options-table.c

   1 /* $OpenBSD$ */
   2
   3 /*
   4  * Copyright (c) 2011 Nicholas Marriott <nicm@users.sourceforge.net>
   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
  21 #include <string.h>
  22 #include <paths.h>
  23
  24 #include "tmux.h"
  25
  26 /*
  27  * This file has a tables with all the server, session and window
  28  * options. These tables are the master copy of the options with their real
  29  * (user-visible) types, range limits and default values. At start these are
  30  * copied into the runtime global options trees (which only has number and
  31  * string types). These tables are then used to loop up the real type when
  32  * the user sets an option or its value needs to be shown.
  33  */
  34
  35 /* Choice option type lists. */
  36 const char *options_table_mode_keys_list[] = {
  37         "emacs", "vi", NULL
  38 };
  39 const char *options_table_mode_mouse_list[] = {
  40         "off", "on", "copy-mode", NULL
  41 };
  42 const char *options_table_clock_mode_style_list[] = {
  43         "12", "24", NULL
  44 };
  45 const char *options_table_status_keys_list[] = {
  46         "emacs", "vi", NULL
  47 };
  48 const char *options_table_status_justify_list[] = {
  49         "left", "centre", "right", NULL
  50 };
  51 const char *options_table_status_position_list[] = {
  52         "top", "bottom", NULL
  53 };
  54 const char *options_table_bell_action_list[] = {
  55         "none", "any", "current", NULL
  56 };
  57
  58 /* Server options. */
  59 const struct options_table_entry server_options_table[] = {
  60         { .name = "buffer-limit",
  61           .type = OPTIONS_TABLE_NUMBER,
  62           .minimum = 1,
  63           .maximum = INT_MAX,
  64           .default_num = 20
  65         },
  66
  67         { .name = "escape-time",
  68           .type = OPTIONS_TABLE_NUMBER,
  69           .minimum = 0,
  70           .maximum = INT_MAX,
  71           .default_num = 500
  72         },
  73
  74         { .name = "exit-unattached",
  75           .type = OPTIONS_TABLE_FLAG,
  76           .default_num = 0
  77         },
  78
  79         { .name = "focus-events",
  80           .type = OPTIONS_TABLE_FLAG,
  81           .default_num = 0
  82         },
  83
  84         { .name = "quiet",
  85           .type = OPTIONS_TABLE_FLAG,
  86           .default_num = 0 /* overridden in main() */
  87         },
  88
  89         { .name = "set-clipboard",
  90           .type = OPTIONS_TABLE_FLAG,
  91           .default_num = 1
  92         },
  93
  94         { .name = NULL }
  95 };
  96
  97 /* Session options. */
  98 const struct options_table_entry session_options_table[] = {
  99         { .name = "assume-paste-time",
 100           .type = OPTIONS_TABLE_NUMBER,
 101           .minimum = 0,
 102           .maximum = INT_MAX,
 103           .default_num = 1,
 104         },
 105
 106         { .name = "base-index",
 107           .type = OPTIONS_TABLE_NUMBER,
 108           .minimum = 0,
 109           .maximum = INT_MAX,
 110           .default_num = 0
 111         },
 112
 113         { .name = "bell-action",
 114           .type = OPTIONS_TABLE_CHOICE,
 115           .choices = options_table_bell_action_list,
 116           .default_num = BELL_ANY
 117         },
 118
 119         { .name = "bell-on-alert",
 120           .type = OPTIONS_TABLE_FLAG,
 121           .default_num = 0
 122         },
 123
 124         { .name = "default-command",
 125           .type = OPTIONS_TABLE_STRING,
 126           .default_str = ""
 127         },
 128
 129         { .name = "default-path",
 130           .type = OPTIONS_TABLE_STRING,
 131           .default_str = "~"
 132         },
 133
 134         { .name = "default-shell",
 135           .type = OPTIONS_TABLE_STRING,
 136           .default_str = _PATH_BSHELL
 137         },
 138
 139         { .name = "default-terminal",
 140           .type = OPTIONS_TABLE_STRING,
 141           .default_str = "screen"
 142         },
 143
 144         { .name = "destroy-unattached",
 145           .type = OPTIONS_TABLE_FLAG,
 146           .default_num = 0
 147         },
 148
