1 /* $NetBSD: subr.c,v 1.18 2011/06/01 21:28:33 alnsn Exp $ */
2
3 /*-
4 * Copyright (c) 1988, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 #ifndef lint
34 #if 0
35 static char sccsid[] = "@(#)subr.c 8.2 (Berkeley) 4/28/95";
36 #else
37 __RCSID("$NetBSD: subr.c,v 1.18 2011/06/01 21:28:33 alnsn Exp $");
38 #endif
39 #endif /* not lint */
40
41 #include <sys/param.h>
42 #include <sys/time.h>
43 #include <sys/uio.h>
44 #include <sys/ktrace.h>
45
46 #include <stdio.h>
47
48 #include "ktrace.h"
49
50 int
getpoints(int facs,char * s)51 getpoints(int facs, char *s)
52 {
53 int fac;
54 int add = 1;
55
56 /* Make -t-x equivalent to -t+-x since that is rather more useful */
57 if (*s == '-' && (facs & ALL_POINTS) == 0)
58 facs |= DEF_POINTS;
59
60 for (;;) {
61 switch (*s++) {
62 case 0:
63 return facs;
64 case 'A':
65 fac = ALL_POINTS;
66 break;
67 case 'a':
68 fac = KTRFAC_EXEC_ARG;
69 break;
70 case 'c':
71 fac = KTRFAC_SYSCALL | KTRFAC_SYSRET;
72 break;
73 case 'e':
74 fac = KTRFAC_EMUL;
75 break;
76 case 'f':
77 fac = KTRFAC_EXEC_FD;
78 break;
79 case 'i':
80 fac = KTRFAC_GENIO;
81 break;
82 case 'n':
83 fac = KTRFAC_NAMEI;
84 break;
85 case 's':
86 fac = KTRFAC_PSIG;
87 break;
88 case 'u':
89 fac = KTRFAC_USER;
90 break;
91 case 'S':
92 fac = KTRFAC_MIB;
93 break;
94 case 'v':
95 fac = KTRFAC_EXEC_ENV;
96 break;
97 case 'w':
98 fac = KTRFAC_CSW;
99 break;
100 case '+':
101 if (!add) {
102 add = 1;
103 continue;
104 }
105 fac = DEF_POINTS;
106 break;
107 case '-':
108 add = 0;
109 continue;
110 default:
111 return (-1);
112 }
113 if (add)
114 facs |= fac;
115 else
116 facs &= ~fac;
117 }
118 }
119