
233 1.19 lukem }
234 1.19 lukem
235 1.19 lukem case EL_HIST:
236 1.19 lukem {
237 1.44 christos hist_fun_t func = va_arg(ap, hist_fun_t);
238 1.44 christos ptr_t ptr = va_arg(ap, char *);
239 1.1 cgd
240 1.19 lukem rv = hist_set(el, func, ptr);
241 1.1 cgd break;
242 1.19 lukem }
243 1.1 cgd
244 1.19 lukem case EL_EDITMODE:
245 1.44 christos if (va_arg(ap, int))
246 1.19 lukem el->el_flags &= ~EDIT_DISABLED;
247 1.19 lukem else
248 1.19 lukem el->el_flags |= EDIT_DISABLED;
249 1.19 lukem rv = 0;
250 1.1 cgd break;
251 1.13 simonb
252 1.23 christos case EL_GETCFN:
253 1.23 christos {
254 1.44 christos el_rfunc_t rc = va_arg(ap, el_rfunc_t);
255 1.23 christos rv = el_read_setfn(el, rc);
256 1.23 christos break;
257 1.23 christos }
258 1.23 christos
259 1.24 christos case EL_CLIENTDATA:
260 1.44 christos el->el_data = va_arg(ap, void *);
261 1.24 christos break;
262 1.24 christos
263 1.34 christos case EL_UNBUFFERED:
264 1.44 christos rv = va_arg(ap, int);
265 1.34 christos if (rv && !(el->el_flags & UNBUFFERED)) {
266 1.34 christos el->el_flags |= UNBUFFERED;
267 1.34 christos read_prepare(el);
268 1.34 christos } else if (!rv && (el->el_flags & UNBUFFERED)) {
269 1.34 christos el->el_flags &= ~UNBUFFERED;
270 1.34 christos read_finish(el);
271 1.34 christos }
272 1.35 christos rv = 0;
273 1.35 christos break;
274 1.35 christos
275 1.35 christos case EL_PREP_TERM:
276 1.44 christos rv = va_arg(ap, int);
277 1.35 christos if (rv)
278 1.38 christos (void) tty_rawmode(el);
279 1.35 christos else
280 1.38 christos (void) tty_cookedmode(el);
281 1.34 christos rv = 0;
282 1.34 christos break;
283 1.34 christos
284 1.44 christos case EL_SETFP:
285 1.44 christos {
286 1.44 christos FILE *fp;
287 1.44 christos int what;
288 1.44 christos
289 1.44 christos what = va_arg(ap, int);
290 1.44 christos fp = va_arg(ap, FILE *);
291 1.44 christos
292 1.44 christos rv = 0;
293 1.44 christos switch (what) {
294 1.44 christos case 0:
295 1.44 christos el->el_infile = fp;
296 1.44 christos el->el_infd = fileno(fp);
297 1.44 christos break;
298 1.44 christos case 1:
299 1.44 christos el->el_outfile = fp;
300 1.44 christos break;
301 1.44 christos case 2:
302 1.44 christos el->el_errfile = fp;
303 1.44 christos break;
304 1.44 christos default:
305 1.44 christos rv = -1;
306 1.44 christos break;
307 1.44 christos }
308 1.44 christos break;
309 1.44 christos }
310 1.44 christos
311 1.45 christos case EL_REFRESH:
312 1.45 christos re_clear_display(el);
313 1.45 christos re_refresh(el);
314 1.46 christos term__flush(el);
315 1.45 christos break;
316 1.45 christos
317 1.19 lukem default:
318 1.19 lukem rv = -1;
319 1.27 christos break;
320 1.1 cgd }
321 1.1 cgd
322 1.44 christos va_end(ap);
323 1.19 lukem return (rv);
324 1.19 lukem }
325 1.1 cgd
326 1.1 cgd
327 1.10 lukem /* el_get():
328 1.10 lukem * retrieve the editline parameters
329 1.10 lukem */
330 1.10 lukem public int
331 1.42 christos el_get(EditLine *el, int op, ...)
