adr.c revision d75d0dc9a76c4d28c5b421415de169350a8e844d
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Adr memory based encoding
*/
#include <sys/types.h>
#include <bsm/audit.h>
#include <bsm/libbsm.h>
#include <bsm/audit_record.h>
void
#ifdef __STDC__
adr_start(adr_t *adr, char *p)
#else
adr_start(adr, p)
adr_t *adr;
char *p;
#endif
{
adr->adr_stream = p;
adr->adr_now = p;
}
int
#ifdef __STDC__
adr_count(adr_t *adr)
#else
adr_count(adr)
adr_t *adr;
#endif
{
return (((intptr_t)adr->adr_now) - ((intptr_t)adr->adr_stream));
}
/*
* adr_char - pull out characters
*/
void
#ifdef __STDC__
adr_char(adr_t *adr, char *cp, int count)
#else
adr_char(adr, cp, count)
adr_t *adr;
char *cp;
int count;
#endif
{
while (count-- > 0)
*adr->adr_now++ = *cp++;
}
/*
* adr_short - pull out shorts
*/
void
#ifdef __STDC__
adr_short(adr_t *adr, short *sp, int count)
#else
adr_short(adr, sp, count)
adr_t *adr;
short *sp;
int count;
#endif
{
for (; count-- > 0; sp++) {
*adr->adr_now++ = (char)((*sp >> 8) & 0x00ff);
*adr->adr_now++ = (char)(*sp & 0x00ff);
}
}
/*
* adr_int32 - pull out uint32
*/
#pragma weak adr_long = adr_int32
#ifdef __STDC__
void adr_long(adr_t *adr, int32_t *lp, int count);
void
adr_int32(adr_t *adr, int32_t *lp, int count)
#else
void adr_long();
void
adr_int32(adr, lp, count)
adr_t *adr;
int32_t *lp;
int count;
#endif
{
int i; /* index for counting */
uint32_t l; /* value for shifting */
for (; count-- > 0; lp++) {
for (i = 0, l = *(uint32_t *)lp; i < 4; i++) {
*adr->adr_now++ =
(char)((uint32_t)(l & 0xff000000) >> 24);
l <<= 8;
}
}
}
/*
* adr_int64 - pull out uint64_t
*/
void
#ifdef __STDC__
adr_int64(adr_t *adr, int64_t *lp, int count)
#else
adr_int64(adr, lp, count)
adr_t *adr;
int64_t *lp;
int count;
#endif
{
int i; /* index for counting */
uint64_t l; /* value for shifting */
for (; count-- > 0; lp++) {
for (i = 0, l = *(uint64_t *)lp; i < 8; i++) {
*adr->adr_now++ = (char)
((uint64_t)(l & 0xff00000000000000ULL) >> 56);
l <<= 8;
}
}
}