NetBSD/usr.bin/ktrace/subr.c

125 lines
3.0 KiB
C

/* $NetBSD: subr.c,v 1.15 2006/09/23 22:01:04 manu Exp $ */
/*-
* Copyright (c) 1988, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)subr.c 8.2 (Berkeley) 4/28/95";
#else
__RCSID("$NetBSD: subr.c,v 1.15 2006/09/23 22:01:04 manu Exp $");
#endif
#endif /* not lint */
#include <sys/param.h>
#include <sys/time.h>
#include <sys/uio.h>
#include <sys/ktrace.h>
#include <stdio.h>
#include "ktrace.h"
int
getpoints(int facs, char *s)
{
int fac;
int add = 1;
/* Make -t-x equivalent to -t+-x since that is rather more useful */
if (*s == '-' && (facs & ALL_POINTS) == 0)
facs |= DEF_POINTS;
for (;;) {
switch (*s++) {
case 0:
return facs;
case 'A':
fac = ALL_POINTS;
break;
case 'a':
fac = KTRFAC_EXEC_ARG;
break;
case 'c':
fac = KTRFAC_SYSCALL | KTRFAC_SYSRET;
break;
case 'e':
fac = KTRFAC_EMUL;
break;
case 'i':
fac = KTRFAC_GENIO;
break;
case 'n':
fac = KTRFAC_NAMEI;
break;
case 'm':
fac = KTRFAC_MMSG;
break;
case 'l':
fac = KTRFAC_MOOL;
break;
case 's':
fac = KTRFAC_PSIG;
break;
case 'u':
fac = KTRFAC_USER;
break;
case 'U':
fac = KTRFAC_SAUPCALL;
break;
case 'S':
fac = KTRFAC_MIB;
break;
case 'v':
fac = KTRFAC_EXEC_ENV;
break;
case 'w':
fac = KTRFAC_CSW;
break;
case '+':
if (!add) {
add = 1;
continue;
}
fac = DEF_POINTS;
break;
case '-':
add = 0;
continue;
default:
return (-1);
}
if (add)
facs |= fac;
else
facs &= ~fac;
}
}