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Annotation of src/usr.bin/tmux/cmd-set-option.c, Revision 1.88

1.88    ! nicm        1: /* $OpenBSD: cmd-set-option.c,v 1.87 2015/11/20 12:01:19 nicm Exp $ */
1.1       nicm        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:
1.60      nicm       30: enum cmd_retval        cmd_set_option_exec(struct cmd *, struct cmd_q *);
1.59      nicm       31:
1.60      nicm       32: enum cmd_retval        cmd_set_option_user(struct cmd *, struct cmd_q *,
1.61      nicm       33:            const char *, const char *);
1.1       nicm       34:
1.60      nicm       35: int    cmd_set_option_unset(struct cmd *, struct cmd_q *,
1.44      nicm       36:            const struct options_table_entry *, struct options *,
                     37:            const char *);
1.60      nicm       38: int    cmd_set_option_set(struct cmd *, struct cmd_q *,
1.44      nicm       39:            const struct options_table_entry *, struct options *,
                     40:            const char *);
1.43      nicm       41:
1.60      nicm       42: struct options_entry *cmd_set_option_string(struct cmd *, struct cmd_q *,
1.44      nicm       43:            const struct options_table_entry *, struct options *,
                     44:            const char *);
1.60      nicm       45: struct options_entry *cmd_set_option_number(struct cmd *, struct cmd_q *,
1.44      nicm       46:            const struct options_table_entry *, struct options *,
                     47:            const char *);
1.60      nicm       48: struct options_entry *cmd_set_option_key(struct cmd *, struct cmd_q *,
1.44      nicm       49:            const struct options_table_entry *, struct options *,
                     50:            const char *);
1.60      nicm       51: struct options_entry *cmd_set_option_colour(struct cmd *, struct cmd_q *,
1.44      nicm       52:            const struct options_table_entry *, struct options *,
                     53:            const char *);
1.60      nicm       54: struct options_entry *cmd_set_option_attributes(struct cmd *, struct cmd_q *,
1.44      nicm       55:            const struct options_table_entry *, struct options *,
                     56:            const char *);
1.60      nicm       57: struct options_entry *cmd_set_option_flag(struct cmd *, struct cmd_q *,
1.44      nicm       58:            const struct options_table_entry *, struct options *,
                     59:            const char *);
1.60      nicm       60: struct options_entry *cmd_set_option_choice(struct cmd *, struct cmd_q *,
1.44      nicm       61:            const struct options_table_entry *, struct options *,
                     62:            const char *);
1.64      nicm       63: struct options_entry *cmd_set_option_style(struct cmd *, struct cmd_q *,
                     64:            const struct options_table_entry *, struct options *,
                     65:            const char *);
1.27      nicm       66:
1.1       nicm       67: const struct cmd_entry cmd_set_option_entry = {
                     68:        "set-option", "set",
1.61      nicm       69:        "agoqst:uw", 1, 2,
                     70:        "[-agosquw] [-t target-session|target-window] option [value]",
1.44      nicm       71:        0,
                     72:        cmd_set_option_exec
1.1       nicm       73: };
                     74:
1.46      nicm       75: const struct cmd_entry cmd_set_window_option_entry = {
                     76:        "set-window-option", "setw",
1.61      nicm       77:        "agoqt:u", 1, 2,
                     78:        "[-agoqu] " CMD_TARGET_WINDOW_USAGE " option [value]",
1.46      nicm       79:        0,
                     80:        cmd_set_option_exec
                     81: };
                     82:
1.57      nicm       83: enum cmd_retval
1.60      nicm       84: cmd_set_option_exec(struct cmd *self, struct cmd_q *cmdq)
1.1       nicm       85: {
1.44      nicm       86:        struct args                             *args = self->args;
1.87      nicm       87:        const struct options_table_entry        *oe;
1.43      nicm       88:        struct session                          *s;
                     89:        struct winlink                          *wl;
                     90:        struct client                           *c;
                     91:        struct options                          *oo;
1.55      nicm       92:        struct window                           *w;
1.44      nicm       93:        const char                              *optstr, *valstr;
1.1       nicm       94:
1.50      nicm       95:        /* Get the option name and value. */
                     96:        optstr = args->argv[0];
                     97:        if (*optstr == '\0') {
1.60      nicm       98:                cmdq_error(cmdq, "invalid option");
1.57      nicm       99:                return (CMD_RETURN_ERROR);
1.50      nicm      100:        }
