1 /* $NetBSD: subr.c,v 1.10 2003/07/17 09:05:12 dsl 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)subr.c 8.2 (Berkeley) 4/28/95"; 40 #else 41 __RCSID("$NetBSD: subr.c,v 1.10 2003/07/17 09:05:12 dsl Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <sys/param.h> 46 #include <sys/file.h> 47 #include <sys/user.h> 48 #include <sys/proc.h> 49 #include <sys/time.h> 50 #include <sys/ktrace.h> 51 52 #include <stdio.h> 53 54 #include "ktrace.h" 55 56 int 57 getpoints(int facs, char *s) 58 { 59 int fac; 60 int add = 1; 61 62 /* Make -t-x equivalent to -t+-x since that is rather more useful */ 63 if (*s == '-' && (facs & ALL_POINTS) == 0) 64 facs |= DEF_POINTS; 65 66 for (;;) { 67 switch (*s++) { 68 case 0: 69 return facs; 70 case 'A': 71 fac = ALL_POINTS; 72 break; 73 case 'a': 74 fac = KTRFAC_EXEC_ARG; 75 break; 76 case 'c': 77 fac = KTRFAC_SYSCALL | KTRFAC_SYSRET; 78 break; 79 case 'e': 80 fac = KTRFAC_EMUL; 81 break; 82 case 'i': 83 fac = KTRFAC_GENIO; 84 break; 85 case 'n': 86 fac = KTRFAC_NAMEI; 87 break; 88 case 'm': 89 fac = KTRFAC_MMSG; 90 break; 91 case 's': 92 fac = KTRFAC_PSIG; 93 break; 94 case 'u': 95 fac = KTRFAC_USER; 96 break; 97 case 'v': 98 fac = KTRFAC_EXEC_ENV; 99 break; 100 case 'w': 101 fac = KTRFAC_CSW; 102 break; 103 case '+': 104 if (!add) { 105 add = 1; 106 continue; 107 } 108 fac = DEF_POINTS; 109 break; 110 case '-': 111 add = 0; 112 continue; 113 default: 114 return (-1); 115 } 116 if (add) 117 facs |= fac; 118 else 119 facs &= ~fac; 120 } 121 } 122