Annotation of src/usr.bin/tmux/names.c, Revision 1.17
1.17 ! nicm 1: /* $OpenBSD: names.c,v 1.16 2012/07/10 11:53:01 nicm Exp $ */
1.1 nicm 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>
1.16 nicm 23: #include <stdlib.h>
1.1 nicm 24: #include <string.h>
25: #include <unistd.h>
26:
27: #include "tmux.h"
28:
1.9 nicm 29: void window_name_callback(unused int, unused short, void *);
1.1 nicm 30: char *parse_window_name(const char *);
31:
32: void
1.9 nicm 33: queue_window_name(struct window *w)
1.1 nicm 34: {
1.9 nicm 35: struct timeval tv;
1.1 nicm 36:
1.9 nicm 37: tv.tv_sec = 0;
38: tv.tv_usec = NAME_INTERVAL * 1000L;
1.1 nicm 39:
1.13 nicm 40: if (event_initialized(&w->name_timer))
41: evtimer_del(&w->name_timer);
1.9 nicm 42: evtimer_set(&w->name_timer, window_name_callback, w);
43: evtimer_add(&w->name_timer, &tv);
44: }
1.5 nicm 45:
1.10 nicm 46: /* ARGSUSED */
1.9 nicm 47: void
48: window_name_callback(unused int fd, unused short events, void *data)
49: {
50: struct window *w = data;
51: char *name, *wname;
1.17 ! nicm 52:
! 53: if (w->active == NULL)
! 54: return;
1.1 nicm 55:
1.15 nicm 56: if (!options_get_number(&w->options, "automatic-rename")) {
57: if (event_initialized(&w->name_timer))
58: event_del(&w->name_timer);
59: return;
60: }
61: queue_window_name(w);
1.9 nicm 62:
63: if (w->active->screen != &w->active->base)
64: name = NULL;
65: else
66: name = get_proc_name(w->active->fd, w->active->tty);
67: if (name == NULL)
68: wname = default_window_name(w);
69: else {
1.11 nicm 70: /*
1.9 nicm 71: * If tmux is using the default command, it will be a login
72: * shell and argv[0] may have a - prefix. Remove this if it is
73: * present. Ick.
74: */
75: if (w->active->cmd != NULL && *w->active->cmd == '\0' &&
76: name != NULL && name[0] == '-' && name[1] != '\0')
77: wname = parse_window_name(name + 1);
1.1 nicm 78: else
1.4 nicm 79: wname = parse_window_name(name);
1.16 nicm 80: free(name);
1.9 nicm 81: }
1.11 nicm 82:
1.9 nicm 83: if (w->active->fd == -1) {
84: xasprintf(&name, "%s[dead]", wname);
1.16 nicm 85: free(wname);
1.9 nicm 86: wname = name;
87: }
1.11 nicm 88:
1.12 nicm 89: if (strcmp(wname, w->name)) {
90: window_set_name(w, wname);
1.9 nicm 91: server_status_window(w);
1.1 nicm 92: }
1.16 nicm 93: free(wname);
1.1 nicm 94: }
95:
96: char *
97: default_window_name(struct window *w)
98: {
99: if (w->active->screen != &w->active->base)
100: return (xstrdup("[tmux]"));
1.4 nicm 101: if (w->active->cmd != NULL && *w->active->cmd != '\0')
102: return (parse_window_name(w->active->cmd));
1.6 nicm 103: return (parse_window_name(w->active->shell));
1.1 nicm 104: }
105:
106: char *
107: parse_window_name(const char *in)
108: {
109: char *copy, *name, *ptr;
110:
111: name = copy = xstrdup(in);
112: if (strncmp(name, "exec ", (sizeof "exec ") - 1) == 0)
113: name = name + (sizeof "exec ") - 1;
114:
115: while (*name == ' ')
116: name++;
117: if ((ptr = strchr(name, ' ')) != NULL)
118: *ptr = '\0';
119:
120: if (*name != '\0') {
121: ptr = name + strlen(name) - 1;
1.2 ray 122: while (ptr > name && !isalnum((u_char)*ptr))
1.1 nicm 123: *ptr-- = '\0';
124: }
125:
126: if (*name == '/')
127: name = basename(name);
128: name = xstrdup(name);
1.16 nicm 129: free(copy);
1.1 nicm 130: return (name);
131: }