332 1.10 lukem {
333 1.42 christos va_list ap;
334 1.19 lukem int rv;
335 1.10 lukem
336 1.42 christos if (el == NULL)
337 1.42 christos return -1;
338 1.42 christos
339 1.42 christos va_start(ap, op);
340 1.42 christos
341 1.19 lukem switch (op) {
342 1.19 lukem case EL_PROMPT:
343 1.19 lukem case EL_RPROMPT:
344 1.42 christos rv = prompt_get(el, va_arg(ap, el_pfunc_t *), op);
345 1.19 lukem break;
346 1.10 lukem
347 1.19 lukem case EL_EDITOR:
348 1.42 christos rv = map_get_editor(el, va_arg(ap, const char **));
349 1.10 lukem break;
350 1.10 lukem
351 1.19 lukem case EL_SIGNAL:
352 1.42 christos *va_arg(ap, int *) = (el->el_flags & HANDLE_SIGNALS);
353 1.19 lukem rv = 0;
354 1.10 lukem break;
355 1.10 lukem
356 1.19 lukem case EL_EDITMODE:
357 1.42 christos *va_arg(ap, int *) = !(el->el_flags & EDIT_DISABLED);
358 1.19 lukem rv = 0;
359 1.10 lukem break;
360 1.10 lukem
361 1.19 lukem case EL_TERMINAL:
362 1.42 christos term_get(el, va_arg(ap, const char **));
363 1.33 christos rv = 0;
364 1.10 lukem break;
365 1.10 lukem
366 1.42 christos case EL_GETTC:
367 1.19 lukem {
368 1.42 christos static char name[] = "gettc";
369 1.42 christos char *argv[20];
370 1.19 lukem int i;
371 1.10 lukem
372 1.47 lukem for (i = 1; i < (int)(sizeof(argv) / sizeof(argv[0])); i++)
373 1.42 christos if ((argv[i] = va_arg(ap, char *)) == NULL)
374 1.19 lukem break;
375 1.19 lukem
376 1.19 lukem switch (op) {
377 1.42 christos case EL_GETTC:
378 1.42 christos argv[0] = name;
379 1.42 christos rv = term_gettc(el, i, argv);
380 1.19 lukem break;
381 1.19 lukem
382 1.19 lukem default:
383 1.19 lukem rv = -1;
384 1.43 freza EL_ABORT((el->el_errfile, "Bad op %d\n", op));
385 1.19 lukem break;
386 1.19 lukem }
387 1.10 lukem break;
388 1.10 lukem }
389 1.13 simonb
390 1.42 christos #if 0 /* XXX */
391 1.19 lukem case EL_ADDFN:
392 1.10 lukem {
393 1.44 christos char *name = va_arg(ap, char *);
394 1.44 christos char *help = va_arg(ap, char *);
395 1.44 christos el_func_t func = va_arg(ap, el_func_t);
396 1.19 lukem
397 1.19 lukem rv = map_addfunc(el, name, help, func);
398 1.19 lukem break;
399 1.10 lukem }
400 1.10 lukem
401 1.19 lukem case EL_HIST:
402 1.19 lukem {
403 1.44 christos hist_fun_t func = va_arg(ap, hist_fun_t);
404 1.44 christos ptr_t ptr = va_arg(ap, char *);
405 1.19 lukem rv = hist_set(el, func, ptr);
406 1.19 lukem }
407 1.19 lukem break;
408 1.19 lukem #endif /* XXX */
409 1.23 christos
410 1.23 christos case EL_GETCFN:
411 1.42 christos *va_arg(ap, el_rfunc_t *) = el_read_getfn(el);
412 1.24 christos rv = 0;
413 1.24 christos break;
414 1.24 christos
415 1.24 christos case EL_CLIENTDATA:
416 1.42 christos *va_arg(ap, void **) = el->el_data;
417 1.34 christos rv = 0;
418 1.34 christos break;
419 1.34 christos
420 1.34 christos case EL_UNBUFFERED:
421 1.42 christos *va_arg(ap, int *) = (!(el->el_flags & UNBUFFERED));
422 1.23 christos rv = 0;
423 1.23 christos break;
424 1.19 lukem
425 1.44 christos case EL_GETFP:
426 1.44 christos {
427 1.44 christos int what;
428 1.44 christos FILE **fpp;
429 1.44 christos
430 1.44 christos what = va_arg(ap, int);
431 1.44 christos fpp = va_arg(ap, FILE **);
432 1.44 christos rv = 0;
433 1.44 christos switch (what) {
434 1.44 christos case 0:
435 1.44 christos *fpp = el->el_infile;
436 1.44 christos break;
437 1.44 christos case 1:
438 1.44 christos *fpp = el->el_outfile;
439 1.44 christos break;
440 1.44 christos case 2:
441 1.44 christos *fpp = el->el_errfile;
442 1.44 christos break;
443 1.44 christos default:
444 1.44 christos rv = -1;
445 1.44 christos break;
446 1.44 christos }
447 1.44 christos break;
448 1.44 christos }
449 1.19 lukem default:
450 1.19 lukem rv = -1;
451 1.44 christos break;
452 1.19 lukem }
453 1.42 christos va_end(ap);
454 1.10 lukem
455 1.19 lukem return (rv);
456 1.19 lukem }
457 1.10 lukem
458 1.10 lukem
459 1.1 cgd /* el_line():
460 1.1 cgd * Return editing info
461 1.1 cgd */
462 1.1 cgd public const LineInfo *
463 1.19 lukem el_line(EditLine *el)
464 1.1 cgd {
465 1.19 lukem
466 1.19 lukem return (const LineInfo *) (void *) &el->el_line;
467 1.1 cgd }
468 1.1 cgd
469 1.1 cgd
470 1.1 cgd /* el_source():
471 1.1 cgd * Source a file
472 1.1 cgd */
473 1.1 cgd public int
474 1.19 lukem el_source(EditLine *el, const char *fname)
475 1.1 cgd {
476 1.19 lukem FILE *fp;
477 1.19 lukem size_t len;
478 1.27 christos char *ptr;
479 1.19 lukem
480 1.19 lukem fp = NULL;
481 1.19 lukem if (fname == NULL) {
482 1.29 christos #ifdef HAVE_ISSETUGID
483 1.27 christos static const char elpath[] = "/.editrc";
484 1.27 christos char path[MAXPATHLEN];
485 1.27 christos
486 1.19 lukem if (issetugid())
487 1.19 lukem return (-1);
488 1.19 lukem if ((ptr = getenv("HOME")) == NULL)
489 1.19 lukem return (-1);
490 1.19 lukem if (strlcpy(path, ptr, sizeof(path)) >= sizeof(path))
491 1.19 lukem return (-1);
492 1.19 lukem if (strlcat(path, elpath, sizeof(path)) >= sizeof(path))
493 1.19 lukem return (-1);
494 1.19 lukem fname = path;
495 1.27 christos #else
496 1.27 christos /*
497 1.27 christos * If issetugid() is missing, always return an error, in order
498 1.27 christos * to keep from inadvertently opening up the user to a security
499 1.27 christos * hole.
