1 /* $OpenBSD$ */ 2 3 /* 4 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER 15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <sys/types.h> 20 #include <sys/time.h> 21 22 #include <errno.h> 23 #include <limits.h> 24 #include <stdarg.h> 25 #include <stdlib.h> 26 #include <string.h> 27 #include <time.h> 28 #include <unistd.h> 29 30 #include "tmux.h" 31 32 static void status_message_callback(int, short, void *); 33 static void status_timer_callback(int, short, void *); 34 35 static char *status_prompt_find_history_file(void); 36 static const char *status_prompt_up_history(u_int *); 37 static const char *status_prompt_down_history(u_int *); 38 static void status_prompt_add_history(const char *); 39 40 static char **status_prompt_complete_list(u_int *, const char *); 41 static char *status_prompt_complete_prefix(char **, u_int); 42 static char *status_prompt_complete(struct session *, const char *); 43 44 /* Status prompt history. */ 45 #define PROMPT_HISTORY 100 46 static char **status_prompt_hlist; 47 static u_int status_prompt_hsize; 48 49 /* Find the history file to load/save from/to. */ 50 static char * 51 status_prompt_find_history_file(void) 52 { 53 const char *home, *history_file; 54 char *path; 55 56 history_file = options_get_string(global_options, "history-file"); 57 if (*history_file == '\0') 58 return (NULL); 59 if (*history_file == '/') 60 return (xstrdup(history_file)); 61 62 if (history_file[0] != '~' || history_file[1] != '/') 63 return (NULL); 64 if ((home = find_home()) == NULL) 65 return (NULL); 66 xasprintf(&path, "%s%s", home, history_file + 1); 67 return (path); 68 } 69 70 /* Load status prompt history from file. */ 71 void 72 status_prompt_load_history(void) 73 { 74 FILE *f; 75 char *history_file, *line, *tmp; 76 size_t length; 77 78 if ((history_file = status_prompt_find_history_file()) == NULL) 79 return; 80 log_debug("loading history from %s", history_file); 81 82 f = fopen(history_file, "r"); 83 if (f == NULL) { 84 log_debug("%s: %s", history_file, strerror(errno)); 85 free(history_file); 86 return; 87 } 88 free(history_file); 89 90 for (;;) { 91 if ((line = fgetln(f, &length)) == NULL) 92 break; 93 94 if (length > 0) { 95 if (line[length - 1] == '\n') { 96 line[length - 1] = '\0'; 97 status_prompt_add_history(line); 98 } else { 99 tmp = xmalloc(length + 1); 100 memcpy(tmp, line, length); 101 tmp[length] = '\0'; 102 status_prompt_add_history(tmp); 103 free(tmp); 104 } 105 } 106 } 107 fclose(f); 108 } 109 110 /* Save status prompt history to file. */ 111 void 112 status_prompt_save_history(void) 113 { 114 FILE *f; 115 u_int i; 116 char *history_file; 117 118 if ((history_file = status_prompt_find_history_file()) == NULL) 119 return; 120 log_debug("saving history to %s", history_file); 121 122 f = fopen(history_file, "w"); 123 if (f == NULL) { 124 log_debug("%s: %s", history_file, strerror(errno)); 125 free(history_file); 126 return; 127 } 128 free(history_file); 129 130 for (i = 0; i < status_prompt_hsize; i++) { 131 fputs(status_prompt_hlist[i], f); 132 fputc('\n', f); 133 } 134 fclose(f); 135 136 } 137 138 /* Status timer callback. */ 139 static void 140 status_timer_callback(__unused int fd, __unused short events, void *arg) 141 { 142 struct client *c = arg; 143 struct session *s = c->session; 144 struct timeval tv; 145 146 evtimer_del(&c->status.timer); 147 148 if (s == NULL) 149 return; 150 151 if (c->message_string == NULL && c->prompt_string == NULL) 152 c->flags |= CLIENT_REDRAWSTATUS; 153 154 timerclear(&tv); 155 tv.tv_sec = options_get_number(s->options, "status-interval"); 156 157 if (tv.tv_sec != 0) 158 evtimer_add(&c->status.timer, &tv); 159 log_debug("client %p, status interval %d", c, (int)tv.tv_sec); 160 } 161 162 /* Start status timer for client. */ 163 void 164 status_timer_start(struct client *c) 165 { 166 struct session *s = c->session; 167 168 if (event_initialized(&c->status.timer)) 169 evtimer_del(&c->status.timer); 170 else 171 evtimer_set(&c->status.timer, status_timer_callback, c); 172 173 if (s != NULL && options_get_number(s->options, "status")) 174 status_timer_callback(-1, 0, c); 175 } 176 177 /* Start status timer for all clients. */ 178 void 179 status_timer_start_all(void) 180 { 181 struct client *c; 182 183 TAILQ_FOREACH(c, &clients, entry) 184 status_timer_start(c); 185 } 186 187 /* Update status cache. */ 188 void 189 status_update_cache(struct session *s) 190 { 191 s->statuslines = options_get_number(s->options, "status"); 192 if (s->statuslines == 0) 193 s->statusat = -1; 194 else if (options_get_number(s->options, "status-position") == 0) 195 s->statusat = 0; 196 else 197 s->statusat = 1; 198 } 199 200 /* Get screen line of status line. -1 means off. */ 201 int 202 status_at_line(struct client *c) 203 { 204 struct session *s = c->session; 205 206 if (c->flags & (CLIENT_STATUSOFF|CLIENT_CONTROL)) 207 return (-1); 208 if (s->statusat != 1) 209 return (s->statusat); 210 return (c->tty.sy - status_line_size(c)); 211 } 212 213 /* Get size of status line for client's session. 