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1 /*
2 * Copyright (c) 2016 Nicholas Marriott <nicholas.marriott@gmail.com>
3 *
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
13 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
14 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
17 #include <sys/types.h>
19 #include <stdarg.h>
20 #include <string.h>
22 #include "got_compat.h"
24 #if defined(HAVE_PRCTL) && defined(HAVE_PR_SET_NAME)
26 #include <sys/prctl.h>
28 void
29 setproctitle(const char *fmt, ...)
30 {
31 char title[16], name[16], *cp;
32 va_list ap;
33 int used;
35 va_start(ap, fmt);
36 vsnprintf(title, sizeof title, fmt, ap);
37 va_end(ap);
39 used = snprintf(name, sizeof name, "%s: %s", getprogname(), title);
40 if (used >= (int)sizeof name) {
41 cp = strrchr(name, ' ');
42 if (cp != NULL)
43 *cp = '\0';
44 }
45 prctl(PR_SET_NAME, name);
46 }
47 #else
48 void
49 setproctitle(__unused const char *fmt, ...)
50 {
51 }
52 #endif