Bug Summary

File:src/lib/libedit/search.c
Warning:line 456, column 2
Value stored to 'tmplen' is never read

Annotated Source Code

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clang -cc1 -cc1 -triple amd64-unknown-openbsd7.4 -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name search.c -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 1 -pic-is-pie -mframe-pointer=all -relaxed-aliasing -ffp-contract=on -fno-rounding-math -mconstructor-aliases -funwind-tables=2 -target-cpu x86-64 -target-feature +retpoline-indirect-calls -target-feature +retpoline-indirect-branches -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/usr/src/lib/libedit/obj -resource-dir /usr/local/llvm16/lib/clang/16 -I . -I /usr/src/lib/libedit -I . -I /usr/src/lib/libedit -internal-isystem /usr/local/llvm16/lib/clang/16/include -internal-externc-isystem /usr/include -O2 -fdebug-compilation-dir=/usr/src/lib/libedit/obj -ferror-limit 19 -fwrapv -D_RET_PROTECTOR -ret-protector -fcf-protection=branch -fno-jump-tables -fgnuc-version=4.2.1 -vectorize-loops -vectorize-slp -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-valloc -fno-builtin-free -fno-builtin-strdup -fno-builtin-strndup -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /home/ben/Projects/scan/2024-01-11-140451-98009-1 -x c /usr/src/lib/libedit/search.c
1/* $OpenBSD: search.c,v 1.28 2023/03/08 04:43:05 guenther Exp $ */
2/* $NetBSD: search.c,v 1.45 2016/04/18 17:01:19 christos Exp $ */
3
4/*-
5 * Copyright (c) 1992, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * Christos Zoulas of Cornell University.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#include "config.h"
37
38/*
39 * search.c: History and character search functions
40 */
41#include <stdlib.h>
42#include <string.h>
43#if defined(REGEX)
44#include <regex.h>
45#elif defined(REGEXP)
46#include <regexp.h>
47#endif
48
49#include "el.h"
50#include "common.h"
51#include "fcns.h"
52
53/*
54 * Adjust cursor in vi mode to include the character under it
55 */
56#define EL_CURSOR(el)((el)->el_line.cursor + (((el)->el_map.type == 1) &&
((el)->el_map.current == (el)->el_map.alt))) \
57 ((el)->el_line.cursor + (((el)->el_map.type == MAP_VI1) && \
58 ((el)->el_map.current == (el)->el_map.alt)))
59
60/* search_init():
61 * Initialize the search stuff
62 */
63protected__attribute__((__visibility__("hidden"))) int
64search_init(EditLine *el)
65{
66
67 el->el_search.patbuf = reallocarray(NULL((void *)0), EL_BUFSIZ1024,
68 sizeof(*el->el_search.patbuf));
69 if (el->el_search.patbuf == NULL((void *)0))
70 return -1;
71 *el->el_search.patbuf = L'\0';
72 el->el_search.patlen = 0;
73 el->el_search.patdir = -1;
74 el->el_search.chacha = '\0';
75 el->el_search.chadir = CHAR_FWD(+1);
76 el->el_search.chatflg = 0;
77 return 0;
78}
79
80
81/* search_end():
82 * Initialize the search stuff
83 */
84protected__attribute__((__visibility__("hidden"))) void
85search_end(EditLine *el)
86{
87
88 free(el->el_search.patbuf);
89 el->el_search.patbuf = NULL((void *)0);
90}
91
92
93#ifdef REGEXP
94/* regerror():
95 * Handle regular expression errors
96 */
97void
98regerror(const char *msg)
99{
100}
101#endif
102
103
104/* el_match():
105 * Return if string matches pattern
106 */
107protected__attribute__((__visibility__("hidden"))) int
108el_match(const wchar_t *str, const wchar_t *pat)
109{
110 static ct_buffer_t conv;
111#if defined (REGEX)
112 regex_t re;
113 int rv;
114#elif defined (REGEXP)
115 regexp *rp;
116 int rv;
117#else
118 extern char *re_comp(const char *);
119 extern int re_exec(const char *);
120#endif
121
122 if (wcsstr(str, pat) != 0)
123 return 1;
124
