[apple/system_cmds.git] / ktrace.tproj / subr.c

/*
 * Copyright (c) 1999, 2000-2001 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * "Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
 * Reserved.  This file contains Original Code and/or Modifications of
 * Original Code as defined in and that are subject to the Apple Public
 * Source License Version 1.0 (the 'License').  You may not use this file
 * except in compliance with the License.  Please obtain a copy of the
 * License at http://www.apple.com/publicsource and read it before using
 * this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License."
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*-
 * Copyright (c) 1988, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef lint
#if 0
static char sccsid[] = "@(#)subr.c	8.1 (Berkeley) 6/6/93";
#endif
static const char rcsid[] =
  "$FreeBSD: src/usr.bin/ktrace/subr.c,v 1.6 1999/08/28 01:02:34 peter Exp $";
#endif /* not lint */

#include <sys/param.h>
#include <sys/file.h>
#include <sys/user.h>
#include <sys/proc.h>
#include <sys/time.h>
#include <sys/ktrace.h>

#include <stdio.h>

#include "ktrace.h"

int
getpoints(char *s)
{
	int facs = 0;

	while (*s) {
		switch(*s) {
		case 'c':
			facs |= KTRFAC_SYSCALL | KTRFAC_SYSRET;
			break;
		case 'n':
			facs |= KTRFAC_NAMEI;
			break;
		case 'i':
			facs |= KTRFAC_GENIO;
			break;
		case 's':
			facs |= KTRFAC_PSIG;
			break;
		case 'u':
			facs |= KTRFAC_USER;
			break;
		case 'w':
			facs |= KTRFAC_CSW;
			break;
		case '+':
			facs |= DEF_POINTS;
			break;
		default:
			return (-1);
		}
		s++;
	}
	return (facs);
}

void 
timevaladd(struct timeval *t1, struct timeval *t2)
{
	t1->tv_sec += t2->tv_sec;
	t1->tv_usec += t2->tv_usec;
	timevalfix(t1);
}

void
timevalsub(struct timeval *t1, struct timeval *t2)
{
	t1->tv_sec -= t2->tv_sec;
	t1->tv_usec -= t2->tv_usec;
	timevalfix(t1);
}

void
timevalfix(struct timeval *t1)
{
	if (t1->tv_usec < 0) {
		t1->tv_sec--;
		t1->tv_usec += 1000000;
	}
	if (t1->tv_usec >= 1000000) {
		t1->tv_sec++;
		t1->tv_usec -= 1000000;
	}
}
Commit	Line	Data
1815bff5	1	/*
b51d5b5f	2	* Copyright (c) 1999, 2000-2001 Apple Computer, Inc. All rights reserved.
1815bff5 A	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
2fc1e207 A	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.
1815bff5 A	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,
2fc1e207 A	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."
1815bff5 A	21	*
	22	* @APPLE_LICENSE_HEADER_END@
	23	*/
	24	/*-
	25	* Copyright (c) 1988, 1993
b51d5b5f	26	* The Regents of the University of California. All rights reserved.
1815bff5 A	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:
b51d5b5f A	38	* This product includes software developed by the University of
b51d5b5f A	39	* California, Berkeley and its contributors.
1815bff5 A	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
b51d5b5f A	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
1815bff5 A	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
2fc1e207 A	76	int
2fc1e207 A	77	getpoints(char *s)
1815bff5 A	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;
b51d5b5f A	95	case 'u':
	96	facs \|= KTRFAC_USER;
	97	break;
1815bff5 A	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
2fc1e207 A	112	void
2fc1e207 A	113	timevaladd(struct timeval t1, struct timeval t2)
1815bff5 A	114	{
	115	t1->tv_sec += t2->tv_sec;
	116	t1->tv_usec += t2->tv_usec;
	117	timevalfix(t1);
	118	}
	119
2fc1e207 A	120	void
2fc1e207 A	121	timevalsub(struct timeval t1, struct timeval t2)
1815bff5 A	122	{
	123	t1->tv_sec -= t2->tv_sec;
	124	t1->tv_usec -= t2->tv_usec;
	125	timevalfix(t1);
	126	}
	127
2fc1e207 A	128	void
2fc1e207 A	129	timevalfix(struct timeval *t1)
1815bff5 A	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	}