cmd-set-option.c

   1 /* $Id: cmd-set-option.c,v 1.96 2010-02-26 13:31:39 tcunha Exp $ */
   2
   3 /*
   4  * Copyright (c) 2007 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 <stdlib.h>
  22 #include <string.h>
  23
  24 #include "tmux.h"
  25
  26 /*
  27  * Set an option.
  28  */
  29
  30 int     cmd_set_option_exec(struct cmd *, struct cmd_ctx *);
  31
  32 const char *cmd_set_option_print(
  33             const struct set_option_entry *, struct options_entry *);
  34 void    cmd_set_option_string(struct cmd_ctx *,
  35             struct options *, const struct set_option_entry *, char *, int);
  36 void    cmd_set_option_number(struct cmd_ctx *,
  37             struct options *, const struct set_option_entry *, char *);
  38 void    cmd_set_option_keys(struct cmd_ctx *,
  39             struct options *, const struct set_option_entry *, char *);
  40 void    cmd_set_option_colour(struct cmd_ctx *,
  41             struct options *, const struct set_option_entry *, char *);
  42 void    cmd_set_option_attributes(struct cmd_ctx *,
  43             struct options *, const struct set_option_entry *, char *);
  44 void    cmd_set_option_flag(struct cmd_ctx *,
  45             struct options *, const struct set_option_entry *, char *);
  46 void    cmd_set_option_choice(struct cmd_ctx *,
  47             struct options *, const struct set_option_entry *, char *);
  48
  49 const struct cmd_entry cmd_set_option_entry = {
  50         "set-option", "set",
  51         "[-agsuw] [-t target-session|target-window] option [value]",
  52         CMD_ARG12, "agsuw",
  53         NULL,
  54         cmd_target_parse,
  55         cmd_set_option_exec,
  56         cmd_target_free,
  57         cmd_target_print
  58 };
  59
  60 const char *set_option_mode_keys_list[] = {
  61         "emacs", "vi", NULL
  62 };
  63 const char *set_option_clock_mode_style_list[] = {
  64         "12", "24", NULL
  65 };
  66 const char *set_option_status_keys_list[] = {
  67         "emacs", "vi", NULL
  68 };
  69 const char *set_option_status_justify_list[] = {
  70         "left", "centre", "right", NULL
  71 };
  72 const char *set_option_bell_action_list[] = {
  73         "none", "any", "current", NULL
  74 };
  75
  76 const struct set_option_entry set_option_table[] = {
  77         { "escape-time", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
  78         { "quiet", SET_OPTION_FLAG, 0, 0, NULL },
  79         { NULL, 0, 0, 0, NULL }
  80 };
  81
  82 const struct set_option_entry set_session_option_table[] = {
  83         { "base-index", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
  84         { "bell-action", SET_OPTION_CHOICE, 0, 0, set_option_bell_action_list },
  85         { "buffer-limit", SET_OPTION_NUMBER, 1, INT_MAX, NULL },
  86         { "default-command", SET_OPTION_STRING, 0, 0, NULL },
  87         { "default-path", SET_OPTION_STRING, 0, 0, NULL },
  88         { "default-shell", SET_OPTION_STRING, 0, 0, NULL },
  89         { "default-terminal", SET_OPTION_STRING, 0, 0, NULL },
  90         { "display-panes-colour", SET_OPTION_COLOUR, 0, 0, NULL },
  91         { "display-panes-active-colour", SET_OPTION_COLOUR, 0, 0, NULL },
  92         { "display-panes-time", SET_OPTION_NUMBER, 1, INT_MAX, NULL },
  93         { "display-time", SET_OPTION_NUMBER, 1, INT_MAX, NULL },
  94         { "history-limit", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
  95         { "lock-after-time", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
  96         { "lock-command", SET_OPTION_STRING, 0, 0, NULL },
  97         { "lock-server", SET_OPTION_FLAG, 0, 0, NULL },
  98         { "message-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
  99         { "message-bg", SET_OPTION_COLOUR, 0, 0, NULL },
 100         { "message-fg", SET_OPTION_COLOUR, 0, 0, NULL },
 101         { "message-limit", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
 102         { "mouse-select-pane", SET_OPTION_FLAG, 0, 0, NULL },
 103         { "pane-active-border-bg", SET_OPTION_COLOUR, 0, 0, NULL },
 104         { "pane-active-border-fg", SET_OPTION_COLOUR, 0, 0, NULL },
 105         { "pane-border-bg", SET_OPTION_COLOUR, 0, 0, NULL },
 106         { "pane-border-fg", SET_OPTION_COLOUR, 0, 0, NULL },
 107         { "prefix", SET_OPTION_KEYS, 0, 0, NULL },
 108         { "repeat-time", SET_OPTION_NUMBER, 0, SHRT_MAX, NULL },
 109         { "set-remain-on-exit", SET_OPTION_FLAG, 0, 0, NULL },
 110         { "set-titles", SET_OPTION_FLAG, 0, 0, NULL },
 111         { "set-titles-string", SET_OPTION_STRING, 0, 0, NULL },