 149         { .name = "detach-on-destroy",
 150           .type = OPTIONS_TABLE_FLAG,
 151           .default_num = 1
 152         },
 153
 154         { .name = "display-panes-active-colour",
 155           .type = OPTIONS_TABLE_COLOUR,
 156           .default_num = 1
 157         },
 158
 159         { .name = "display-panes-colour",
 160           .type = OPTIONS_TABLE_COLOUR,
 161           .default_num = 4
 162         },
 163
 164         { .name = "display-panes-time",
 165           .type = OPTIONS_TABLE_NUMBER,
 166           .minimum = 1,
 167           .maximum = INT_MAX,
 168           .default_num = 1000
 169         },
 170
 171         { .name = "display-time",
 172           .type = OPTIONS_TABLE_NUMBER,
 173           .minimum = 1,
 174           .maximum = INT_MAX,
 175           .default_num = 750
 176         },
 177
 178         { .name = "history-limit",
 179           .type = OPTIONS_TABLE_NUMBER,
 180           .minimum = 0,
 181           .maximum = INT_MAX,
 182           .default_num = 2000
 183         },
 184
 185         { .name = "lock-after-time",
 186           .type = OPTIONS_TABLE_NUMBER,
 187           .minimum = 0,
 188           .maximum = INT_MAX,
 189           .default_num = 0
 190         },
 191
 192         { .name = "lock-command",
 193           .type = OPTIONS_TABLE_STRING,
 194           .default_str = "lock -np"
 195         },
 196
 197         { .name = "lock-server",
 198           .type = OPTIONS_TABLE_FLAG,
 199           .default_num = 1
 200         },
 201
 202         { .name = "message-attr",
 203           .type = OPTIONS_TABLE_ATTRIBUTES,
 204           .default_num = 0
 205         },
 206
 207         { .name = "message-bg",
 208           .type = OPTIONS_TABLE_COLOUR,
 209           .default_num = 3
 210         },
 211
 212         { .name = "message-command-attr",
 213           .type = OPTIONS_TABLE_ATTRIBUTES,
 214           .default_num = 0
 215         },
 216
 217         { .name = "message-command-bg",
 218           .type = OPTIONS_TABLE_COLOUR,
 219           .default_num = 0
 220         },
 221
 222         { .name = "message-command-fg",
 223           .type = OPTIONS_TABLE_COLOUR,
 224           .default_num = 3
 225         },
 226
 227         { .name = "message-fg",
 228           .type = OPTIONS_TABLE_COLOUR,
 229           .default_num = 0
 230         },
 231
 232         { .name = "message-limit",
 233           .type = OPTIONS_TABLE_NUMBER,
 234           .minimum = 0,
 235           .maximum = INT_MAX,
 236           .default_num = 20
 237         },
 238
 239         { .name = "mouse-resize-pane",
 240           .type = OPTIONS_TABLE_FLAG,
 241           .default_num = 0
 242         },
 243
 244         { .name = "mouse-select-pane",
 245           .type = OPTIONS_TABLE_FLAG,
 246           .default_num = 0
 247         },
 248
 249         { .name = "mouse-select-window",
 250           .type = OPTIONS_TABLE_FLAG,
 251           .default_num = 0
 252         },
 253
 254         { .name = "mouse-utf8",
 255           .type = OPTIONS_TABLE_FLAG,
 256           .default_num = 0
 257         },
 258
 259         { .name = "pane-active-border-bg",
 260           .type = OPTIONS_TABLE_COLOUR,
 261           .default_num = 8
 262         },
 263
 264         { .name = "pane-active-border-fg",
 265           .type = OPTIONS_TABLE_COLOUR,
 266           .default_num = 2
 267         },
 268
 269         { .name = "pane-border-bg",
 270           .type = OPTIONS_TABLE_COLOUR,
 271           .default_num = 8
 272         },
 273
 274         { .name = "pane-border-fg",
 275           .type = OPTIONS_TABLE_COLOUR,
 276           .default_num = 8
 277         },
 278
 279         { .name = "prefix",
 280           .type = OPTIONS_TABLE_KEY,
 281           .default_num = '\002',
 282         },
 283
 284         { .name = "prefix2",
 285           .type = OPTIONS_TABLE_KEY,
 286           .default_num = KEYC_NONE,
 287         },
 288
 289         { .name = "renumber-windows",
 290           .type = OPTIONS_TABLE_FLAG,
 291           .default_num = 0
 292         },
 293
 294         { .name = "repeat-time",
 295           .type = OPTIONS_TABLE_NUMBER,
