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1815bff5 1/*
b51d5b5f 2 * Copyright (c) 1999, 2000-2001 Apple Computer, Inc. All rights reserved.
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3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
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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
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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,
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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."
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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.
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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
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38 * This product includes software developed by the University of
39 * California, Berkeley and its contributors.
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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
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57#ifndef lint
58#if 0
59static char sccsid[] = "@(#)subr.c 8.1 (Berkeley) 6/6/93";
60#endif
61static 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
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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
76getpoints(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;
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95 case 'u':
96 facs |= KTRFAC_USER;
97 break;
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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
112timevaladd(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
120timevalsub(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
128timevalfix(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}