142 lines
3.7 KiB
C
142 lines
3.7 KiB
C
/*-
|
|
* 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 8.3 (Berkeley) 12/5/94
|
|
* $Id: cd9660_util.c,v 1.9 1997/02/22 09:38:50 peter Exp $
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/mount.h>
|
|
#include <sys/vnode.h>
|
|
|
|
#include <isofs/cd9660/iso.h>
|
|
|
|
/*
|
|
* translate and compare a filename
|
|
* Note: Version number plus ';' may be omitted.
|
|
*/
|
|
int
|
|
isofncmp(fn, fnlen, isofn, isolen)
|
|
u_char *fn;
|
|
int fnlen;
|
|
u_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(infn, infnlen, outfn, outfnlen, original, assoc)
|
|
u_char *infn;
|
|
int infnlen;
|
|
u_char *outfn;
|
|
u_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;
|
|
}
|