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/*
* extfs . cpp - MacOS file system for access native file system access
*
* Basilisk II ( C ) 1997 - 1999 Christian Bauer
*
* 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 . , 59 Temple Place , Suite 330 , Boston , MA 02111 - 1307 USA
*/
/*
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* SEE ALSO
* Guide to the File System Manager ( from FSM 1.2 SDK )
*
* TODO
* LockRng
* UnlockRng
* ( CatSearch )
* ( MakeFSSpec )
* ( GetVolMountInfoSize )
* ( GetVolMountInfo )
* ( GetForeignPrivs )
* ( SetForeignPrivs )
*/
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# include "sysdeps.h"
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# include <sys/types.h>
# include <sys/stat.h>
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# include <string.h>
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# include <stdio.h>
# include <stdlib.h>
# include <unistd.h>
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# include <fcntl.h>
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# include <dirent.h>
# include <errno.h>
# include "cpu_emulation.h"
# include "macos_util.h"
# include "emul_op.h"
# include "main.h"
# include "disk.h"
# include "prefs.h"
# include "user_strings.h"
# include "extfs.h"
# include "extfs_defs.h"
# define DEBUG 0
# include "debug.h"
// File system global data and 68k routines
enum {
fsCommProcStub = 0 ,
fsHFSProcStub = 6 ,
fsDrvStatus = 12 , // Drive Status record
fsFSD = 42 , // File system descriptor
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fsPB = 238 , // IOParam (for mounting and renaming)
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fsVMI = 288 , // VoumeMountInfoHeader (for mounting)
fsParseRec = 296 , // ParsePathRec struct
fsReturn = 306 , // Area for return data of 68k routines
fsAllocateVCB = 562 , // UTAllocateVCB(uint16 *sysVCBLength{a0}, uint32 *vcb{a1})
fsAddNewVCB = 578 , // UTAddNewVCB(int drive_number{d0}, int16 *vRefNum{a1}, uint32 vcb{a1})
fsDetermineVol = 594 , // UTDetermineVol(uint32 pb{a0}, int16 *status{a1}, int16 *more_matches{a2}, int16 *vRefNum{a3}, uint32 *vcb{a4})
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fsResolveWDCB = 614 , // UTResolveWDCB(uint32 procID{d0}, int16 index{d1}, int16 vRefNum{d0}, uint32 *wdcb{a0})
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fsGetDefaultVol = 632 , // UTGetDefaultVol(uint32 wdpb{a0})
fsGetPathComponentName = 644 , // UTGetPathComponentName(uint32 rec{a0})
fsParsePathname = 656 , // UTParsePathname(uint32 *start{a0}, uint32 name{a1})
fsDisposeVCB = 670 , // UTDisposeVCB(uint32 vcb{a0})
fsCheckWDRefNum = 682 , // UTCheckWDRefNum(int16 refNum{d0})
fsSetDefaultVol = 694 , // UTSetDefaultVol(uint32 dummy{d0}, int32 dirID{d1}, int16 refNum{d2})
fsAllocateFCB = 710 , // UTAllocateFCB(int16 *refNum{a0}, uint32 *fcb{a1})
fsReleaseFCB = 724 , // UTReleaseFCB(int16 refNum{d0})
fsIndexFCB = 736 , // UTIndexFCB(uint32 vcb{a0}, int16 *refNum{a1}, uint32 *fcb{a2})
fsResolveFCB = 752 , // UTResolveFCB(int16 refNum{d0}, uint32 *fcb{a0})
fsAdjustEOF = 766 , // UTAdjustEOF(int16 refNum{d0})
fsAllocateWDCB = 778 , // UTAllocateWDCB(uint32 pb{a0})
fsReleaseWDCB = 790 , // UTReleaseWDCB(int16 vRefNum{d0})
SIZEOF_fsdat = 802
} ;
static uint32 fs_data = 0 ; // Mac address of global data
// File system and volume name
static char FS_NAME [ 32 ] , VOLUME_NAME [ 32 ] ;
// This directory is our root (read from prefs)
static const char * RootPath ;
static bool ready = false ;
static struct stat root_stat ;
// File system ID/media type
const int16 MY_FSID = ' ba ' ;
const uint32 MY_MEDIA_TYPE = ' basi ' ;
// CNID of root and root's parent
const uint32 ROOT_ID = 2 ;
const uint32 ROOT_PARENT_ID = 1 ;
// File system stack size
const int STACK_SIZE = 0x10000 ;
// Drive number of our pseudo-drive
static int drive_number ;
// Disk/drive icon
const uint8 ExtFSIcon [ 256 ] = {
0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 ,
0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 ,
0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 ,
0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 ,
0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x7f , 0xff , 0xff , 0xfe ,
0x80 , 0x00 , 0x00 , 0x91 , 0x80 , 0x00 , 0x00 , 0x91 , 0x80 , 0x00 , 0x01 , 0x21 , 0x80 , 0x00 , 0x01 , 0x21 ,
0x80 , 0x00 , 0x02 , 0x41 , 0x8c , 0x00 , 0x02 , 0x41 , 0x80 , 0x00 , 0x04 , 0x81 , 0x80 , 0x00 , 0x04 , 0x81 ,
0x7f , 0xff , 0xff , 0xfe , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 ,
0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 ,
0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 ,
0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 ,
0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 ,
0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x7f , 0xff , 0xff , 0xfe ,
0xff , 0xff , 0xff , 0xff , 0xff , 0xff , 0xff , 0xff , 0xff , 0xff , 0xff , 0xff , 0xff , 0xff , 0xff , 0xff ,
0xff , 0xff , 0xff , 0xff , 0xff , 0xff , 0xff , 0xff , 0xff , 0xff , 0xff , 0xff , 0xff , 0xff , 0xff , 0xff ,
0x7f , 0xff , 0xff , 0xfe , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00
} ;
// These objects are used to map CNIDs to path names
struct FSItem {
FSItem * next ; // Pointer to next FSItem in list
uint32 id ; // CNID of this file/dir
uint32 parent_id ; // CNID of parent file/dir
FSItem * parent ; // Pointer to parent
char name [ 32 ] ; // Object name (C string)
time_t mtime ; // Modification time for get_cat_info caching
int cache_dircount ; // Cached number of files in directory
} ;
static FSItem * first_fs_item , * last_fs_item ;
static uint32 next_cnid = fsUsrCNID ; // Next available CNID
/*
* Find FSItem for given CNID
*/
static FSItem * find_fsitem_by_id ( uint32 cnid )
{
FSItem * p = first_fs_item ;
while ( p ) {
if ( p - > id = = cnid )
return p ;
p = p - > next ;
}
return NULL ;
}
/*
* Find FSItem for given name and parent , construct new FSItem if not found
*/
static FSItem * find_fsitem ( const char * name , FSItem * parent )
{
FSItem * p = first_fs_item ;
while ( p ) {
if ( p - > parent = = parent & & ! strcmp ( p - > name , name ) )
return p ;
p = p - > next ;
}
// Not found, construct new FSItem
p = new FSItem ;
last_fs_item - > next = p ;
p - > next = NULL ;
last_fs_item = p ;
p - > id = next_cnid + + ;
p - > parent_id = parent - > id ;
p - > parent = parent ;
strncpy ( p - > name , name , 31 ) ;
p - > name [ 31 ] = 0 ;
p - > mtime = 0 ;
return p ;
}
/*
* Get full path ( - > full_path ) for given FSItem
*/
static char full_path [ MAX_PATH_LENGTH ] ;
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static void add_path_comp ( const char * s )
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{
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add_path_component ( full_path , s ) ;
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}
static void get_path_for_fsitem ( FSItem * p )
{
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if ( p - > id = = ROOT_PARENT_ID ) {
full_path [ 0 ] = 0 ;
} else if ( p - > id = = ROOT_ID ) {
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strncpy ( full_path , RootPath , MAX_PATH_LENGTH - 1 ) ;
full_path [ MAX_PATH_LENGTH - 1 ] = 0 ;
} else {
get_path_for_fsitem ( p - > parent ) ;
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add_path_comp ( p - > name ) ;
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}
}
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/*
* Exchange parent CNIDs in all FSItems
*/
static void swap_parent_ids ( uint32 parent1 , uint32 parent2 )
{
FSItem * p = first_fs_item ;
while ( p ) {
if ( p - > parent_id = = parent1 )
p - > parent_id = parent2 ;
else if ( p - > parent_id = = parent2 )
p - > parent_id = parent1 ;
p = p - > next ;
}
}
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/*
* String handling functions
*/
// Copy pascal string
static void pstrcpy ( char * dst , const char * src )
{
int size = * dst + + = * src + + ;
while ( size - - )
* dst + + = * src + + ;
}
// Convert C string to pascal string
static void cstr2pstr ( char * dst , const char * src )
{
* dst + + = strlen ( src ) ;
char c ;
while ( ( c = * src + + ) ! = 0 ) {
if ( c = = ' : ' )
c = ' / ' ;
* dst + + = c ;
}
}
// Convert pascal string to C string
static void pstr2cstr ( char * dst , const char * src )
{
int size = * src + + ;
while ( size - - ) {
char c = * src + + ;
if ( c = = ' / ' )
c = ' : ' ;
* dst + + = c ;
}
* dst = 0 ;
}
// Convert string (no length byte) to C string, length given separately
static void strn2cstr ( char * dst , const char * src , int size )
{
while ( size - - ) {
char c = * src + + ;
if ( c = = ' / ' )
c = ' : ' ;
* dst + + = c ;
}
* dst = 0 ;
}
/*
* Convert errno to MacOS error code
*/
static int16 errno2oserr ( void )
{
D ( bug ( " errno %08x \n " , errno ) ) ;
switch ( errno ) {
case 0 :
return noErr ;
case ENOENT :
case EISDIR :
return fnfErr ;
case EACCES :
case EPERM :
return permErr ;
case EEXIST :
return dupFNErr ;
case EBUSY :
case ENOTEMPTY :
return fBsyErr ;
case ENOSPC :
return dskFulErr ;
case EROFS :
return wPrErr ;
case EMFILE :
return tmfoErr ;
case ENOMEM :
return - 108 ;
case EIO :
default :
return ioErr ;
}
}
/*
* Initialization
*/
void ExtFSInit ( void )
{
// System specific initialization
extfs_init ( ) ;
// Get file system and volume name
cstr2pstr ( FS_NAME , GetString ( STR_EXTFS_NAME ) ) ;
cstr2pstr ( VOLUME_NAME , GetString ( STR_EXTFS_VOLUME_NAME ) ) ;
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// Create root's parent FSItem
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FSItem * p = new FSItem ;
first_fs_item = last_fs_item = p ;
p - > next = NULL ;
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p - > id = ROOT_PARENT_ID ;
p - > parent_id = 0 ;
p - > parent = NULL ;
p - > name [ 0 ] = 0 ;
// Create root FSItem
p = new FSItem ;
last_fs_item - > next = p ;
p - > next = NULL ;
last_fs_item = p ;
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p - > id = ROOT_ID ;
p - > parent_id = ROOT_PARENT_ID ;
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p - > parent = first_fs_item ;
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strncpy ( p - > name , GetString ( STR_EXTFS_VOLUME_NAME ) , 32 ) ;
// Find path for root
if ( ( RootPath = PrefsFindString ( " extfs " ) ) ! = NULL ) {
if ( stat ( RootPath , & root_stat ) )
return ;
if ( ! S_ISDIR ( root_stat . st_mode ) )
return ;
ready = true ;
}
}
/*
* Deinitialization
*/
void ExtFSExit ( void )
{
// Delete all FSItems
FSItem * p = first_fs_item , * next ;
while ( p ) {
next = p - > next ;
delete p ;
p = next ;
}
first_fs_item = last_fs_item = NULL ;
// System specific deinitialization
extfs_exit ( ) ;
}
/*
* Install file system
*/
void InstallExtFS ( void )
{
int num_blocks = 0xffff ; // Fake number of blocks of our drive
M68kRegisters r ;
D ( bug ( " InstallExtFS \n " ) ) ;
if ( ! ready )
return ;
// FSM present?
