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https://github.com/tmate-io/tmate.git
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58e8e0eac8
fires while the window is dead but still referenced. Fixes problem reported by Michael Scholz.
132 lines
3.2 KiB
C
132 lines
3.2 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2009 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 <ctype.h>
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#include <libgen.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "tmux.h"
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void window_name_callback(unused int, unused short, void *);
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char *parse_window_name(const char *);
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void
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queue_window_name(struct window *w)
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{
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struct timeval tv;
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tv.tv_sec = 0;
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tv.tv_usec = NAME_INTERVAL * 1000L;
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if (event_initialized(&w->name_timer))
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evtimer_del(&w->name_timer);
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evtimer_set(&w->name_timer, window_name_callback, w);
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evtimer_add(&w->name_timer, &tv);
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}
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/* ARGSUSED */
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void
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window_name_callback(unused int fd, unused short events, void *data)
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{
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struct window *w = data;
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char *name, *wname;
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if (w->active == NULL)
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return;
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if (!options_get_number(&w->options, "automatic-rename")) {
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if (event_initialized(&w->name_timer))
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event_del(&w->name_timer);
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return;
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}
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queue_window_name(w);
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if (w->active->screen != &w->active->base)
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name = NULL;
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else
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name = get_proc_name(w->active->fd, w->active->tty);
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if (name == NULL)
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wname = default_window_name(w);
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else {
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/*
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* If tmux is using the default command, it will be a login
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* shell and argv[0] may have a - prefix. Remove this if it is
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* present. Ick.
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*/
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if (w->active->cmd != NULL && *w->active->cmd == '\0' &&
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name != NULL && name[0] == '-' && name[1] != '\0')
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wname = parse_window_name(name + 1);
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else
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wname = parse_window_name(name);
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free(name);
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}
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if (w->active->fd == -1) {
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xasprintf(&name, "%s[dead]", wname);
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free(wname);
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wname = name;
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}
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if (strcmp(wname, w->name)) {
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window_set_name(w, wname);
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server_status_window(w);
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}
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free(wname);
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}
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char *
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default_window_name(struct window *w)
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{
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if (w->active->screen != &w->active->base)
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return (xstrdup("[tmux]"));
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if (w->active->cmd != NULL && *w->active->cmd != '\0')
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return (parse_window_name(w->active->cmd));
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return (parse_window_name(w->active->shell));
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}
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char *
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parse_window_name(const char *in)
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{
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char *copy, *name, *ptr;
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name = copy = xstrdup(in);
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if (strncmp(name, "exec ", (sizeof "exec ") - 1) == 0)
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name = name + (sizeof "exec ") - 1;
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while (*name == ' ')
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name++;
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if ((ptr = strchr(name, ' ')) != NULL)
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*ptr = '\0';
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if (*name != '\0') {
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ptr = name + strlen(name) - 1;
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while (ptr > name && !isalnum((u_char)*ptr))
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*ptr-- = '\0';
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}
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if (*name == '/')
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name = basename(name);
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name = xstrdup(name);
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free(copy);
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return (name);
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}
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