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subr.c revision 1.18 
      1  1.18     alnsn /*	$NetBSD: subr.c,v 1.18 2011/06/01 21:28:33 alnsn Exp $	*/
      2   1.6       jtc 
      3   1.1       cgd /*-
      4   1.1       cgd  * Copyright (c) 1988, 1993
      5   1.1       cgd  *	The Regents of the University of California.  All rights reserved.
      6   1.1       cgd  *
      7   1.1       cgd  * Redistribution and use in source and binary forms, with or without
      8   1.1       cgd  * modification, are permitted provided that the following conditions
      9   1.1       cgd  * are met:
     10   1.1       cgd  * 1. Redistributions of source code must retain the above copyright
     11   1.1       cgd  *    notice, this list of conditions and the following disclaimer.
     12   1.1       cgd  * 2. Redistributions in binary form must reproduce the above copyright
     13   1.1       cgd  *    notice, this list of conditions and the following disclaimer in the
     14   1.1       cgd  *    documentation and/or other materials provided with the distribution.
     15  1.11       agc  * 3. Neither the name of the University nor the names of its contributors
     16   1.1       cgd  *    may be used to endorse or promote products derived from this software
     17   1.1       cgd  *    without specific prior written permission.
     18   1.1       cgd  *
     19   1.1       cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20   1.1       cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21   1.1       cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22   1.1       cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23   1.1       cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24   1.1       cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25   1.1       cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26   1.1       cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27   1.1       cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28   1.1       cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29   1.1       cgd  * SUCH DAMAGE.
     30   1.1       cgd  */
     31   1.1       cgd 
     32   1.7     mikel #include <sys/cdefs.h>
     33   1.1       cgd #ifndef lint
     34   1.6       jtc #if 0
     35   1.6       jtc static char sccsid[] = "@(#)subr.c	8.2 (Berkeley) 4/28/95";
     36   1.7     mikel #else
     37  1.18     alnsn __RCSID("$NetBSD: subr.c,v 1.18 2011/06/01 21:28:33 alnsn Exp $");
     38   1.6       jtc #endif
     39   1.1       cgd #endif /* not lint */
     40   1.1       cgd 
     41   1.1       cgd #include <sys/param.h>
     42   1.1       cgd #include <sys/time.h>
     43  1.14      yamt #include <sys/uio.h>
     44   1.1       cgd #include <sys/ktrace.h>
     45   1.3     glass 
     46   1.1       cgd #include <stdio.h>
     47   1.3     glass 
     48   1.1       cgd #include "ktrace.h"
     49   1.1       cgd 
     50   1.7     mikel int
     51  1.10       dsl getpoints(int facs, char *s)
     52   1.1       cgd {
     53  1.10       dsl 	int fac;
     54  1.10       dsl 	int add = 1;
     55   1.1       cgd 
     56  1.10       dsl 	/* Make -t-x equivalent to -t+-x since that is rather more useful */
     57  1.10       dsl 	if (*s == '-' && (facs & ALL_POINTS) == 0)
     58  1.10       dsl 		facs |= DEF_POINTS;
     59  1.10       dsl 
     60  1.10       dsl 	for (;;) {
     61  1.10       dsl 		switch (*s++) {
     62  1.10       dsl 		case 0:
     63  1.10       dsl 			return facs;
     64  1.10       dsl 		case 'A':
     65  1.10       dsl 			fac = ALL_POINTS;
     66  1.10       dsl 			break;
     67  1.10       dsl 		case 'a':
     68  1.10       dsl 			fac = KTRFAC_EXEC_ARG;
     69  1.10       dsl 			break;
     70   1.1       cgd 		case 'c':
     71  1.10       dsl 			fac = KTRFAC_SYSCALL | KTRFAC_SYSRET;
     72   1.5  christos 			break;
     73   1.5  christos 		case 'e':
     74  1.10       dsl 			fac = KTRFAC_EMUL;
     75  1.10       dsl 			break;
     76  1.18     alnsn 		case 'f':
     77  1.18     alnsn 			fac = KTRFAC_EXEC_FD;
     78  1.18     alnsn 			break;
     79  1.10       dsl 		case 'i':
     80  1.10       dsl 			fac = KTRFAC_GENIO;
     81   1.1       cgd 			break;
     82   1.1       cgd 		case 'n':
     83  1.10       dsl 			fac = KTRFAC_NAMEI;
     84   1.1       cgd 			break;
     85   1.1       cgd 		case 's':
     86  1.10       dsl 			fac = KTRFAC_PSIG;
     87   1.8  jdolecek 			break;
     88   1.8  jdolecek 		case 'u':
     89  1.10       dsl 			fac = KTRFAC_USER;
     90   1.9      manu 			break;
     91  1.15      manu 		case 'S':
     92  1.15      manu 			fac = KTRFAC_MIB;
     93  1.15      manu 			break;
     94  1.10       dsl 		case 'v':
     95  1.10       dsl 			fac = KTRFAC_EXEC_ENV;
     96   1.1       cgd 			break;
     97   1.1       cgd 		case 'w':
     98  1.10       dsl 			fac = KTRFAC_CSW;
     99   1.1       cgd 			break;
    100   1.1       cgd 		case '+':
    101  1.10       dsl 			if (!add) {
    102  1.10       dsl 				add = 1;
    103  1.10       dsl 				continue;
    104  1.10       dsl 			}
    105  1.10       dsl 			fac = DEF_POINTS;
    106  1.10       dsl 			break;
    107  1.10       dsl 		case '-':
    108  1.10       dsl 			add = 0;
    109  1.10       dsl 			continue;
    110   1.1       cgd 		default:
    111   1.1       cgd 			return (-1);
    112   1.1       cgd 		}
    113  1.10       dsl 		if (add)
    114  1.10       dsl 			facs |= fac;
    115  1.10       dsl 		else
    116  1.10       dsl 			facs &= ~fac;
    117   1.1       cgd 	}
    118   1.1       cgd }
    119