                    101:        if (args->argc < 2)
                    102:                valstr = NULL;
                    103:        else
                    104:                valstr = args->argv[1];
                    105:
1.59      nicm      106:        /* Is this a user option? */
                    107:        if (*optstr == '@')
1.60      nicm      108:                return (cmd_set_option_user(self, cmdq, optstr, valstr));
1.59      nicm      109:
1.50      nicm      110:        /* Find the option entry, try each table. */
1.87      nicm      111:        oe = NULL;
                    112:        if (options_table_find(optstr, &oe) != 0) {
1.76      nicm      113:                if (!args_has(args, 'q')) {
                    114:                        cmdq_error(cmdq, "ambiguous option: %s", optstr);
                    115:                        return (CMD_RETURN_ERROR);
                    116:                }
                    117:                return (CMD_RETURN_NORMAL);
1.50      nicm      118:        }
                    119:        if (oe == NULL) {
1.67      nicm      120:                if (!args_has(args, 'q')) {
                    121:                        cmdq_error(cmdq, "unknown option: %s", optstr);
                    122:                        return (CMD_RETURN_ERROR);
                    123:                }
                    124:                return (CMD_RETURN_NORMAL);
1.50      nicm      125:        }
                    126:
1.87      nicm      127:        /* Work out the tree from the scope of the option. */
                    128:        if (oe->scope == OPTIONS_TABLE_SERVER)
1.84      nicm      129:                oo = global_options;
1.87      nicm      130:        else if (oe->scope == OPTIONS_TABLE_WINDOW) {
1.44      nicm      131:                if (args_has(self->args, 'g'))
1.84      nicm      132:                        oo = global_w_options;
1.27      nicm      133:                else {
1.60      nicm      134:                        wl = cmd_find_window(cmdq, args_get(args, 't'), NULL);
1.62      nicm      135:                        if (wl == NULL) {
                    136:                                cmdq_error(cmdq,
                    137:                                    "couldn't set '%s'%s", optstr,
                    138:                                    (!args_has(args, 't') && !args_has(args,
                    139:                                    'g')) ? " need target window or -g" : "");
1.57      nicm      140:                                return (CMD_RETURN_ERROR);
1.62      nicm      141:                        }
1.84      nicm      142:                        oo = wl->window->options;
1.27      nicm      143:                }
1.87      nicm      144:        } else if (oe->scope == OPTIONS_TABLE_SESSION) {
1.44      nicm      145:                if (args_has(self->args, 'g'))
1.84      nicm      146:                        oo = global_s_options;
1.27      nicm      147:                else {
1.60      nicm      148:                        s = cmd_find_session(cmdq, args_get(args, 't'), 0);
1.62      nicm      149:                        if (s == NULL) {
                    150:                                cmdq_error(cmdq,
                    151:                                    "couldn't set '%s'%s", optstr,
                    152:                                    (!args_has(args, 't') && !args_has(args,
                    153:                                    'g')) ? " need target session or -g" : "");
1.57      nicm      154:                                return (CMD_RETURN_ERROR);
1.62      nicm      155:                        }
1.84      nicm      156:                        oo = s->options;
1.27      nicm      157:                }
1.50      nicm      158:        } else {
1.60      nicm      159:                cmdq_error(cmdq, "unknown table");
1.57      nicm      160:                return (CMD_RETURN_ERROR);
1.1       nicm      161:        }
                    162:
1.43      nicm      163:        /* Unset or set the option. */
1.44      nicm      164:        if (args_has(args, 'u')) {
1.60      nicm      165:                if (cmd_set_option_unset(self, cmdq, oe, oo, valstr) != 0)
1.57      nicm      166:                        return (CMD_RETURN_ERROR);
1.43      nicm      167:        } else {
1.61      nicm      168:                if (args_has(args, 'o') && options_find1(oo, optstr) != NULL) {
1.67      nicm      169:                        if (!args_has(args, 'q')) {
                    170:                                cmdq_error(cmdq, "already set: %s", optstr);
                    171:                                return (CMD_RETURN_ERROR);
                    172:                        }
1.61      nicm      173:                        return (CMD_RETURN_NORMAL);
                    174:                }
1.60      nicm      175:                if (cmd_set_option_set(self, cmdq, oe, oo, valstr) != 0)
