cmd-set-option.c

   1 /* $OpenBSD$ */
   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-alert-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
 161         { "window-status-alert-bg", SET_OPTION_COLOUR, 0, 0, NULL },
 162         { "window-status-alert-fg", SET_OPTION_COLOUR, 0, 0, NULL },
 163         { "window-status-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
 164         { "window-status-bg", SET_OPTION_COLOUR, 0, 0, NULL },
 165         { "window-status-current-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
 166         { "window-status-current-bg", SET_OPTION_COLOUR, 0, 0, NULL },
 167         { "window-status-current-fg", SET_OPTION_COLOUR, 0, 0, NULL },
 168         { "window-status-current-format", SET_OPTION_STRING, 0, 0, NULL },
 169         { "window-status-fg", SET_OPTION_COLOUR, 0, 0, NULL },
 170         { "window-status-format", SET_OPTION_STRING, 0, 0, NULL },
 171         { "word-separators", SET_OPTION_STRING, 0, 0, NULL },
 172         { "xterm-keys", SET_OPTION_FLAG, 0, 0, NULL },
 173         { NULL, 0, 0, 0, NULL }
 174 };
 175
 176 int
 177 cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
 178 {
 179         struct cmd_target_data          *data = self->data;
 180         const struct set_option_entry   *table;
 181         struct session                  *s;
 182         struct winlink                  *wl;
 183         struct client                   *c;
 184         struct options                  *oo;
 185         const struct set_option_entry   *entry, *opt;
 186         struct jobs                     *jobs;
 187         struct job                      *job, *nextjob;
 188         u_int                            i;
 189         int                              try_again;
 190
 191         if (cmd_check_flag(data->chflags, 's')) {
 192                 oo = &global_options;
 193                 table = set_option_table;
 194         } else if (cmd_check_flag(data->chflags, 'w')) {
 195                 table = set_window_option_table;
 196                 if (cmd_check_flag(data->chflags, 'g'))
 197                         oo = &global_w_options;
 198                 else {
 199                         wl = cmd_find_window(ctx, data->target, NULL);
 200                         if (wl == NULL)
 201                                 return (-1);
 202                         oo = &wl->window->options;
 203                 }
 204         } else {
 205                 table = set_session_option_table;
 206                 if (cmd_check_flag(data->chflags, 'g'))
 207                         oo = &global_s_options;
 208                 else {
 209                         s = cmd_find_session(ctx, data->target);
 210                         if (s == NULL)
 211                                 return (-1);
 212                         oo = &s->options;
 213                 }
 214         }
 215
 216         if (*data->arg == '\0') {
 217                 ctx->error(ctx, "invalid option");
 218                 return (-1);
 219         }
 220
 221         entry = NULL;
 222         for (opt = table; opt->name != NULL; opt++) {
 223                 if (strncmp(opt->name, data->arg, strlen(data->arg)) != 0)
 224                         continue;
 225                 if (entry != NULL) {
 226                         ctx->error(ctx, "ambiguous option: %s", data->arg);
 227                         return (-1);
 228                 }
 229                 entry = opt;
 230
 231                 /* Bail now if an exact match. */
 232                 if (strcmp(entry->name, data->arg) == 0)
 233                         break;
 234         }
 235         if (entry == NULL) {
 236                 ctx->error(ctx, "unknown option: %s", data->arg);
 237                 return (-1);
 238         }
 239
 240         if (cmd_check_flag(data->chflags, 'u')) {
 241                 if (cmd_check_flag(data->chflags, 'g')) {
 242                         ctx->error(ctx,
 243                             "can't unset global option: %s", entry->name);
 244                         return (-1);
 245                 }
 246                 if (data->arg2 != NULL) {
 247                         ctx->error(ctx,
 248                             "value passed to unset option: %s", entry->name);
 249                         return (-1);
 250                 }
 251
 252                 options_remove(oo, entry->name);
 253                 ctx->info(ctx, "unset option: %s", entry->name);
 254         } else {
 255                 switch (entry->type) {
 256                 case SET_OPTION_STRING:
 257                         cmd_set_option_string(ctx, oo, entry,
 258                             data->arg2, cmd_check_flag(data->chflags, 'a'));
 259                         break;
 260                 case SET_OPTION_NUMBER:
 261                         cmd_set_option_number(ctx, oo, entry, data->arg2);
 262                         break;
 263                 case SET_OPTION_KEYS:
 264                         cmd_set_option_keys(ctx, oo, entry, data->arg2);
 265                         break;
 266                 case SET_OPTION_COLOUR:
 267                         cmd_set_option_colour(ctx, oo, entry, data->arg2);
 268                         break;
 269                 case SET_OPTION_ATTRIBUTES:
 270                         cmd_set_option_attributes(ctx, oo, entry, data->arg2);
 271                         break;
 272                 case SET_OPTION_FLAG:
 273                         cmd_set_option_flag(ctx, oo, entry, data->arg2);
 274                         break;
 275                 case SET_OPTION_CHOICE:
 276                         cmd_set_option_choice(ctx, oo, entry, data->arg2);
 277                         break;
 278                 }
 279         }
 280
 281         recalculate_sizes();
 282         for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 283                 c = ARRAY_ITEM(&clients, i);
 284                 if (c != NULL && c->session != NULL)
 285                         server_redraw_client(c);
 286         }
 287
 288         /*
 289          * Special-case: kill all persistent jobs if status-left, status-right
 290          * or set-titles-string have changed. Persistent jobs are only used by
 291          * the status line at the moment so this works XXX.