r . d [ 0 ] = gestaltFSAttr ;
Execute68kTrap ( 0xa1ad , & r ) ; // Gestalt()
D ( bug ( " FSAttr %ld, %08lx \n " , r . d [ 0 ] , r . a [ 0 ] ) ) ;
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if ( ( r . d [ 0 ] & 0xffff ) | | ! ( r . a [ 0 ] & ( 1 < < gestaltHasFileSystemManager ) ) ) {
printf ( " WARNING: No FSM present, disabling ExtFS \n " ) ;
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return ;
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}
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// Yes, version >=1.2?
r . d [ 0 ] = gestaltFSMVersion ;
Execute68kTrap ( 0xa1ad , & r ) ; // Gestalt()
D ( bug ( " FSMVersion %ld, %08lx \n " , r . d [ 0 ] , r . a [ 0 ] ) ) ;
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if ( ( r . d [ 0 ] & 0xffff ) | | ( r . a [ 0 ] < 0x0120 ) ) {
printf ( " WARNING: FSM <1.2 found, disabling ExtFS \n " ) ;
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return ;
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}
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D ( bug ( " FSM present \n " ) ) ;
// Yes, allocate file system stack
r . d [ 0 ] = STACK_SIZE ;
Execute68kTrap ( 0xa71e , & r ) ; // NewPtrSysClear()
if ( r . a [ 0 ] = = 0 )
return ;
uint32 fs_stack = r . a [ 0 ] ;
// Allocate memory for our data structures and 68k code
r . d [ 0 ] = SIZEOF_fsdat ;
Execute68kTrap ( 0xa71e , & r ) ; // NewPtrSysClear()
if ( r . a [ 0 ] = = 0 )
return ;
fs_data = r . a [ 0 ] ;
// Set up 68k code fragments
int p = fs_data + fsCommProcStub ;
WriteMacInt16 ( p , M68K_EMUL_OP_EXTFS_COMM ) ; p + = 2 ;
WriteMacInt16 ( p , M68K_RTD ) ; p + = 2 ;
WriteMacInt16 ( p , 10 ) ; p + = 2 ;
if ( p - fs_data ! = fsHFSProcStub )
goto fsdat_error ;
WriteMacInt16 ( p , M68K_EMUL_OP_EXTFS_HFS ) ; p + = 2 ;
WriteMacInt16 ( p , M68K_RTD ) ; p + = 2 ;
WriteMacInt16 ( p , 16 ) ;
p = fs_data + fsAllocateVCB ;
WriteMacInt16 ( p , 0x4267 ) ; p + = 2 ; // clr.w -(sp)
WriteMacInt16 ( p , 0x2f08 ) ; p + = 2 ; // move.l a0,-(sp)
WriteMacInt16 ( p , 0x2f09 ) ; p + = 2 ; // move.l a1,-(sp)
WriteMacInt16 ( p , 0x4267 ) ; p + = 2 ; // clr.w -(sp)
WriteMacInt16 ( p , 0x7006 ) ; p + = 2 ; // UTAllocateVCB
WriteMacInt16 ( p , 0xa824 ) ; p + = 2 ; // FSMgr
WriteMacInt16 ( p , 0x301f ) ; p + = 2 ; // move.w (sp)+,d0
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WriteMacInt16 ( p , M68K_RTS ) ; p + = 2 ;
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if ( p - fs_data ! = fsAddNewVCB )
goto fsdat_error ;
WriteMacInt16 ( p , 0x4267 ) ; p + = 2 ; // clr.w -(sp)
WriteMacInt16 ( p , 0x3f00 ) ; p + = 2 ; // move.w d0,-(sp)
WriteMacInt16 ( p , 0x2f08 ) ; p + = 2 ; // move.l a0,-(a7)
WriteMacInt16 ( p , 0x2f09 ) ; p + = 2 ; // move.l a1,-(a7)
WriteMacInt16 ( p , 0x7007 ) ; p + = 2 ; // UTAddNewVCB
WriteMacInt16 ( p , 0xa824 ) ; p + = 2 ; // FSMgr
WriteMacInt16 ( p , 0x301f ) ; p + = 2 ; // move.w (sp)+,d0
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WriteMacInt16 ( p , M68K_RTS ) ; p + = 2 ;
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if ( p - fs_data ! = fsDetermineVol )
goto fsdat_error ;
WriteMacInt16 ( p , 0x4267 ) ; p + = 2 ; // clr.w -(sp)
WriteMacInt16 ( p , 0x2f08 ) ; p + = 2 ; // move.l a0,-(sp)
WriteMacInt16 ( p , 0x2f09 ) ; p + = 2 ; // move.l a1,-(sp)
WriteMacInt16 ( p , 0x2f0a ) ; p + = 2 ; // move.l a2,-(sp)
WriteMacInt16 ( p , 0x2f0b ) ; p + = 2 ; // move.l a3,-(sp)
WriteMacInt16 ( p , 0x2f0c ) ; p + = 2 ; // move.l a4,-(sp)
WriteMacInt16 ( p , 0x701d ) ; p + = 2 ; // UTDetermineVol
WriteMacInt16 ( p , 0xa824 ) ; p + = 2 ; // FSMgr
WriteMacInt16 ( p , 0x301f ) ; p + = 2 ; // move.w (sp)+,d0
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WriteMacInt16 ( p , M68K_RTS ) ; p + = 2 ;
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if ( p - fs_data ! = fsResolveWDCB )
goto fsdat_error ;
WriteMacInt16 ( p , 0x4267 ) ; p + = 2 ; // clr.w -(sp)
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WriteMacInt16 ( p , 0x2f00 ) ; p + = 2 ; // move.l d0,-(sp)
WriteMacInt16 ( p , 0x3f01 ) ; p + = 2 ; // move.w d1,-(sp)
WriteMacInt16 ( p , 0x3f02 ) ; p + = 2 ; // move.w d2,-(sp)
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WriteMacInt16 ( p , 0x2f08 ) ; p + = 2 ; // move.l a0,-(sp)
WriteMacInt16 ( p , 0x700e ) ; p + = 2 ; // UTResolveWDCB
WriteMacInt16 ( p , 0xa824 ) ; p + = 2 ; // FSMgr
WriteMacInt16 ( p , 0x301f ) ; p + = 2 ; // move.w (sp)+,d0
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WriteMacInt16 ( p , M68K_RTS ) ; p + = 2 ;
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if ( p - fs_data ! = fsGetDefaultVol )
goto fsdat_error ;
WriteMacInt16 ( p , 0x4267 ) ; p + = 2 ; // clr.w -(sp)
WriteMacInt16 ( p , 0x2f08 ) ; p + = 2 ; // move.l a0,-(sp)
WriteMacInt16 ( p , 0x7012 ) ; p + = 2 ; // UTGetDefaultVol
WriteMacInt16 ( p , 0xa824 ) ; p + = 2 ; // FSMgr
WriteMacInt16 ( p , 0x301f ) ; p + = 2 ; // move.w (sp)+,d0
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WriteMacInt16 ( p , M68K_RTS ) ; p + = 2 ;
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if ( p - fs_data ! = fsGetPathComponentName )
goto fsdat_error ;
WriteMacInt16 ( p , 0x4267 ) ; p + = 2 ; // clr.w -(sp)
WriteMacInt16 ( p , 0x2f08 ) ; p + = 2 ; // move.l a0,-(sp)
WriteMacInt16 ( p , 0x701c ) ; p + = 2 ; // UTGetPathComponentName
WriteMacInt16 ( p , 0xa824 ) ; p + = 2 ; // FSMgr
WriteMacInt16 ( p , 0x301f ) ; p + = 2 ; // move.w (sp)+,d0
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WriteMacInt16 ( p , M68K_RTS ) ; p + = 2 ;
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if ( p - fs_data ! = fsParsePathname )
goto fsdat_error ;
WriteMacInt16 ( p , 0x4267 ) ; p + = 2 ; // clr.w -(sp)
WriteMacInt16 ( p , 0x2f08 ) ; p + = 2 ; // move.l a0,-(sp)
WriteMacInt16 ( p , 0x2f09 ) ; p + = 2 ; // move.l a1,-(sp)
WriteMacInt16 ( p , 0x701b ) ; p + = 2 ; // UTParsePathname
WriteMacInt16 ( p , 0xa824 ) ; p + = 2 ; // FSMgr
WriteMacInt16 ( p , 0x301f ) ; p + = 2 ; // move.w (sp)+,d0
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WriteMacInt16 ( p , M68K_RTS ) ; p + = 2 ;
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if ( p - fs_data ! = fsDisposeVCB )
goto fsdat_error ;
WriteMacInt16 ( p , 0x4267 ) ; p + = 2 ; // clr.w -(sp)
WriteMacInt16 ( p , 0x2f08 ) ; p + = 2 ; // move.l a0,-(sp)
WriteMacInt16 ( p , 0x7008 ) ; p + = 2 ; // UTDisposeVCB
WriteMacInt16 ( p , 0xa824 ) ; p + = 2 ; // FSMgr
WriteMacInt16 ( p , 0x301f ) ; p + = 2 ; // move.w (sp)+,d0
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WriteMacInt16 ( p , M68K_RTS ) ; p + = 2 ;
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if ( p - fs_data ! = fsCheckWDRefNum )
goto fsdat_error ;
WriteMacInt16 ( p , 0x4267 ) ; p + = 2 ; // clr.w -(sp)
WriteMacInt16 ( p , 0x3f00 ) ; p + = 2 ; // move.w d0,-(sp)
WriteMacInt16 ( p , 0x7013 ) ; p + = 2 ; // UTCheckWDRefNum
WriteMacInt16 ( p , 0xa824 ) ; p + = 2 ; // FSMgr
WriteMacInt16 ( p , 0x301f ) ; p + = 2 ; // move.w (sp)+,d0
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WriteMacInt16 ( p , M68K_RTS ) ; p + = 2 ;
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if ( p - fs_data ! = fsSetDefaultVol )
goto fsdat_error ;
WriteMacInt16 ( p , 0x4267 ) ; p + = 2 ; // clr.w -(sp)
WriteMacInt16 ( p , 0x2f00 ) ; p + = 2 ; // move.l d0,-(sp)
WriteMacInt16 ( p , 0x2f01 ) ; p + = 2 ; // move.l d1,-(sp)
WriteMacInt16 ( p , 0x3f02 ) ; p + = 2 ; // move.w d2,-(sp)
WriteMacInt16 ( p , 0x7011 ) ; p + = 2 ; // UTSetDefaultVol
WriteMacInt16 ( p , 0xa824 ) ; p + = 2 ; // FSMgr
WriteMacInt16 ( p , 0x301f ) ; p + = 2 ; // move.w (sp)+,d0
1999-10-21 22:40:04 +00:00
WriteMacInt16 ( p , M68K_RTS ) ; p + = 2 ;
1999-10-19 17:41:44 +00:00
if ( p - fs_data ! = fsAllocateFCB )
goto fsdat_error ;
WriteMacInt16 ( p , 0x4267 ) ; p + = 2 ; // clr.w -(sp)
WriteMacInt16 ( p , 0x2f08 ) ; p + = 2 ; // move.l a0,-(sp)
WriteMacInt16 ( p , 0x2f09 ) ; p + = 2 ; // move.l a1,-(sp)