 296           .minimum = 0,
 297           .maximum = SHRT_MAX,
 298           .default_num = 500
 299         },
 300
 301         { .name = "set-remain-on-exit",
 302           .type = OPTIONS_TABLE_FLAG,
 303           .default_num = 0
 304         },
 305
 306         { .name = "set-titles",
 307           .type = OPTIONS_TABLE_FLAG,
 308           .default_num = 0
 309         },
 310
 311         { .name = "set-titles-string",
 312           .type = OPTIONS_TABLE_STRING,
 313           .default_str = "#S:#I:#W - \"#T\""
 314         },
 315
 316         { .name = "status",
 317           .type = OPTIONS_TABLE_FLAG,
 318           .default_num = 1
 319         },
 320
 321         { .name = "status-attr",
 322           .type = OPTIONS_TABLE_ATTRIBUTES,
 323           .default_num = 0
 324         },
 325
 326         { .name = "status-bg",
 327           .type = OPTIONS_TABLE_COLOUR,
 328           .default_num = 2
 329         },
 330
 331         { .name = "status-fg",
 332           .type = OPTIONS_TABLE_COLOUR,
 333           .default_num = 0
 334         },
 335
 336         { .name = "status-interval",
 337           .type = OPTIONS_TABLE_NUMBER,
 338           .minimum = 0,
 339           .maximum = INT_MAX,
 340           .default_num = 15
 341         },
 342
 343         { .name = "status-justify",
 344           .type = OPTIONS_TABLE_CHOICE,
 345           .choices = options_table_status_justify_list,
 346           .default_num = 0
 347         },
 348
 349         { .name = "status-keys",
 350           .type = OPTIONS_TABLE_CHOICE,
 351           .choices = options_table_status_keys_list,
 352           .default_num = MODEKEY_EMACS
 353         },
 354
 355         { .name = "status-left",
 356           .type = OPTIONS_TABLE_STRING,
 357           .default_str = "[#S]"
 358         },
 359
 360         { .name = "status-left-attr",
 361           .type = OPTIONS_TABLE_ATTRIBUTES,
 362           .default_num = 0
 363         },
 364
 365         { .name = "status-left-bg",
 366           .type = OPTIONS_TABLE_COLOUR,
 367           .default_num = 8
 368         },
 369
 370         { .name = "status-left-fg",
 371           .type = OPTIONS_TABLE_COLOUR,
 372           .default_num = 8
 373         },
 374
 375         { .name = "status-left-length",
 376           .type = OPTIONS_TABLE_NUMBER,
 377           .minimum = 0,
 378           .maximum = SHRT_MAX,
 379           .default_num = 10
 380         },
 381
 382         { .name = "status-position",
 383           .type = OPTIONS_TABLE_CHOICE,
 384           .choices = options_table_status_position_list,
 385           .default_num = 1
 386         },
 387
 388         { .name = "status-right",
 389           .type = OPTIONS_TABLE_STRING,
 390           .default_str = "\"#22T\" %H:%M %d-%b-%y"
 391         },
 392
 393         { .name = "status-right-attr",
 394           .type = OPTIONS_TABLE_ATTRIBUTES,
 395           .default_num = 0
 396         },
 397
 398         { .name = "status-right-bg",
 399           .type = OPTIONS_TABLE_COLOUR,
 400           .default_num = 8
 401         },
 402
 403         { .name = "status-right-fg",
 404           .type = OPTIONS_TABLE_COLOUR,
 405           .default_num = 8
 406         },
 407
 408         { .name = "status-right-length",
 409           .type = OPTIONS_TABLE_NUMBER,
 410           .minimum = 0,
 411           .maximum = SHRT_MAX,
 412           .default_num = 40
 413         },
 414
 415         { .name = "status-utf8",
 416           .type = OPTIONS_TABLE_FLAG,
 417           .default_num = 0 /* overridden in main() */
 418         },
 419
 420         { .name = "terminal-overrides",
 421           .type = OPTIONS_TABLE_STRING,
 422           .default_str = "*256col*:colors=256"
 423                          ",xterm*:XT:Ms=\\E]52;%p1%s;%p2%s\\007"
 424                          ":Cs=\\E]12;%p1%s\\007:Cr=\\E]112\\007"
 425                          ":Ss=\\E[%p1%d q:Se=\\E[2 q,screen*:XT"
 426         },
 427
 428         { .name = "update-environment",
 429           .type = OPTIONS_TABLE_STRING,
 430           .default_str = "DISPLAY SSH_ASKPASS SSH_AUTH_SOCK SSH_AGENT_PID "