1.57      nicm      176:                        return (CMD_RETURN_ERROR);
1.55      nicm      177:        }
                    178:
1.78      nicm      179:        /* Start or stop timers if necessary. */
1.65      nicm      180:        if (strcmp(oe->name, "automatic-rename") == 0) {
1.72      nicm      181:                RB_FOREACH(w, windows, &windows) {
1.84      nicm      182:                        if (options_get_number(w->options, "automatic-rename"))
1.81      nicm      183:                                w->active->flags |= PANE_CHANGED;
1.55      nicm      184:                }
1.1       nicm      185:        }
1.77      nicm      186:        if (strcmp(oe->name, "status") == 0 ||
                    187:            strcmp(oe->name, "status-interval") == 0)
                    188:                status_timer_start_all();
1.82      nicm      189:        if (strcmp(oe->name, "monitor-silence") == 0)
                    190:                alerts_reset_all();
1.1       nicm      191:
1.43      nicm      192:        /* Update sizes and redraw. May not need it but meh. */
1.1       nicm      193:        recalculate_sizes();
1.74      nicm      194:        TAILQ_FOREACH(c, &clients, entry) {
                    195:                if (c->session != NULL)
1.27      nicm      196:                        server_redraw_client(c);
1.1       nicm      197:        }
                    198:
1.57      nicm      199:        return (CMD_RETURN_NORMAL);
1.27      nicm      200: }
1.59      nicm      201:
                    202: /* Set user option. */
                    203: enum cmd_retval
1.70      nicm      204: cmd_set_option_user(struct cmd *self, struct cmd_q *cmdq, const char *optstr,
1.59      nicm      205:     const char *valstr)
                    206: {
                    207:        struct args     *args = self->args;
                    208:        struct session  *s;
                    209:        struct winlink  *wl;
                    210:        struct options  *oo;
                    211:
                    212:        if (args_has(args, 's'))
1.84      nicm      213:                oo = global_options;
1.59      nicm      214:        else if (args_has(self->args, 'w') ||
                    215:            self->entry == &cmd_set_window_option_entry) {
                    216:                if (args_has(self->args, 'g'))
1.84      nicm      217:                        oo = global_w_options;
1.59      nicm      218:                else {
1.60      nicm      219:                        wl = cmd_find_window(cmdq, args_get(args, 't'), NULL);
1.59      nicm      220:                        if (wl == NULL)
                    221:                                return (CMD_RETURN_ERROR);
1.84      nicm      222:                        oo = wl->window->options;
1.59      nicm      223:                }
                    224:        } else {
                    225:                if (args_has(self->args, 'g'))
1.84      nicm      226:                        oo = global_s_options;
1.59      nicm      227:                else {
1.60      nicm      228:                        s = cmd_find_session(cmdq, args_get(args, 't'), 0);
1.59      nicm      229:                        if (s == NULL)
                    230:                                return (CMD_RETURN_ERROR);
1.84      nicm      231:                        oo = s->options;
1.59      nicm      232:                }
                    233:        }
                    234:
                    235:        if (args_has(args, 'u')) {
                    236:                if (options_find1(oo, optstr) == NULL) {
1.67      nicm      237:                        if (!args_has(args, 'q')) {
                    238:                                cmdq_error(cmdq, "unknown option: %s", optstr);
                    239:                                return (CMD_RETURN_ERROR);
                    240:                        }
                    241:                        return (CMD_RETURN_NORMAL);
1.59      nicm      242:                }
                    243:                if (valstr != NULL) {
1.60      nicm      244:                        cmdq_error(cmdq, "value passed to unset option: %s",
1.59      nicm      245:                            optstr);
                    246:                        return (CMD_RETURN_ERROR);
                    247:                }
                    248:                options_remove(oo, optstr);
                    249:        } else {
                    250:                if (valstr == NULL) {
1.60      nicm      251:                        cmdq_error(cmdq, "empty value");
1.59      nicm      252:                        return (CMD_RETURN_ERROR);
1.61      nicm      253:                }
                    254:                if (args_has(args, 'o') && options_find1(oo, optstr) != NULL) {
1.67      nicm      255:                        if (!args_has(args, 'q')) {