WriteMacInt16 ( p , 0x7000 ) ; p + = 2 ; // UTAllocateFCB
WriteMacInt16 ( p , 0xa824 ) ; p + = 2 ; // FSMgr
WriteMacInt16 ( p , 0x301f ) ; p + = 2 ; // move.w (sp)+,d0
1999-10-21 22:40:04 +00:00
WriteMacInt16 ( p , M68K_RTS ) ; p + = 2 ;
1999-10-19 17:41:44 +00:00
if ( p - fs_data ! = fsReleaseFCB )
goto fsdat_error ;
WriteMacInt16 ( p , 0x4267 ) ; p + = 2 ; // clr.w -(sp)
WriteMacInt16 ( p , 0x3f00 ) ; p + = 2 ; // move.w d0,-(sp)
WriteMacInt16 ( p , 0x7001 ) ; p + = 2 ; // UTReleaseFCB
WriteMacInt16 ( p , 0xa824 ) ; p + = 2 ; // FSMgr
WriteMacInt16 ( p , 0x301f ) ; p + = 2 ; // move.w (sp)+,d0
1999-10-21 22:40:04 +00:00
WriteMacInt16 ( p , M68K_RTS ) ; p + = 2 ;
1999-10-19 17:41:44 +00:00
if ( p - fs_data ! = fsIndexFCB )
goto fsdat_error ;
WriteMacInt16 ( p , 0x4267 ) ; p + = 2 ; // clr.w -(sp)
WriteMacInt16 ( p , 0x2f08 ) ; p + = 2 ; // move.l a0,-(sp)
WriteMacInt16 ( p , 0x2f09 ) ; p + = 2 ; // move.l a1,-(sp)
WriteMacInt16 ( p , 0x2f0a ) ; p + = 2 ; // move.l a2,-(sp)
WriteMacInt16 ( p , 0x7004 ) ; p + = 2 ; // UTIndexFCB
WriteMacInt16 ( p , 0xa824 ) ; p + = 2 ; // FSMgr
WriteMacInt16 ( p , 0x301f ) ; p + = 2 ; // move.w (sp)+,d0
1999-10-21 22:40:04 +00:00
WriteMacInt16 ( p , M68K_RTS ) ; p + = 2 ;
1999-10-19 17:41:44 +00:00
if ( p - fs_data ! = fsResolveFCB )
goto fsdat_error ;
WriteMacInt16 ( p , 0x4267 ) ; p + = 2 ; // clr.w -(sp)
WriteMacInt16 ( p , 0x3f00 ) ; p + = 2 ; // move.w d0,-(sp)
WriteMacInt16 ( p , 0x2f08 ) ; p + = 2 ; // move.l a0,-(sp)
WriteMacInt16 ( p , 0x7005 ) ; p + = 2 ; // UTResolveFCB
WriteMacInt16 ( p , 0xa824 ) ; p + = 2 ; // FSMgr
WriteMacInt16 ( p , 0x301f ) ; p + = 2 ; // move.w (sp)+,d0
1999-10-21 22:40:04 +00:00
WriteMacInt16 ( p , M68K_RTS ) ; p + = 2 ;
1999-10-19 17:41:44 +00:00
if ( p - fs_data ! = fsAdjustEOF )
goto fsdat_error ;
WriteMacInt16 ( p , 0x4267 ) ; p + = 2 ; // clr.w -(sp)
WriteMacInt16 ( p , 0x3f00 ) ; p + = 2 ; // move.w d0,-(sp)
WriteMacInt16 ( p , 0x7010 ) ; p + = 2 ; // UTAdjustEOF
WriteMacInt16 ( p , 0xa824 ) ; p + = 2 ; // FSMgr
WriteMacInt16 ( p , 0x301f ) ; p + = 2 ; // move.w (sp)+,d0
1999-10-21 22:40:04 +00:00
WriteMacInt16 ( p , M68K_RTS ) ; p + = 2 ;
1999-10-19 17:41:44 +00:00
if ( p - fs_data ! = fsAllocateWDCB )
goto fsdat_error ;
WriteMacInt16 ( p , 0x4267 ) ; p + = 2 ; // clr.w -(sp)
WriteMacInt16 ( p , 0x2f08 ) ; p + = 2 ; // move.l a0,-(sp)
WriteMacInt16 ( p , 0x700c ) ; p + = 2 ; // UTAllocateWDCB
WriteMacInt16 ( p , 0xa824 ) ; p + = 2 ; // FSMgr
WriteMacInt16 ( p , 0x301f ) ; p + = 2 ; // move.w (sp)+,d0
1999-10-21 22:40:04 +00:00
WriteMacInt16 ( p , M68K_RTS ) ; p + = 2 ;
1999-10-19 17:41:44 +00:00
if ( p - fs_data ! = fsReleaseWDCB )
goto fsdat_error ;
WriteMacInt16 ( p , 0x4267 ) ; p + = 2 ; // clr.w -(sp)
WriteMacInt16 ( p , 0x3f00 ) ; p + = 2 ; // move.w d0,-(sp)
WriteMacInt16 ( p , 0x700d ) ; p + = 2 ; // UTReleaseWDCB
WriteMacInt16 ( p , 0xa824 ) ; p + = 2 ; // FSMgr
WriteMacInt16 ( p , 0x301f ) ; p + = 2 ; // move.w (sp)+,d0
1999-10-21 22:40:04 +00:00
WriteMacInt16 ( p , M68K_RTS ) ; p + = 2 ;
1999-10-19 17:41:44 +00:00
if ( p - fs_data ! = SIZEOF_fsdat )
goto fsdat_error ;
// Set up drive status
WriteMacInt8 ( fs_data + fsDrvStatus + dsDiskInPlace , 8 ) ; // Fixed disk
WriteMacInt8 ( fs_data + fsDrvStatus + dsInstalled , 1 ) ;
WriteMacInt16 ( fs_data + fsDrvStatus + dsQType , hard20 ) ;
WriteMacInt16 ( fs_data + fsDrvStatus + dsDriveSize , num_blocks & 0xffff ) ;
WriteMacInt16 ( fs_data + fsDrvStatus + dsDriveS1 , num_blocks > > 16 ) ;
WriteMacInt16 ( fs_data + fsDrvStatus + dsQFSID , MY_FSID ) ;
// Add drive to drive queue
drive_number = FindFreeDriveNumber ( 1 ) ;
D ( bug ( " adding drive %d \n " , drive_number ) ) ;
r . d [ 0 ] = ( drive_number < < 16 ) | ( DiskRefNum & 0xffff ) ;
r . a [ 0 ] = fs_data + fsDrvStatus + dsQLink ;
Execute68kTrap ( 0xa04e , & r ) ; // AddDrive()
// Init FSDRec and install file system
D ( bug ( " installing file system \n " ) ) ;
WriteMacInt16 ( fs_data + fsFSD + fsdLength , SIZEOF_FSDRec ) ;
WriteMacInt16 ( fs_data + fsFSD + fsdVersion , fsdVersion1 ) ;
WriteMacInt16 ( fs_data + fsFSD + fileSystemFSID , MY_FSID ) ;
1999-11-03 10:56:43 +00:00
Host2Mac_memcpy ( fs_data + fsFSD + fileSystemName , FS_NAME , 32 ) ;
1999-10-19 17:41:44 +00:00
WriteMacInt32 ( fs_data + fsFSD + fileSystemCommProc , fs_data + fsCommProcStub ) ;
WriteMacInt32 ( fs_data + fsFSD + fsdHFSCI + compInterfProc , fs_data + fsHFSProcStub ) ;
WriteMacInt32 ( fs_data + fsFSD + fsdHFSCI + stackTop , fs_stack + STACK_SIZE ) ;
WriteMacInt32 ( fs_data + fsFSD + fsdHFSCI + stackSize , STACK_SIZE ) ;
WriteMacInt32 ( fs_data + fsFSD + fsdHFSCI + idSector , ( uint32 ) - 1 ) ;
r . a [ 0 ] = fs_data + fsFSD ;
r . d [ 0 ] = 0 ; // InstallFS
Execute68kTrap ( 0xa0ac , & r ) ; // FSMDispatch()
D ( bug ( " InstallFS() returned %d \n " , r . d [ 0 ] ) ) ;
// Enable HFS component
D ( bug ( " enabling HFS component \n " ) ) ;
WriteMacInt32 ( fs_data + fsFSD + fsdHFSCI + compInterfMask , ReadMacInt32 ( fs_data + fsFSD + fsdHFSCI + compInterfMask ) | ( fsmComponentEnableMask | hfsCIResourceLoadedMask | hfsCIDoesHFSMask ) ) ;
r . a [ 0 ] = fs_data + fsFSD ;
r . d [ 3 ] = SIZEOF_FSDRec ;
r . d [ 4 ] = MY_FSID ;
r . d [ 0 ] = 5 ; // SetFSInfo
Execute68kTrap ( 0xa0ac , & r ) ; // FSMDispatch()
D ( bug ( " SetFSInfo() returned %d \n " , r . d [ 0 ] ) ) ;
// Mount volume
D ( bug ( " mounting volume \n " ) ) ;
WriteMacInt32 ( fs_data + fsPB + ioBuffer , fs_data + fsVMI ) ;
WriteMacInt16 ( fs_data + fsVMI + vmiLength , SIZEOF_VolumeMountInfoHeader ) ;
WriteMacInt32 ( fs_data + fsVMI + vmiMedia , MY_MEDIA_TYPE ) ;
r . a [ 0 ] = fs_data + fsPB ;
r . d [ 0 ] = 0x41 ; // PBVolumeMount
Execute68kTrap ( 0xa260 , & r ) ; // HFSDispatch()
D ( bug ( " PBVolumeMount() returned %d \n " , r . d [ 0 ] ) ) ;
return ;
fsdat_error :
printf ( " FATAL: ExtFS data block initialization error \n " ) ;
QuitEmulator ( ) ;
}
/*
* FS communications function
*/
int16 ExtFSComm ( uint16 message , uint32 paramBlock , uint32 globalsPtr )
{
D ( bug ( " ExtFSComm(%d, %08lx, %08lx) \n " , message , paramBlock , globalsPtr ) ) ;
switch ( message ) {
case ffsNopMessage :
case ffsLoadMessage :
case ffsUnloadMessage :
return noErr ;
case ffsGetIconMessage : { // Get disk/drive icon
if ( ReadMacInt8 ( paramBlock + iconType ) = = kLargeIcon & & ReadMacInt32 ( paramBlock + requestSize ) > = sizeof ( ExtFSIcon ) ) {
1999-11-03 10:56:43 +00:00
Host2Mac_memcpy ( ReadMacInt32 ( paramBlock + iconBufferPtr ) , ExtFSIcon , sizeof ( ExtFSIcon ) ) ;
1999-10-19 17:41:44 +00:00
WriteMacInt32 ( paramBlock + actualSize , sizeof ( ExtFSIcon ) ) ;
return noErr ;
} else
return - 5012 ; // afpItemNotFound
}
case ffsIDDiskMessage : { // Check if volume is handled by our FS
if ( ReadMacInt16 ( paramBlock + ioVRefNum ) = = drive_number )
return noErr ;
else
return extFSErr ;
}
case ffsIDVolMountMessage : { // Check if volume can be mounted by our FS
if ( ReadMacInt32 ( ReadMacInt32 ( paramBlock + ioBuffer ) + vmiMedia ) = = MY_MEDIA_TYPE )
return noErr ;
else
return extFSErr ;
}
default :
return fsmUnknownFSMMessageErr ;
}
}
/*
* Get current directory specified by given ParamBlock / dirID
*/
static int16 get_current_dir ( uint32 pb , uint32 dirID , uint32 & current_dir , bool no_vol_name = false )
{
M68kRegisters r ;
int16 result ;
// Determine volume
1999-10-20 17:23:57 +00:00
D ( bug ( " determining volume, dirID %d \n " , dirID ) ) ;
1999-10-19 17:41:44 +00:00
r . a [ 0 ] = pb ;
r . a [ 1 ] = fs_data + fsReturn ;
r . a [ 2 ] = fs_data + fsReturn + 2 ;
r . a [ 3 ] = fs_data + fsReturn + 4 ;
r . a [ 4 ] = fs_data + fsReturn + 6 ;
uint32 name_ptr = 0 ;
if ( no_vol_name ) {
name_ptr = ReadMacInt32 ( pb + ioNamePtr ) ;
WriteMacInt32 ( pb + ioNamePtr , 0 ) ;
}
Execute68k ( fs_data + fsDetermineVol , & r ) ;
if ( no_vol_name )
WriteMacInt32 ( pb + ioNamePtr , name_ptr ) ;
int16 status = ReadMacInt16 ( fs_data + fsReturn ) ;
