setprogname-fbsd.c [plain text]
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/lib/libc/gen/setprogname.c,v 1.8 2002/03/29 22:43:41 markm Exp $");
#include <stdlib.h>
#include <string.h>
#include <sys/param.h>
#include <sys/sysctl.h>
#include <crt_externs.h>
#define __progname (*_NSGetProgname())
#include "libc_private.h"
void
setprogname(const char *progname)
{
const char *p;
char buf[2*MAXCOMLEN+1];
int mib[2];
p = strrchr(progname, '/');
if (p != NULL)
__progname = (char *)(p + 1);
else
__progname = (char *)(p = progname);
strlcpy(&buf[0], (char *)(p), sizeof(buf));
mib[0] = CTL_KERN;
mib[1] = KERN_PROCNAME;
sysctl(mib, 2, NULL, NULL, &buf[0], strlen(buf));
}