0 means off. */ 214 u_int 215 status_line_size(struct client *c) 216 { 217 struct session *s = c->session; 218 219 if (c->flags & (CLIENT_STATUSOFF|CLIENT_CONTROL)) 220 return (0); 221 return (s->statuslines); 222 } 223 224 /* Get window at window list position. */ 225 struct style_range * 226 status_get_range(struct client *c, u_int x, u_int y) 227 { 228 struct status_line *sl = &c->status; 229 struct style_range *sr; 230 231 if (y >= nitems(sl->entries)) 232 return (NULL); 233 TAILQ_FOREACH(sr, &sl->entries[y].ranges, entry) { 234 if (x >= sr->start && x < sr->end) 235 return (sr); 236 } 237 return (NULL); 238 } 239 240 /* Free all ranges. */ 241 static void 242 status_free_ranges(struct style_ranges *srs) 243 { 244 struct style_range *sr, *sr1; 245 246 TAILQ_FOREACH_SAFE(sr, srs, entry, sr1) { 247 TAILQ_REMOVE(srs, sr, entry); 248 free(sr); 249 } 250 } 251 252 /* Save old status line. */ 253 static void 254 status_push_screen(struct client *c) 255 { 256 struct status_line *sl = &c->status; 257 258 if (sl->active == &sl->screen) { 259 sl->active = xmalloc(sizeof *sl->active); 260 screen_init(sl->active, c->tty.sx, status_line_size(c), 0); 261 } 262 sl->references++; 263 } 264 265 /* Restore old status line. */ 266 static void 267 status_pop_screen(struct client *c) 268 { 269 struct status_line *sl = &c->status; 270 271 if (--sl->references == 0) { 272 screen_free(sl->active); 273 free(sl->active); 274 sl->active = &sl->screen; 275 } 276 } 277 278 /* Initialize status line. */ 279 void 280 status_init(struct client *c) 281 { 282 struct status_line *sl = &c->status; 283 u_int i; 284 285 for (i = 0; i < nitems(sl->entries); i++) 286 TAILQ_INIT(&sl->entries[i].ranges); 287 288 screen_init(&sl->screen, c->tty.sx, 1, 0); 289 sl->active = &sl->screen; 290 } 291 292 /* Free status line. */ 293 void 294 status_free(struct client *c) 295 { 296 struct status_line *sl = &c->status; 297 u_int i; 298 299 for (i = 0; i < nitems(sl->entries); i++) { 300 status_free_ranges(&sl->entries[i].ranges); 301 free((void *)sl->entries[i].expanded); 302 } 303 304 if (event_initialized(&sl->timer)) 305 evtimer_del(&sl->timer); 306 307 if (sl->active != &sl->screen) { 308 screen_free(sl->active); 309 free(sl->active); 310 } 311 screen_free(&sl->screen); 312 } 313 314 /* Draw status line for client. */ 315 int 316 status_redraw(struct client *c) 317 { 318 struct status_line *sl = &c->status; 319 struct status_line_entry *sle; 320 struct session *s = c->session; 321 struct screen_write_ctx ctx; 322 struct grid_cell gc; 323 u_int lines, i, n, width = c->tty.sx; 324 int flags, force = 0, changed = 0; 325 struct options_entry *o; 326 union options_value *ov; 327 struct format_tree *ft; 328 char *expanded; 329 330 log_debug("%s enter", __func__); 331 332 /* Shouldn't get here if not the active screen. */ 333 if (sl->active != &sl->screen) 334 fatalx("not the active screen"); 335 336 /* No status line? */ 337 lines = status_line_size(c); 338 if (c->tty.sy == 0 || lines == 0) 339 return (1); 340 341 /* Set up default colour. */ 342 style_apply(&gc, s->options, "status-style"); 343 if (!grid_cells_equal(&gc, &sl->style)) { 344 force = 1; 345 memcpy(&sl->style, &gc, sizeof sl->style); 346 } 347 348 /* Resize the target screen. */ 349 if (screen_size_x(&sl->screen) != width || 350 screen_size_y(&sl->screen) != lines) { 351 screen_resize(&sl->screen, width, lines, 0); 352 changed = force = 1; 353 } 354 screen_write_start(&ctx, NULL, &sl->screen); 355 356 /* Create format tree. */ 357 flags = FORMAT_STATUS; 358 if (c->flags & CLIENT_STATUSFORCE) 359 flags |= FORMAT_FORCE; 360 ft = format_create(c, NULL, FORMAT_NONE, flags); 361 format_defaults(ft, c, NULL, NULL, NULL); 362 363 /* Write the status lines. */ 364 o = options_get(s->options, "status-format"); 365 if (o == NULL) { 366 for (n = 0; n < width * lines; n++) 367 screen_write_putc(&ctx, &gc, ' '); 368 } else { 369 for (i = 0; i < lines; i++) { 370 screen_write_cursormove(&ctx, 0, i, 0); 371 372 ov = options_array_get(o, i); 373 if (ov == NULL) { 374 for (n = 0; n < width; n++) 375 screen_write_putc(&ctx, &gc, ' '); 376 continue; 377 } 378 sle = &sl->entries[i]; 379 380 expanded = format_expand_time(ft, ov->string); 381 if (!force && 382 sle->expanded != NULL && 383 strcmp(expanded, sle->expanded) == 0) { 384 free(expanded); 385 continue; 386 } 387 changed = 1; 388 389 for (n = 0; n < width; n++) 390 screen_write_putc(&ctx, &gc, ' '); 391 screen_write_cursormove(&ctx, 0, i, 0); 392 393 status_free_ranges(&sle->ranges); 394 format_draw(&ctx, &gc, width, expanded, &sle->ranges); 395 396 free(sle->expanded); 397 sle->expanded = expanded; 398 } 399 } 400 screen_write_stop(&ctx); 401 402 /* Free the format tree. */ 403 format_free(ft); 404 405 /* Return if the status line has changed. */ 406 log_debug("%s exit: force=%d, changed=%d", __func__, force, changed); 407 return (force || changed); 408 } 409 410 /* Set a status line message. */ 411 void 412 status_message_set(struct client *c, const char *fmt, ...) 