int16 more_matches = ReadMacInt16 ( fs_data + fsReturn + 2 ) ;
int16 vRefNum = ReadMacInt16 ( fs_data + fsReturn + 4 ) ;
uint32 vcb = ReadMacInt32 ( fs_data + fsReturn + 6 ) ;
1999-10-20 17:23:57 +00:00
D ( bug ( " UTDetermineVol() returned %d, status %d \n " , r . d [ 0 ] , status ) ) ;
1999-10-19 17:41:44 +00:00
result = r . d [ 0 ] & 0xffff ;
if ( result = = noErr ) {
switch ( status ) {
case dtmvFullPathname : // Determined by full pathname
current_dir = ROOT_ID ;
break ;
case dtmvVRefNum : // Determined by refNum or by drive number
case dtmvDriveNum :
current_dir = dirID ? dirID : ROOT_ID ;
break ;
case dtmvWDRefNum : // Determined by working directory refNum
if ( dirID )
current_dir = dirID ;
else {
D ( bug ( " resolving WDCB \n " ) ) ;
1999-10-27 16:59:54 +00:00
r . d [ 0 ] = 0 ;
r . d [ 1 ] = 0 ;
r . d [ 2 ] = ReadMacInt16 ( pb + ioVRefNum ) ;
1999-10-19 17:41:44 +00:00
r . a [ 0 ] = fs_data + fsReturn ;
Execute68k ( fs_data + fsResolveWDCB , & r ) ;
uint32 wdcb = ReadMacInt32 ( fs_data + fsReturn ) ;
D ( bug ( " UTResolveWDCB() returned %d, dirID %d \n " , r . d [ 0 ] , ReadMacInt32 ( wdcb + wdDirID ) ) ) ;
result = r . d [ 0 ] & 0xffff ;
if ( result = = noErr )
current_dir = ReadMacInt32 ( wdcb + wdDirID ) ;
}
break ;
case dtmvDefault : // Determined by default volume
if ( dirID )
current_dir = dirID ;
else {
uint32 wdpb = fs_data + fsReturn ;
WriteMacInt32 ( wdpb + ioNamePtr , 0 ) ;
D ( bug ( " getting default volume \n " ) ) ;
r . a [ 0 ] = wdpb ;
Execute68k ( fs_data + fsGetDefaultVol , & r ) ;
D ( bug ( " UTGetDefaultVol() returned %d, dirID %d \n " , r . d [ 0 ] , ReadMacInt32 ( wdpb + ioWDDirID ) ) ) ;
result = r . d [ 0 ] & 0xffff ;
if ( result = = noErr )
current_dir = ReadMacInt32 ( wdpb + ioWDDirID ) ;
}
break ;
default :
result = paramErr ;
break ;
}
}
return result ;
}
/*
* Get path component name
*/
static int16 get_path_component_name ( uint32 rec )
{
// D(bug(" getting path component\n"));
M68kRegisters r ;
r . a [ 0 ] = rec ;
Execute68k ( fs_data + fsGetPathComponentName , & r ) ;
// D(bug(" UTGetPathComponentName returned %d\n", r.d[0]));
return r . d [ 0 ] & 0xffff ;
}
/*
* Get FSItem and full path ( - > full_path ) for file / dir specified in ParamBlock
*/
static int16 get_item_and_path ( uint32 pb , uint32 dirID , FSItem * & item , bool no_vol_name = false )
{
M68kRegisters r ;
// Find FSItem for parent directory
int16 result ;
uint32 current_dir ;
if ( ( result = get_current_dir ( pb , dirID , current_dir , no_vol_name ) ) ! = noErr )
return result ;
1999-10-20 17:23:57 +00:00
D ( bug ( " current dir %08x \n " , current_dir ) ) ;
1999-10-19 17:41:44 +00:00
FSItem * p = find_fsitem_by_id ( current_dir ) ;
if ( p = = NULL )
return dirNFErr ;
// Start parsing
uint32 parseRec = fs_data + fsParseRec ;
WriteMacInt32 ( parseRec + ppNamePtr , ReadMacInt32 ( pb + ioNamePtr ) ) ;
WriteMacInt16 ( parseRec + ppStartOffset , 0 ) ;
WriteMacInt16 ( parseRec + ppComponentLength , 0 ) ;
WriteMacInt8 ( parseRec + ppMoreName , false ) ;
WriteMacInt8 ( parseRec + ppFoundDelimiter , false ) ;
// Get length of volume name
1999-10-20 17:23:57 +00:00
D ( bug ( " parsing pathname \n " ) ) ;
1999-10-19 17:41:44 +00:00
r . a [ 0 ] = parseRec + ppStartOffset ;
r . a [ 1 ] = ReadMacInt32 ( parseRec + ppNamePtr ) ;
Execute68k ( fs_data + fsParsePathname , & r ) ;
1999-10-20 17:23:57 +00:00
D ( bug ( " UTParsePathname() returned %d, startOffset %d \n " , r . d [ 0 ] , ReadMacInt16 ( parseRec + ppStartOffset ) ) ) ;
1999-10-19 17:41:44 +00:00
result = r . d [ 0 ] & 0xffff ;
if ( result = = noErr ) {
// Check for leading delimiter of the partial pathname
result = get_path_component_name ( parseRec ) ;
if ( result = = noErr ) {
if ( ReadMacInt16 ( parseRec + ppComponentLength ) = = 0 & & ReadMacInt8 ( parseRec + ppFoundDelimiter ) ) {
// Get past initial delimiter
WriteMacInt16 ( parseRec + ppStartOffset , ReadMacInt16 ( parseRec + ppStartOffset ) + 1 ) ;
}
// Parse until there is no more pathname to parse
while ( ( result = = noErr ) & & ReadMacInt8 ( parseRec + ppMoreName ) ) {
// Search for the next delimiter from startOffset
result = get_path_component_name ( parseRec ) ;
if ( result = = noErr ) {
if ( ReadMacInt16 ( parseRec + ppComponentLength ) = = 0 ) {
// Delimiter immediately following another delimiter, get parent
if ( current_dir ! = ROOT_ID ) {
p = p - > parent ;
current_dir = p - > id ;
} else
result = bdNamErr ;
// startOffset = start of next component
WriteMacInt16 ( parseRec + ppStartOffset , ReadMacInt16 ( parseRec + ppStartOffset ) + 1 ) ;
} else if ( ReadMacInt8 ( parseRec + ppMoreName ) ) {
// Component found and isn't the last, so it must be a directory, enter it
char name [ 32 ] ;
strn2cstr ( name , ( char * ) Mac2HostAddr ( ReadMacInt32 ( parseRec + ppNamePtr ) ) + ReadMacInt16 ( parseRec + ppStartOffset ) + 1 , ReadMacInt16 ( parseRec + ppComponentLength ) ) ;
D ( bug ( " entering %s \n " , name ) ) ;
p = find_fsitem ( name , p ) ;
current_dir = p - > id ;
// startOffset = start of next component
WriteMacInt16 ( parseRec + ppStartOffset , ReadMacInt16 ( parseRec + ppStartOffset ) + ReadMacInt16 ( parseRec + ppComponentLength ) + 1 ) ;
}
}
}
if ( result = = noErr ) {
// There is no more pathname to parse
if ( ReadMacInt16 ( parseRec + ppComponentLength ) = = 0 ) {
// Pathname ended with '::' or was simply a volume name, so current directory is the object
item = p ;
} else {
// Pathname ended with 'name:' or 'name', so name is the object
char name [ 32 ] ;
strn2cstr ( name , ( char * ) Mac2HostAddr ( ReadMacInt32 ( parseRec + ppNamePtr ) ) + ReadMacInt16 ( parseRec + ppStartOffset ) + 1 , ReadMacInt16 ( parseRec + ppComponentLength ) ) ;
D ( bug ( " object is %s \n " , name ) ) ;
item = find_fsitem ( name , p ) ;
}
}
}
} else {
// Default to bad name
result = bdNamErr ;
if ( ReadMacInt32 ( pb + ioNamePtr ) = = 0 | | ReadMacInt8 ( ReadMacInt32 ( pb + ioNamePtr ) ) = = 0 ) {
// Pathname was NULL or a zero length string, so we found a directory at the end of the string
item = p ;
result = noErr ;
}
}
// Eat the path
if ( result = = noErr ) {
get_path_for_fsitem ( item ) ;
D ( bug ( " path %s \n " , full_path ) ) ;
}
return result ;
}
/*
* Find FCB for given file RefNum
*/
static uint32 find_fcb ( int16 refNum )
{
D ( bug ( " finding FCB \n " ) ) ;
M68kRegisters r ;
r . d [ 0 ] = refNum ;
r . a [ 0 ] = fs_data + fsReturn ;
Execute68k ( fs_data + fsResolveFCB , & r ) ;
uint32 fcb = ReadMacInt32 ( fs_data + fsReturn ) ;
D ( bug ( " UTResolveFCB() returned %d, fcb %08lx \n " , r . d [ 0 ] , fcb ) ) ;
if ( r . d [ 0 ] & 0xffff )
return 0 ;
else
return fcb ;
}
/*
* HFS interface functions
*/
// Check if volume belongs to our FS
static int16 fs_mount_vol ( uint32 pb )
{
D ( bug ( " fs_mount_vol(%08lx), vRefNum %d \n " , pb , ReadMacInt16 ( pb + ioVRefNum ) ) ) ;
if ( ReadMacInt16 ( pb + ioVRefNum ) = = drive_number )
return noErr ;
else
return extFSErr ;
}
// Mount volume
static int16 fs_volume_mount ( uint32 pb )
{
D ( bug ( " fs_volume_mount(%08lx) \n " , pb ) ) ;
M68kRegisters r ;
// Create new VCB
D ( bug ( " creating VCB \n " ) ) ;
r . a [ 0 ] = fs_data + fsReturn ;
r . a [ 1 ] = fs_data + fsReturn + 2 ;
Execute68k ( fs_data + fsAllocateVCB , & r ) ;
uint16 sysVCBLength = ReadMacInt16 ( fs_data + fsReturn ) ;
uint32 vcb = ReadMacInt32 ( fs_data + fsReturn + 2 ) ;
D ( bug ( " UTAllocateVCB() returned %d, vcb %08lx, size %d \n " , r . d [ 0 ] , vcb , sysVCBLength ) ) ;
if ( r . d [ 0 ] & 0xffff )
return r . d [ 0 ] ;
// Init VCB
WriteMacInt16 ( vcb + vcbSigWord , 0x4244 ) ;
# ifdef __BEOS__
WriteMacInt32 ( vcb + vcbCrDate , root_stat . st_crtime + TIME_OFFSET ) ;
# else
WriteMacInt32 ( vcb + vcbCrDate , 0 ) ;
# endif
WriteMacInt32 ( vcb + vcbLsMod , root_stat . st_mtime + TIME_OFFSET ) ;
WriteMacInt32 ( vcb + vcbVolBkUp , 0 ) ;
WriteMacInt16 ( vcb + vcbNmFls , 1 ) ; //!!