125#if defined(REGEX)
126 if (regcomp(&re, ct_encode_string(pat, &conv), 0) == 0) {
127 rv = regexec(&re, ct_encode_string(str, &conv), 0, NULL((void *)0), 0) == 0;
128 regfree(&re);
129 } else {
130 rv = 0;
131 }
132 return rv;
133#elif defined(REGEXP)
134 if ((re = regcomp(ct_encode_string(pat, &conv))) != NULL((void *)0)) {
135 rv = regexec(re, ct_encode_string(str, &conv));
136 free(re);
137 } else {
138 rv = 0;
139 }
140 return rv;
141#else
142 if (re_comp(ct_encode_string(pat, &conv)) != NULL((void *)0))
143 return 0;
144 else
145 return re_exec(ct_encode_string(str, &conv)) == 1;
146#endif
147}
148
149
150/* c_hmatch():
151 * return True if the pattern matches the prefix
152 */
153protected__attribute__((__visibility__("hidden"))) int
154c_hmatch(EditLine *el, const wchar_t *str)
155{
156#ifdef SDEBUG
157 (void) fprintf(el->el_errfile, "match `%s' with `%s'\n",
158 el->el_search.patbuf, str);
159#endif /* SDEBUG */
160
161 return el_match(str, el->el_search.patbuf);
162}
163
164
165/* c_setpat():
166 * Set the history seatch pattern
167 */
168protected__attribute__((__visibility__("hidden"))) void
169c_setpat(EditLine *el)
170{
171 if (el->el_state.lastcmd != ED_SEARCH_PREV_HISTORY24 &&
172 el->el_state.lastcmd != ED_SEARCH_NEXT_HISTORY23) {
173 el->el_search.patlen = EL_CURSOR(el)((el)->el_line.cursor + (((el)->el_map.type == 1) &&
((el)->el_map.current == (el)->el_map.alt))) - el->el_line.buffer;
174 if (el->el_search.patlen >= EL_BUFSIZ1024)
175 el->el_search.patlen = EL_BUFSIZ1024 - 1;
176 if (el->el_search.patlen != 0) {
177 (void) wcsncpy(el->el_search.patbuf, el->el_line.buffer,
178 el->el_search.patlen);
179 el->el_search.patbuf[el->el_search.patlen] = '\0';
180 } else
181 el->el_search.patlen = wcslen(el->el_search.patbuf);
182 }
183#ifdef SDEBUG
184 (void) fprintf(el->el_errfile, "\neventno = %d\n",
185 el->el_history.eventno);
186 (void) fprintf(el->el_errfile, "patlen = %d\n", el->el_search.patlen);
187 (void) fprintf(el->el_errfile, "patbuf = \"%s\"\n",
188 el->el_search.patbuf);
189 (void) fprintf(el->el_errfile, "cursor %d lastchar %d\n",
190 EL_CURSOR(el)((el)->el_line.cursor + (((el)->el_map.type == 1) &&
((el)->el_map.current == (el)->el_map.alt))) - el->el_line.buffer,
191 el->el_line.lastchar - el->el_line.buffer);
192#endif
193}
194
195
196/* ce_inc_search():
197 * Emacs incremental search
198 */
199protected__attribute__((__visibility__("hidden"))) el_action_t
200ce_inc_search(EditLine *el, int dir)
201{
202 static const wchar_t STRfwd[] = L"fwd", STRbck[] = L"bck";
203 static wchar_t pchar = L':'; /* ':' = normal, '?' = failed */
204 static wchar_t endcmd[2] = {'\0', '\0'};
205 wchar_t *ocursor = el->el_line.cursor, oldpchar = pchar, ch;
206 const wchar_t *cp;
207
208 el_action_t ret = CC_NORM0;
209
210 int ohisteventno = el->el_history.eventno;
211 size_t oldpatlen = el->el_search.patlen;
212 int newdir = dir;
213 int done, redo;
214
215 if (el->el_line.lastchar + sizeof(STRfwd) /
216 sizeof(*el->el_line.lastchar) + 2 +
217 el->el_search.patlen >= el->el_line.limit)
218 return CC_ERROR6;
219
220 for (;;) {
221
222 if (el->el_search.patlen == 0) { /* first round */
223 pchar = ':';
224#ifdef ANCHOR
225#define LEN2 2
226 el->el_search.patbuf[el->el_search.patlen++] = '.';
227 el->el_search.patbuf[el->el_search.patlen++] = '*';
228#else
229#define LEN2 0
230#endif
231 }
232 done = redo = 0;
233 *el->el_line.lastchar++ = '\n';
234 for (cp = (newdir == ED_SEARCH_PREV_HISTORY24) ? STRbck : STRfwd;
235 *cp; *el->el_line.lastchar++ = *cp++)
236 continue;
237 *el->el_line.lastchar++ = pchar;
238 for (cp = &el->el_search.patbuf[LEN2];