                    256:                                cmdq_error(cmdq, "already set: %s", optstr);
1.70      nicm      257:                                return (CMD_RETURN_ERROR);
1.67      nicm      258:                        }
1.61      nicm      259:                        return (CMD_RETURN_NORMAL);
1.59      nicm      260:                }
                    261:                options_set_string(oo, optstr, "%s", valstr);
                    262:        }
                    263:        return (CMD_RETURN_NORMAL);
                    264: }
1.27      nicm      265:
1.43      nicm      266: /* Unset an option. */
                    267: int
1.60      nicm      268: cmd_set_option_unset(struct cmd *self, struct cmd_q *cmdq,
1.69      nicm      269:     const struct options_table_entry *oe, struct options *oo,
                    270:     const char *value)
1.27      nicm      271: {
1.44      nicm      272:        struct args     *args = self->args;
1.43      nicm      273:
1.44      nicm      274:        if (value != NULL) {
1.60      nicm      275:                cmdq_error(cmdq, "value passed to unset option: %s", oe->name);
1.43      nicm      276:                return (-1);
1.27      nicm      277:        }
1.43      nicm      278:
1.84      nicm      279:        if (args_has(args, 'g') || oo == global_options) {
1.75      nicm      280:                switch (oe->type) {
                    281:                case OPTIONS_TABLE_STRING:
                    282:                        options_set_string(oo, oe->name, "%s", oe->default_str);
                    283:                        break;
                    284:                case OPTIONS_TABLE_STYLE:
                    285:                        options_set_style(oo, oe->name, oe->default_str, 0);
                    286:                        break;
                    287:                default:
                    288:                        options_set_number(oo, oe->name, oe->default_num);
                    289:                        break;
                    290:                }
                    291:        } else
                    292:                options_remove(oo, oe->name);
1.43      nicm      293:        return (0);
1.27      nicm      294: }
                    295:
1.43      nicm      296: /* Set an option. */
                    297: int
1.60      nicm      298: cmd_set_option_set(struct cmd *self, struct cmd_q *cmdq,
1.69      nicm      299:     const struct options_table_entry *oe, struct options *oo,
                    300:     const char *value)
1.27      nicm      301: {
                    302:        struct options_entry    *o;
                    303:
1.73      nicm      304:        switch (oe->type) {
                    305:        case OPTIONS_TABLE_FLAG:
                    306:        case OPTIONS_TABLE_CHOICE:
                    307:                break;
                    308:        default:
                    309:                if (value == NULL) {
                    310:                        cmdq_error(cmdq, "empty value");
                    311:                        return (-1);
                    312:                }
1.27      nicm      313:        }
                    314:
1.43      nicm      315:        o = NULL;
                    316:        switch (oe->type) {
                    317:        case OPTIONS_TABLE_STRING:
1.60      nicm      318:                o = cmd_set_option_string(self, cmdq, oe, oo, value);
1.43      nicm      319:                break;
                    320:        case OPTIONS_TABLE_NUMBER:
1.60      nicm      321:                o = cmd_set_option_number(self, cmdq, oe, oo, value);
1.43      nicm      322:                break;
1.52      nicm      323:        case OPTIONS_TABLE_KEY:
1.60      nicm      324:                o = cmd_set_option_key(self, cmdq, oe, oo, value);
1.43      nicm      325:                break;
                    326:        case OPTIONS_TABLE_COLOUR:
1.60      nicm      327:                o = cmd_set_option_colour(self, cmdq, oe, oo, value);
1.66      nicm      328:                if (o != NULL)
                    329:                        style_update_new(oo, o->name, oe->style);
1.43      nicm      330:                break;
                    331:        case OPTIONS_TABLE_ATTRIBUTES:
1.60      nicm      332:                o = cmd_set_option_attributes(self, cmdq, oe, oo, value);
1.66      nicm      333:                if (o != NULL)
                    334:                        style_update_new(oo, o->name, oe->style);
1.43      nicm      335:                break;
                    336:        case OPTIONS_TABLE_FLAG:
1.60      nicm      337:                o = cmd_set_option_flag(self, cmdq, oe, oo, value);
1.43      nicm      338:                break;
                    339:        case OPTIONS_TABLE_CHOICE:
1.60      nicm      340:                o = cmd_set_option_choice(self, cmdq, oe, oo, value);