WriteMacInt16 ( vcb + vcbNmRtDirs , 1 ) ; //!!
WriteMacInt16 ( vcb + vcbNmAlBlks , 0xffff ) ; //!!
WriteMacInt32 ( vcb + vcbAlBlkSiz , 1024 ) ;
WriteMacInt32 ( vcb + vcbClpSiz , 1024 ) ;
WriteMacInt32 ( vcb + vcbNxtCNID , next_cnid ) ;
WriteMacInt16 ( vcb + vcbFreeBks , 0xffff ) ; //!!
1999-11-03 10:56:43 +00:00
Host2Mac_memcpy ( vcb + vcbVN , VOLUME_NAME , 28 ) ;
1999-10-19 17:41:44 +00:00
WriteMacInt16 ( vcb + vcbFSID , MY_FSID ) ;
WriteMacInt32 ( vcb + vcbFilCnt , 1 ) ; //!!
WriteMacInt32 ( vcb + vcbDirCnt , 1 ) ; //!!
// Add VCB to VCB queue
D ( bug ( " adding VCB to queue \n " ) ) ;
r . d [ 0 ] = drive_number ;
r . a [ 0 ] = fs_data + fsReturn ;
r . a [ 1 ] = vcb ;
Execute68k ( fs_data + fsAddNewVCB , & r ) ;
int16 vRefNum = ReadMacInt32 ( fs_data + fsReturn ) ;
D ( bug ( " UTAddNewVCB() returned %d, vRefNum %d \n " , r . d [ 0 ] , vRefNum ) ) ;
if ( r . d [ 0 ] & 0xffff )
return r . d [ 0 ] ;
// Post diskInsertEvent
D ( bug ( " posting diskInsertEvent \n " ) ) ;
r . d [ 0 ] = drive_number ;
r . a [ 0 ] = 7 ; // diskEvent
Execute68kTrap ( 0xa02f , & r ) ; // PostEvent()
// Return volume RefNum
WriteMacInt16 ( pb + ioVRefNum , vRefNum ) ;
return noErr ;
}
// Unmount volume
static int16 fs_unmount_vol ( uint32 vcb )
{
D ( bug ( " fs_unmount_vol(%08lx), vRefNum %d \n " , vcb , ReadMacInt16 ( vcb + vcbVRefNum ) ) ) ;
M68kRegisters r ;
// Remove and free VCB
D ( bug ( " freeing VCB \n " ) ) ;
r . a [ 0 ] = vcb ;
Execute68k ( fs_data + fsDisposeVCB , & r ) ;
D ( bug ( " UTDisposeVCB() returned %d \n " , r . d [ 0 ] ) ) ;
return r . d [ 0 ] ;
}
// Get information about a volume (HVolumeParam)
static int16 fs_get_vol_info ( uint32 pb , bool hfs )
{
// D(bug(" fs_get_vol_info(%08lx)\n", pb));
// Fill in struct
if ( ReadMacInt32 ( pb + ioNamePtr ) )
pstrcpy ( ( char * ) Mac2HostAddr ( ReadMacInt32 ( pb + ioNamePtr ) ) , VOLUME_NAME ) ;
# ifdef __BEOS__
WriteMacInt32 ( pb + ioVCrDate , root_stat . st_crtime + TIME_OFFSET ) ;
# else
WriteMacInt32 ( pb + ioVCrDate , 0 ) ;
# endif
WriteMacInt32 ( pb + ioVLsMod , root_stat . st_mtime + TIME_OFFSET ) ;
WriteMacInt16 ( pb + ioVAtrb , 0 ) ;
WriteMacInt16 ( pb + ioVNmFls , 1 ) ; //!!
WriteMacInt16 ( pb + ioVBitMap , 0 ) ;
WriteMacInt16 ( pb + ioAllocPtr , 0 ) ;
WriteMacInt16 ( pb + ioVNmAlBlks , 0xffff ) ; //!!
WriteMacInt32 ( pb + ioVAlBlkSiz , 1024 ) ;
WriteMacInt32 ( pb + ioVClpSiz , 1024 ) ;
WriteMacInt16 ( pb + ioAlBlSt , 0 ) ;
WriteMacInt32 ( pb + ioVNxtCNID , next_cnid ) ;
WriteMacInt16 ( pb + ioVFrBlk , 0xffff ) ; //!!
if ( hfs ) {
WriteMacInt16 ( pb + ioVDrvInfo , drive_number ) ;
WriteMacInt16 ( pb + ioVDRefNum , ReadMacInt16 ( fs_data + fsDrvStatus + dsQRefNum ) ) ;
WriteMacInt16 ( pb + ioVFSID , MY_FSID ) ;
WriteMacInt32 ( pb + ioVBkUp , 0 ) ;
WriteMacInt16 ( pb + ioVSeqNum , 0 ) ;
WriteMacInt32 ( pb + ioVWrCnt , 0 ) ;
WriteMacInt32 ( pb + ioVFilCnt , 1 ) ; //!!
WriteMacInt32 ( pb + ioVDirCnt , 1 ) ; //!!
1999-11-03 10:56:43 +00:00
Mac_memset ( pb + ioVFndrInfo , 0 , 32 ) ;
1999-10-19 17:41:44 +00:00
}
return noErr ;
}
// Change volume information (HVolumeParam)
static int16 fs_set_vol_info ( uint32 pb )
{
D ( bug ( " fs_set_vol_info(%08lx) \n " , pb ) ) ;
//!! times
return noErr ;
}
// Get volume parameter block
static int16 fs_get_vol_parms ( uint32 pb )
{
// D(bug(" fs_get_vol_parms(%08lx)\n", pb));
// Return parameter block
uint32 actual = ReadMacInt32 ( pb + ioReqCount ) ;
1999-11-15 15:01:34 +00:00
if ( actual > SIZEOF_GetVolParmsInfoBuffer )
actual = SIZEOF_GetVolParmsInfoBuffer ;
1999-10-19 17:41:44 +00:00
WriteMacInt32 ( pb + ioActCount , actual ) ;
1999-11-15 15:01:34 +00:00
uint32 p = ReadMacInt32 ( pb + ioBuffer ) ;
if ( actual > vMVersion ) WriteMacInt16 ( p + vMVersion , 2 ) ;
if ( actual > vMAttrib ) WriteMacInt32 ( p + vMAttrib , kNoMiniFndr | kNoVNEdit | kNoLclSync | kTrshOffLine | kNoSwitchTo | kNoBootBlks | kNoSysDir | kHasExtFSVol ) ;
if ( actual > vMLocalHand ) WriteMacInt32 ( p + vMLocalHand , 0 ) ;
if ( actual > vMServerAdr ) WriteMacInt32 ( p + vMServerAdr , 0 ) ;
if ( actual > vMVolumeGrade ) WriteMacInt32 ( p + vMVolumeGrade , 0 ) ;
if ( actual > vMForeignPrivID ) WriteMacInt16 ( p + vMForeignPrivID , 0 ) ;
1999-10-19 17:41:44 +00:00
return noErr ;
}
// Get default volume (WDParam)
static int16 fs_get_vol ( uint32 pb )
{
D ( bug ( " fs_get_vol(%08lx) \n " , pb ) ) ;
M68kRegisters r ;
// Getting default volume
D ( bug ( " getting default volume \n " ) ) ;
r . a [ 0 ] = pb ;
Execute68k ( fs_data + fsGetDefaultVol , & r ) ;
D ( bug ( " UTGetDefaultVol() returned %d \n " , r . d [ 0 ] ) ) ;
return r . d [ 0 ] ;
}
// Set default volume (WDParam)
static int16 fs_set_vol ( uint32 pb , bool hfs , uint32 vcb )
{
1999-10-20 17:23:57 +00:00
D ( bug ( " fs_set_vol(%08lx), vRefNum %d, name %.31s, dirID %d \n " , pb , ReadMacInt16 ( pb + ioVRefNum ) , Mac2HostAddr ( ReadMacInt32 ( pb + ioNamePtr ) + 1 ) , ReadMacInt32 ( pb + ioWDDirID ) ) ) ;
1999-10-19 17:41:44 +00:00
M68kRegisters r ;
// Determine parameters
uint32 dirID ;
int16 refNum ;
if ( hfs ) {
// Find FSItem for given dir
FSItem * fs_item ;
int16 result = get_item_and_path ( pb , ReadMacInt32 ( pb + ioWDDirID ) , fs_item ) ;
if ( result ! = noErr )
return result ;
// Is it a directory?
struct stat st ;
if ( stat ( full_path , & st ) )
return dirNFErr ;
if ( ! S_ISDIR ( st . st_mode ) )
return dirNFErr ;
// Get dirID and refNum
dirID = fs_item - > id ;
refNum = ReadMacInt16 ( vcb + vcbVRefNum ) ;
} else {
// Is the given vRefNum a working directory number?