 112         { "status", SET_OPTION_FLAG, 0, 0, NULL },
 113         { "status-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
 114         { "status-bg", SET_OPTION_COLOUR, 0, 0, NULL },
 115         { "status-fg", SET_OPTION_COLOUR, 0, 0, NULL },
 116         { "status-interval", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
 117         { "status-justify",
 118           SET_OPTION_CHOICE, 0, 0, set_option_status_justify_list },
 119         { "status-keys", SET_OPTION_CHOICE, 0, 0, set_option_status_keys_list },
 120         { "status-left", SET_OPTION_STRING, 0, 0, NULL },
 121         { "status-left-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
 122         { "status-left-bg", SET_OPTION_COLOUR, 0, 0, NULL },
 123         { "status-left-fg", SET_OPTION_COLOUR, 0, 0, NULL },
 124         { "status-left-length", SET_OPTION_NUMBER, 0, SHRT_MAX, NULL },
 125         { "status-right", SET_OPTION_STRING, 0, 0, NULL },
 126         { "status-right-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
 127         { "status-right-bg", SET_OPTION_COLOUR, 0, 0, NULL },
 128         { "status-right-fg", SET_OPTION_COLOUR, 0, 0, NULL },
 129         { "status-right-length", SET_OPTION_NUMBER, 0, SHRT_MAX, NULL },
 130         { "status-utf8", SET_OPTION_FLAG, 0, 0, NULL },
 131         { "terminal-overrides", SET_OPTION_STRING, 0, 0, NULL },
 132         { "update-environment", SET_OPTION_STRING, 0, 0, NULL },
 133         { "visual-activity", SET_OPTION_FLAG, 0, 0, NULL },
 134         { "visual-bell", SET_OPTION_FLAG, 0, 0, NULL },
 135         { "visual-content", SET_OPTION_FLAG, 0, 0, NULL },
 136         { NULL, 0, 0, 0, NULL }
 137 };
 138
 139 const struct set_option_entry set_window_option_table[] = {
 140         { "aggressive-resize", SET_OPTION_FLAG, 0, 0, NULL },
 141         { "alternate-screen", SET_OPTION_FLAG, 0, 0, NULL },
 142         { "automatic-rename", SET_OPTION_FLAG, 0, 0, NULL },
 143         { "clock-mode-colour", SET_OPTION_COLOUR, 0, 0, NULL },
 144         { "clock-mode-style",
 145           SET_OPTION_CHOICE, 0, 0, set_option_clock_mode_style_list },
 146         { "force-height", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
 147         { "force-width", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
 148         { "main-pane-height", SET_OPTION_NUMBER, 1, INT_MAX, NULL },
 149         { "main-pane-width", SET_OPTION_NUMBER, 1, INT_MAX, NULL },
 150         { "mode-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
 151         { "mode-bg", SET_OPTION_COLOUR, 0, 0, NULL },
 152         { "mode-fg", SET_OPTION_COLOUR, 0, 0, NULL },
 153         { "mode-keys", SET_OPTION_CHOICE, 0, 0, set_option_mode_keys_list },
 154         { "mode-mouse", SET_OPTION_FLAG, 0, 0, NULL },
 155         { "monitor-activity", SET_OPTION_FLAG, 0, 0, NULL },
 156         { "monitor-content", SET_OPTION_STRING, 0, 0, NULL },
 157         { "remain-on-exit", SET_OPTION_FLAG, 0, 0, NULL },
 158         { "synchronize-panes", SET_OPTION_FLAG, 0, 0, NULL },
 159         { "utf8", SET_OPTION_FLAG, 0, 0, NULL },
 160         { "window-status-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
 161         { "window-status-bg", SET_OPTION_COLOUR, 0, 0, NULL },
 162         { "window-status-current-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
 163         { "window-status-current-bg", SET_OPTION_COLOUR, 0, 0, NULL },
 164         { "window-status-current-fg", SET_OPTION_COLOUR, 0, 0, NULL },
 165         { "window-status-current-format", SET_OPTION_STRING, 0, 0, NULL },
 166         { "window-status-fg", SET_OPTION_COLOUR, 0, 0, NULL },
 167         { "window-status-format", SET_OPTION_STRING, 0, 0, NULL },
 168         { "word-separators", SET_OPTION_STRING, 0, 0, NULL },
 169         { "xterm-keys", SET_OPTION_FLAG, 0, 0, NULL },
 170         { NULL, 0, 0, 0, NULL }
 171 };
 172
 173 int
 174 cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
 175 {
 176         struct cmd_target_data          *data = self->data;
 177         const struct set_option_entry   *table;
 178         struct session                  *s;
 179         struct winlink                  *wl;
 180         struct client                   *c;
 181         struct options                  *oo;
 182         const struct set_option_entry   *entry, *opt;
 183         struct jobs                     *jobs;
 184         struct job                      *job, *nextjob;
 185         u_int                            i;
 186         int                              try_again;