239 cp < &el->el_search.patbuf[el->el_search.patlen];
240 *el->el_line.lastchar++ = *cp++)
241 continue;
242 *el->el_line.lastchar = '\0';
243 re_refresh(el);
244
245 if (el_wgetc(el, &ch) != 1)
246 return ed_end_of_file(el, 0);
247
248 switch (el->el_map.current[(unsigned char) ch]) {
249 case ED_INSERT9:
250 case ED_DIGIT6:
251 if (el->el_search.patlen >= EL_BUFSIZ1024 - LEN2)
252 terminal_beep(el);
253 else {
254 el->el_search.patbuf[el->el_search.patlen++] =
255 ch;
256 *el->el_line.lastchar++ = ch;
257 *el->el_line.lastchar = '\0';
258 re_refresh(el);
259 }
260 break;
261
262 case EM_INC_SEARCH_NEXT37:
263 newdir = ED_SEARCH_NEXT_HISTORY23;
264 redo++;
265 break;
266
267 case EM_INC_SEARCH_PREV38:
268 newdir = ED_SEARCH_PREV_HISTORY24;
269 redo++;
270 break;
271
272 case EM_DELETE_PREV_CHAR34:
273 case ED_DELETE_PREV_CHAR4:
274 if (el->el_search.patlen > LEN2)
275 done++;
276 else
277 terminal_beep(el);
278 break;
279
280 default:
281 switch (ch) {
282 case 0007: /* ^G: Abort */
283 ret = CC_ERROR6;
284 done++;
285 break;
286
287 case 0027: /* ^W: Append word */
288 /* No can do if globbing characters in pattern */
289 for (cp = &el->el_search.patbuf[LEN2];; cp++)
290 if (cp >= &el->el_search.patbuf[
291 el->el_search.patlen]) {
292 el->el_line.cursor +=
293 el->el_search.patlen - LEN2 - 1;
294 cp = c__next_word(el->el_line.cursor,
295 el->el_line.lastchar, 1,
296 ce__isword);
297 while (el->el_line.cursor < cp &&
298 *el->el_line.cursor != '\n') {
299 if (el->el_search.patlen >=
300 EL_BUFSIZ1024 - LEN2) {
301 terminal_beep(el);
302 break;
303 }
304 el->el_search.patbuf[el->el_search.patlen++] =
305 *el->el_line.cursor;
306 *el->el_line.lastchar++ =
307 *el->el_line.cursor++;
308 }
309 el->el_line.cursor = ocursor;
310 *el->el_line.lastchar = '\0';
311 re_refresh(el);
312 break;
313 } else if (isglob(*cp)(strchr("*[]?", (*cp)) != ((void *)0))) {
314 terminal_beep(el);
315 break;
316 }
317 break;
318
319 default: /* Terminate and execute cmd */
320 endcmd[0] = ch;
321 el_wpush(el, endcmd);
322 /* FALLTHROUGH */
323
324 case 0033: /* ESC: Terminate */
325 ret = CC_REFRESH4;
326 done++;
327 break;
328 }
329 break;
330 }
331
332 while (el->el_line.lastchar > el->el_line.buffer &&
333 *el->el_line.lastchar != '\n')
334 *el->el_line.lastchar-- = '\0';
335 *el->el_line.lastchar = '\0';
336
337 if (!done) {
338
339 /* Can't search if unmatched '[' */
340 for (cp = &el->el_search.patbuf[el->el_search.patlen-1],
341 ch = L']';
342 cp >= &el->el_search.patbuf[LEN2];
343 cp--)
344 if (*cp == '[' || *cp == ']') {
345 ch = *cp;
346 break;
347 }
348 if (el->el_search.patlen > LEN2 && ch != L'[') {
349 if (redo && newdir == dir) {
350 if (pchar == '?') { /* wrap around */
351 el->el_history.eventno =
352 newdir == ED_SEARCH_PREV_HISTORY24 ? 0 : 0x7fffffff;
353 if (hist_get(el) == CC_ERROR6)
354 /* el->el_history.event
355 * no was fixed by
356 * first call */
357 (void) hist_get(el);
358 el->el_line.cursor = newdir ==
359 ED_SEARCH_PREV_HISTORY24 ?
360 el->el_line.lastchar :
361 el->el_line.buffer;
362 } else
363 el->el_line.cursor +=
364 newdir ==
365 ED_SEARCH_PREV_HISTORY24 ?
366 -1 : 1;
367 }
368#ifdef ANCHOR
369 el->el_search.patbuf[el->el_search.patlen++] =
370 '.';
371 el->el_search.patbuf[el->el_search.patlen++] =
372 '*';
373#endif
374 el->el_search.patbuf[el->el_search.patlen] =
375 '\0';
376 if (el->el_line.cursor < el->el_line.buffer ||
377 el->el_line.cursor > el->el_line.lastchar ||
378 (ret = ce_search_line(el, newdir))
379 == CC_ERROR6) {
380 /* avoid c_setpat */
381 el->el_state.lastcmd =
382 (el_action_t) newdir;
383 ret = newdir == ED_SEARCH_PREV_HISTORY24 ?
