412 lines
11 KiB
C
412 lines
11 KiB
C
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/* $Id: cmd-set-option.c,v 1.1.1.2 2011/08/17 18:40:04 jmmv Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <stdlib.h>
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#include <string.h>
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#include "tmux.h"
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/*
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* Set an option.
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*/
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int cmd_set_option_exec(struct cmd *, struct cmd_ctx *);
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int cmd_set_option_find(const char *, const struct options_table_entry **,
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const struct options_table_entry **);
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int cmd_set_option_unset(struct cmd *, struct cmd_ctx *,
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const struct options_table_entry *, struct options *,
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const char *);
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int cmd_set_option_set(struct cmd *, struct cmd_ctx *,
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const struct options_table_entry *, struct options *,
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const char *);
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struct options_entry *cmd_set_option_string(struct cmd *, struct cmd_ctx *,
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const struct options_table_entry *, struct options *,
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const char *);
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struct options_entry *cmd_set_option_number(struct cmd *, struct cmd_ctx *,
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const struct options_table_entry *, struct options *,
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const char *);
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struct options_entry *cmd_set_option_keys(struct cmd *, struct cmd_ctx *,
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const struct options_table_entry *, struct options *,
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const char *);
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struct options_entry *cmd_set_option_colour(struct cmd *, struct cmd_ctx *,
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const struct options_table_entry *, struct options *,
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const char *);
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struct options_entry *cmd_set_option_attributes(struct cmd *, struct cmd_ctx *,
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const struct options_table_entry *, struct options *,
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const char *);
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struct options_entry *cmd_set_option_flag(struct cmd *, struct cmd_ctx *,
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const struct options_table_entry *, struct options *,
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const char *);
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struct options_entry *cmd_set_option_choice(struct cmd *, struct cmd_ctx *,
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const struct options_table_entry *, struct options *,
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const char *);
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const struct cmd_entry cmd_set_option_entry = {
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"set-option", "set",
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"agst:uw", 1, 2,
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"[-agsuw] [-t target-session|target-window] option [value]",
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0,
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NULL,
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NULL,
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cmd_set_option_exec
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};
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const struct cmd_entry cmd_set_window_option_entry = {
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"set-window-option", "setw",
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"agt:u", 1, 2,
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"[-agu] " CMD_TARGET_WINDOW_USAGE " option [value]",
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0,
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NULL,
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NULL,
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cmd_set_option_exec
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};
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/* Look for an option in all three tables. */
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int
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cmd_set_option_find(
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const char *optstr, const struct options_table_entry **table,
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const struct options_table_entry **oe)
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{
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static const struct options_table_entry *tables[] = {
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server_options_table,
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window_options_table,
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session_options_table
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};
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const struct options_table_entry *oe_loop;
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u_int i;
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for (i = 0; i < nitems(tables); i++) {
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for (oe_loop = tables[i]; oe_loop->name != NULL; oe_loop++) {
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if (strncmp(oe_loop->name, optstr, strlen(optstr)) != 0)
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continue;
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/* If already found, ambiguous. */
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if (*oe != NULL)
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return (-1);
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*oe = oe_loop;
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*table = tables[i];
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/* Bail now if an exact match. */
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if (strcmp((*oe)->name, optstr) == 0)
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break;
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}
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}
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return (0);
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}
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int
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cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
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{
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struct args *args = self->args;
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const struct options_table_entry *table, *oe;
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struct session *s;
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struct winlink *wl;
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struct client *c;
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struct options *oo;
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const char *optstr, *valstr;
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u_int i;
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/* Get the option name and value. */
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optstr = args->argv[0];
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if (*optstr == '\0') {
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ctx->error(ctx, "invalid option");
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return (-1);
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}
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if (args->argc < 2)
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valstr = NULL;
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else
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valstr = args->argv[1];
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/* Find the option entry, try each table. */
