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214bafb Try to change the window title to match the command running it in. Th…
nicm authored
1 /* $Id$ */
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 #ifdef __linux__
20
21 #include <sys/types.h>
22 #include <sys/stat.h>
23
24 #include <stdio.h>
25 #include <unistd.h>
26
27 #include "tmux.h"
28
29 char *
1fb17d6 Be more clever about picking window name.
nicm authored
30 get_argv0(int fd, unused char *tty)
214bafb Try to change the window title to match the command running it in. Th…
nicm authored
31 {
32 FILE *f;
33 char *path, *buf;
34 size_t len;
35 int ch;
1fb17d6 Be more clever about picking window name.
nicm authored
36 pid_t pgrp;
37
38 if ((pgrp = tcgetpgrp(fd)) == -1)
39 return (NULL);
214bafb Try to change the window title to match the command running it in. Th…
nicm authored
40
41 xasprintf(&path, "/proc/%lld/cmdline", (long long) pgrp);
1fb17d6 Be more clever about picking window name.
nicm authored
42 if ((f = fopen(path, "r")) == NULL) {
43 xfree(path);
214bafb Try to change the window title to match the command running it in. Th…
nicm authored
44 return (NULL);
1fb17d6 Be more clever about picking window name.
nicm authored
45 }
46 xfree(path);
214bafb Try to change the window title to match the command running it in. Th…
nicm authored
47
48 len = 0;
49 buf = NULL;
50 while ((ch = fgetc(f)) != EOF) {
51 if (ch == '\0')
52 break;
53 buf = xrealloc(buf, 1, len + 2);
54 buf[len++] = ch;
55 }
56 if (buf != NULL)
57 buf[len] = '\0';
58
a467bff Don't leak fd.
nicm authored
59 fclose(f);
214bafb Try to change the window title to match the command running it in. Th…
nicm authored
60 return (buf);
61 }
62
63 #endif
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