384 ed_search_prev_history(el, 0) :
385 ed_search_next_history(el, 0);
386 if (ret != CC_ERROR6) {
387 el->el_line.cursor = newdir ==
388 ED_SEARCH_PREV_HISTORY24 ?
389 el->el_line.lastchar :
390 el->el_line.buffer;
391 (void) ce_search_line(el,
392 newdir);
393 }
394 }
395 el->el_search.patlen -= LEN2;
396 el->el_search.patbuf[el->el_search.patlen] =
397 '\0';
398 if (ret == CC_ERROR6) {
399 terminal_beep(el);
400 if (el->el_history.eventno !=
401 ohisteventno) {
402 el->el_history.eventno =
403 ohisteventno;
404 if (hist_get(el) == CC_ERROR6)
405 return CC_ERROR6;
406 }
407 el->el_line.cursor = ocursor;
408 pchar = '?';
409 } else {
410 pchar = ':';
411 }
412 }
413 ret = ce_inc_search(el, newdir);
414
415 if (ret == CC_ERROR6 && pchar == '?' && oldpchar == ':')
416 /*
417 * break abort of failed search at last
418 * non-failed
419 */
420 ret = CC_NORM0;
421
422 }
423 if (ret == CC_NORM0 || (ret == CC_ERROR6 && oldpatlen == 0)) {
424 /* restore on normal return or error exit */
425 pchar = oldpchar;
426 el->el_search.patlen = oldpatlen;
427 if (el->el_history.eventno != ohisteventno) {
428 el->el_history.eventno = ohisteventno;
429 if (hist_get(el) == CC_ERROR6)
430 return CC_ERROR6;
431 }
432 el->el_line.cursor = ocursor;
433 if (ret == CC_ERROR6)
434 re_refresh(el);
435 }
436 if (done || ret != CC_NORM0)
437 return ret;
438 }
439}
440
441
442/* cv_search():
443 * Vi search.
444 */
445protected__attribute__((__visibility__("hidden"))) el_action_t
446cv_search(EditLine *el, int dir)
447{
448 wchar_t ch;
449 wchar_t tmpbuf[EL_BUFSIZ1024];
450 int tmplen;
451
452#ifdef ANCHOR
453 tmpbuf[0] = '.';
454 tmpbuf[1] = '*';
455#endif
456 tmplen = LEN2;
Value stored to 'tmplen' is never read
457
458 el->el_search.patdir = dir;
459
460 tmplen = c_gets(el, &tmpbuf[LEN2],
461 dir == ED_SEARCH_PREV_HISTORY24 ? L"\n/" : L"\n?" );
462 if (tmplen == -1)
463 return CC_REFRESH4;
464
465 tmplen += LEN2;
466 ch = tmpbuf[tmplen];
467 tmpbuf[tmplen] = '\0';
468
469 if (tmplen == LEN2) {
470 /*
471 * Use the old pattern, but wild-card it.