D ( bug ( " checking for WDRefNum \n " ) ) ;
r . d [ 0 ] = ReadMacInt16 ( pb + ioVRefNum ) ;
Execute68k ( fs_data + fsCheckWDRefNum , & r ) ;
D ( bug ( " UTCheckWDRefNum() returned %d \n " , r . d [ 0 ] ) ) ;
if ( r . d [ 0 ] & 0xffff ) {
// Volume refNum
dirID = ROOT_ID ;
refNum = ReadMacInt16 ( vcb + vcbVRefNum ) ;
} else {
// WD refNum
dirID = 0 ;
refNum = ReadMacInt16 ( pb + ioVRefNum ) ;
}
}
// Setting default volume
D ( bug ( " setting default volume \n " ) ) ;
r . d [ 0 ] = 0 ;
r . d [ 1 ] = dirID ;
r . d [ 2 ] = refNum ;
Execute68k ( fs_data + fsSetDefaultVol , & r ) ;
D ( bug ( " UTSetDefaultVol() returned %d \n " , r . d [ 0 ] ) ) ;
return r . d [ 0 ] ;
}
// Query file attributes (HFileParam)
static int16 fs_get_file_info ( uint32 pb , bool hfs , uint32 dirID )
{
1999-10-20 17:23:57 +00:00
D ( bug ( " fs_get_file_info(%08lx), vRefNum %d, name %.31s, idx %d, dirID %d \n " , pb , ReadMacInt16 ( pb + ioVRefNum ) , Mac2HostAddr ( ReadMacInt32 ( pb + ioNamePtr ) + 1 ) , ReadMacInt16 ( pb + ioFDirIndex ) , dirID ) ) ;
1999-10-19 17:41:44 +00:00
FSItem * fs_item ;
1999-10-27 16:59:54 +00:00
int16 dir_index = ReadMacInt16 ( pb + ioFDirIndex ) ;
1999-10-20 17:23:57 +00:00
if ( dir_index < = 0 ) { // Query item specified by ioDirID and ioNamePtr
1999-10-19 17:41:44 +00:00
// Find FSItem for given file
int16 result = get_item_and_path ( pb , dirID , fs_item ) ;
if ( result ! = noErr )
return result ;
} else { // Query item in directory specified by ioDirID by index
// Find FSItem for parent directory
int16 result ;
uint32 current_dir ;
if ( ( result = get_current_dir ( pb , dirID , current_dir , true ) ) ! = noErr )
return result ;
FSItem * p = find_fsitem_by_id ( current_dir ) ;
if ( p = = NULL )
return dirNFErr ;
get_path_for_fsitem ( p ) ;
// Look for nth item in directory and add name to path
DIR * d = opendir ( full_path ) ;
if ( d = = NULL )
return dirNFErr ;
struct dirent * de = NULL ;
for ( int i = 0 ; i < dir_index ; i + + ) {
read_next_de :
de = readdir ( d ) ;
if ( de = = NULL ) {
closedir ( d ) ;
return fnfErr ;
}
if ( de - > d_name [ 0 ] = = ' . ' )
1999-11-08 16:43:11 +00:00
goto read_next_de ; // Suppress names beginning with '.' (MacOS could interpret these as driver names)
1999-10-19 17:41:44 +00:00
//!! suppress directories
}
1999-10-21 22:40:04 +00:00
add_path_comp ( de - > d_name ) ;
1999-10-19 17:41:44 +00:00
// Get FSItem for queried item
fs_item = find_fsitem ( de - > d_name , p ) ;
closedir ( d ) ;
}
// Get stats
struct stat st ;
if ( stat ( full_path , & st ) )
return fnfErr ;
if ( S_ISDIR ( st . st_mode ) )
return fnfErr ;
// Fill in struct from fs_item and stats
if ( ReadMacInt32 ( pb + ioNamePtr ) )
cstr2pstr ( ( char * ) Mac2HostAddr ( ReadMacInt32 ( pb + ioNamePtr ) ) , fs_item - > name ) ;
WriteMacInt16 ( pb + ioFRefNum , 0 ) ;
WriteMacInt8 ( pb + ioFlAttrib , access ( full_path , W_OK ) = = 0 ? 0 : faLocked ) ;
WriteMacInt32 ( pb + ioDirID , fs_item - > id ) ;
# ifdef __BEOS__
WriteMacInt32 ( pb + ioFlCrDat , st . st_crtime + TIME_OFFSET ) ;
# else
WriteMacInt32 ( pb + ioFlCrDat , 0 ) ;
# endif
WriteMacInt32 ( pb + ioFlMdDat , st . st_mtime + TIME_OFFSET ) ;
1999-11-03 10:56:43 +00:00
Mac_memset ( pb + ioFlFndrInfo , 0 , SIZEOF_FInfo ) ;
1999-10-19 17:41:44 +00:00
uint32 type , creator ; // pb may point to kernel space, but stack is switched
get_finder_type ( full_path , type , creator ) ;
WriteMacInt32 ( pb + ioFlFndrInfo + fdType , type ) ;
WriteMacInt32 ( pb + ioFlFndrInfo + fdCreator , creator ) ;
uint16 fflags ;
get_finder_flags ( full_path , fflags ) ;
WriteMacInt16 ( pb + ioFlFndrInfo + fdFlags , fflags ) ;
WriteMacInt16 ( pb + ioFlStBlk , 0 ) ;
WriteMacInt32 ( pb + ioFlLgLen , st . st_size ) ;
WriteMacInt32 ( pb + ioFlPyLen , ( st . st_size + 1023 ) & ~ 1023 ) ;
WriteMacInt16 ( pb + ioFlRStBlk , 0 ) ;
uint32 rf_size = get_rfork_size ( full_path ) ;
WriteMacInt32 ( pb + ioFlRLgLen , rf_size ) ;
WriteMacInt32 ( pb + ioFlRPyLen , ( rf_size + 1023 ) & ~ 1023 ) ;
if ( hfs ) {
WriteMacInt32 ( pb + ioFlBkDat , 0 ) ;
1999-11-03 10:56:43 +00:00
Mac_memset ( pb + ioFlXFndrInfo , 0 , SIZEOF_FXInfo ) ;
1999-10-19 17:41:44 +00:00
WriteMacInt32 ( pb + ioFlParID , fs_item - > parent_id ) ;
WriteMacInt32 ( pb + ioFlClpSiz , 0 ) ;
}
return noErr ;
}
// Set file attributes (HFileParam)
static int16 fs_set_file_info ( uint32 pb , bool hfs , uint32 dirID )
{
1999-10-20 17:23:57 +00:00
D ( bug ( " fs_set_file_info(%08lx), vRefNum %d, name %.31s, idx %d, dirID %d \n " , pb , ReadMacInt16 ( pb + ioVRefNum ) , Mac2HostAddr ( ReadMacInt32 ( pb + ioNamePtr ) + 1 ) , ReadMacInt16 ( pb + ioFDirIndex ) , dirID ) ) ;
1999-10-19 17:41:44 +00:00
// Find FSItem for given file/dir
FSItem * fs_item ;
int16 result = get_item_and_path ( pb , dirID , fs_item ) ;
if ( result ! = noErr )
return result ;
// Get stats
struct stat st ;
if ( stat ( full_path , & st ) < 0 )
return errno2oserr ( ) ;
if ( S_ISDIR ( st . st_mode ) )
return fnfErr ;
// Set attributes
set_finder_type ( full_path , ReadMacInt32 ( pb + ioFlFndrInfo + fdType ) , ReadMacInt32 ( pb + ioFlFndrInfo + fdCreator ) ) ;
set_finder_flags ( full_path , ReadMacInt16 ( pb + ioFlFndrInfo + fdFlags ) ) ;
//!! times
return noErr ;
}
// Query file/directory attributes
static int16 fs_get_cat_info ( uint32 pb )
{
1999-10-20 17:23:57 +00:00
D ( bug ( " fs_get_cat_info(%08lx), vRefNum %d, name %.31s, idx %d, dirID %d \n " , pb , ReadMacInt16 ( pb + ioVRefNum ) , Mac2HostAddr ( ReadMacInt32 ( pb + ioNamePtr ) + 1 ) , ReadMacInt16 ( pb + ioFDirIndex ) , ReadMacInt32 ( pb + ioDirID ) ) ) ;
1999-10-19 17:41:44 +00:00
FSItem * fs_item ;
1999-10-27 16:59:54 +00:00
int16 dir_index = ReadMacInt16 ( pb + ioFDirIndex ) ;
1999-10-20 17:23:57 +00:00
if ( dir_index < 0 ) { // Query directory specified by ioDirID
1999-10-19 17:41:44 +00:00
// Find FSItem for directory
fs_item = find_fsitem_by_id ( ReadMacInt32 ( pb + ioDrDirID ) ) ;
if ( fs_item = = NULL )
return dirNFErr ;
get_path_for_fsitem ( fs_item ) ;
} else if ( dir_index = = 0 ) { // Query item specified by ioDirID and ioNamePtr
// Find FSItem for given file/dir
int16 result = get_item_and_path ( pb , ReadMacInt32 ( pb + ioDirID ) , fs_item ) ;
if ( result ! = noErr )
return result ;
} else { // Query item in directory specified by ioDirID by index
// Find FSItem for parent directory
int16 result ;
uint32 current_dir ;
if ( ( result = get_current_dir ( pb , ReadMacInt32 ( pb + ioDirID ) , current_dir , true ) ) ! = noErr )
return result ;
FSItem * p = find_fsitem_by_id ( current_dir ) ;
if ( p = = NULL )
return dirNFErr ;
get_path_for_fsitem ( p ) ;
// Look for nth item in directory and add name to path
DIR * d = opendir ( full_path ) ;
if ( d = = NULL )
return dirNFErr ;
struct dirent * de = NULL ;
for ( int i = 0 ; i < dir_index ; i + + ) {
read_next_de :
de = readdir ( d ) ;
if ( de = = NULL ) {
closedir ( d ) ;
return fnfErr ;
}
if ( de - > d_name [ 0 ] = = ' . ' )
1999-11-08 16:43:11 +00:00
goto read_next_de ; // Suppress names beginning with '.' (MacOS could interpret these as driver names)
1999-10-19 17:41:44 +00:00
}
1999-10-21 22:40:04 +00:00
add_path_comp ( de - > d_name ) ;
1999-10-19 17:41:44 +00:00
// Get FSItem for queried item
fs_item = find_fsitem ( de - > d_name , p ) ;
closedir ( d ) ;
}
D ( bug ( " path %s \n " , full_path ) ) ;
// Get stats
struct stat st ;
if ( stat ( full_path , & st ) < 0 )
return errno2oserr ( ) ;
if ( dir_index = = - 1 & & ! S_ISDIR ( st . st_mode ) )
return dirNFErr ;
// Fill in struct from fs_item and stats
if ( ReadMacInt32 ( pb + ioNamePtr ) )
cstr2pstr ( ( char * ) Mac2HostAddr ( ReadMacInt32 ( pb + ioNamePtr ) ) , fs_item - > name ) ;
WriteMacInt16 ( pb + ioFRefNum , 0 ) ;
WriteMacInt8 ( pb + ioFlAttrib , ( S_ISDIR ( st . st_mode ) ? faIsDir : 0 ) | ( access ( full_path , W_OK ) = = 0 ? 0 : faLocked ) ) ;
WriteMacInt8 ( pb + ioACUser , 0 ) ;
WriteMacInt32 ( pb + ioDirID , fs_item - > id ) ;
WriteMacInt32 ( pb + ioFlParID , fs_item - > parent_id ) ;
# ifdef __BEOS__
WriteMacInt32 ( pb + ioFlCrDat , st . st_crtime + TIME_OFFSET ) ;
# else
WriteMacInt32 ( pb + ioFlCrDat , 0 ) ;
# endif
time_t mtime = st . st_mtime ;
bool cached = true ;
if ( mtime > fs_item - > mtime ) {
fs_item - > mtime = mtime ;
cached = false ;
}
1999-11-08 16:43:11 +00:00
WriteMacInt32 ( pb + ioFlMdDat , mtime + TIME_OFFSET ) ;
1999-10-19 17:41:44 +00:00
WriteMacInt32 ( pb + ioFlBkDat , 0 ) ;
if ( S_ISDIR ( st . st_mode ) ) {
1999-11-03 10:56:43 +00:00
Mac_memset ( pb + ioDrUsrWds , 0 , SIZEOF_DInfo ) ;
Mac_memset ( pb + ioDrFndrInfo , 0 , SIZEOF_DXInfo ) ;
1999-10-19 17:41:44 +00:00
uint16 fflags ; // pb may point to kernel space, but stack is switched
get_finder_flags ( full_path , fflags ) ;
WriteMacInt16 ( pb + ioDrUsrWds + frFlags , fflags ) ;
// Determine number of files in directory (cached)
int count ;
if ( cached )
count = fs_item - > cache_dircount ;
else {
count = 0 ;
DIR * d = opendir ( full_path ) ;
if ( d ) {
struct dirent * de ;
for ( ; ; ) {
de = readdir ( d ) ;
if ( de = = NULL )
break ;
1999-11-08 16:43:11 +00:00
if ( de - > d_name [ 0 ] = = ' . ' )
continue ; // Suppress names beginning with '.'
