1 bbcba3ed 2022-01-10 op /*
 2 bbcba3ed 2022-01-10 op  * Copyright (c) 2016 Nicholas Marriott <nicholas.marriott@gmail.com>
 3 bbcba3ed 2022-01-10 op  *
 4 bbcba3ed 2022-01-10 op  * Permission to use, copy, modify, and distribute this software for any
 5 bbcba3ed 2022-01-10 op  * purpose with or without fee is hereby granted, provided that the above
 6 bbcba3ed 2022-01-10 op  * copyright notice and this permission notice appear in all copies.
 7 bbcba3ed 2022-01-10 op  *
 8 bbcba3ed 2022-01-10 op  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 9 bbcba3ed 2022-01-10 op  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 bbcba3ed 2022-01-10 op  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 bbcba3ed 2022-01-10 op  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 bbcba3ed 2022-01-10 op  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
13 bbcba3ed 2022-01-10 op  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
14 bbcba3ed 2022-01-10 op  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 bbcba3ed 2022-01-10 op  */
16 bbcba3ed 2022-01-10 op 
17 bbcba3ed 2022-01-10 op #include "compat.h"
18 bbcba3ed 2022-01-10 op 
19 bbcba3ed 2022-01-10 op #include <sys/types.h>
20 bbcba3ed 2022-01-10 op 
21 bbcba3ed 2022-01-10 op #include <stdarg.h>
22 bbcba3ed 2022-01-10 op #include <stdio.h>
23 bbcba3ed 2022-01-10 op #include <string.h>
24 bbcba3ed 2022-01-10 op 
25 bbcba3ed 2022-01-10 op #if HAVE_PR_SET_NAME
26 bbcba3ed 2022-01-10 op 
27 bbcba3ed 2022-01-10 op #include <sys/prctl.h>
28 bbcba3ed 2022-01-10 op 
29 bbcba3ed 2022-01-10 op void
30 bbcba3ed 2022-01-10 op setproctitle(const char *fmt, ...)
31 bbcba3ed 2022-01-10 op {
32 bbcba3ed 2022-01-10 op 	char	title[16], name[16], *cp;
33 bbcba3ed 2022-01-10 op 	va_list	ap;
34 bbcba3ed 2022-01-10 op 	int	used;
35 bbcba3ed 2022-01-10 op 
36 bbcba3ed 2022-01-10 op 	va_start(ap, fmt);
37 bbcba3ed 2022-01-10 op 	vsnprintf(title, sizeof title, fmt, ap);
38 bbcba3ed 2022-01-10 op 	va_end(ap);
39 bbcba3ed 2022-01-10 op 
40 bbcba3ed 2022-01-10 op 	used = snprintf(name, sizeof name, "%s: %s", getprogname(), title);
41 bbcba3ed 2022-01-10 op 	if (used >= (int)sizeof name) {
42 bbcba3ed 2022-01-10 op 		cp = strrchr(name, ' ');
43 bbcba3ed 2022-01-10 op 		if (cp != NULL)
44 bbcba3ed 2022-01-10 op 			*cp = '\0';
45 bbcba3ed 2022-01-10 op 	}
46 bbcba3ed 2022-01-10 op 	prctl(PR_SET_NAME, name);
47 bbcba3ed 2022-01-10 op }
48 bbcba3ed 2022-01-10 op #else
49 bbcba3ed 2022-01-10 op void
50 bbcba3ed 2022-01-10 op setproctitle(const char *fmt, ...)
51 bbcba3ed 2022-01-10 op {
52 bbcba3ed 2022-01-10 op 	(void)fmt;
53 bbcba3ed 2022-01-10 op }
54 bbcba3ed 2022-01-10 op #endif