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         { "detach-on-destroy", SET_OPTION_FLAG, 0, 0, NULL },
  91         { "display-panes-colour", SET_OPTION_COLOUR, 0, 0, NULL },
  92         { "display-panes-active-colour", SET_OPTION_COLOUR, 0, 0, NULL },
  93         { "display-panes-time", SET_OPTION_NUMBER, 1, INT_MAX, NULL },
  94         { "display-time", SET_OPTION_NUMBER, 1, INT_MAX, NULL },
  95         { "history-limit", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
  96         { "lock-after-time", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
  97         { "lock-command", SET_OPTION_STRING, 0, 0, NULL },
  98         { "lock-server", SET_OPTION_FLAG, 0, 0, NULL },
  99         { "message-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
 100         { "message-bg", SET_OPTION_COLOUR, 0, 0, NULL },
 101         { "message-fg", SET_OPTION_COLOUR, 0, 0, NULL },
 102         { "message-limit", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
 103         { "mouse-select-pane", SET_OPTION_FLAG, 0, 0, NULL },
 104         { "pane-active-border-bg", SET_OPTION_COLOUR, 0, 0, NULL },
 105         { "pane-active-border-fg", SET_OPTION_COLOUR, 0, 0, NULL },
 106         { "pane-border-bg", SET_OPTION_COLOUR, 0, 0, NULL },
 107         { "pane-border-fg", SET_OPTION_COLOUR, 0, 0, NULL },
 108         { "prefix", SET_OPTION_KEYS, 0, 0, NULL },
 109         { "repeat-time", SET_OPTION_NUMBER, 0, SHRT_MAX, NULL },
 110         { "set-remain-on-exit", SET_OPTION_FLAG, 0, 0, NULL },
 111         { "set-titles", SET_OPTION_FLAG, 0, 0, NULL },
 112         { "set-titles-string", SET_OPTION_STRING, 0, 0, NULL },
 113         { "status", SET_OPTION_FLAG, 0, 0, NULL },
 114         { "status-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
 115         { "status-bg", SET_OPTION_COLOUR, 0, 0, NULL },
 116         { "status-fg", SET_OPTION_COLOUR, 0, 0, NULL },
 117         { "status-interval", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
 118         { "status-justify",
 119           SET_OPTION_CHOICE, 0, 0, set_option_status_justify_list },
 120         { "status-keys", SET_OPTION_CHOICE, 0, 0, set_option_status_keys_list },
 121         { "status-left", SET_OPTION_STRING, 0, 0, NULL },
 122         { "status-left-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
 123         { "status-left-bg", SET_OPTION_COLOUR, 0, 0, NULL },
 124         { "status-left-fg", SET_OPTION_COLOUR, 0, 0, NULL },
 125         { "status-left-length", SET_OPTION_NUMBER, 0, SHRT_MAX, NULL },
 126         { "status-right", SET_OPTION_STRING, 0, 0, NULL },
 127         { "status-right-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
 128         { "status-right-bg", SET_OPTION_COLOUR, 0, 0, NULL },
 129         { "status-right-fg", SET_OPTION_COLOUR, 0, 0, NULL },
 130         { "status-right-length", SET_OPTION_NUMBER, 0, SHRT_MAX, NULL },
 131         { "status-utf8", SET_OPTION_FLAG, 0, 0, NULL },
 132         { "terminal-overrides", SET_OPTION_STRING, 0, 0, NULL },
 133         { "update-environment", SET_OPTION_STRING, 0, 0, NULL },
 134         { "visual-activity", SET_OPTION_FLAG, 0, 0, NULL },
 135         { "visual-bell", SET_OPTION_FLAG, 0, 0, NULL },
 136         { "visual-content", SET_OPTION_FLAG, 0, 0, NULL },
 137         { NULL, 0, 0, 0, NULL }
 138 };
 139
 140 const struct set_option_entry set_window_option_table[] = {
 141         { "aggressive-resize", SET_OPTION_FLAG, 0, 0, NULL },
 142         { "alternate-screen", SET_OPTION_FLAG, 0, 0, NULL },
 143         { "automatic-rename", SET_OPTION_FLAG, 0, 0, NULL },
 144         { "clock-mode-colour", SET_OPTION_COLOUR, 0, 0, NULL },