 292          */
 293         if (strcmp(entry->name, "status-left") == 0 ||
 294             strcmp(entry->name, "status-right") == 0 ||
 295             strcmp(entry->name, "set-titles-string") == 0 ||
 296             strcmp(entry->name, "window-status-format") == 0) {
 297                 for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 298                         c = ARRAY_ITEM(&clients, i);
 299                         if (c == NULL || c->session == NULL)
 300                                 continue;
 301
 302                         jobs = &c->status_jobs;
 303                         do {
 304                                 try_again = 0;
 305                                 job = RB_ROOT(jobs);
 306                                 while (job != NULL) {
 307                                         nextjob = RB_NEXT(jobs, jobs, job);
 308                                         if (job->flags & JOB_PERSIST) {
 309                                                 job_remove(jobs, job);
 310                                                 try_again = 1;
 311                                                 break;
 312                                         }
 313                                         job = nextjob;
 314                                 }
 315                         } while (try_again);
 316                         server_redraw_client(c);
 317                 }
 318         }
 319
 320         return (0);
 321 }
 322
 323 const char *
 324 cmd_set_option_print(
 325     const struct set_option_entry *entry, struct options_entry *o)
 326 {
 327         static char     out[BUFSIZ];
 328         const char     *s;
 329         struct keylist *keylist;
 330         u_int           i;
 331
 332         *out = '\0';
 333         switch (entry->type) {
 334                 case SET_OPTION_STRING:
 335                         xsnprintf(out, sizeof out, "\"%s\"", o->str);
 336                         break;
 337                 case SET_OPTION_NUMBER:
 338                         xsnprintf(out, sizeof out, "%lld", o->num);
 339                         break;
 340                 case SET_OPTION_KEYS:
 341                         keylist = o->data;
 342                         for (i = 0; i < ARRAY_LENGTH(keylist); i++) {
 343                                 strlcat(out, key_string_lookup_key(
 344                                     ARRAY_ITEM(keylist, i)), sizeof out);
 345                                 if (i != ARRAY_LENGTH(keylist) - 1)
 346                                         strlcat(out, ",", sizeof out);
 347                         }
 348                         break;
 349                 case SET_OPTION_COLOUR:
 350                         s = colour_tostring(o->num);
 351                         xsnprintf(out, sizeof out, "%s", s);
 352                         break;
 353                 case SET_OPTION_ATTRIBUTES:
 354                         s = attributes_tostring(o->num);
 355                         xsnprintf(out, sizeof out, "%s", s);
 356                         break;
 357                 case SET_OPTION_FLAG:
 358                         if (o->num)
 359                                 strlcpy(out, "on", sizeof out);
 360                         else
 361                                 strlcpy(out, "off", sizeof out);
 362                         break;
 363                 case SET_OPTION_CHOICE:
 364                         s = entry->choices[o->num];
 365                         xsnprintf(out, sizeof out, "%s", s);
 366                         break;
 367         }
 368         return (out);
 369 }
 370
 371 void
 372 cmd_set_option_string(struct cmd_ctx *ctx, struct options *oo,
 373     const struct set_option_entry *entry, char *value, int append)
 374 {
 375         struct options_entry    *o;
 376         char                    *oldvalue, *newvalue;
 377
 378         if (value == NULL) {
 379                 ctx->error(ctx, "empty value");
 380                 return;
 381         }
 382
 383         if (append) {
 384                 oldvalue = options_get_string(oo, entry->name);
 385                 xasprintf(&newvalue, "%s%s", oldvalue, value);
 386         } else
 387                 newvalue = value;
 388
 389         o = options_set_string(oo, entry->name, "%s", newvalue);
 390         ctx->info(ctx,
 391             "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
 392
 393         if (newvalue != value)
 394                 xfree(newvalue);
 395 }
 396
 397 void
 398 cmd_set_option_number(struct cmd_ctx *ctx, struct options *oo,
 399     const struct set_option_entry *entry, char *value)
 400 {
 401         struct options_entry    *o;
 402         long long                number;
 403         const char              *errstr;
 404
 405         if (value == NULL) {
 406                 ctx->error(ctx, "empty value");
 407                 return;
 408         }
 409
 410         number = strtonum(value, entry->minimum, entry->maximum, &errstr);
 411         if (errstr != NULL) {
 412                 ctx->error(ctx, "value is %s: %s", errstr, value);
 413                 return;
 414         }
 415
 416         o = options_set_number(oo, entry->name, number);