 187
 188         if (cmd_check_flag(data->chflags, 's')) {
 189                 oo = &global_options;
 190                 table = set_option_table;
 191         } else if (cmd_check_flag(data->chflags, 'w')) {
 192                 table = set_window_option_table;
 193                 if (cmd_check_flag(data->chflags, 'g'))
 194                         oo = &global_w_options;
 195                 else {
 196                         wl = cmd_find_window(ctx, data->target, NULL);
 197                         if (wl == NULL)
 198                                 return (-1);
 199                         oo = &wl->window->options;
 200                 }
 201         } else {
 202                 table = set_session_option_table;
 203                 if (cmd_check_flag(data->chflags, 'g'))
 204                         oo = &global_s_options;
 205                 else {
 206                         s = cmd_find_session(ctx, data->target);
 207                         if (s == NULL)
 208                                 return (-1);
 209                         oo = &s->options;
 210                 }
 211         }
 212
 213         if (*data->arg == '\0') {
 214                 ctx->error(ctx, "invalid option");
 215                 return (-1);
 216         }
 217
 218         entry = NULL;
 219         for (opt = table; opt->name != NULL; opt++) {
 220                 if (strncmp(opt->name, data->arg, strlen(data->arg)) != 0)
 221                         continue;
 222                 if (entry != NULL) {
 223                         ctx->error(ctx, "ambiguous option: %s", data->arg);
 224                         return (-1);
 225                 }
 226                 entry = opt;
 227
 228                 /* Bail now if an exact match. */
 229                 if (strcmp(entry->name, data->arg) == 0)
 230                         break;
 231         }
 232         if (entry == NULL) {
 233                 ctx->error(ctx, "unknown option: %s", data->arg);
 234                 return (-1);
 235         }
 236
 237         if (cmd_check_flag(data->chflags, 'u')) {
 238                 if (cmd_check_flag(data->chflags, 'g')) {
 239                         ctx->error(ctx,
 240                             "can't unset global option: %s", entry->name);
 241                         return (-1);
 242                 }
 243                 if (data->arg2 != NULL) {
 244                         ctx->error(ctx,
 245                             "value passed to unset option: %s", entry->name);
 246                         return (-1);
 247                 }
 248
 249                 options_remove(oo, entry->name);
 250                 ctx->info(ctx, "unset option: %s", entry->name);
 251         } else {
 252                 switch (entry->type) {
 253                 case SET_OPTION_STRING:
 254                         cmd_set_option_string(ctx, oo, entry,
 255                             data->arg2, cmd_check_flag(data->chflags, 'a'));
 256                         break;
 257                 case SET_OPTION_NUMBER:
 258                         cmd_set_option_number(ctx, oo, entry, data->arg2);
 259                         break;
 260                 case SET_OPTION_KEYS:
 261                         cmd_set_option_keys(ctx, oo, entry, data->arg2);
 262                         break;
 263                 case SET_OPTION_COLOUR:
 264                         cmd_set_option_colour(ctx, oo, entry, data->arg2);
 265                         break;
 266                 case SET_OPTION_ATTRIBUTES:
 267                         cmd_set_option_attributes(ctx, oo, entry, data->arg2);
 268                         break;
 269                 case SET_OPTION_FLAG:
 270                         cmd_set_option_flag(ctx, oo, entry, data->arg2);
 271                         break;
 272                 case SET_OPTION_CHOICE:
 273                         cmd_set_option_choice(ctx, oo, entry, data->arg2);
 274                         break;
 275                 }
 276         }
 277
 278         recalculate_sizes();
 279         for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 280                 c = ARRAY_ITEM(&clients, i);
 281                 if (c != NULL && c->session != NULL)
 282                         server_redraw_client(c);
 283         }
 284
 285         /*
 286          * Special-case: kill all persistent jobs if status-left, status-right
 287          * or set-titles-string have changed. Persistent jobs are only used by
 288          * the status line at the moment so this works XXX.
