1 /* $OpenBSD: names.c,v 1.11 2009/12/03 22:50:10 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2009 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 <ctype.h> 22 #include <libgen.h> 23 #include <string.h> 24 #include <unistd.h> 25 26 #include "tmux.h" 27 28 void window_name_callback(unused int, unused short, void *); 29 char *parse_window_name(const char *); 30 31 void 32 queue_window_name(struct window *w) 33 { 34 struct timeval tv; 35 36 tv.tv_sec = 0; 37 tv.tv_usec = NAME_INTERVAL * 1000L; 38 39 evtimer_del(&w->name_timer); 40 evtimer_set(&w->name_timer, window_name_callback, w); 41 evtimer_add(&w->name_timer, &tv); 42 } 43 44 /* ARGSUSED */ 45 void 46 window_name_callback(unused int fd, unused short events, void *data) 47 { 48 struct window *w = data; 49 char *name, *wname; 50 51 queue_window_name(w); /* XXX even if the option is off? */ 52 if (!options_get_number(&w->options, "automatic-rename")) 53 return; 54 55 if (w->active->screen != &w->active->base) 56 name = NULL; 57 else 58 name = get_proc_name(w->active->fd, w->active->tty); 59 if (name == NULL) 60 wname = default_window_name(w); 61 else { 62 /* 63 * If tmux is using the default command, it will be a login 64 * shell and argv[0] may have a - prefix. Remove this if it is 65 * present. Ick. 66 */ 67 if (w->active->cmd != NULL && *w->active->cmd == '\0' && 68 name != NULL && name[0] == '-' && name[1] != '\0') 69 wname = parse_window_name(name + 1); 70 else 71 wname = parse_window_name(name); 72 xfree(name); 73 } 74 75 if (w->active->fd == -1) { 76 xasprintf(&name, "%s[dead]", wname); 77 xfree(wname); 78 wname = name; 79 } 80 81 if (strcmp(wname, w->name) == 0) 82 xfree(wname); 83 else { 84 xfree(w->name); 85 w->name = wname; 86 server_status_window(w); 87 } 88 } 89 90 char * 91 default_window_name(struct window *w) 92 { 93 if (w->active->screen != &w->active->base) 94 return (xstrdup("[tmux]")); 95 if (w->active->cmd != NULL && *w->active->cmd != '\0') 96 return (parse_window_name(w->active->cmd)); 97 return (parse_window_name(w->active->shell)); 98 } 99 100 char * 101 parse_window_name(const char *in) 102 { 103 char *copy, *name, *ptr; 104 105 name = copy = xstrdup(in); 106 if (strncmp(name, "exec ", (sizeof "exec ") - 1) == 0) 107 name = name + (sizeof "exec ") - 1; 108 109 while (*name == ' ') 110 name++; 111 if ((ptr = strchr(name, ' ')) != NULL) 112 *ptr = '\0'; 113 114 if (*name != '\0') { 115 ptr = name + strlen(name) - 1; 116 while (ptr > name && !isalnum((u_char)*ptr)) 117 *ptr-- = '\0'; 118 } 119 120 if (*name == '/') 121 name = basename(name); 122 name = xstrdup(name); 123 xfree(copy); 124 return (name); 125 } 126