413 { 414 struct timeval tv; 415 va_list ap; 416 int delay; 417 418 status_message_clear(c); 419 status_push_screen(c); 420 421 va_start(ap, fmt); 422 xvasprintf(&c->message_string, fmt, ap); 423 va_end(ap); 424 425 server_client_add_message(c, "%s", c->message_string); 426 427 delay = options_get_number(c->session->options, "display-time"); 428 if (delay > 0) { 429 tv.tv_sec = delay / 1000; 430 tv.tv_usec = (delay % 1000) * 1000L; 431 432 if (event_initialized(&c->message_timer)) 433 evtimer_del(&c->message_timer); 434 evtimer_set(&c->message_timer, status_message_callback, c); 435 evtimer_add(&c->message_timer, &tv); 436 } 437 438 c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE); 439 c->flags |= CLIENT_REDRAWSTATUS; 440 } 441 442 /* Clear status line message. */ 443 void 444 status_message_clear(struct client *c) 445 { 446 if (c->message_string == NULL) 447 return; 448 449 free(c->message_string); 450 c->message_string = NULL; 451 452 if (c->prompt_string == NULL) 453 c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE); 454 c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */ 455 456 status_pop_screen(c); 457 } 458 459 /* Clear status line message after timer expires. */ 460 static void 461 status_message_callback(__unused int fd, __unused short event, void *data) 462 { 463 struct client *c = data; 464 465 status_message_clear(c); 466 } 467 468 /* Draw client message on status line of present else on last line. */ 469 int 470 status_message_redraw(struct client *c) 471 { 472 struct status_line *sl = &c->status; 473 struct screen_write_ctx ctx; 474 struct session *s = c->session; 475 struct screen old_screen; 476 size_t len; 477 u_int lines, offset; 478 struct grid_cell gc; 479 480 if (c->tty.sx == 0 || c->tty.sy == 0) 481 return (0); 482 memcpy(&old_screen, sl->active, sizeof old_screen); 483 484 lines = status_line_size(c); 485 if (lines <= 1) 486 lines = 1; 487 screen_init(sl->active, c->tty.sx, lines, 0); 488 489 len = screen_write_strlen("%s", c->message_string); 490 if (len > c->tty.sx) 491 len = c->tty.sx; 492 493 style_apply(&gc, s->options, "message-style"); 494 495 screen_write_start(&ctx, NULL, sl->active); 496 screen_write_fast_copy(&ctx, &sl->screen, 0, 0, c->tty.sx, lines - 1); 497 screen_write_cursormove(&ctx, 0, lines - 1, 0); 498 for (offset = 0; offset < c->tty.sx; offset++) 499 screen_write_putc(&ctx, &gc, ' '); 500 screen_write_cursormove(&ctx, 0, lines - 1, 0); 501 screen_write_nputs(&ctx, len, &gc, "%s", c->message_string); 502 screen_write_stop(&ctx); 503 504 if (grid_compare(sl->active->grid, old_screen.grid) == 0) { 505 screen_free(&old_screen); 506 return (0); 507 } 508 screen_free(&old_screen); 509 return (1); 510 } 511 512 /* Enable status line prompt. */ 513 void 514 status_prompt_set(struct client *c, const char *msg, const char *input, 515 prompt_input_cb inputcb, prompt_free_cb freecb, void *data, int flags) 516 { 517 struct format_tree *ft; 518 char *tmp, *cp; 519 520 ft = format_create(c, NULL, FORMAT_NONE, 0); 521 format_defaults(ft, c, NULL, NULL, NULL); 522 523 if (input == NULL) 524 input = ""; 525 if (flags & PROMPT_NOFORMAT) 526 tmp = xstrdup(input); 527 else 528 tmp = format_expand_time(ft, input); 529 530 status_message_clear(c); 531 status_prompt_clear(c); 532 status_push_screen(c); 533 534 c->prompt_string = format_expand_time(ft, msg); 535 536 c->prompt_buffer = utf8_fromcstr(tmp); 537 c->prompt_index = utf8_strlen(c->prompt_buffer); 538 539 c->prompt_inputcb = inputcb; 540 c->prompt_freecb = freecb; 541 c->prompt_data = data; 542 543 c->prompt_hindex = 0; 544 545 c->prompt_flags = flags; 546 c->prompt_mode = PROMPT_ENTRY; 547 548 if (~flags & PROMPT_INCREMENTAL) 549 c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE); 550 c->flags |= CLIENT_REDRAWSTATUS; 551 552 if ((flags & PROMPT_INCREMENTAL) && *tmp != '\0') { 553 xasprintf(&cp, "=%s", tmp); 554 c->prompt_inputcb(c, c->prompt_data, cp, 0); 555 free(cp); 556 } 557 558 free(tmp); 559 format_free(ft); 560 } 561 562 /* Remove status line prompt. */ 563 void 564 status_prompt_clear(struct client *c) 565 { 566 if (c->prompt_string == NULL) 567 return; 568 569 if (c->prompt_freecb != NULL && c->prompt_data != NULL) 570 c->prompt_freecb(c->prompt_data); 571 572 free(c->prompt_string); 573 c->prompt_string = NULL; 574 575 free(c->prompt_buffer); 576 c->prompt_buffer = NULL; 577 578 free(c->prompt_saved); 579 c->prompt_saved = NULL; 580 581 c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE); 582 c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */ 583 584 status_pop_screen(c); 