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table = oe = NULL;
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if (cmd_set_option_find(optstr, &table, &oe) != 0) {
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ctx->error(ctx, "ambiguous option: %s", optstr);
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return (-1);
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}
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if (oe == NULL) {
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ctx->error(ctx, "unknown option: %s", optstr);
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return (-1);
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}
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/* Work out the tree from the table. */
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if (table == server_options_table)
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oo = &global_options;
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else if (table == window_options_table) {
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if (args_has(self->args, 'g'))
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oo = &global_w_options;
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else {
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wl = cmd_find_window(ctx, args_get(args, 't'), NULL);
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if (wl == NULL)
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return (-1);
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oo = &wl->window->options;
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}
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} else if (table == session_options_table) {
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if (args_has(self->args, 'g'))
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oo = &global_s_options;
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else {
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s = cmd_find_session(ctx, args_get(args, 't'), 0);
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if (s == NULL)
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return (-1);
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oo = &s->options;
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}
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} else {
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ctx->error(ctx, "unknown table");
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return (-1);
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}
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/* Unset or set the option. */
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if (args_has(args, 'u')) {
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if (cmd_set_option_unset(self, ctx, oe, oo, valstr) != 0)
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return (-1);
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} else {
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if (cmd_set_option_set(self, ctx, oe, oo, valstr) != 0)
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return (-1);
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}
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/* Update sizes and redraw. May not need it but meh. */
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recalculate_sizes();
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for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
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c = ARRAY_ITEM(&clients, i);
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if (c != NULL && c->session != NULL)
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server_redraw_client(c);
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}
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return (0);
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}
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/* Unset an option. */
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int
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cmd_set_option_unset(struct cmd *self, struct cmd_ctx *ctx,
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const struct options_table_entry *oe, struct options *oo, const char *value)
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{
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struct args *args = self->args;
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if (args_has(args, 'g')) {
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ctx->error(ctx, "can't unset global option: %s", oe->name);
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return (-1);
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}
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if (value != NULL) {
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ctx->error(ctx, "value passed to unset option: %s", oe->name);
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return (-1);
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}
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options_remove(oo, oe->name);
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ctx->info(ctx, "unset option: %s", oe->name);
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return (0);
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}
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/* Set an option. */
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int
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cmd_set_option_set(struct cmd *self, struct cmd_ctx *ctx,
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const struct options_table_entry *oe, struct options *oo, const char *value)
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{
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struct options_entry *o;
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const char *s;
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if (oe->type != OPTIONS_TABLE_FLAG && value == NULL) {
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ctx->error(ctx, "empty value");
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return (-1);
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}
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o = NULL;
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switch (oe->type) {
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case OPTIONS_TABLE_STRING:
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o = cmd_set_option_string(self, ctx, oe, oo, value);
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break;
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case OPTIONS_TABLE_NUMBER:
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o = cmd_set_option_number(self, ctx, oe, oo, value);
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break;
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case OPTIONS_TABLE_KEYS:
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o = cmd_set_option_keys(self, ctx, oe, oo, value);
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break;
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case OPTIONS_TABLE_COLOUR:
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o = cmd_set_option_colour(self, ctx, oe, oo, value);
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break;
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case OPTIONS_TABLE_ATTRIBUTES:
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o = cmd_set_option_attributes(self, ctx, oe, oo, value);
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break;
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case OPTIONS_TABLE_FLAG:
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o = cmd_set_option_flag(self, ctx, oe, oo, value);
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break;
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case OPTIONS_TABLE_CHOICE:
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o = cmd_set_option_choice(self, ctx, oe, oo, value);
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break;
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}
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if (o == NULL)
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return (-1);
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s = options_table_print_entry(oe, o);
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ctx->info(ctx, "set option: %s -> %s", oe->name, s);
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return (0);
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}
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/* Set a string option. */
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struct options_entry *