1999-10-19 17:41:44 +00:00
count + + ;
}
closedir ( d ) ;
}
fs_item - > cache_dircount = count ;
}
WriteMacInt16 ( pb + ioDrNmFls , count ) ;
} else {
1999-11-03 10:56:43 +00:00
Mac_memset ( pb + ioFlFndrInfo , 0 , SIZEOF_FInfo ) ;
Mac_memset ( pb + ioFlXFndrInfo , 0 , SIZEOF_FXInfo ) ;
1999-10-19 17:41:44 +00:00
uint32 type , creator ; // pb may point to kernel space, but stack is switched
get_finder_type ( full_path , type , creator ) ;
WriteMacInt32 ( pb + ioFlFndrInfo + fdType , type ) ;
WriteMacInt32 ( pb + ioFlFndrInfo + fdCreator , creator ) ;
uint16 fflags ;
get_finder_flags ( full_path , fflags ) ;
WriteMacInt16 ( pb + ioFlFndrInfo + fdFlags , fflags ) ;
WriteMacInt16 ( pb + ioFlStBlk , 0 ) ;
WriteMacInt32 ( pb + ioFlLgLen , st . st_size ) ;
WriteMacInt32 ( pb + ioFlPyLen , ( st . st_size + 1023 ) & ~ 1023 ) ;
WriteMacInt16 ( pb + ioFlRStBlk , 0 ) ;
uint32 rf_size = get_rfork_size ( full_path ) ;
WriteMacInt32 ( pb + ioFlRLgLen , rf_size ) ;
WriteMacInt32 ( pb + ioFlRPyLen , ( rf_size + 1023 ) & ~ 1023 ) ;
WriteMacInt32 ( pb + ioFlClpSiz , 0 ) ;
}
return noErr ;
}
// Set file/directory attributes
static int16 fs_set_cat_info ( uint32 pb )
{
1999-10-20 17:23:57 +00:00
D ( bug ( " fs_set_cat_info(%08lx), vRefNum %d, name %.31s, idx %d, dirID %d \n " , pb , ReadMacInt16 ( pb + ioVRefNum ) , Mac2HostAddr ( ReadMacInt32 ( pb + ioNamePtr ) + 1 ) , ReadMacInt16 ( pb + ioFDirIndex ) , ReadMacInt32 ( pb + ioDirID ) ) ) ;
1999-10-19 17:41:44 +00:00
// Find FSItem for given file/dir
FSItem * fs_item ;
int16 result = get_item_and_path ( pb , ReadMacInt32 ( pb + ioDirID ) , fs_item ) ;
if ( result ! = noErr )
return result ;
// Get stats
struct stat st ;
if ( stat ( full_path , & st ) < 0 )
return errno2oserr ( ) ;
// Set attributes
if ( S_ISDIR ( st . st_mode ) )
set_finder_flags ( full_path , ReadMacInt16 ( pb + ioDrUsrWds + frFlags ) ) ;
else {
set_finder_type ( full_path , ReadMacInt32 ( pb + ioFlFndrInfo + fdType ) , ReadMacInt32 ( pb + ioFlFndrInfo + fdCreator ) ) ;
set_finder_flags ( full_path , ReadMacInt16 ( pb + ioFlFndrInfo + fdFlags ) ) ;
}
//!! times
return noErr ;
}
// Open file
static int16 fs_open ( uint32 pb , uint32 dirID , uint32 vcb , bool resource_fork )
{
1999-10-20 17:23:57 +00:00
D ( bug ( " fs_open(%08lx), %s, vRefNum %d, name %.31s, dirID %d, perm %d \n " , pb , resource_fork ? " rsrc " : " data " , ReadMacInt16 ( pb + ioVRefNum ) , Mac2HostAddr ( ReadMacInt32 ( pb + ioNamePtr ) + 1 ) , dirID , ReadMacInt8 ( pb + ioPermssn ) ) ) ;
1999-10-19 17:41:44 +00:00
M68kRegisters r ;
// Find FSItem for given file
FSItem * fs_item ;
int16 result = get_item_and_path ( pb , dirID , fs_item ) ;
if ( result ! = noErr )
return result ;
// Convert ioPermssn to open() flag
int flag = 0 ;
bool write_ok = ( access ( full_path , W_OK ) = = 0 ) ;
switch ( ReadMacInt8 ( pb + ioPermssn ) ) {
case fsCurPerm : // Whatever is currently allowed
if ( write_ok )
flag = O_RDWR ;
else
flag = O_RDONLY ;
break ;
case fsRdPerm : // Exclusive read
flag = O_RDONLY ;
break ;
case fsWrPerm : // Exclusive write
flag = O_WRONLY ;
break ;
case fsRdWrPerm : // Exclusive read/write
case fsRdWrShPerm : // Shared read/write
default :
flag = O_RDWR ;
break ;
}
// Try to open and stat the file
int fd = - 1 ;
struct stat st ;
if ( resource_fork ) {
if ( access ( full_path , F_OK ) )
return fnfErr ;
fd = open_rfork ( full_path , flag ) ;
if ( fd > 0 ) {
1999-11-15 15:01:34 +00:00
if ( fstat ( fd , & st ) < 0 ) {
close ( fd ) ;
1999-10-19 17:41:44 +00:00
return errno2oserr ( ) ;
1999-11-15 15:01:34 +00:00
}
1999-10-19 17:41:44 +00:00
} else { // Resource fork not supported, silently ignore it ("pseudo" resource fork)
st . st_size = 0 ;
st . st_mode = 0 ;
}
} else {
fd = open ( full_path , flag ) ;
if ( fd < 0 )
return errno2oserr ( ) ;
1999-11-15 15:01:34 +00:00
if ( fstat ( fd , & st ) < 0 ) {
close ( fd ) ;
1999-10-19 17:41:44 +00:00
return errno2oserr ( ) ;
1999-11-15 15:01:34 +00:00
}
1999-10-19 17:41:44 +00:00
}
// File open, allocate FCB
D ( bug ( " allocating FCB \n " ) ) ;
r . a [ 0 ] = pb + ioRefNum ;
r . a [ 1 ] = fs_data + fsReturn ;
Execute68k ( fs_data + fsAllocateFCB , & r ) ;
uint32 fcb = ReadMacInt32 ( fs_data + fsReturn ) ;
D ( bug ( " UTAllocateFCB() returned %d, fRefNum %d, fcb %08lx \n " , r . d [ 0 ] , ReadMacInt16 ( pb + ioRefNum ) , fcb ) ) ;
if ( r . d [ 0 ] & 0xffff ) {
close ( fd ) ;
return r . d [ 0 ] ;
}
// Initialize FCB, fd is stored in fcbCatPos
WriteMacInt32 ( fcb + fcbFlNm , fs_item - > id ) ;
WriteMacInt8 ( fcb + fcbFlags , ( ( flag = = O_WRONLY | | flag = = O_RDWR ) ? fcbWriteMask : 0 ) | ( resource_fork ? fcbResourceMask : 0 ) | ( write_ok ? 0 : fcbFileLockedMask ) ) ;
WriteMacInt32 ( fcb + fcbEOF , st . st_size ) ;
WriteMacInt32 ( fcb + fcbPLen , ( st . st_size + 1023 ) & ~ 1023 ) ;
WriteMacInt32 ( fcb + fcbCrPs , 0 ) ;
WriteMacInt32 ( fcb + fcbVPtr , vcb ) ;
WriteMacInt32 ( fcb + fcbClmpSize , 1024 ) ;
1999-11-15 15:01:34 +00:00
uint32 type , creator ; // BeOS: fcb may point to kernel space, but stack is switched
1999-10-19 17:41:44 +00:00
get_finder_type ( full_path , type , creator ) ;
WriteMacInt32 ( fcb + fcbFType , type ) ;
WriteMacInt32 ( fcb + fcbCatPos , fd ) ;
WriteMacInt32 ( fcb + fcbDirID , fs_item - > parent_id ) ;
cstr2pstr ( ( char * ) Mac2HostAddr ( fcb + fcbCName ) , fs_item - > name ) ;
return noErr ;
}
// Close file
static int16 fs_close ( uint32 pb )
{
D ( bug ( " fs_close(%08lx), refNum %d \n " , pb , ReadMacInt16 ( pb + ioRefNum ) ) ) ;
M68kRegisters r ;
// Find FCB and fd for file
uint32 fcb = find_fcb ( ReadMacInt16 ( pb + ioRefNum ) ) ;
if ( fcb = = 0 )
return rfNumErr ;
if ( ReadMacInt32 ( fcb + fcbFlNm ) = = 0 )
return fnOpnErr ;
int fd = ReadMacInt32 ( fcb + fcbCatPos ) ;
// Close file
if ( ReadMacInt8 ( fcb + fcbFlags ) & fcbResourceMask ) {
FSItem * item = find_fsitem_by_id ( ReadMacInt32 ( fcb + fcbFlNm ) ) ;
if ( item ) {
get_path_for_fsitem ( item ) ;
close_rfork ( full_path , fd ) ;
}
} else
close ( fd ) ;
WriteMacInt32 ( fcb + fcbCatPos , ( uint32 ) - 1 ) ;
// Release FCB
D ( bug ( " releasing FCB \n " ) ) ;
r . d [ 0 ] = ReadMacInt16 ( pb + ioRefNum ) ;
Execute68k ( fs_data + fsReleaseFCB , & r ) ;
D ( bug ( " UTReleaseFCB() returned %d \n " , r . d [ 0 ] ) ) ;
return r . d [ 0 ] ;
}
// Query information about FCB (FCBPBRec)
static int16 fs_get_fcb_info ( uint32 pb , uint32 vcb )
{
D ( bug ( " fs_get_fcb_info(%08lx), vRefNum %d, refNum %d, idx %d \n " , pb , ReadMacInt16 ( pb + ioVRefNum ) , ReadMacInt16 ( pb + ioRefNum ) , ReadMacInt16 ( pb + ioFCBIndx ) ) ) ;
M68kRegisters r ;
uint32 fcb = 0 ;
if ( ReadMacInt16 ( pb + ioFCBIndx ) = = 0 ) { // Get information about single file
// Find FCB for file
fcb = find_fcb ( ReadMacInt16 ( pb + ioRefNum ) ) ;
} else { // Get information about file specified by index
// Find FCB by index
WriteMacInt16 ( pb + ioRefNum , 0 ) ;
for ( int i = 0 ; i < ReadMacInt16 ( pb + ioFCBIndx ) ; i + + ) {
D ( bug ( " indexing FCBs \n " ) ) ;
r . a [ 0 ] = vcb ;
r . a [ 1 ] = pb + ioRefNum ;
r . a [ 2 ] = fs_data + fsReturn ;
Execute68k ( fs_data + fsIndexFCB , & r ) ;
fcb = ReadMacInt32 ( fs_data + fsReturn ) ;
D ( bug ( " UTIndexFCB() returned %d, fcb %p \n " , r . d [ 0 ] , fcb ) ) ;
if ( r . d [ 0 ] & 0xffff )
return r . d [ 0 ] ;
}
}
if ( fcb = = 0 )
return rfNumErr ;
// Copy information from FCB
if ( ReadMacInt32 ( pb + ioNamePtr ) )
