/*-
* Copyright (c) 1994
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley
* by Pace Willisson (pace@blitz.com). The Rock Ridge Extension
* Support code is derived from software contributed to Berkeley
* by Atsushi Murai (amurai@spec.co.jp).
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*
* @(#)cd9660_util.c 8.1 (Berkeley) 1/21/94
* $Id: cd9660_util.c,v 1.4 1995/05/30 08:05:02 rgrimes Exp $
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/namei.h>
#include <sys/resourcevar.h>
#include <sys/kernel.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/buf.h>
#include <sys/proc.h>
#include <sys/conf.h>
#include <sys/mount.h>
#include <sys/vnode.h>
#include <miscfs/specfs/specdev.h> /* XXX */
#include <miscfs/fifofs/fifo.h> /* XXX */
#include <sys/malloc.h>
#include <sys/dir.h>
#include <isofs/cd9660/iso.h>
#ifdef __notanymore__
int
isonum_711 (p)
unsigned char *p;
{
return (*p);
}
int
isonum_712 (p)
signed char *p;
{
return (*p);
}
int
isonum_721 (p)
unsigned char *p;
{
/* little endian short */
#if BYTE_ORDER != LITTLE_ENDIAN
printf ("isonum_721 called on non little-endian machine!\n");
#endif
return *(short *)p;
}
int
isonum_722 (p)
unsigned char *p;
{
/* big endian short */
#if BYTE_ORDER != BIG_ENDIAN
printf ("isonum_722 called on non big-endian machine!\n");
#endif
return *(short *)p;
}
int
isonum_723 (p)
unsigned char *p;
{
#if BYTE_ORDER == BIG_ENDIAN
return isonum_722 (p + 2);
#elif BYTE_ORDER == LITTLE_ENDIAN
return isonum_721 (p);
#else
printf ("isonum_723 unsupported byte order!\n");
return 0;
#endif
}
int
isonum_731 (p)
unsigned char *p;
{
/* little endian long */
#if BYTE_ORDER != LITTLE_ENDIAN
printf ("isonum_731 called on non little-endian machine!\n");
#endif
return *(long *)p;
}
int
isonum_732 (p)
unsigned char *p;
{
/* big endian long */
#if BYTE_ORDER != BIG_ENDIAN
printf ("isonum_732 called on non big-endian machine!\n");
#endif
return *(long *)p;
}
int
isonum_733 (p)
unsigned char *p;
{
#if BYTE_ORDER == BIG_ENDIAN
return isonum_732 (p + 4);
#elif BYTE_ORDER == LITTLE_ENDIAN
return isonum_731 (p);
#else
printf ("isonum_733 unsupported byte order!\n");
return 0;
#endif
}
#endif /* __notanymore__ */
/*
* translate and compare a filename
* Note: Version number plus ';' may be omitted.
*/
int
isofncmp(unsigned char *fn,int fnlen,unsigned char *isofn,int isolen)
{
int i, j;
unsigned char c;
while (--fnlen >= 0) {
if (--isolen < 0)
return *fn;
if ((c = *isofn++) == ';') {
switch (*fn++) {
default:
return *--fn;
case 0:
return 0;
case ';':
break;
}
for (i = 0; --fnlen >= 0; i = i * 10 + *fn++ - '0') {
if (*fn < '0' || *fn > '9') {
return -1;
}
}
for (j = 0; --isolen >= 0; j = j * 10 + *isofn++ - '0');
return i - j;
}
if (c != *fn) {
if (c >= 'A' && c <= 'Z') {
if (c + ('a' - 'A') != *fn) {
if (*fn >= 'a' && *fn <= 'z')
return *fn - ('a' - 'A') - c;
else
return *fn - c;
}
} else
return *fn - c;
}
fn++;
}
if (isolen > 0) {
switch (*isofn) {
default:
return -1;
case '.':
if (isofn[1] != ';')
return -1;
case ';':
return 0;
}
}
return 0;
}
/*
* translate a filename
*/
void
isofntrans(unsigned char *infn,int infnlen,
unsigned char *outfn,unsigned short *outfnlen,
int original,int assoc)
{
int fnidx = 0;
if (assoc) {
*outfn++ = ASSOCCHAR;
fnidx++;
infnlen++;
}
for (; fnidx < infnlen; fnidx++) {
char c = *infn++;
if (!original && c >= 'A' && c <= 'Z')
*outfn++ = c + ('a' - 'A');
else if (!original && c == '.' && *infn == ';')
break;
else if (!original && c == ';')
break;
else
*outfn++ = c;
}
*outfnlen = fnidx;
}