585 } 586 587 /* Update status line prompt with a new prompt string. */ 588 void 589 status_prompt_update(struct client *c, const char *msg, const char *input) 590 { 591 struct format_tree *ft; 592 char *tmp; 593 594 ft = format_create(c, NULL, FORMAT_NONE, 0); 595 format_defaults(ft, c, NULL, NULL, NULL); 596 597 tmp = format_expand_time(ft, input); 598 599 free(c->prompt_string); 600 c->prompt_string = format_expand_time(ft, msg); 601 602 free(c->prompt_buffer); 603 c->prompt_buffer = utf8_fromcstr(tmp); 604 c->prompt_index = utf8_strlen(c->prompt_buffer); 605 606 c->prompt_hindex = 0; 607 608 c->flags |= CLIENT_REDRAWSTATUS; 609 610 free(tmp); 611 format_free(ft); 612 } 613 614 /* Draw client prompt on status line of present else on last line. */ 615 int 616 status_prompt_redraw(struct client *c) 617 { 618 struct status_line *sl = &c->status; 619 struct screen_write_ctx ctx; 620 struct session *s = c->session; 621 struct screen old_screen; 622 u_int i, lines, offset, left, start, width; 623 u_int pcursor, pwidth; 624 struct grid_cell gc, cursorgc; 625 626 if (c->tty.sx == 0 || c->tty.sy == 0) 627 return (0); 628 memcpy(&old_screen, sl->active, sizeof old_screen); 629 630 lines = status_line_size(c); 631 if (lines <= 1) 632 lines = 1; 633 screen_init(sl->active, c->tty.sx, lines, 0); 634 635 if (c->prompt_mode == PROMPT_COMMAND) 636 style_apply(&gc, s->options, "message-command-style"); 637 else 638 style_apply(&gc, s->options, "message-style"); 639 640 memcpy(&cursorgc, &gc, sizeof cursorgc); 641 cursorgc.attr ^= GRID_ATTR_REVERSE; 642 643 start = screen_write_strlen("%s", c->prompt_string); 644 if (start > c->tty.sx) 645 start = c->tty.sx; 646 647 screen_write_start(&ctx, NULL, sl->active); 648 screen_write_fast_copy(&ctx, &sl->screen, 0, 0, c->tty.sx, lines - 1); 649 screen_write_cursormove(&ctx, 0, lines - 1, 0); 650 for (offset = 0; offset < c->tty.sx; offset++) 651 screen_write_putc(&ctx, &gc, ' '); 652 screen_write_cursormove(&ctx, 0, lines - 1, 0); 653 screen_write_nputs(&ctx, start, &gc, "%s", c->prompt_string); 654 screen_write_cursormove(&ctx, start, lines - 1, 0); 655 656 left = c->tty.sx - start; 657 if (left == 0) 658 goto finished; 659 660 pcursor = utf8_strwidth(c->prompt_buffer, c->prompt_index); 661 pwidth = utf8_strwidth(c->prompt_buffer, -1); 662 if (pcursor >= left) { 663 /* 664 * The cursor would be outside the screen so start drawing 665 * with it on the right. 666 */ 667 offset = (pcursor - left) + 1; 668 pwidth = left; 669 } else 670 offset = 0; 671 if (pwidth > left) 672 pwidth = left; 673 674 width = 0; 675 for (i = 0; c->prompt_buffer[i].size != 0; i++) { 676 if (width < offset) { 677 width += c->prompt_buffer[i].width; 678 continue; 679 } 680 if (width >= offset + pwidth) 681 break; 682 width += c->prompt_buffer[i].width; 683 if (width > offset + pwidth) 684 break; 685 686 if (i != c->prompt_index) { 687 utf8_copy(&gc.data, &c->prompt_buffer[i]); 688 screen_write_cell(&ctx, &gc); 689 } else { 690 utf8_copy(&cursorgc.data, &c->prompt_buffer[i]); 691 screen_write_cell(&ctx, &cursorgc); 692 } 693 } 694 if (sl->active->cx < screen_size_x(sl->active) && c->prompt_index >= i) 695 screen_write_putc(&ctx, &cursorgc, ' '); 696 697 finished: 698 screen_write_stop(&ctx); 699 700 if (grid_compare(sl->active->grid, old_screen.grid) == 0) { 701 screen_free(&old_screen); 702 return (0); 703 } 704 screen_free(&old_screen); 705 return (1); 706 } 707 708 /* Is this a separator? */ 709 static int 710 status_prompt_in_list(const char *ws, const struct utf8_data *ud) 711 { 712 if (ud->size != 1 || ud->width != 1) 713 return (0); 714 return (strchr(ws, *ud->data) != NULL); 715 } 716 717 /* Is this a space? */ 718 static int 719 status_prompt_space(const struct utf8_data *ud) 720 { 721 if (ud->size != 1 || ud->width != 1) 722 return (0); 723 return (*ud->data == ' '); 724 } 725 726 /* 727 * Translate key from emacs to vi. Return 0 to drop key, 1 to process the key 728 * as an emacs key; return 2 to append to the buffer. 729 */ 730 static int 731 status_prompt_translate_key(struct client *c, key_code key, key_code *new_key) 732 { 733 if (c->prompt_mode == PROMPT_ENTRY) { 734 switch (key) { 735 case '\003': /* C-c */ 736 case '\010': /* C-h */ 737 case '\011': /* Tab */ 738 case '\025': /* C-u */ 739 case '\027': /* C-w */ 740 case '\n': 741 case '\r': 742 case KEYC_BSPACE: 743 case KEYC_DC: 744 case KEYC_DOWN: 745 case KEYC_END: 746 case KEYC_HOME: 747 case KEYC_LEFT: 748 case KEYC_RIGHT: 749 case KEYC_UP: 750 *new_key = key; 751 return (1); 752 case '\033': /* Escape */ 753 c->prompt_mode = PROMPT_COMMAND; 754 c->flags |= CLIENT_REDRAWSTATUS; 755 return (0); 756 } 757 *new_key = key; 758 return (2); 759 } 760 761 switch (key) { 762 case 'A': 763 case 'I': 764 case 'C': 765 case 's': 766 case 'a': 767 c->prompt_mode = PROMPT_ENTRY; 768 c->flags |= CLIENT_REDRAWSTATUS; 