diff options
Diffstat (limited to 'qemu/roms/openbios/fs/hfs/file.c')
| -rw-r--r-- | qemu/roms/openbios/fs/hfs/file.c | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/qemu/roms/openbios/fs/hfs/file.c b/qemu/roms/openbios/fs/hfs/file.c deleted file mode 100644 index a6ddb893a..000000000 --- a/qemu/roms/openbios/fs/hfs/file.c +++ /dev/null @@ -1,191 +0,0 @@ -/* - * libhfs - library for reading and writing Macintosh HFS volumes - * Copyright (C) 1996-1998 Robert Leslie - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, - * MA 02110-1301, USA. - * - * $Id: file.c,v 1.9 1998/11/02 22:08:59 rob Exp $ - */ - -#include "config.h" -#include "libhfs.h" -#include "file.h" -#include "btree.h" -#include "record.h" -#include "volume.h" - -/* - * NAME: file->init() - * DESCRIPTION: initialize file structure - */ -void f_init(hfsfile *file, hfsvol *vol, long cnid, const char *name) -{ - int i; - - file->vol = vol; - file->parid = 0; - - strcpy(file->name, name); - - file->cat.cdrType = cdrFilRec; - file->cat.cdrResrv2 = 0; - - file->cat.u.fil.filFlags = 0; - file->cat.u.fil.filTyp = 0; - - file->cat.u.fil.filUsrWds.fdType = 0; - file->cat.u.fil.filUsrWds.fdCreator = 0; - file->cat.u.fil.filUsrWds.fdFlags = 0; - file->cat.u.fil.filUsrWds.fdLocation.v = 0; - file->cat.u.fil.filUsrWds.fdLocation.h = 0; - file->cat.u.fil.filUsrWds.fdFldr = 0; - - file->cat.u.fil.filFlNum = cnid; - file->cat.u.fil.filStBlk = 0; - file->cat.u.fil.filLgLen = 0; - file->cat.u.fil.filPyLen = 0; - file->cat.u.fil.filRStBlk = 0; - file->cat.u.fil.filRLgLen = 0; - file->cat.u.fil.filRPyLen = 0; - file->cat.u.fil.filCrDat = 0; - file->cat.u.fil.filMdDat = 0; - file->cat.u.fil.filBkDat = 0; - - file->cat.u.fil.filFndrInfo.fdIconID = 0; - for (i = 0; i < 4; ++i) - file->cat.u.fil.filFndrInfo.fdUnused[i] = 0; - file->cat.u.fil.filFndrInfo.fdComment = 0; - file->cat.u.fil.filFndrInfo.fdPutAway = 0; - - file->cat.u.fil.filClpSize = 0; - - for (i = 0; i < 3; ++i) - { - file->cat.u.fil.filExtRec[i].xdrStABN = 0; - file->cat.u.fil.filExtRec[i].xdrNumABlks = 0; - - file->cat.u.fil.filRExtRec[i].xdrStABN = 0; - file->cat.u.fil.filRExtRec[i].xdrNumABlks = 0; - } - - file->cat.u.fil.filResrv = 0; - - f_selectfork(file, fkData); - - file->flags = 0; - - file->prev = NULL; - file->next = NULL; -} - -/* - * NAME: file->selectfork() - * DESCRIPTION: choose a fork for file operations - */ -void f_selectfork(hfsfile *file, int fork) -{ - file->fork = fork; - - memcpy(&file->ext, fork == fkData ? - &file->cat.u.fil.filExtRec : &file->cat.u.fil.filRExtRec, - sizeof(ExtDataRec)); - - file->fabn = 0; - file->pos = 0; -} - -/* - * NAME: file->getptrs() - * DESCRIPTION: make pointers to the current fork's lengths and extents - */ -void f_getptrs(hfsfile *file, ExtDataRec **extrec, - unsigned long **lglen, unsigned long **pylen) -{ - if (file->fork == fkData) - { - if (extrec) - *extrec = &file->cat.u.fil.filExtRec; - if (lglen) - *lglen = &file->cat.u.fil.filLgLen; - if (pylen) - *pylen = &file->cat.u.fil.filPyLen; - } - else - { - if (extrec) - *extrec = &file->cat.u.fil.filRExtRec; - if (lglen) - *lglen = &file->cat.u.fil.filRLgLen; - if (pylen) - *pylen = &file->cat.u.fil.filRPyLen; - } -} - -/* - * NAME: file->doblock() - * DESCRIPTION: read or write a numbered block from a file - */ -int f_doblock(hfsfile *file, unsigned long num, block *bp, - int (*func)(hfsvol *, unsigned int, unsigned int, block *)) -{ - unsigned int abnum; - unsigned int blnum; - unsigned int fabn; - int i; - - abnum = num / file->vol->lpa; - blnum = num % file->vol->lpa; - - /* locate the appropriate extent record */ - - fabn = file->fabn; - - if (abnum < fabn) - { - ExtDataRec *extrec; - - f_getptrs(file, &extrec, NULL, NULL); - - fabn = file->fabn = 0; - memcpy(&file->ext, extrec, sizeof(ExtDataRec)); - } - else - abnum -= fabn; - - while (1) - { - unsigned int n; - - for (i = 0; i < 3; ++i) - { - n = file->ext[i].xdrNumABlks; - - if (abnum < n) - return func(file->vol, file->ext[i].xdrStABN + abnum, blnum, bp); - - fabn += n; - abnum -= n; - } - - if (v_extsearch(file, fabn, &file->ext, NULL) <= 0) - goto fail; - - file->fabn = fabn; - } - -fail: - return -1; -} |