1.43      nicm      341:                break;
1.64      nicm      342:        case OPTIONS_TABLE_STYLE:
                    343:                o = cmd_set_option_style(self, cmdq, oe, oo, value);
                    344:                break;
1.43      nicm      345:        }
                    346:        if (o == NULL)
                    347:                return (-1);
                    348:        return (0);
                    349: }
                    350:
                    351: /* Set a string option. */
                    352: struct options_entry *
1.86      nicm      353: cmd_set_option_string(struct cmd *self, __unused struct cmd_q *cmdq,
1.69      nicm      354:     const struct options_table_entry *oe, struct options *oo,
                    355:     const char *value)
1.43      nicm      356: {
1.54      nicm      357:        struct args             *args = self->args;
1.43      nicm      358:        struct options_entry    *o;
                    359:        char                    *oldval, *newval;
                    360:
1.44      nicm      361:        if (args_has(args, 'a')) {
1.43      nicm      362:                oldval = options_get_string(oo, oe->name);
1.44      nicm      363:                xasprintf(&newval, "%s%s", oldval, value);
1.27      nicm      364:        } else
1.44      nicm      365:                newval = xstrdup(value);
1.28      nicm      366:
1.43      nicm      367:        o = options_set_string(oo, oe->name, "%s", newval);
1.27      nicm      368:
1.56      nicm      369:        free(newval);
1.43      nicm      370:        return (o);
1.27      nicm      371: }
                    372:
1.43      nicm      373: /* Set a number option. */
                    374: struct options_entry *
1.86      nicm      375: cmd_set_option_number(__unused struct cmd *self, struct cmd_q *cmdq,
1.69      nicm      376:     const struct options_table_entry *oe, struct options *oo,
                    377:     const char *value)
1.27      nicm      378: {
1.44      nicm      379:        long long        ll;
                    380:        const char      *errstr;
1.27      nicm      381:
1.44      nicm      382:        ll = strtonum(value, oe->minimum, oe->maximum, &errstr);
1.27      nicm      383:        if (errstr != NULL) {
1.60      nicm      384:                cmdq_error(cmdq, "value is %s: %s", errstr, value);
1.43      nicm      385:                return (NULL);
1.27      nicm      386:        }
                    387:
1.43      nicm      388:        return (options_set_number(oo, oe->name, ll));
1.27      nicm      389: }
                    390:
1.52      nicm      391: /* Set a key option. */
1.43      nicm      392: struct options_entry *
1.86      nicm      393: cmd_set_option_key(__unused struct cmd *self, struct cmd_q *cmdq,
1.69      nicm      394:     const struct options_table_entry *oe, struct options *oo,
                    395:     const char *value)
1.27      nicm      396: {
1.85      nicm      397:        key_code        key;
1.52      nicm      398:
1.88    ! nicm      399:        key = key_string_lookup_string(value);
        !           400:        if (key == KEYC_UNKNOWN) {
1.60      nicm      401:                cmdq_error(cmdq, "bad key: %s", value);
1.52      nicm      402:                return (NULL);
1.27      nicm      403:        }
                    404:
1.52      nicm      405:        return (options_set_number(oo, oe->name, key));
1.27      nicm      406: }
                    407:
1.43      nicm      408: /* Set a colour option. */
                    409: struct options_entry *
1.86      nicm      410: cmd_set_option_colour(__unused struct cmd *self, struct cmd_q *cmdq,
1.69      nicm      411:     const struct options_table_entry *oe, struct options *oo,
                    412:     const char *value)
1.27      nicm      413: {
1.44      nicm      414:        int     colour;
1.27      nicm      415:
1.44      nicm      416:        if ((colour = colour_fromstring(value)) == -1) {
1.60      nicm      417:                cmdq_error(cmdq, "bad colour: %s", value);
1.43      nicm      418:                return (NULL);
1.27      nicm      419:        }
                    420:
1.43      nicm      421:        return (options_set_number(oo, oe->name, colour));
1.27      nicm      422: }
                    423:
1.43      nicm      424: /* Set an attributes option. */
                    425: struct options_entry *
1.86      nicm      426: cmd_set_option_attributes(__unused struct cmd *self, struct cmd_q *cmdq,
1.69      nicm      427:     const struct options_table_entry *oe, struct options *oo,
                    428:     const char *value)
1.27      nicm      429: {
1.44      nicm      430:        int     attr;
1.27      nicm      431:
1.44      nicm      432:        if ((attr = attributes_fromstring(value)) == -1) {
1.60      nicm      433:                cmdq_error(cmdq, "bad attributes: %s", value);