 289          */
 290         if (strcmp(entry->name, "status-left") == 0 ||
 291             strcmp(entry->name, "status-right") == 0 ||
 292             strcmp(entry->name, "set-titles-string") == 0 ||
 293             strcmp(entry->name, "window-status-format") == 0) {
 294                 for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 295                         c = ARRAY_ITEM(&clients, i);
 296                         if (c == NULL || c->session == NULL)
 297                                 continue;
 298
 299                         jobs = &c->status_jobs;
 300                         do {
 301                                 try_again = 0;
 302                                 job = RB_ROOT(jobs);
 303                                 while (job != NULL) {
 304                                         nextjob = RB_NEXT(jobs, jobs, job);
 305                                         if (job->flags & JOB_PERSIST) {
 306                                                 job_remove(jobs, job);
 307                                                 try_again = 1;
 308                                                 break;
 309                                         }
 310                                         job = nextjob;
 311                                 }
 312                         } while (try_again);
 313                         server_redraw_client(c);
 314                 }
 315         }
 316
 317         return (0);
 318 }
 319
 320 const char *
 321 cmd_set_option_print(
 322     const struct set_option_entry *entry, struct options_entry *o)
 323 {
 324         static char     out[BUFSIZ];
 325         const char     *s;
 326         struct keylist *keylist;
 327         u_int           i;
 328
 329         *out = '\0';
 330         switch (entry->type) {
 331                 case SET_OPTION_STRING:
 332                         xsnprintf(out, sizeof out, "\"%s\"", o->str);
 333                         break;
 334                 case SET_OPTION_NUMBER:
 335                         xsnprintf(out, sizeof out, "%lld", o->num);
 336                         break;
 337                 case SET_OPTION_KEYS:
 338                         keylist = o->data;
 339                         for (i = 0; i < ARRAY_LENGTH(keylist); i++) {
 340                                 strlcat(out, key_string_lookup_key(
 341                                     ARRAY_ITEM(keylist, i)), sizeof out);
 342                                 if (i != ARRAY_LENGTH(keylist) - 1)
 343                                         strlcat(out, ",", sizeof out);
 344                         }
 345                         break;
 346                 case SET_OPTION_COLOUR:
 347                         s = colour_tostring(o->num);
 348                         xsnprintf(out, sizeof out, "%s", s);
 349                         break;
 350                 case SET_OPTION_ATTRIBUTES:
 351                         s = attributes_tostring(o->num);
 352                         xsnprintf(out, sizeof out, "%s", s);
 353                         break;
 354                 case SET_OPTION_FLAG:
 355                         if (o->num)
 356                                 strlcpy(out, "on", sizeof out);
 357                         else
 358                                 strlcpy(out, "off", sizeof out);
 359                         break;
 360                 case SET_OPTION_CHOICE:
 361                         s = entry->choices[o->num];
 362                         xsnprintf(out, sizeof out, "%s", s);
 363                         break;
 364         }
 365         return (out);
 366 }
 367
 368 void
 369 cmd_set_option_string(struct cmd_ctx *ctx, struct options *oo,
 370     const struct set_option_entry *entry, char *value, int append)
 371 {
 372         struct options_entry    *o;
 373         char                    *oldvalue, *newvalue;
 374
 375         if (value == NULL) {
 376                 ctx->error(ctx, "empty value");
 377                 return;
 378         }
 379
 380         if (append) {
 381                 oldvalue = options_get_string(oo, entry->name);
 382                 xasprintf(&newvalue, "%s%s", oldvalue, value);
 383         } else
 384                 newvalue = value;
 385
 386         o = options_set_string(oo, entry->name, "%s", newvalue);
 387         ctx->info(ctx,
 388             "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
 389
 390         if (newvalue != value)
 391                 xfree(newvalue);
 392 }
 393
 394 void
 395 cmd_set_option_number(struct cmd_ctx *ctx, struct options *oo,
 396     const struct set_option_entry *entry, char *value)
 397 {
 398         struct options_entry    *o;
 399         long long                number;
 400         const char              *errstr;
 401
 402         if (value == NULL) {
 403                 ctx->error(ctx, "empty value");
 404                 return;
 405         }
 406
 407         number = strtonum(value, entry->minimum, entry->maximum, &errstr);
 408         if (errstr != NULL) {
 409                 ctx->error(ctx, "value is %s: %s", errstr, value);
 410                 return;
 411         }
 412
 413         o = options_set_number(oo, entry->name, number);