 145         { "clock-mode-style",
 146           SET_OPTION_CHOICE, 0, 0, set_option_clock_mode_style_list },
 147         { "force-height", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
 148         { "force-width", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
 149         { "main-pane-height", SET_OPTION_NUMBER, 1, INT_MAX, NULL },
 150         { "main-pane-width", SET_OPTION_NUMBER, 1, INT_MAX, NULL },
 151         { "mode-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
 152         { "mode-bg", SET_OPTION_COLOUR, 0, 0, NULL },
 153         { "mode-fg", SET_OPTION_COLOUR, 0, 0, NULL },
 154         { "mode-keys", SET_OPTION_CHOICE, 0, 0, set_option_mode_keys_list },
 155         { "mode-mouse", SET_OPTION_FLAG, 0, 0, NULL },
 156         { "monitor-activity", SET_OPTION_FLAG, 0, 0, NULL },
 157         { "monitor-content", SET_OPTION_STRING, 0, 0, NULL },
 158         { "remain-on-exit", SET_OPTION_FLAG, 0, 0, NULL },
 159         { "synchronize-panes", SET_OPTION_FLAG, 0, 0, NULL },
 160         { "utf8", SET_OPTION_FLAG, 0, 0, NULL },
 161         { "window-status-alert-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
 162         { "window-status-alert-bg", SET_OPTION_COLOUR, 0, 0, NULL },
 163         { "window-status-alert-fg", SET_OPTION_COLOUR, 0, 0, NULL },
 164         { "window-status-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
 165         { "window-status-bg", SET_OPTION_COLOUR, 0, 0, NULL },
 166         { "window-status-current-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
 167         { "window-status-current-bg", SET_OPTION_COLOUR, 0, 0, NULL },
 168         { "window-status-current-fg", SET_OPTION_COLOUR, 0, 0, NULL },
 169         { "window-status-current-format", SET_OPTION_STRING, 0, 0, NULL },
 170         { "window-status-fg", SET_OPTION_COLOUR, 0, 0, NULL },
 171         { "window-status-format", SET_OPTION_STRING, 0, 0, NULL },
 172         { "word-separators", SET_OPTION_STRING, 0, 0, NULL },
 173         { "xterm-keys", SET_OPTION_FLAG, 0, 0, NULL },
 174         { NULL, 0, 0, 0, NULL }
 175 };
 176
 177 int
 178 cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
 179 {
 180         struct cmd_target_data          *data = self->data;
 181         const struct set_option_entry   *table;
 182         struct session                  *s;
 183         struct winlink                  *wl;
 184         struct client                   *c;
 185         struct options                  *oo;
 186         const struct set_option_entry   *entry, *opt;
 187         struct jobs                     *jobs;
 188         struct job                      *job, *nextjob;
 189         u_int                            i;
 190         int                              try_again;
 191
 192         if (cmd_check_flag(data->chflags, 's')) {
 193                 oo = &global_options;
 194                 table = set_option_table;
 195         } else if (cmd_check_flag(data->chflags, 'w')) {
 196                 table = set_window_option_table;
 197                 if (cmd_check_flag(data->chflags, 'g'))
 198                         oo = &global_w_options;
 199                 else {
 200                         wl = cmd_find_window(ctx, data->target, NULL);
 201                         if (wl == NULL)
 202                                 return (-1);
 203                         oo = &wl->window->options;
 204                 }
 205         } else {
 206                 table = set_session_option_table;
 207                 if (cmd_check_flag(data->chflags, 'g'))
 208                         oo = &global_s_options;
 209                 else {