1.43      nicm      434:                return (NULL);
1.27      nicm      435:        }
                    436:
1.43      nicm      437:        return (options_set_number(oo, oe->name, attr));
1.27      nicm      438: }
                    439:
1.43      nicm      440: /* Set a flag option. */
                    441: struct options_entry *
1.86      nicm      442: cmd_set_option_flag(__unused struct cmd *self, struct cmd_q *cmdq,
1.69      nicm      443:     const struct options_table_entry *oe, struct options *oo,
                    444:     const char *value)
1.27      nicm      445: {
1.44      nicm      446:        int     flag;
1.27      nicm      447:
1.44      nicm      448:        if (value == NULL || *value == '\0')
1.43      nicm      449:                flag = !options_get_number(oo, oe->name);
1.27      nicm      450:        else {
1.44      nicm      451:                if ((value[0] == '1' && value[1] == '\0') ||
                    452:                    strcasecmp(value, "on") == 0 ||
                    453:                    strcasecmp(value, "yes") == 0)
1.27      nicm      454:                        flag = 1;
1.44      nicm      455:                else if ((value[0] == '0' && value[1] == '\0') ||
                    456:                    strcasecmp(value, "off") == 0 ||
                    457:                    strcasecmp(value, "no") == 0)
1.27      nicm      458:                        flag = 0;
                    459:                else {
1.60      nicm      460:                        cmdq_error(cmdq, "bad value: %s", value);
1.43      nicm      461:                        return (NULL);
1.27      nicm      462:                }
                    463:        }
                    464:
1.43      nicm      465:        return (options_set_number(oo, oe->name, flag));
1.27      nicm      466: }
                    467:
1.43      nicm      468: /* Set a choice option. */
                    469: struct options_entry *
1.86      nicm      470: cmd_set_option_choice(__unused struct cmd *self, struct cmd_q *cmdq,
1.60      nicm      471:     const struct options_table_entry *oe, struct options *oo,
                    472:     const char *value)
1.27      nicm      473: {
1.44      nicm      474:        const char      **choicep;
                    475:        int               n, choice = -1;
1.27      nicm      476:
1.73      nicm      477:        if (value == NULL) {
                    478:                choice = options_get_number(oo, oe->name);
                    479:                if (choice < 2)
                    480:                        choice = !choice;
                    481:        } else {
                    482:                n = 0;
                    483:                for (choicep = oe->choices; *choicep != NULL; choicep++) {
                    484:                        n++;
                    485:                        if (strncmp(*choicep, value, strlen(value)) != 0)
                    486:                                continue;
                    487:
                    488:                        if (choice != -1) {
                    489:                                cmdq_error(cmdq, "ambiguous value: %s", value);
                    490:                                return (NULL);
                    491:                        }
                    492:                        choice = n - 1;
                    493:                }
                    494:                if (choice == -1) {
                    495:                        cmdq_error(cmdq, "unknown value: %s", value);
1.43      nicm      496:                        return (NULL);
1.27      nicm      497:                }
                    498:        }
                    499:
1.43      nicm      500:        return (options_set_number(oo, oe->name, choice));
1.64      nicm      501: }
                    502:
                    503: /* Set a style option. */
                    504: struct options_entry *
                    505: cmd_set_option_style(struct cmd *self, struct cmd_q *cmdq,
                    506:     const struct options_table_entry *oe, struct options *oo,
                    507:     const char *value)
                    508: {
                    509:        struct args             *args = self->args;
                    510:        struct options_entry    *o;
                    511:        int                      append;
                    512:
                    513:        append = args_has(args, 'a');
                    514:        if ((o = options_set_style(oo, oe->name, value, append)) == NULL) {
                    515:                cmdq_error(cmdq, "bad style: %s", value);
                    516:                return (NULL);
                    517:        }
                    518:
                    519:        style_update_old(oo, oe->name, &o->style);
                    520:        return (o);
1.1       nicm      521: }