1#include <sys/cdefs.h>
2__FBSDID("$FreeBSD: src/lib/libc/gen/setprogname.c,v 1.8 2002/03/29 22:43:41 markm Exp $");
3
4#include <stdlib.h>
5#include <string.h>
6#include <sys/param.h>
7#include <sys/sysctl.h>
8#include <crt_externs.h>
9#define	__progname	(*_NSGetProgname())
10
11#include "libc_private.h"
12
13void
14setprogname(const char *progname)
15{
16	const char *p;
17	char buf[2*MAXCOMLEN+1];
18	int mib[2];
19
20	p = strrchr(progname, '/');
21	if (p != NULL)
22		__progname = (char *)(p = p + 1);
23	else
24		__progname = (char *)(p = progname);
25
26	strlcpy(&buf[0], (char *)(p), sizeof(buf));
27
28	mib[0] = CTL_KERN;
29	mib[1] = KERN_PROCNAME;
30
31	/* ignore errors as this is not a hard error */
32	sysctl(mib, 2, NULL, NULL, &buf[0], strlen(buf));
33}
34