 417         ctx->info(ctx,
 418             "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
 419 }
 420
 421 void
 422 cmd_set_option_keys(struct cmd_ctx *ctx, struct options *oo,
 423     const struct set_option_entry *entry, char *value)
 424 {
 425         struct options_entry    *o;
 426         struct keylist          *keylist;
 427         char                    *copyvalue, *ptr, *str;
 428         int                      key;
 429
 430         if (value == NULL) {
 431                 ctx->error(ctx, "empty value");
 432                 return;
 433         }
 434
 435         keylist = xmalloc(sizeof *keylist);
 436         ARRAY_INIT(keylist);
 437
 438         ptr = copyvalue = xstrdup(value);
 439         while ((str = strsep(&ptr, ",")) != NULL) {
 440                 if ((key = key_string_lookup_string(str)) == KEYC_NONE) {
 441                         xfree(keylist);
 442                         ctx->error(ctx, "unknown key: %s", str);
 443                         xfree(copyvalue);
 444                         return;
 445                 }
 446                 ARRAY_ADD(keylist, key);
 447         }
 448         xfree(copyvalue);
 449
 450         o = options_set_data(oo, entry->name, keylist, xfree);
 451         ctx->info(ctx,
 452             "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
 453 }
 454
 455 void
 456 cmd_set_option_colour(struct cmd_ctx *ctx, struct options *oo,
 457     const struct set_option_entry *entry, char *value)
 458 {
 459         struct options_entry    *o;
 460         int                      colour;
 461
 462         if (value == NULL) {
 463                 ctx->error(ctx, "empty value");
 464                 return;
 465         }
 466
 467         if ((colour = colour_fromstring(value)) == -1) {
 468                 ctx->error(ctx, "bad colour: %s", value);
 469                 return;
 470         }
 471
 472         o = options_set_number(oo, entry->name, colour);
 473         ctx->info(ctx,
 474             "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
 475 }
 476
 477 void
 478 cmd_set_option_attributes(struct cmd_ctx *ctx, struct options *oo,
 479     const struct set_option_entry *entry, char *value)
 480 {
 481         struct options_entry    *o;
 482         int                      attr;
 483
 484         if (value == NULL) {
 485                 ctx->error(ctx, "empty value");
 486                 return;
 487         }
 488
 489         if ((attr = attributes_fromstring(value)) == -1) {
 490                 ctx->error(ctx, "bad attributes: %s", value);
 491                 return;
 492         }
 493
 494         o = options_set_number(oo, entry->name, attr);
 495         ctx->info(ctx,
 496             "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
 497 }
 498
 499 void
 500 cmd_set_option_flag(struct cmd_ctx *ctx, struct options *oo,
 501     const struct set_option_entry *entry, char *value)
 502 {
 503         struct options_entry    *o;
 504         int                      flag;
 505
 506         if (value == NULL || *value == '\0')
 507                 flag = !options_get_number(oo, entry->name);
 508         else {
 509                 if ((value[0] == '1' && value[1] == '\0') ||
 510                     strcasecmp(value, "on") == 0 ||
 511                     strcasecmp(value, "yes") == 0)
 512                         flag = 1;
 513                 else if ((value[0] == '0' && value[1] == '\0') ||
 514                     strcasecmp(value, "off") == 0 ||
 515                     strcasecmp(value, "no") == 0)
 516                         flag = 0;
 517                 else {
 518                         ctx->error(ctx, "bad value: %s", value);
 519                         return;
 520                 }
 521         }
 522
 523         o = options_set_number(oo, entry->name, flag);
 524         ctx->info(ctx,
 525             "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
 526 }
 527
 528 void
 529 cmd_set_option_choice(struct cmd_ctx *ctx, struct options *oo,
 530     const struct set_option_entry *entry, char *value)
 531 {
 532         struct options_entry    *o;
 533         const char             **choicep;
 534         int                      n, choice = -1;
 535
 536         if (value == NULL) {
 537                 ctx->error(ctx, "empty value");
 538                 return;
 539         }
 540
 541         n = 0;
 542         for (choicep = entry->choices; *choicep != NULL; choicep++) {
 543                 n++;
 544                 if (strncmp(*choicep, value, strlen(value)) != 0)
 545                         continue;
 546
 547                 if (choice != -1) {
 548                         ctx->error(ctx, "ambiguous option value: %s", value);
 549                         return;
 550                 }
 551                 choice = n - 1;
 552         }
 553         if (choice == -1) {
 554                 ctx->error(ctx, "unknown option value: %s", value);
 555                 return;
 556         }
 557
 558         o = options_set_number(oo, entry->name, choice);
 559         ctx->info(ctx,
 560             "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
 561 }