[apple/libc.git] / gen / FreeBSD / setprogname.c

#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 = p + 1);
	else
		__progname = (char *)(p = progname);

	strlcpy(&buf[0], (char *)(p), sizeof(buf));

	mib[0] = CTL_KERN;
	mib[1] = KERN_PROCNAME;

	/* ignore errors as this is not a hard error */
	sysctl(mib, 2, NULL, NULL, &buf[0], strlen(buf));
}
Commit	Line	Data
9385eb3d A	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>
ad3c9f2a A	6	#include <sys/param.h>
	7	#include <sys/sysctl.h>
	8	#include <crt_externs.h>
	9	#define __progname (*_NSGetProgname())
9385eb3d A	10
	11	#include "libc_private.h"
	12
	13	void
	14	setprogname(const char *progname)
	15	{
	16	const char *p;
ad3c9f2a A	17	char buf[2*MAXCOMLEN+1];
	18	int mib[2];
	19
9385eb3d A	20	p = strrchr(progname, '/');
9385eb3d A	21	if (p != NULL)
ad3c9f2a	22	__progname = (char *)(p = p + 1);
9385eb3d	23	else
ad3c9f2a A	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));
9385eb3d	33	}