 210                         s = cmd_find_session(ctx, data->target);
 211                         if (s == NULL)
 212                                 return (-1);
 213                         oo = &s->options;
 214                 }
 215         }
 216
 217         if (*data->arg == '\0') {
 218                 ctx->error(ctx, "invalid option");
 219                 return (-1);
 220         }
 221
 222         entry = NULL;
 223         for (opt = table; opt->name != NULL; opt++) {
 224                 if (strncmp(opt->name, data->arg, strlen(data->arg)) != 0)
 225                         continue;
 226                 if (entry != NULL) {
 227                         ctx->error(ctx, "ambiguous option: %s", data->arg);
 228                         return (-1);
 229                 }
 230                 entry = opt;
 231
 232                 /* Bail now if an exact match. */
 233                 if (strcmp(entry->name, data->arg) == 0)
 234                         break;
 235         }
 236         if (entry == NULL) {
 237                 ctx->error(ctx, "unknown option: %s", data->arg);
 238                 return (-1);
 239         }
 240
 241         if (cmd_check_flag(data->chflags, 'u')) {
 242                 if (cmd_check_flag(data->chflags, 'g')) {
 243                         ctx->error(ctx,
 244                             "can't unset global option: %s", entry->name);
 245                         return (-1);
 246                 }
 247                 if (data->arg2 != NULL) {
 248                         ctx->error(ctx,
 249                             "value passed to unset option: %s", entry->name);
 250                         return (-1);
 251                 }
 252
 253                 options_remove(oo, entry->name);
 254                 ctx->info(ctx, "unset option: %s", entry->name);
 255         } else {
 256                 switch (entry->type) {
 257                 case SET_OPTION_STRING:
 258                         cmd_set_option_string(ctx, oo, entry,
 259                             data->arg2, cmd_check_flag(data->chflags, 'a'));
 260                         break;
 261                 case SET_OPTION_NUMBER:
 262                         cmd_set_option_number(ctx, oo, entry, data->arg2);
 263                         break;
 264                 case SET_OPTION_KEYS:
 265                         cmd_set_option_keys(ctx, oo, entry, data->arg2);
 266                         break;
 267                 case SET_OPTION_COLOUR:
 268                         cmd_set_option_colour(ctx, oo, entry, data->arg2);
 269                         break;
 270                 case SET_OPTION_ATTRIBUTES:
 271                         cmd_set_option_attributes(ctx, oo, entry, data->arg2);
 272                         break;
 273                 case SET_OPTION_FLAG:
 274                         cmd_set_option_flag(ctx, oo, entry, data->arg2);
 275                         break;
 276                 case SET_OPTION_CHOICE:
 277                         cmd_set_option_choice(ctx, oo, entry, data->arg2);
 278                         break;
 279                 }
 280         }
 281
 282         recalculate_sizes();
 283         for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 284                 c = ARRAY_ITEM(&clients, i);
 285                 if (c != NULL && c->session != NULL)
 286                         server_redraw_client(c);
 287         }
 288
 289         /*
 290          * Special-case: kill all persistent jobs if status-left, status-right
 291          * or set-titles-string have changed. Persistent jobs are only used by
 292          * the status line at the moment so this works XXX.
