/* $OpenBSD$ */
/*
* Copyright (c) 2011 Nicholas Marriott <nicholas.marriott@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/wait.h>
#include <ctype.h>
#include <errno.h>
#include <libgen.h>
#include <netdb.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include "tmux.h"
/*
* Build a list of key-value pairs and use them to expand #{key} entries in a
* string.
*/
struct format_entry;
typedef void (*format_cb)(struct format_tree *, struct format_entry *);
static void format_job_callback(struct job *);
static char *format_job_get(struct format_tree *, const char *);
static void format_job_timer(int, short, void *);
static void format_cb_host(struct format_tree *, struct format_entry *);
static void format_cb_host_short(struct format_tree *,
struct format_entry *);
static void format_cb_pid(struct format_tree *, struct format_entry *);
static void format_cb_session_alerts(struct format_tree *,
struct format_entry *);
static void format_cb_window_layout(struct format_tree *,
struct format_entry *);
static void format_cb_window_visible_layout(struct format_tree *,
struct format_entry *);
static void format_cb_start_command(struct format_tree *,
struct format_entry *);
static void format_cb_current_command(struct format_tree *,
struct format_entry *);
static void format_cb_history_bytes(struct format_tree *,
struct format_entry *);
static void format_cb_pane_tabs(struct format_tree *,
struct format_entry *);
static char *format_find(struct format_tree *, const char *, int);
static void format_add_cb(struct format_tree *, const char *, format_cb);
static void format_add_tv(struct format_tree *, const char *,
struct timeval *);
static int format_replace(struct format_tree *, const char *, size_t,
char **, size_t *, size_t *);
static void format_defaults_session(struct format_tree *,
struct session *);
static void format_defaults_client(struct format_tree *, struct client *);
static void format_defaults_winlink(struct format_tree *, struct session *,
struct winlink *);
/* Entry in format job tree. */
struct format_job {
const