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Commit	Line	Data
	1	/*
	2	* Copyright (c) 1999, 2000-2001 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
	7	* Reserved. This file contains Original Code and/or Modifications of
	8	* Original Code as defined in and that are subject to the Apple Public
	9	* Source License Version 1.0 (the 'License'). You may not use this file
	10	* except in compliance with the License. Please obtain a copy of the
	11	* License at http://www.apple.com/publicsource and read it before using
	12	* this file.
	13	*
	14	* The Original Code and all software distributed under the License are
	15	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	16	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	17	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	19	* License for the specific language governing rights and limitations
	20	* under the License."
	21	*
	22	* @APPLE_LICENSE_HEADER_END@
	23	*/
	24	/*-
	25	* Copyright (c) 1988, 1993
	26	* The Regents of the University of California. All rights reserved.
	27	*
	28	* Redistribution and use in source and binary forms, with or without
	29	* modification, are permitted provided that the following conditions
	30	* are met:
	31	* 1. Redistributions of source code must retain the above copyright
	32	* notice, this list of conditions and the following disclaimer.
	33	* 2. Redistributions in binary form must reproduce the above copyright
	34	* notice, this list of conditions and the following disclaimer in the
	35	* documentation and/or other materials provided with the distribution.
	36	* 3. All advertising materials mentioning features or use of this software
	37	* must display the following acknowledgement:
	38	* This product includes software developed by the University of
	39	* California, Berkeley and its contributors.
	40	* 4. Neither the name of the University nor the names of its contributors
	41	* may be used to endorse or promote products derived from this software
	42	* without specific prior written permission.
	43	*
	44	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	45	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	46	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	47	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	48	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	49	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	50	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	51	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	52	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	53	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	54	* SUCH DAMAGE.
	55	*/
	56
	57	#ifndef lint
	58	#if 0
	59	static char sccsid[] = "@(#)subr.c 8.1 (Berkeley) 6/6/93";
	60	#endif
	61	static const char rcsid[] =
	62	"$FreeBSD: src/usr.bin/ktrace/subr.c,v 1.6 1999/08/28 01:02:34 peter Exp $";
	63	#endif /* not lint */
	64
	65	#include <sys/param.h>
	66	#include <sys/file.h>
	67	#include <sys/user.h>
	68	#include <sys/proc.h>
	69	#include <sys/time.h>
	70	#include <sys/ktrace.h>
	71
	72	#include <stdio.h>
	73
	74	#include "ktrace.h"
	75
	76	getpoints(s)
	77	char *s;
	78	{
	79	int facs = 0;
	80
	81	while (*s) {
	82	switch(*s) {
	83	case 'c':
	84	facs \|= KTRFAC_SYSCALL \| KTRFAC_SYSRET;
	85	break;
	86	case 'n':
	87	facs \|= KTRFAC_NAMEI;
	88	break;
	89	case 'i':
	90	facs \|= KTRFAC_GENIO;
	91	break;
	92	case 's':
	93	facs \|= KTRFAC_PSIG;
	94	break;
	95	case 'u':
	96	facs \|= KTRFAC_USER;
	97	break;
	98	case 'w':
	99	facs \|= KTRFAC_CSW;
	100	break;
	101	case '+':
	102	facs \|= DEF_POINTS;
	103	break;
	104	default:
	105	return (-1);
	106	}
	107	s++;
	108	}
	109	return (facs);
	110	}
	111
	112	timevaladd(t1, t2)
	113	struct timeval t1, t2;
	114	{
	115	t1->tv_sec += t2->tv_sec;
	116	t1->tv_usec += t2->tv_usec;
	117	timevalfix(t1);
	118	}
	119
	120	timevalsub(t1, t2)
	121	struct timeval t1, t2;
	122	{
	123	t1->tv_sec -= t2->tv_sec;
	124	t1->tv_usec -= t2->tv_usec;
	125	timevalfix(t1);
	126	}
	127
	128	timevalfix(t1)
	129	struct timeval *t1;
	130	{
	131	if (t1->tv_usec < 0) {
	132	t1->tv_sec--;
	133	t1->tv_usec += 1000000;
	134	}
	135	if (t1->tv_usec >= 1000000) {
	136	t1->tv_sec++;
	137	t1->tv_usec -= 1000000;
	138	}
	139	}