 293          */
 294         if (strcmp(entry->name, "status-left") == 0 ||
 295             strcmp(entry->name, "status-right") == 0 ||
 296             strcmp(entry->name, "set-titles-string") == 0 ||
 297             strcmp(entry->name, "window-status-format") == 0) {
 298                 for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 299                         c = ARRAY_ITEM(&clients, i);
 300                         if (c == NULL || c->session == NULL)
 301                                 continue;
 302
 303                         jobs = &c->status_jobs;
 304                         do {
 305                                 try_again = 0;
 306                                 job = RB_ROOT(jobs);
 307                                 while (job != NULL) {
 308                                         nextjob = RB_NEXT(jobs, jobs, job);
 309                                         if (job->flags & JOB_PERSIST) {
 310                                                 job_remove(jobs, job);
 311                                                 try_again = 1;
 312                                                 break;
 313                                         }
 314                                         job = nextjob;
 315                                 }
 316                         } while (try_again);
 317                         server_redraw_client(c);
 318                 }
 319         }
 320
 321         return (0);
 322 }
 323
 324 const char *
 325 cmd_set_option_print(
 326     const struct set_option_entry *entry, struct options_entry *o)
 327 {
 328         static char     out[BUFSIZ];
 329         const char     *s;
 330         struct keylist *keylist;
 331         u_int           i;
 332
 333         *out = '\0';
 334         switch (entry->type) {
 335                 case SET_OPTION_STRING:
 336                         xsnprintf(out, sizeof out, "\"%s\"", o->str);
 337                         break;
 338                 case SET_OPTION_NUMBER:
 339                         xsnprintf(out, sizeof out, "%lld", o->num);
 340                         break;
 341                 case SET_OPTION_KEYS:
 342                         keylist = o->data;
 343                         for (i = 0; i < ARRAY_LENGTH(keylist); i++) {
 344                                 strlcat(out, key_string_lookup_key(
 345                                     ARRAY_ITEM(keylist, i)), sizeof out);
 346                                 if (i != ARRAY_LENGTH(keylist) - 1)
 347                                         strlcat(out, ",", sizeof out);
 348                         }
 349                         break;
 350                 case SET_OPTION_COLOUR:
 351                         s = colour_tostring(o->num);
 352                         xsnprintf(out, sizeof out, "%s", s);
 353                         break;
 354                 case SET_OPTION_ATTRIBUTES:
 355                         s = attributes_tostring(o->num);
 356                         xsnprintf(out, sizeof out, "%s", s);
 357                         break;
 358                 case SET_OPTION_FLAG:
 359                         if (o->num)
 360                                 strlcpy(out, "on", sizeof out);
 361                         else
 362                                 strlcpy(out, "off", sizeof out);
 363                         break;
 364                 case SET_OPTION_CHOICE:
 365                         s = entry->choices[o->num];
 366                         xsnprintf(out, sizeof out, "%s", s);
 367                         break;
 368         }
 369         return (out);
 370 }
 371
 372 void
 373 cmd_set_option_string(struct cmd_ctx *ctx, struct options *oo,
 374     const struct set_option_entry *entry, char *value, int append)
 375 {
 376         struct options_entry    *o;
 377         char                    *oldvalue, *newvalue;
 378
 379         if (value == NULL) {
 380                 ctx->error(ctx, "empty value");
 381                 return;
 382         }
 383
 384         if (append) {
 385                 oldvalue = options_get_string(oo, entry->name);
 386                 xasprintf(&newvalue, "%s%s", oldvalue, value);
 387         } else
 388                 newvalue = value;
 389
 390         o = options_set_string(oo, entry->name, "%s", newvalue);
 391         ctx->info(ctx,
 392             "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
 393
 394         if (newvalue != value)
 395                 xfree(newvalue);
 396 }
 397
 398 void
 399 cmd_set_option_number(struct cmd_ctx *ctx, struct options *oo,
 400     const struct set_option_entry *entry, char *value)
 401 {
 402         struct options_entry    *o;
 403         long long                number;
 404         const char              *errstr;
 405
 406         if (value == NULL) {
 407                 ctx->error(ctx, "empty value");
 408                 return;
 409         }
 410
 411         number = strtonum(value, entry->minimum, entry->maximum, &errstr);
 412         if (errstr != NULL) {
 413                 ctx->error(ctx, "value is %s: %s", errstr, value);
 414                 return;
 415         }
 416
 417         o = options_set_number(oo, entry->name, number);