 414         ctx->info(ctx,
 415             "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
 416 }
 417
 418 void
 419 cmd_set_option_keys(struct cmd_ctx *ctx, struct options *oo,
 420     const struct set_option_entry *entry, char *value)
 421 {
 422         struct options_entry    *o;
 423         struct keylist          *keylist;
 424         char                    *copyvalue, *ptr, *str;
 425         int                      key;
 426
 427         if (value == NULL) {
 428                 ctx->error(ctx, "empty value");
 429                 return;
 430         }
 431
 432         keylist = xmalloc(sizeof *keylist);
 433         ARRAY_INIT(keylist);
 434
 435         ptr = copyvalue = xstrdup(value);
 436         while ((str = strsep(&ptr, ",")) != NULL) {
 437                 if ((key = key_string_lookup_string(str)) == KEYC_NONE) {
 438                         xfree(keylist);
 439                         ctx->error(ctx, "unknown key: %s", str);
 440                         xfree(copyvalue);
 441                         return;
 442                 }
 443                 ARRAY_ADD(keylist, key);
 444         }
 445         xfree(copyvalue);
 446
 447         o = options_set_data(oo, entry->name, keylist, xfree);
 448         ctx->info(ctx,
 449             "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
 450 }
 451
 452 void
 453 cmd_set_option_colour(struct cmd_ctx *ctx, struct options *oo,
 454     const struct set_option_entry *entry, char *value)
 455 {
 456         struct options_entry    *o;
 457         int                      colour;
 458
 459         if (value == NULL) {
 460                 ctx->error(ctx, "empty value");
 461                 return;
 462         }
 463
 464         if ((colour = colour_fromstring(value)) == -1) {
 465                 ctx->error(ctx, "bad colour: %s", value);
 466                 return;
 467         }
 468
 469         o = options_set_number(oo, entry->name, colour);
 470         ctx->info(ctx,
 471             "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
 472 }
 473
 474 void
 475 cmd_set_option_attributes(struct cmd_ctx *ctx, struct options *oo,
 476     const struct set_option_entry *entry, char *value)
 477 {
 478         struct options_entry    *o;
 479         int                      attr;
 480
 481         if (value == NULL) {
 482                 ctx->error(ctx, "empty value");
 483                 return;
 484         }
 485
 486         if ((attr = attributes_fromstring(value)) == -1) {
 487                 ctx->error(ctx, "bad attributes: %s", value);
 488                 return;
 489         }
 490
 491         o = options_set_number(oo, entry->name, attr);
 492         ctx->info(ctx,
 493             "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
 494 }
 495
 496 void
 497 cmd_set_option_flag(struct cmd_ctx *ctx, struct options *oo,
 498     const struct set_option_entry *entry, char *value)
 499 {
 500         struct options_entry    *o;
 501         int                      flag;
 502
 503         if (value == NULL || *value == '\0')
 504                 flag = !options_get_number(oo, entry->name);
 505         else {
 506                 if ((value[0] == '1' && value[1] == '\0') ||
 507                     strcasecmp(value, "on") == 0 ||
 508                     strcasecmp(value, "yes") == 0)
 509                         flag = 1;
 510                 else if ((value[0] == '0' && value[1] == '\0') ||
 511                     strcasecmp(value, "off") == 0 ||
 512                     strcasecmp(value, "no") == 0)
 513                         flag = 0;
 514                 else {
 515                         ctx->error(ctx, "bad value: %s", value);
 516                         return;
 517                 }
 518         }
 519
 520         o = options_set_number(oo, entry->name, flag);
 521         ctx->info(ctx,
 522             "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
 523 }
 524
 525 void
 526 cmd_set_option_choice(struct cmd_ctx *ctx, struct options *oo,
 527     const struct set_option_entry *entry, char *value)
 528 {
 529         struct options_entry    *o;
 530         const char             **choicep;
 531         int                      n, choice = -1;
 532
 533         if (value == NULL) {
 534                 ctx->error(ctx, "empty value");
 535                 return;
 536         }
 537
 538         n = 0;
 539         for (choicep = entry->choices; *choicep != NULL; choicep++) {
 540                 n++;
 541                 if (strncmp(*choicep, value, strlen(value)) != 0)
 542                         continue;
 543
 544                 if (choice != -1) {
 545                         ctx->error(ctx, "ambiguous option value: %s", value);
 546                         return;
 547                 }
 548                 choice = n - 1;
 549         }
 550         if (choice == -1) {
 551                 ctx->error(ctx, "unknown option value: %s", value);
 552                 return;
 553         }
 554
 555         o = options_set_number(oo, entry->name, choice);
 556         ctx->info(ctx,
 557             "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
 558 }