769 break; /* switch mode and... */ 770 case 'S': 771 c->prompt_mode = PROMPT_ENTRY; 772 c->flags |= CLIENT_REDRAWSTATUS; 773 *new_key = '\025'; /* C-u */ 774 return (1); 775 case 'i': 776 case '\033': /* Escape */ 777 c->prompt_mode = PROMPT_ENTRY; 778 c->flags |= CLIENT_REDRAWSTATUS; 779 return (0); 780 } 781 782 switch (key) { 783 case 'A': 784 case '$': 785 *new_key = KEYC_END; 786 return (1); 787 case 'I': 788 case '0': 789 case '^': 790 *new_key = KEYC_HOME; 791 return (1); 792 case 'C': 793 case 'D': 794 *new_key = '\013'; /* C-k */ 795 return (1); 796 case KEYC_BSPACE: 797 case 'X': 798 *new_key = KEYC_BSPACE; 799 return (1); 800 case 'b': 801 case 'B': 802 *new_key = 'b'|KEYC_ESCAPE; 803 return (1); 804 case 'd': 805 *new_key = '\025'; 806 return (1); 807 case 'e': 808 case 'E': 809 case 'w': 810 case 'W': 811 *new_key = 'f'|KEYC_ESCAPE; 812 return (1); 813 case 'p': 814 *new_key = '\031'; /* C-y */ 815 return (1); 816 case 's': 817 case KEYC_DC: 818 case 'x': 819 *new_key = KEYC_DC; 820 return (1); 821 case KEYC_DOWN: 822 case 'j': 823 *new_key = KEYC_DOWN; 824 return (1); 825 case KEYC_LEFT: 826 case 'h': 827 *new_key = KEYC_LEFT; 828 return (1); 829 case 'a': 830 case KEYC_RIGHT: 831 case 'l': 832 *new_key = KEYC_RIGHT; 833 return (1); 834 case KEYC_UP: 835 case 'k': 836 *new_key = KEYC_UP; 837 return (1); 838 case '\010' /* C-h */: 839 case '\003' /* C-c */: 840 case '\n': 841 case '\r': 842 return (1); 843 } 844 return (0); 845 } 846 847 /* Paste into prompt. */ 848 static int 849 status_prompt_paste(struct client *c) 850 { 851 struct paste_buffer *pb; 852 const char *bufdata; 853 size_t size, n, bufsize; 854 u_int i; 855 struct utf8_data *ud, *udp; 856 enum utf8_state more; 857 858 size = utf8_strlen(c->prompt_buffer); 859 if (c->prompt_saved != NULL) { 860 ud = c->prompt_saved; 861 n = utf8_strlen(c->prompt_saved); 862 } else { 863 if ((pb = paste_get_top(NULL)) == NULL) 864 return (0); 865 bufdata = paste_buffer_data(pb, &bufsize); 866 ud = xreallocarray(NULL, bufsize + 1, sizeof *ud); 867 udp = ud; 868 for (i = 0; i != bufsize; /* nothing */) { 869 more = utf8_open(udp, bufdata[i]); 870 if (more == UTF8_MORE) { 871 while (++i != bufsize && more == UTF8_MORE) 872 more = utf8_append(udp, bufdata[i]); 873 if (more == UTF8_DONE) { 874 udp++; 875 continue; 876 } 877 i -= udp->have; 878 } 879 if (bufdata[i] <= 31 || bufdata[i] >= 127) 880 break; 881 utf8_set(udp, bufdata[i]); 882 udp++; 883 i++; 884 } 885 udp->size = 0; 886 n = udp - ud; 887 } 888 if (n == 0) 889 return (0); 890 891 c->prompt_buffer = xreallocarray(c->prompt_buffer, size + n + 1, 892 sizeof *c->prompt_buffer); 893 if (c->prompt_index == size) { 894 memcpy(c->prompt_buffer + c->prompt_index, ud, 895 n * sizeof *c->prompt_buffer); 896 c->prompt_index += n; 897 c->prompt_buffer[c->prompt_index].size = 0; 898 } else { 899 memmove(c->prompt_buffer + c->prompt_index + n, 900 c->prompt_buffer + c->prompt_index, 901 (size + 1 - c->prompt_index) * sizeof *c->prompt_buffer); 902 memcpy(c->prompt_buffer + c->prompt_index, ud, 903 n * sizeof *c->prompt_buffer); 904 c->prompt_index += n; 905 } 906 907 if (ud != c->prompt_saved) 908 free(ud); 909 return (1); 910 } 911 912 /* Handle keys in prompt. */ 913 int 914 status_prompt_key(struct client *c, key_code key) 915 { 916 struct options *oo = c->session->options; 917 char *s, *cp, word[64], prefix = '='; 918 const char *histstr, *ws = NULL; 919 size_t size, n, off, idx, used; 920 struct utf8_data tmp, *first, *last, *ud; 921 int keys; 922 923 size = utf8_strlen(c->prompt_buffer); 924 925 if (c->prompt_flags & PROMPT_NUMERIC) { 926 if (key >= '0' && key <= '9') 927 goto append_key; 928 s = utf8_tocstr(c->prompt_buffer); 929 c->prompt_inputcb(c, c->prompt_data, s, 1); 930 status_prompt_clear(c); 931 free(s); 932 return (1); 933 } 934 key &= ~KEYC_XTERM; 935 936 keys = options_get_number(c->session->options, "status-keys"); 937 if (keys == MODEKEY_VI) { 938 switch (status_prompt_translate_key(c, key, &key)) { 939 case 1: 940 goto process_key; 941 case 2: 942 goto append_key; 943 default: 944 return (0); 945 } 946 } 947 948 process_key: 949 switch (key) { 950 case KEYC_LEFT: 951 case '\002': /* C-b */ 952 if (c->prompt_index > 0) { 953 c->prompt_index--; 954 break; 955 } 956 break; 957 case KEYC_RIGHT: 958 case '\006': /* C-f */ 959 if (c->prompt_index < size) { 960 c->prompt_index++; 961 break; 962 } 963 break; 964 case KEYC_HOME: 965 case '\001': /* C-a */ 966 if (c->prompt_index != 0) { 967 c->prompt_index = 0; 968 break; 969 } 970 break; 971 case KEYC_END: 972 case '\005': /* C-e */ 973 if (c->prompt_index != size) { 974 c->prompt_index = size; 975 break; 976 } 977 break; 978 case '\011': /* Tab */ 979 if (c->prompt_buffer[0].size == 0) 980 break; 981 982 idx = c->prompt_index; 983 if (idx != 0) 984 idx--; 985 986 /* Find the word we are in. */ 987 first = &c->prompt_buffer[idx]; 988 while (first > c->prompt_buffer && !status_prompt_space(first)) 989 first--; 990 while (first->size != 0 && status_prompt_space(first)) 991 first++; 992 last = &c->prompt_buffer[idx]; 993 while (last->size != 0 && !status_prompt_space(last)) 994 last++; 995 while (last > c->prompt_buffer && status_prompt_space(last)) 996 last--; 997 if (last->size != 0) 998 last++; 999 if (last <= first) 1000 break; 1001 1002 used = 0; 1003 for (ud = first; ud < last; ud++) { 1004 if (used + ud->size >= sizeof word) 1005 break; 1006 memcpy(word + used, ud->data, ud->size); 1007 used += ud->size; 1008 } 1009 if (ud != last) 1010 break; 1011 word[used] = '\0'; 1012 1013 /* And try to complete it. */ 1014 if ((s = status_prompt_complete(c->session, word)) == NULL) 1015 break; 1016 1017 /* Trim out word. */ 1018 n = size - (last - c->prompt_buffer) + 1; /* with \0 */ 1019 memmove(first, last, n * sizeof *c->prompt_buffer); 1020 size -= last - first; 1021 1022 /* Insert the new word. */ 1023 size += strlen(s); 1024 off = first - c->prompt_buffer; 1025 c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 1, 1026 sizeof *c->prompt_buffer); 1027 first = c->prompt_buffer + off; 1028 memmove(first + strlen(s), first, n * sizeof *c->prompt_buffer); 1029 for (idx = 0; idx < strlen(s); idx++) 1030 utf8_set(&first[idx], s[idx]); 1031 1032 c->prompt_index = (first - c->prompt_buffer) + strlen(s); 1033 free(s); 1034 1035 goto changed; 1036 case KEYC_BSPACE: 1037 case '\010': /* C-h */ 1038 if (c->prompt_index != 0) { 1039 if (c->prompt_index == size) 1040 c->prompt_buffer[--c->prompt_index].size = 0; 1041 else { 1042 memmove(c->prompt_buffer + c->prompt_index - 1, 1043 c->prompt_buffer + c->prompt_index, 1044 (size + 1 - c->prompt_index) * 1045 sizeof *c->prompt_buffer); 1046 c->prompt_index--; 1047 } 1048 goto changed; 1049 } 1050 break; 1051 case KEYC_DC: 1052 case '\004': /* C-d */ 1053 if (c->prompt_index != size) { 1054 memmove(c->prompt_buffer + c->prompt_index, 1055 c->prompt_buffer + c->prompt_index + 1, 1056 (size + 1 - c->prompt_index) * 1057 sizeof *c->prompt_buffer); 1058 goto changed; 1059 } 1060 break; 1061 case '\025': /* C-u */ 1062 c->prompt_buffer[0].size = 0; 1063 c->prompt_index = 0; 1064 goto changed; 1065 case '\013': /* C-k */ 1066 if (c->prompt_index < size) { 1067 c->prompt_buffer[c->prompt_index].size = 0; 1068 goto changed; 1069 } 1070 break; 1071 case '\027': /* C-w */ 1072 ws = options_get_string(oo, "word-separators"); 1073 idx = c->prompt_index; 1074 1075 /* Find a non-separator. */ 1076 while (idx != 0) { 1077 idx--; 1078 if (!status_prompt_in_list(ws, &c->prompt_buffer[idx])) 1079 break; 1080 } 1081 1082 /* Find the separator at the beginning of the word. */ 1083 while (idx != 0) { 1084 idx--; 1085 if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) { 1086 /* Go back to the word. */ 1087 idx++; 1088 break; 1089 } 1090 } 1091 1092 free(c->prompt_saved); 1093 c->prompt_saved = xcalloc(sizeof *c->prompt_buffer, 1094 (c->prompt_index - idx) + 1); 1095 memcpy(c->prompt_saved, c->prompt_buffer + idx, 1096 (c->prompt_index - idx) * sizeof *c->prompt_buffer); 1097 1098 memmove(c->prompt_buffer + idx, 1099 c->prompt_buffer + c->prompt_index, 1100 (size + 1 - c->prompt_index) * 1101 sizeof *c->prompt_buffer); 1102 memset(c->prompt_buffer + size - (c->prompt_index - idx), 1103 '\0', (c->prompt_index - idx) * sizeof *c->prompt_buffer); 1104 c->prompt_index = idx; 1105 1106 goto changed; 1107 case 'f'|KEYC_ESCAPE: 1108 case KEYC_RIGHT|KEYC_CTRL: 1109 ws = options_get_string(oo, "word-separators"); 1110 1111 /* Find a word. */ 1112 while (c->prompt_index != size) { 1113 idx = ++c->prompt_index; 1114 if (!status_prompt_in_list(ws, &c->prompt_buffer[idx])) 1115 break; 1116 } 1117 1118 /* Find the separator at the end of the word. */ 1119 while (c->prompt_index != size) { 1120 idx = ++c->prompt_index; 1121 if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) 1122 break; 1123 } 1124 1125 /* Back up to the end-of-word like vi. */ 1126 if (options_get_number(oo, "status-keys") == MODEKEY_VI && 1127 c->prompt_index != 0) 1128 c->prompt_index--; 1129 1130 goto changed; 1131 case 'b'|KEYC_ESCAPE: 1132 case KEYC_LEFT|KEYC_CTRL: 1133 ws = options_get_string(oo, "word-separators"); 1134 1135 /* Find a non-separator. */ 1136 while (c->prompt_index != 0) { 1137 idx = --c->prompt_index; 1138 if (!status_prompt_in_list(ws, &c->prompt_buffer[idx])) 1139 break; 1140 } 1141 1142 /* Find the separator at the beginning of the word. */ 1143 while (c->prompt_index != 0) { 1144 idx = --c->prompt_index; 1145 if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) { 1146 /* Go back to the word. */ 1147 c->prompt_index++; 1148 break; 1149 } 1150 } 1151 goto changed; 1152 case KEYC_UP: 1153 case '\020': /* C-p */ 1154 histstr = status_prompt_up_history(&c->prompt_hindex); 1155 if (histstr == NULL) 