500 1.27 christos */
501 1.27 christos return (-1);
502 1.27 christos #endif
503 1.19 lukem }
504 1.19 lukem if (fp == NULL)
505 1.19 lukem fp = fopen(fname, "r");
506 1.19 lukem if (fp == NULL)
507 1.19 lukem return (-1);
508 1.19 lukem
509 1.19 lukem while ((ptr = fgetln(fp, &len)) != NULL) {
510 1.19 lukem if (len > 0 && ptr[len - 1] == '\n')
511 1.19 lukem --len;
512 1.19 lukem ptr[len] = '\0';
513 1.19 lukem if (parse_line(el, ptr) == -1) {
514 1.19 lukem (void) fclose(fp);
515 1.19 lukem return (-1);
516 1.19 lukem }
517 1.1 cgd }
518 1.1 cgd
519 1.19 lukem (void) fclose(fp);
520 1.19 lukem return (0);
521 1.1 cgd }
522 1.1 cgd
523 1.1 cgd
524 1.1 cgd /* el_resize():
525 1.1 cgd * Called from program when terminal is resized
526 1.1 cgd */
527 1.1 cgd public void
528 1.19 lukem el_resize(EditLine *el)
529 1.1 cgd {
530 1.19 lukem int lins, cols;
531 1.19 lukem sigset_t oset, nset;
532 1.19 lukem
533 1.19 lukem (void) sigemptyset(&nset);
534 1.19 lukem (void) sigaddset(&nset, SIGWINCH);
535 1.19 lukem (void) sigprocmask(SIG_BLOCK, &nset, &oset);
536 1.19 lukem
537 1.19 lukem /* get the correct window size */
538 1.19 lukem if (term_get_size(el, &lins, &cols))
539 1.19 lukem term_change_size(el, lins, cols);
540 1.1 cgd
541 1.19 lukem (void) sigprocmask(SIG_SETMASK, &oset, NULL);
542 1.9 christos }
543 1.14 lukem
544 1.9 christos
545 1.9 christos /* el_beep():
546 1.9 christos * Called from the program to beep
547 1.9 christos */
548 1.9 christos public void
549 1.19 lukem el_beep(EditLine *el)
550 1.9 christos {
551 1.19 lukem
552 1.19 lukem term_beep(el);
553 1.1 cgd }
554 1.10 lukem
555 1.10 lukem
556 1.10 lukem /* el_editmode()
557 1.10 lukem * Set the state of EDIT_DISABLED from the `edit' command.
558 1.10 lukem */
559 1.10 lukem protected int
560 1.10 lukem /*ARGSUSED*/
561 1.29 christos el_editmode(EditLine *el, int argc, const char **argv)
562 1.10 lukem {
563 1.19 lukem const char *how;
564 1.10 lukem
565 1.19 lukem if (argv == NULL || argc != 2 || argv[1] == NULL)
566 1.19 lukem return (-1);
567 1.10 lukem
568 1.19 lukem how = argv[1];
569 1.39 christos if (strcmp(how, "on") == 0) {
570 1.19 lukem el->el_flags &= ~EDIT_DISABLED;
571 1.39 christos tty_rawmode(el);
572 1.39 christos } else if (strcmp(how, "off") == 0) {
573 1.39 christos tty_cookedmode(el);
574 1.19 lukem el->el_flags |= EDIT_DISABLED;
575 1.39 christos }
576 1.19 lukem else {
577 1.19 lukem (void) fprintf(el->el_errfile, "edit: Bad value `%s'.\n", how);
578 1.19 lukem return (-1);
579 1.19 lukem }
580 1.19 lukem return (0);
581 1.19 lukem }
582