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cmd_set_option_string(struct cmd *self, unused struct cmd_ctx *ctx,
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const struct options_table_entry *oe, struct options *oo, const char *value)
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{
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struct args *args = self->args;
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struct options_entry *o;
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char *oldval, *newval;
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if (args_has(args, 'a')) {
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oldval = options_get_string(oo, oe->name);
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xasprintf(&newval, "%s%s", oldval, value);
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} else
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newval = xstrdup(value);
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o = options_set_string(oo, oe->name, "%s", newval);
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xfree(newval);
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return (o);
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}
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/* Set a number option. */
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struct options_entry *
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cmd_set_option_number(unused struct cmd *self, struct cmd_ctx *ctx,
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const struct options_table_entry *oe, struct options *oo, const char *value)
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{
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long long ll;
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const char *errstr;
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ll = strtonum(value, oe->minimum, oe->maximum, &errstr);
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if (errstr != NULL) {
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ctx->error(ctx, "value is %s: %s", errstr, value);
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return (NULL);
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}
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return (options_set_number(oo, oe->name, ll));
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}
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/* Set a keys option. */
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struct options_entry *
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cmd_set_option_keys(unused struct cmd *self, struct cmd_ctx *ctx,
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const struct options_table_entry *oe, struct options *oo, const char *value)
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{
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struct keylist *keylist;
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char *copy, *ptr, *s;
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int key;
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keylist = xmalloc(sizeof *keylist);
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ARRAY_INIT(keylist);
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ptr = copy = xstrdup(value);
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while ((s = strsep(&ptr, ",")) != NULL) {
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if ((key = key_string_lookup_string(s)) == KEYC_NONE) {
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ctx->error(ctx, "unknown key: %s", s);
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xfree(copy);
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xfree(keylist);
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return (NULL);
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}
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ARRAY_ADD(keylist, key);
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}
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xfree(copy);
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return (options_set_data(oo, oe->name, keylist, xfree));
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}
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/* Set a colour option. */
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struct options_entry *
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cmd_set_option_colour(unused struct cmd *self, struct cmd_ctx *ctx,
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const struct options_table_entry *oe, struct options *oo, const char *value)
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{
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int colour;
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if ((colour = colour_fromstring(value)) == -1) {
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ctx->error(ctx, "bad colour: %s", value);
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return (NULL);
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}
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return (options_set_number(oo, oe->name, colour));
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}
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/* Set an attributes option. */
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struct options_entry *
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cmd_set_option_attributes(unused struct cmd *self, struct cmd_ctx *ctx,
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const struct options_table_entry *oe, struct options *oo, const char *value)
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{
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int attr;
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if ((attr = attributes_fromstring(value)) == -1) {
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ctx->error(ctx, "bad attributes: %s", value);
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return (NULL);
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}
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return (options_set_number(oo, oe->name, attr));
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}
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/* Set a flag option. */
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struct options_entry *
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cmd_set_option_flag(unused struct cmd *self, struct cmd_ctx *ctx,
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const struct options_table_entry *oe, struct options *oo, const char *value)
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{
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int flag;
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if (value == NULL || *value == '\0')
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flag = !options_get_number(oo, oe->name);
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else {
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if ((value[0] == '1' && value[1] == '\0') ||
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strcasecmp(value, "on") == 0 ||
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strcasecmp(value, "yes") == 0)
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flag = 1;
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else if ((value[0] == '0' && value[1] == '\0') ||
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strcasecmp(value, "off") == 0 ||
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||
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|
strcasecmp(value, "no") == 0)
|
||
|
|
flag = 0;
|
||
|
|
else {
|
||
|
|
ctx->error(ctx, "bad value: %s", value);
|
||
|
|
return (NULL);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return (options_set_number(oo, oe->name, flag));
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Set a choice option. */
|
||
|
|
struct options_entry *
|
||
|
|
cmd_set_option_choice(unused struct cmd *self, struct cmd_ctx *ctx,
|
||
|
|
const struct options_table_entry *oe, struct options *oo, const char *value)
|
||
|
|
{
|
||
|
|
const char **choicep;
|
||
|
|
int n, choice = -1;
|
||
|
|
|
||
|
|
n = 0;
|
||
|
|
for (choicep = oe->choices; *choicep != NULL; choicep++) {
|
||
|
|
n++;
|
||
|
|
if (strncmp(*choicep, value, strlen(value)) != 0)
|
||
|
|
continue;
|
||
|
|
|
||
|
|
if (choice != -1) {
|
||
|
|
ctx->error(ctx, "ambiguous value: %s", value);
|
||
|
|
return (NULL);
|
||
|
|
}
|
||
|
|
choice = n - 1;
|
||
|
|
}
|
||
|
|
if (choice == -1) {
|
||
|
|
ctx->error(ctx, "unknown value: %s", value);
|
||
|
|
return (NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
return (options_set_number(oo, oe->name, choice));
|
||
|
|
}
|