1156 break; 1157 free(c->prompt_buffer); 1158 c->prompt_buffer = utf8_fromcstr(histstr); 1159 c->prompt_index = utf8_strlen(c->prompt_buffer); 1160 goto changed; 1161 case KEYC_DOWN: 1162 case '\016': /* C-n */ 1163 histstr = status_prompt_down_history(&c->prompt_hindex); 1164 if (histstr == NULL) 1165 break; 1166 free(c->prompt_buffer); 1167 c->prompt_buffer = utf8_fromcstr(histstr); 1168 c->prompt_index = utf8_strlen(c->prompt_buffer); 1169 goto changed; 1170 case '\031': /* C-y */ 1171 if (status_prompt_paste(c)) 1172 goto changed; 1173 break; 1174 case '\024': /* C-t */ 1175 idx = c->prompt_index; 1176 if (idx < size) 1177 idx++; 1178 if (idx >= 2) { 1179 utf8_copy(&tmp, &c->prompt_buffer[idx - 2]); 1180 utf8_copy(&c->prompt_buffer[idx - 2], 1181 &c->prompt_buffer[idx - 1]); 1182 utf8_copy(&c->prompt_buffer[idx - 1], &tmp); 1183 c->prompt_index = idx; 1184 goto changed; 1185 } 1186 break; 1187 case '\r': 1188 case '\n': 1189 s = utf8_tocstr(c->prompt_buffer); 1190 if (*s != '\0') 1191 status_prompt_add_history(s); 1192 if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0) 1193 status_prompt_clear(c); 1194 free(s); 1195 break; 1196 case '\033': /* Escape */ 1197 case '\003': /* C-c */ 1198 case '\007': /* C-g */ 1199 if (c->prompt_inputcb(c, c->prompt_data, NULL, 1) == 0) 1200 status_prompt_clear(c); 1201 break; 1202 case '\022': /* C-r */ 1203 if (c->prompt_flags & PROMPT_INCREMENTAL) { 1204 prefix = '-'; 1205 goto changed; 1206 } 1207 break; 1208 case '\023': /* C-s */ 1209 if (c->prompt_flags & PROMPT_INCREMENTAL) { 1210 prefix = '+'; 1211 goto changed; 1212 } 1213 break; 1214 default: 1215 goto append_key; 1216 } 1217 1218 c->flags |= CLIENT_REDRAWSTATUS; 1219 return (0); 1220 1221 append_key: 1222 if (key <= 0x1f || key >= KEYC_BASE) 1223 return (0); 1224 if (utf8_split(key, &tmp) != UTF8_DONE) 1225 return (0); 1226 1227 c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 2, 1228 sizeof *c->prompt_buffer); 1229 1230 if (c->prompt_index == size) { 1231 utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp); 1232 c->prompt_index++; 1233 c->prompt_buffer[c->prompt_index].size = 0; 1234 } else { 1235 memmove(c->prompt_buffer + c->prompt_index + 1, 1236 c->prompt_buffer + c->prompt_index, 1237 (size + 1 - c->prompt_index) * 1238 sizeof *c->prompt_buffer); 1239 utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp); 1240 c->prompt_index++; 1241 } 1242 1243 if (c->prompt_flags & PROMPT_SINGLE) { 1244 s = utf8_tocstr(c->prompt_buffer); 1245 if (strlen(s) != 1) 1246 status_prompt_clear(c); 1247 else if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0) 1248 status_prompt_clear(c); 1249 free(s); 1250 } 1251 1252 changed: 1253 c->flags |= CLIENT_REDRAWSTATUS; 1254 if (c->prompt_flags & PROMPT_INCREMENTAL) { 1255 s = utf8_tocstr(c->prompt_buffer); 1256 xasprintf(&cp, "%c%s", prefix, s); 1257 c->prompt_inputcb(c, c->prompt_data, cp, 0); 1258 free(cp); 1259 free(s); 1260 } 1261 return (0); 1262 } 1263 1264 /* Get previous line from the history. */ 1265 static const char * 1266 status_prompt_up_history(u_int *idx) 1267 { 1268 /* 1269 * History runs from 0 to size - 1. Index is from 0 to size. Zero is 1270 * empty. 1271 */ 1272 1273 if (status_prompt_hsize == 0 || *idx == status_prompt_hsize) 1274 return (NULL); 1275 (*idx)++; 1276 return (status_prompt_hlist[status_prompt_hsize - *idx]); 1277 } 1278 1279 /* Get next line from the history. */ 1280 static const char * 1281 status_prompt_down_history(u_int *idx) 1282 { 1283 if (status_prompt_hsize == 0 || *idx == 0) 1284 return (""); 1285 (*idx)--; 1286 if (*idx == 0) 1287 return (""); 1288 return (status_prompt_hlist[status_prompt_hsize - *idx]); 1289 } 1290 1291 /* Add line to the history. */ 1292 static void 1293 status_prompt_add_history(const char *line) 1294 { 1295 size_t size; 1296 1297 if (status_prompt_hsize > 0 && 1298 strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0) 1299 return; 1300 1301 if (status_prompt_hsize == PROMPT_HISTORY) { 1302 free(status_prompt_hlist[0]); 1303 1304 size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist; 1305 memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size); 1306 1307 status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line); 1308 return; 1309 } 1310 1311 status_prompt_hlist = xreallocarray(status_prompt_hlist, 1312 status_prompt_hsize + 1, sizeof *status_prompt_hlist); 1313 status_prompt_hlist[status_prompt_hsize++] = xstrdup(line); 1314 } 1315 1316 /* Build completion list. */ 1317 char ** 1318 status_prompt_complete_list(u_int *size, const char *s) 1319 { 1320 char **list = NULL; 1321 const char **layout, *value, *cp; 1322 const struct cmd_entry **cmdent; 1323 const struct options_table_entry *oe; 1324 u_int idx; 1325 size_t slen = strlen(s), valuelen; 1326 struct options_entry *o; 1327 struct options_array_item *a; 1328 const char *layouts[] = { 