Annotation of src/usr.bin/tmux/names.c, Revision 1.16
1.16 ! nicm 1: /* $OpenBSD: names.c,v 1.15 2012/04/11 07:45:30 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;
1.1 nicm 52:
1.15 nicm 53: if (!options_get_number(&w->options, "automatic-rename")) {
54: if (event_initialized(&w->name_timer))
55: event_del(&w->name_timer);
56: return;
57: }
58: queue_window_name(w);
1.9 nicm 59:
60: if (w->active->screen != &w->active->base)
61: name = NULL;
62: else
63: name = get_proc_name(w->active->fd, w->active->tty);
64: if (name == NULL)
65: wname = default_window_name(w);
66: else {
1.11 nicm 67: /*
1.9 nicm 68: * If tmux is using the default command, it will be a login
69: * shell and argv[0] may have a - prefix. Remove this if it is
70: * present. Ick.
71: */
72: if (w->active->cmd != NULL && *w->active->cmd == '\0' &&
73: name != NULL && name[0] == '-' && name[1] != '\0')
74: wname = parse_window_name(name + 1);
1.1 nicm 75: else
1.4 nicm 76: wname = parse_window_name(name);
1.16 ! nicm 77: free(name);
1.9 nicm 78: }
1.11 nicm 79:
1.9 nicm 80: if (w->active->fd == -1) {
81: xasprintf(&name, "%s[dead]", wname);
1.16 ! nicm 82: free(wname);
1.9 nicm 83: wname = name;
84: }
1.11 nicm 85:
1.12 nicm 86: if (strcmp(wname, w->name)) {
87: window_set_name(w, wname);
1.9 nicm 88: server_status_window(w);
1.1 nicm 89: }
1.16 ! nicm 90: free(wname);
1.1 nicm 91: }
92:
93: char *
94: default_window_name(struct window *w)
95: {
96: if (w->active->screen != &w->active->base)
97: return (xstrdup("[tmux]"));
1.4 nicm 98: if (w->active->cmd != NULL && *w->active->cmd != '\0')
99: return (parse_window_name(w->active->cmd));
1.6 nicm 100: return (parse_window_name(w->active->shell));
1.1 nicm 101: }
102:
103: char *
104: parse_window_name(const char *in)
105: {
106: char *copy, *name, *ptr;
107:
108: name = copy = xstrdup(in);
109: if (strncmp(name, "exec ", (sizeof "exec ") - 1) == 0)
110: name = name + (sizeof "exec ") - 1;
111:
112: while (*name == ' ')
113: name++;
114: if ((ptr = strchr(name, ' ')) != NULL)
115: *ptr = '\0';
116:
117: if (*name != '\0') {
118: ptr = name + strlen(name) - 1;
1.2 ray 119: while (ptr > name && !isalnum((u_char)*ptr))
1.1 nicm 120: *ptr-- = '\0';
121: }
122:
123: if (*name == '/')
124: name = basename(name);
125: name = xstrdup(name);
1.16 ! nicm 126: free(copy);
1.1 nicm 127: return (name);
128: }