 431                          "SSH_CONNECTION WINDOWID XAUTHORITY"
 432
 433         },
 434
 435         { .name = "visual-activity",
 436           .type = OPTIONS_TABLE_FLAG,
 437           .default_num = 0
 438         },
 439
 440         { .name = "visual-bell",
 441           .type = OPTIONS_TABLE_FLAG,
 442           .default_num = 0
 443         },
 444
 445         { .name = "visual-content",
 446           .type = OPTIONS_TABLE_FLAG,
 447           .default_num = 0
 448         },
 449
 450         { .name = "visual-silence",
 451           .type = OPTIONS_TABLE_FLAG,
 452           .default_num = 0
 453         },
 454
 455         { .name = "word-separators",
 456           .type = OPTIONS_TABLE_STRING,
 457           .default_str = " -_@"
 458         },
 459
 460         { .name = NULL }
 461 };
 462
 463 /* Window options. */
 464 const struct options_table_entry window_options_table[] = {
 465         { .name = "aggressive-resize",
 466           .type = OPTIONS_TABLE_FLAG,
 467           .default_num = 0
 468         },
 469
 470         { .name = "allow-rename",
 471           .type = OPTIONS_TABLE_FLAG,
 472           .default_num = 1
 473         },
 474
 475         { .name = "alternate-screen",
 476           .type = OPTIONS_TABLE_FLAG,
 477           .default_num = 1
 478         },
 479
 480         { .name = "automatic-rename",
 481           .type = OPTIONS_TABLE_FLAG,
 482           .default_num = 1
 483         },
 484
 485         { .name = "c0-change-trigger",
 486           .type = OPTIONS_TABLE_NUMBER,
 487           .default_num = 250,
 488           .minimum = 0,
 489           .maximum = USHRT_MAX
 490         },
 491
 492         { .name = "c0-change-interval",
 493           .type = OPTIONS_TABLE_NUMBER,
 494           .default_num = 100,
 495           .minimum = 1,
 496           .maximum = USHRT_MAX
 497         },
 498
 499         { .name = "clock-mode-colour",
 500           .type = OPTIONS_TABLE_COLOUR,
 501           .default_num = 4
 502         },
 503
 504         { .name = "clock-mode-style",
 505           .type = OPTIONS_TABLE_CHOICE,
 506           .choices = options_table_clock_mode_style_list,
 507           .default_num = 1
 508         },
 509
 510         { .name = "force-height",
 511           .type = OPTIONS_TABLE_NUMBER,
 512           .minimum = 0,
 513           .maximum = INT_MAX,
 514           .default_num = 0
 515         },
 516
 517         { .name = "force-width",
 518           .type = OPTIONS_TABLE_NUMBER,
 519           .minimum = 0,
 520           .maximum = INT_MAX,
 521           .default_num = 0
 522         },
 523
 524         { .name = "main-pane-height",
 525           .type = OPTIONS_TABLE_NUMBER,
 526           .minimum = 1,
 527           .maximum = INT_MAX,
 528           .default_num = 24
 529         },
 530
 531         { .name = "main-pane-width",
 532           .type = OPTIONS_TABLE_NUMBER,
 533           .minimum = 1,
 534           .maximum = INT_MAX,
 535           .default_num = 80
 536         },
 537
 538         { .name = "mode-attr",
 539           .type = OPTIONS_TABLE_ATTRIBUTES,
 540           .default_num = 0
 541         },
 542
 543         { .name = "mode-bg",
 544           .type = OPTIONS_TABLE_COLOUR,
 545           .default_num = 3
 546         },
 547
 548         { .name = "mode-fg",
 549           .type = OPTIONS_TABLE_COLOUR,
 550           .default_num = 0
 551         },
 552
 553         { .name = "mode-keys",
 554           .type = OPTIONS_TABLE_CHOICE,
 555           .choices = options_table_mode_keys_list,
 556           .default_num = MODEKEY_EMACS
 557         },
 558
 559         { .name = "mode-mouse",
 560           .type = OPTIONS_TABLE_CHOICE,
 561           .choices = options_table_mode_mouse_list,
 562           .default_num = 0
 563         },
 564
 565         { .name = "monitor-activity",
 566           .type = OPTIONS_TABLE_FLAG,
 567           .default_num = 0
 568         },
 569
 570         { .name = "monitor-content",
 571           .type = OPTIONS_TABLE_STRING,
 572           .default_str = ""
 573         },
 574
 575         { .name = "monitor-silence",