472 */
473 if (el->el_search.patlen == 0) {
474 re_refresh(el);
475 return CC_ERROR6;
476 }
477#ifdef ANCHOR
478 if (el->el_search.patbuf[0] != '.' &&
479 el->el_search.patbuf[0] != '*') {
480 (void) wcsncpy(tmpbuf, el->el_search.patbuf,
481 sizeof(tmpbuf) / sizeof(*tmpbuf) - 1);
482 el->el_search.patbuf[0] = '.';
483 el->el_search.patbuf[1] = '*';
484 (void) wcsncpy(&el->el_search.patbuf[2], tmpbuf,
485 EL_BUFSIZ1024 - 3);
486 el->el_search.patlen++;
487 el->el_search.patbuf[el->el_search.patlen++] = '.';
488 el->el_search.patbuf[el->el_search.patlen++] = '*';
489 el->el_search.patbuf[el->el_search.patlen] = '\0';
490 }
491#endif
492 } else {
493#ifdef ANCHOR
494 tmpbuf[tmplen++] = '.';
495 tmpbuf[tmplen++] = '*';
496#endif
497 tmpbuf[tmplen] = '\0';
498 (void) wcsncpy(el->el_search.patbuf, tmpbuf, EL_BUFSIZ1024 - 1);
499 el->el_search.patlen = tmplen;
500 }
501 el->el_state.lastcmd = (el_action_t) dir; /* avoid c_setpat */
502 el->el_line.cursor = el->el_line.lastchar = el->el_line.buffer;
503 if ((dir == ED_SEARCH_PREV_HISTORY24 ? ed_search_prev_history(el, 0) :
504 ed_search_next_history(el, 0)) == CC_ERROR6) {
505 re_refresh(el);
506 return CC_ERROR6;
507 }
508 if (ch == 0033) {
509 re_refresh(el);
510 return ed_newline(el, 0);
511 }
512 return CC_REFRESH4;
513}
514
515
516/* ce_search_line():
517 * Look for a pattern inside a line
518 */
519protected__attribute__((__visibility__("hidden"))) el_action_t
520ce_search_line(EditLine *el, int dir)
521{
522 wchar_t *cp = el->el_line.cursor;
523 wchar_t *pattern = el->el_search.patbuf;
524 wchar_t oc, *ocp;
525#ifdef ANCHOR
526 ocp = &pattern[1];
527 oc = *ocp;
528 *ocp = '^';
529#else
530 ocp = pattern;
531 oc = *ocp;
532#endif
533
534 if (dir == ED_SEARCH_PREV_HISTORY24) {
535 for (; cp >= el->el_line.buffer; cp--) {
536 if (el_match(cp, ocp)) {
537 *ocp = oc;
538 el->el_line.cursor = cp;
539 return CC_NORM0;
540 }
541 }
542 *ocp = oc;
543 return CC_ERROR6;
544 } else {
545 for (; *cp != '\0' && cp < el->el_line.limit; cp++) {
546 if (el_match(cp, ocp)) {
547 *ocp = oc;
548 el->el_line.cursor = cp;
549 return CC_NORM0;
550 }
551 }
552 *ocp = oc;
553 return CC_ERROR6;
554 }
555}
556
557
558/* cv_repeat_srch():
559 * Vi repeat search
560 */
561protected__attribute__((__visibility__("hidden"))) el_action_t
562cv_repeat_srch(EditLine *el, wint_t c)
563{
564
565#ifdef SDEBUG
566 (void) fprintf(el->el_errfile, "dir %d patlen %d patbuf %s\n",
567 c, el->el_search.patlen, ct_encode_string(el->el_search.patbuf));
568#endif
569
570 el->el_state.lastcmd = (el_action_t) c; /* Hack to stop c_setpat */
571 el->el_line.lastchar = el->el_line.buffer;
572
573 switch (c) {
574 case ED_SEARCH_NEXT_HISTORY23:
575 return ed_search_next_history(el, 0);
576 case ED_SEARCH_PREV_HISTORY24:
577 return ed_search_prev_history(el, 0);
578 default:
579 return CC_ERROR6;
580 }
581}
582
583
584/* cv_csearch():
585 * Vi character search
586 */
587protected__attribute__((__visibility__("hidden"))) el_action_t
588cv_csearch(EditLine *el, int direction, wint_t ch, int count, int tflag)
589{
590 wchar_t *cp;
591
592 if (ch == 0)
593 return CC_ERROR6;
594
595 if (ch == (wint_t)-1) {
596 if (el_wgetc(el, &ch) != 1)
597 return ed_end_of_file(el, 0);
598 }
599
600 /* Save for ';' and ',' commands */
601 el->el_search.chacha = ch;
602 el->el_search.chadir = direction;
603 el->el_search.chatflg = tflag;
604
605 cp = el->el_line.cursor;
606 while (count--) {
607 if ((wint_t)*cp == ch)
608 cp += direction;
609 for (;;cp += direction) {
610 if (cp >= el->el_line.lastchar)
611 return CC_ERROR6;
612 if (cp < el->el_line.buffer)
613 return CC_ERROR6;
614 if ((wint_t)*cp == ch)
615 break;
616 }
617 }
618
619 if (tflag)
620 cp -= direction;
621
622 el->el_line.cursor = cp;
623
624 if (el->el_chared.c_vcmd.action != NOP0x00) {
625 if (direction > 0)
626 el->el_line.cursor++;
627 cv_delfini(el);
628 return CC_REFRESH4;
629 }
630 return CC_CURSOR5;
631}