Do some fairly major include file cleanups to further separate kernelland
[dragonfly.git] / usr.bin / ktrace / subr.c
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1/*-
2 * Copyright (c) 1988, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
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32 *
33 * @(#)subr.c 8.1 (Berkeley) 6/6/93
34 * $FreeBSD: src/usr.bin/ktrace/subr.c,v 1.6 1999/08/28 01:02:34 peter Exp $
05220613 35 * $DragonFly: src/usr.bin/ktrace/subr.c,v 1.5 2003/11/21 22:46:14 dillon Exp $
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36 */
37
cc970022
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38#define _KERNEL_STRUCTURES
39
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40#include <sys/param.h>
41#include <sys/file.h>
42#include <sys/user.h>
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43#include <sys/time.h>
44#include <sys/ktrace.h>
45
46#include <stdio.h>
47
48#include "ktrace.h"
49
1d1731fa 50getpoints(char *s)
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51{
52 int facs = 0;
53
54 while (*s) {
55 switch(*s) {
56 case 'c':
57 facs |= KTRFAC_SYSCALL | KTRFAC_SYSRET;
58 break;
59 case 'n':
60 facs |= KTRFAC_NAMEI;
61 break;
62 case 'i':
63 facs |= KTRFAC_GENIO;
64 break;
65 case 's':
66 facs |= KTRFAC_PSIG;
67 break;
68 case 'u':
69 facs |= KTRFAC_USER;
70 break;
71 case 'w':
72 facs |= KTRFAC_CSW;
73 break;
74 case '+':
75 facs |= DEF_POINTS;
76 break;
77 default:
78 return (-1);
79 }
80 s++;
81 }
82 return (facs);
83}
84
1d1731fa 85timevaladd(struct timeval *t1, struct timeval *t2)
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86{
87 t1->tv_sec += t2->tv_sec;
88 t1->tv_usec += t2->tv_usec;
89 timevalfix(t1);
90}
91
1d1731fa 92timevalsub(struct timeval *t1, struct timeval *t2)
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93{
94 t1->tv_sec -= t2->tv_sec;
95 t1->tv_usec -= t2->tv_usec;
96 timevalfix(t1);
97}
98
1d1731fa 99timevalfix(struct timeval *t1)
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100{
101 if (t1->tv_usec < 0) {
102 t1->tv_sec--;
103 t1->tv_usec += 1000000;
104 }
105 if (t1->tv_usec >= 1000000) {
106 t1->tv_sec++;
107 t1->tv_usec -= 1000000;
108 }
109}