 576           .type = OPTIONS_TABLE_NUMBER,
 577           .minimum = 0,
 578           .maximum = INT_MAX,
 579           .default_num = 0
 580         },
 581
 582         { .name = "other-pane-height",
 583           .type = OPTIONS_TABLE_NUMBER,
 584           .minimum = 0,
 585           .maximum = INT_MAX,
 586           .default_num = 0
 587         },
 588
 589         { .name = "other-pane-width",
 590           .type = OPTIONS_TABLE_NUMBER,
 591           .minimum = 0,
 592           .maximum = INT_MAX,
 593           .default_num = 0
 594         },
 595
 596         { .name = "pane-base-index",
 597           .type = OPTIONS_TABLE_NUMBER,
 598           .minimum = 0,
 599           .maximum = USHRT_MAX,
 600           .default_num = 0
 601         },
 602
 603         { .name = "remain-on-exit",
 604           .type = OPTIONS_TABLE_FLAG,
 605           .default_num = 0
 606         },
 607
 608         { .name = "synchronize-panes",
 609           .type = OPTIONS_TABLE_FLAG,
 610           .default_num = 0
 611         },
 612
 613         { .name = "utf8",
 614           .type = OPTIONS_TABLE_FLAG,
 615           .default_num = 0 /* overridden in main() */
 616         },
 617
 618         { .name = "window-status-activity-attr",
 619           .type = OPTIONS_TABLE_ATTRIBUTES,
 620           .default_num = GRID_ATTR_REVERSE
 621         },
 622
 623         { .name = "window-status-activity-bg",
 624           .type = OPTIONS_TABLE_COLOUR,
 625           .default_num = 8
 626         },
 627
 628         { .name = "window-status-activity-fg",
 629           .type = OPTIONS_TABLE_COLOUR,
 630           .default_num = 8
 631         },
 632
 633         { .name = "window-status-bell-attr",
 634           .type = OPTIONS_TABLE_ATTRIBUTES,
 635           .default_num = GRID_ATTR_REVERSE
 636         },
 637
 638         { .name = "window-status-bell-bg",
 639           .type = OPTIONS_TABLE_COLOUR,
 640           .default_num = 8
 641         },
 642
 643         { .name = "window-status-bell-fg",
 644           .type = OPTIONS_TABLE_COLOUR,
 645           .default_num = 8
 646         },
 647
 648         { .name = "window-status-content-attr",
 649           .type = OPTIONS_TABLE_ATTRIBUTES,
 650           .default_num = GRID_ATTR_REVERSE
 651         },
 652
 653         { .name = "window-status-content-bg",
 654           .type = OPTIONS_TABLE_COLOUR,
 655           .default_num = 8
 656         },
 657
 658         { .name = "window-status-content-fg",
 659           .type = OPTIONS_TABLE_COLOUR,
 660           .default_num = 8
 661         },
 662
 663         { .name = "window-status-attr",
 664           .type = OPTIONS_TABLE_ATTRIBUTES,
 665           .default_num = 0
 666         },
 667
 668         { .name = "window-status-bg",
 669           .type = OPTIONS_TABLE_COLOUR,
 670           .default_num = 8
 671         },
 672
 673         { .name = "window-status-current-attr",
 674           .type = OPTIONS_TABLE_ATTRIBUTES,
 675           .default_num = 0
 676         },
 677
 678         { .name = "window-status-current-bg",
 679           .type = OPTIONS_TABLE_COLOUR,
 680           .default_num = 8
 681         },
 682
 683         { .name = "window-status-current-fg",
 684           .type = OPTIONS_TABLE_COLOUR,
 685           .default_num = 8
 686         },
 687
 688         { .name = "window-status-current-format",
 689           .type = OPTIONS_TABLE_STRING,
 690           .default_str = "#I:#W#F"
 691         },
 692
 693         { .name = "window-status-last-attr",
 694           .type = OPTIONS_TABLE_ATTRIBUTES,
 695           .default_num = 0
 696         },
 697
 698         { .name = "window-status-last-bg",
 699           .type = OPTIONS_TABLE_COLOUR,
 700           .default_num = 8
 701         },
 702
 703         { .name = "window-status-last-fg",
 704           .type = OPTIONS_TABLE_COLOUR,
 705           .default_num = 8
 706         },
 707
 708         { .name = "window-status-fg",
 709           .type = OPTIONS_TABLE_COLOUR,
 710           .default_num = 8
 711         },
 712
 713         { .name = "window-status-format",