1329 "even-horizontal", "even-vertical", "main-horizontal", 1330 "main-vertical", "tiled", NULL 1331 }; 1332 1333 *size = 0; 1334 for (cmdent = cmd_table; *cmdent != NULL; cmdent++) { 1335 if (strncmp((*cmdent)->name, s, slen) == 0) { 1336 list = xreallocarray(list, (*size) + 1, sizeof *list); 1337 list[(*size)++] = xstrdup((*cmdent)->name); 1338 } 1339 } 1340 for (oe = options_table; oe->name != NULL; oe++) { 1341 if (strncmp(oe->name, s, slen) == 0) { 1342 list = xreallocarray(list, (*size) + 1, sizeof *list); 1343 list[(*size)++] = xstrdup(oe->name); 1344 } 1345 } 1346 for (layout = layouts; *layout != NULL; layout++) { 1347 if (strncmp(*layout, s, slen) == 0) { 1348 list = xreallocarray(list, (*size) + 1, sizeof *list); 1349 list[(*size)++] = xstrdup(*layout); 1350 } 1351 } 1352 o = options_get_only(global_options, "command-alias"); 1353 if (o != NULL) { 1354 a = options_array_first(o); 1355 while (a != NULL) { 1356 value = options_array_item_value(a)->string; 1357 if ((cp = strchr(value, '=')) == NULL) 1358 goto next; 1359 valuelen = cp - value; 1360 if (slen > valuelen || strncmp(value, s, slen) != 0) 1361 goto next; 1362 1363 list = xreallocarray(list, (*size) + 1, sizeof *list); 1364 list[(*size)++] = xstrndup(value, valuelen); 1365 1366 next: 1367 a = options_array_next(a); 1368 } 1369 } 1370 for (idx = 0; idx < (*size); idx++) 1371 log_debug("complete %u: %s", idx, list[idx]); 1372 return (list); 1373 } 1374 1375 /* Find longest prefix. */ 1376 static char * 1377 status_prompt_complete_prefix(char **list, u_int size) 1378 { 1379 char *out; 1380 u_int i; 1381 size_t j; 1382 1383 out = xstrdup(list[0]); 1384 for (i = 1; i < size; i++) { 1385 j = strlen(list[i]); 1386 if (j > strlen(out)) 1387 j = strlen(out); 1388 for (; j > 0; j--) { 1389 if (out[j - 1] != list[i][j - 1]) 1390 out[j - 1] = '\0'; 1391 } 1392 } 1393 return (out); 1394 } 1395 1396 /* Complete word. */ 1397 static char * 1398 status_prompt_complete(struct session *session, const char *s) 1399 { 1400 char **list = NULL; 1401 const char *colon; 1402 u_int size = 0, i; 1403 struct session *s_loop; 1404 struct winlink *wl; 1405 struct window *w; 1406 char *copy, *out, *tmp; 1407 1408 if (*s == '\0') 1409 return (NULL); 1410 out = NULL; 1411 1412 if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) { 1413 list = status_prompt_complete_list(&size, s); 1414 if (size == 0) 1415 out = NULL; 1416 else if (size == 1) 1417 xasprintf(&out, "%s ", list[0]); 1418 else 1419 out = status_prompt_complete_prefix(list, size); 1420 for (i = 0; i < size; i++) 1421 free(list[i]); 1422 free(list); 1423 return (out); 1424 } 1425 copy = xstrdup(s); 1426 1427 colon = ":"; 1428 if (copy[strlen(copy) - 1] == ':') 1429 copy[strlen(copy) - 1] = '\0'; 1430 else 1431 colon = ""; 1432 s = copy + 2; 1433 1434 RB_FOREACH(s_loop, sessions, &sessions) { 1435 if (strncmp(s_loop->name, s, strlen(s)) == 0) { 1436 list = xreallocarray(list, size + 2, sizeof *list); 1437 list[size++] = s_loop->name; 1438 } 1439 } 1440 if (size == 1) { 1441 out = xstrdup(list[0]); 1442 if (session_find(list[0]) != NULL) 1443 colon = ":"; 1444 } else if (size != 0) 1445 out = status_prompt_complete_prefix(list, size); 1446 if (out != NULL) { 1447 xasprintf(&tmp, "-%c%s%s", copy[1], out, colon); 1448 free(out); 1449 out = tmp; 1450 goto found; 1451 } 1452 1453 colon = ""; 1454 if (*s == ':') { 1455 RB_FOREACH(wl, winlinks, &session->windows) { 1456 xasprintf(&tmp, ":%s", wl->window->name); 1457 if (strncmp(tmp, s, strlen(s)) == 0){ 1458 list = xreallocarray(list, size + 1, 1459 sizeof *list); 1460 list[size++] = tmp; 1461 continue; 1462 } 1463 free(tmp); 1464 1465 xasprintf(&tmp, ":%d", wl->idx); 1466 if (strncmp(tmp, s, strlen(s)) == 0) { 1467 list = xreallocarray(list, size + 1, 1468 sizeof *list); 1469 list[size++] = tmp; 1470 continue; 1471 } 1472 free(tmp); 1473 } 1474 } else { 1475 RB_FOREACH(s_loop, sessions, &sessions) { 1476 RB_FOREACH(wl, winlinks, &s_loop->windows) { 1477 w = wl->window; 1478 1479 xasprintf(&tmp, "%s:%s", s_loop->name, w->name); 1480 if (strncmp(tmp, s, strlen(s)) == 0) { 1481 list = xreallocarray(list, size + 1, 1482 sizeof *list); 1483 list[size++] = tmp; 1484 continue; 1485 } 1486 free(tmp); 1487 1488 xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx); 1489 if (strncmp(tmp, s, strlen(s)) == 0) { 1490 list = xreallocarray(list, size + 1, 1491 sizeof *list); 1492 list[size++] = tmp; 1493 continue; 1494 } 1495 free(tmp); 1496 } 1497 } 1498 } 1499 if (size == 1) { 1500 out = xstrdup(list[0]); 1501 colon = " "; 1502 } else if (size != 0) 1503 out = status_prompt_complete_prefix(list, size); 1504 if (out != NULL) { 1505 xasprintf(&tmp, "-%c%s%s", copy[1], out, colon); 1506 out = tmp; 1507 } 1508 1509 for (i = 0; i < size; i++) 1510 free(__UNCONST(list[i])); 1511 1512 found: 1513 free(copy); 1514 free(list); 1515 return (out); 1516 } 1517