 418         ctx->info(ctx,
 419             "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
 420 }
 421
 422 void
 423 cmd_set_option_keys(struct cmd_ctx *ctx, struct options *oo,
 424     const struct set_option_entry *entry, char *value)
 425 {
 426         struct options_entry    *o;
 427         struct keylist          *keylist;
 428         char                    *copyvalue, *ptr, *str;
 429         int                      key;
 430
 431         if (value == NULL) {
 432                 ctx->error(ctx, "empty value");
 433                 return;
 434         }
 435
 436         keylist = xmalloc(sizeof *keylist);
 437         ARRAY_INIT(keylist);
 438
 439         ptr = copyvalue = xstrdup(value);
 440         while ((str = strsep(&ptr, ",")) != NULL) {
 441                 if ((key = key_string_lookup_string(str)) == KEYC_NONE) {
 442                         xfree(keylist);
 443                         ctx->error(ctx, "unknown key: %s", str);
 444                         xfree(copyvalue);
 445                         return;
 446                 }
 447                 ARRAY_ADD(keylist, key);
 448         }
 449         xfree(copyvalue);
 450
 451         o = options_set_data(oo, entry->name, keylist, xfree);
 452         ctx->info(ctx,
 453             "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
 454 }
 455
 456 void
 457 cmd_set_option_colour(struct cmd_ctx *ctx, struct options *oo,
 458     const struct set_option_entry *entry, char *value)
 459 {
 460         struct options_entry    *o;
 461         int                      colour;
 462
 463         if (value == NULL) {
 464                 ctx->error(ctx, "empty value");
 465                 return;
 466         }
 467
 468         if ((colour = colour_fromstring(value)) == -1) {
 469                 ctx->error(ctx, "bad colour: %s", value);
 470                 return;
 471         }
 472
 473         o = options_set_number(oo, entry->name, colour);
 474         ctx->info(ctx,
 475             "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
 476 }
 477
 478 void
 479 cmd_set_option_attributes(struct cmd_ctx *ctx, struct options *oo,
 480     const struct set_option_entry *entry, char *value)
 481 {
 482         struct options_entry    *o;
 483         int                      attr;
 484
 485         if (value == NULL) {
 486                 ctx->error(ctx, "empty value");
 487                 return;
 488         }
 489
 490         if ((attr = attributes_fromstring(value)) == -1) {
 491                 ctx->error(ctx, "bad attributes: %s", value);
 492                 return;
 493         }
 494
 495         o = options_set_number(oo, entry->name, attr);
 496         ctx->info(ctx,
 497             "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
 498 }
 499
 500 void
 501 cmd_set_option_flag(struct cmd_ctx *ctx, struct options *oo,
 502     const struct set_option_entry *entry, char *value)
 503 {
 504         struct options_entry    *o;
 505         int                      flag;
 506
 507         if (value == NULL || *value == '\0')
 508                 flag = !options_get_number(oo, entry->name);
 509         else {
 510                 if ((value[0] == '1' && value[1] == '\0') ||
 511                     strcasecmp(value, "on") == 0 ||
 512                     strcasecmp(value, "yes") == 0)
 513                         flag = 1;
 514                 else if ((value[0] == '0' && value[1] == '\0') ||
 515                     strcasecmp(value, "off") == 0 ||
 516                     strcasecmp(value, "no") == 0)
 517                         flag = 0;
 518                 else {
 519                         ctx->error(ctx, "bad value: %s", value);
 520                         return;
 521                 }
 522         }
 523
 524         o = options_set_number(oo, entry->name, flag);
 525         ctx->info(ctx,
 526             "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
 527 }
 528
 529 void
 530 cmd_set_option_choice(struct cmd_ctx *ctx, struct options *oo,
 531     const struct set_option_entry *entry, char *value)
 532 {
 533         struct options_entry    *o;
 534         const char             **choicep;
 535         int                      n, choice = -1;
 536
 537         if (value == NULL) {
 538                 ctx->error(ctx, "empty value");
 539                 return;
 540         }
 541
 542         n = 0;
 543         for (choicep = entry->choices; *choicep != NULL; choicep++) {
 544                 n++;
 545                 if (strncmp(*choicep, value, strlen(value)) != 0)
 546                         continue;
 547
 548                 if (choice != -1) {
 549                         ctx->error(ctx, "ambiguous option value: %s", value);
 550                         return;
 551                 }
 552                 choice = n - 1;
 553         }
 554         if (choice == -1) {
 555                 ctx->error(ctx, "unknown option value: %s", value);
 556                 return;
 557         }
 558
 559         o = options_set_number(oo, entry->name, choice);
 560         ctx->info(ctx,
 561             "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
 562 }