 714           .type = OPTIONS_TABLE_STRING,
 715           .default_str = "#I:#W#F"
 716         },
 717
 718         { .name = "window-status-separator",
 719           .type = OPTIONS_TABLE_STRING,
 720           .default_str = " "
 721         },
 722
 723         { .name = "wrap-search",
 724           .type = OPTIONS_TABLE_FLAG,
 725           .default_num = 1
 726         },
 727
 728         { .name = "xterm-keys",
 729           .type = OPTIONS_TABLE_FLAG,
 730           .default_num = 0
 731         },
 732
 733         { .name = NULL }
 734 };
 735
 736 /* Populate an options tree from a table. */
 737 void
 738 options_table_populate_tree(
 739     const struct options_table_entry *table, struct options *oo)
 740 {
 741         const struct options_table_entry        *oe;
 742
 743         for (oe = table; oe->name != NULL; oe++) {
 744                 if (oe->default_str != NULL)
 745                         options_set_string(oo, oe->name, "%s", oe->default_str);
 746                 else
 747                         options_set_number(oo, oe->name, oe->default_num);
 748         }
 749 }
 750
 751 /* Print an option using its type from the table. */
 752 const char *
 753 options_table_print_entry(const struct options_table_entry *oe,
 754     struct options_entry *o, int no_quotes)
 755 {
 756         static char      out[BUFSIZ];
 757         const char      *s;
 758
 759         *out = '\0';
 760         switch (oe->type) {
 761         case OPTIONS_TABLE_STRING:
 762                 if (no_quotes)
 763                         xsnprintf(out, sizeof out, "%s", o->str);
 764                 else
 765                         xsnprintf(out, sizeof out, "\"%s\"", o->str);
 766                 break;
 767         case OPTIONS_TABLE_NUMBER:
 768                 xsnprintf(out, sizeof out, "%lld", o->num);
 769                 break;
 770         case OPTIONS_TABLE_KEY:
 771                 xsnprintf(out, sizeof out, "%s",
 772                     key_string_lookup_key(o->num));
 773                 break;
 774         case OPTIONS_TABLE_COLOUR:
 775                 s = colour_tostring(o->num);
 776                 xsnprintf(out, sizeof out, "%s", s);
 777                 break;
 778         case OPTIONS_TABLE_ATTRIBUTES:
 779                 s = attributes_tostring(o->num);
 780                 xsnprintf(out, sizeof out, "%s", s);
 781                 break;
 782         case OPTIONS_TABLE_FLAG:
 783                 if (o->num)
 784                         strlcpy(out, "on", sizeof out);
 785                 else
 786                         strlcpy(out, "off", sizeof out);
 787                 break;
 788         case OPTIONS_TABLE_CHOICE:
 789                 s = oe->choices[o->num];
 790                 xsnprintf(out, sizeof out, "%s", s);
 791                 break;
 792         }
 793         return (out);
 794 }
 795
 796 /* Find an option. */
 797 int
 798 options_table_find(
 799     const char *optstr, const struct options_table_entry **table,
 800     const struct options_table_entry **oe)
 801 {
 802         static const struct options_table_entry *tables[] = {
 803                 server_options_table,
 804                 window_options_table,
 805                 session_options_table
 806         };
 807         const struct options_table_entry        *oe_loop;
 808         u_int                                    i;
 809
 810         for (i = 0; i < nitems(tables); i++) {
 811                 for (oe_loop = tables[i]; oe_loop->name != NULL; oe_loop++) {
 812                         if (strncmp(oe_loop->name, optstr, strlen(optstr)) != 0)
 813                                 continue;
 814
 815                         /* If already found, ambiguous. */
 816                         if (*oe != NULL)
 817                                 return (-1);
 818                         *oe = oe_loop;
 819                         *table = tables[i];
 820
 821                         /* Bail now if an exact match. */
 822                         if (strcmp((*oe)->name, optstr) == 0)
 823                                 break;
 824                 }
 825         }
 826         return (0);
 827 }