pstrcpy ( ( char * ) Mac2HostAddr ( ReadMacInt32 ( pb + ioNamePtr ) ) , ( char * ) Mac2HostAddr ( fcb + fcbCName ) ) ;
WriteMacInt32 ( pb + ioFCBFlNm , ReadMacInt32 ( fcb + fcbFlNm ) ) ;
WriteMacInt8 ( pb + ioFCBFlags , ReadMacInt8 ( fcb + fcbFlags ) ) ;
WriteMacInt16 ( pb + ioFCBStBlk , ReadMacInt16 ( fcb + fcbSBlk ) ) ;
WriteMacInt32 ( pb + ioFCBEOF , ReadMacInt32 ( fcb + fcbEOF ) ) ;
WriteMacInt32 ( pb + ioFCBPLen , ReadMacInt32 ( fcb + fcbPLen ) ) ;
WriteMacInt32 ( pb + ioFCBCrPs , ReadMacInt32 ( fcb + fcbCrPs ) ) ;
WriteMacInt16 ( pb + ioFCBVRefNum , ReadMacInt16 ( ReadMacInt32 ( fcb + fcbVPtr ) + vcbVRefNum ) ) ;
WriteMacInt32 ( pb + ioFCBClpSiz , ReadMacInt32 ( fcb + fcbClmpSize ) ) ;
WriteMacInt32 ( pb + ioFCBParID , ReadMacInt32 ( fcb + fcbDirID ) ) ;
return noErr ;
}
// Obtain logical size of an open file
static int16 fs_get_eof ( uint32 pb )
{
D ( bug ( " fs_get_eof(%08lx), refNum %d \n " , pb , ReadMacInt16 ( pb + ioRefNum ) ) ) ;
M68kRegisters r ;
// Find FCB and fd for file
uint32 fcb = find_fcb ( ReadMacInt16 ( pb + ioRefNum ) ) ;
if ( fcb = = 0 )
return rfNumErr ;
if ( ReadMacInt32 ( fcb + fcbFlNm ) = = 0 )
return fnOpnErr ;
int fd = ReadMacInt32 ( fcb + fcbCatPos ) ;
if ( fd < 0 )
if ( ReadMacInt8 ( fcb + fcbFlags ) & fcbResourceMask ) { // "pseudo" resource fork
WriteMacInt32 ( pb + ioMisc , 0 ) ;
return noErr ;
} else
return fnOpnErr ;
// Get file size
struct stat st ;
if ( fstat ( fd , & st ) < 0 )
return errno2oserr ( ) ;
// Adjust FCBs
WriteMacInt32 ( fcb + fcbEOF , st . st_size ) ;
WriteMacInt32 ( fcb + fcbPLen , ( st . st_size + 1023 ) & ~ 1023 ) ;
WriteMacInt32 ( pb + ioMisc , st . st_size ) ;
D ( bug ( " adjusting FCBs \n " ) ) ;
r . d [ 0 ] = ReadMacInt16 ( pb + ioRefNum ) ;
Execute68k ( fs_data + fsAdjustEOF , & r ) ;
D ( bug ( " UTAdjustEOF() returned %d \n " , r . d [ 0 ] ) ) ;
return noErr ;
}
// Truncate file
static int16 fs_set_eof ( uint32 pb )
{
D ( bug ( " fs_set_eof(%08lx), refNum %d, size %d \n " , pb , ReadMacInt16 ( pb + ioRefNum ) , ReadMacInt32 ( pb + ioMisc ) ) ) ;
M68kRegisters r ;
// Find FCB and fd for file
uint32 fcb = find_fcb ( ReadMacInt16 ( pb + ioRefNum ) ) ;
if ( fcb = = 0 )
return rfNumErr ;
if ( ReadMacInt32 ( fcb + fcbFlNm ) = = 0 )
return fnOpnErr ;
int fd = ReadMacInt32 ( fcb + fcbCatPos ) ;
if ( fd < 0 )
if ( ReadMacInt8 ( fcb + fcbFlags ) & fcbResourceMask ) // "pseudo" resource fork
return noErr ;
else
return fnOpnErr ;
// Truncate file
uint32 size = ReadMacInt32 ( pb + ioMisc ) ;
if ( ftruncate ( fd , size ) < 0 )
return errno2oserr ( ) ;
// Adjust FCBs
WriteMacInt32 ( fcb + fcbEOF , size ) ;
WriteMacInt32 ( fcb + fcbPLen , ( size + 1023 ) & ~ 1023 ) ;
D ( bug ( " adjusting FCBs \n " ) ) ;
r . d [ 0 ] = ReadMacInt16 ( pb + ioRefNum ) ;
Execute68k ( fs_data + fsAdjustEOF , & r ) ;
D ( bug ( " UTAdjustEOF() returned %d \n " , r . d [ 0 ] ) ) ;
return noErr ;
}
// Query current file position
static int16 fs_get_fpos ( uint32 pb )
{
D ( bug ( " fs_get_fpos(%08lx), refNum %d \n " , pb , ReadMacInt16 ( pb + ioRefNum ) ) ) ;
WriteMacInt32 ( pb + ioReqCount , 0 ) ;
WriteMacInt32 ( pb + ioActCount , 0 ) ;
WriteMacInt16 ( pb + ioPosMode , 0 ) ;
// Find FCB and fd for file
uint32 fcb = find_fcb ( ReadMacInt16 ( pb + ioRefNum ) ) ;
if ( fcb = = 0 )
return rfNumErr ;
if ( ReadMacInt32 ( fcb + fcbFlNm ) = = 0 )
return fnOpnErr ;
int fd = ReadMacInt32 ( fcb + fcbCatPos ) ;
if ( fd < 0 )
if ( ReadMacInt8 ( fcb + fcbFlags ) & fcbResourceMask ) { // "pseudo" resource fork
WriteMacInt32 ( pb + ioPosOffset , 0 ) ;
return noErr ;
} else
return fnOpnErr ;
// Get file position
uint32 pos = lseek ( fd , 0 , SEEK_CUR ) ;
WriteMacInt32 ( fcb + fcbCrPs , pos ) ;
WriteMacInt32 ( pb + ioPosOffset , pos ) ;
return noErr ;
}
// Set current file position
static int16 fs_set_fpos ( uint32 pb )
{
D ( bug ( " fs_set_fpos(%08lx), refNum %d, posMode %d, offset %d \n " , pb , ReadMacInt16 ( pb + ioRefNum ) , ReadMacInt16 ( pb + ioPosMode ) , ReadMacInt32 ( pb + ioPosOffset ) ) ) ;
// Find FCB and fd for file
uint32 fcb = find_fcb ( ReadMacInt16 ( pb + ioRefNum ) ) ;
if ( fcb = = 0 )
return rfNumErr ;
if ( ReadMacInt32 ( fcb + fcbFlNm ) = = 0 )
return fnOpnErr ;
int fd = ReadMacInt32 ( fcb + fcbCatPos ) ;
if ( fd < 0 )
if ( ReadMacInt8 ( fcb + fcbFlags ) & fcbResourceMask ) { // "pseudo" resource fork
WriteMacInt32 ( pb + ioPosOffset , 0 ) ;
return noErr ;
} else
return fnOpnErr ;
// Set file position
switch ( ReadMacInt16 ( pb + ioPosMode ) ) {
case fsFromStart :
if ( lseek ( fd , ReadMacInt32 ( pb + ioPosOffset ) , SEEK_SET ) < 0 )
return posErr ;
break ;
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case fsFromLEOF :
if ( lseek ( fd , ( int32 ) ReadMacInt32 ( pb + ioPosOffset ) , SEEK_END ) < 0 )
return posErr ;
break ;
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case fsFromMark :
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if ( lseek ( fd , ( int32 ) ReadMacInt32 ( pb + ioPosOffset ) , SEEK_CUR ) < 0 )
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return posErr ;
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break ;
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default :
break ;
}
uint32 pos = lseek ( fd , 0 , SEEK_CUR ) ;
WriteMacInt32 ( fcb + fcbCrPs , pos ) ;
WriteMacInt32 ( pb + ioPosOffset , pos ) ;
return noErr ;
}
// Read from file
static int16 fs_read ( uint32 pb )
{
D ( bug ( " fs_read(%08lx), refNum %d, buffer %p, count %d, posMode %d, posOffset %d \n " , pb , ReadMacInt16 ( pb + ioRefNum ) , ReadMacInt32 ( pb + ioBuffer ) , ReadMacInt32 ( pb + ioReqCount ) , ReadMacInt16 ( pb + ioPosMode ) , ReadMacInt32 ( pb + ioPosOffset ) ) ) ;
// Find FCB and fd for file
uint32 fcb = find_fcb ( ReadMacInt16 ( pb + ioRefNum ) ) ;
if ( fcb = = 0 )
return rfNumErr ;
if ( ReadMacInt32 ( fcb + fcbFlNm ) = = 0 )
return fnOpnErr ;
int fd = ReadMacInt32 ( fcb + fcbCatPos ) ;
if ( fd < 0 )
if ( ReadMacInt8 ( fcb + fcbFlags ) & fcbResourceMask ) { // "pseudo" resource fork
WriteMacInt32 ( pb + ioActCount , 0 ) ;
return eofErr ;
} else
return fnOpnErr ;
// Seek
switch ( ReadMacInt16 ( pb + ioPosMode ) & 3 ) {
case fsFromStart :
if ( lseek ( fd , ReadMacInt32 ( pb + ioPosOffset ) , SEEK_SET ) < 0 )
return posErr ;
break ;
case fsFromLEOF :
if ( lseek ( fd , ( int32 ) ReadMacInt32 ( pb + ioPosOffset ) , SEEK_END ) < 0 )
return posErr ;
break ;
case fsFromMark :
if ( lseek ( fd , ( int32 ) ReadMacInt32 ( pb + ioPosOffset ) , SEEK_CUR ) < 0 )
return posErr ;
break ;
}
// Read
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ssize_t actual = extfs_read ( fd , Mac2HostAddr ( ReadMacInt32 ( pb + ioBuffer ) ) , ReadMacInt32 ( pb + ioReqCount ) ) ;
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int16 read_err = errno2oserr ( ) ;
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D ( bug ( " actual %d \n " , actual ) ) ;
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WriteMacInt32 ( pb + ioActCount , actual > = 0 ? actual : 0 ) ;
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uint32 pos = lseek ( fd , 0 , SEEK_CUR ) ;
WriteMacInt32 ( fcb + fcbCrPs , pos ) ;
WriteMacInt32 ( pb + ioPosOffset , pos ) ;
if ( actual ! = ReadMacInt32 ( pb + ioReqCount ) )
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return actual < 0 ? read_err : eofErr ;
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else
return noErr ;
}
// Write to file
static int16 fs_write ( uint32 pb )
{
D ( bug ( " fs_write(%08lx), refNum %d, buffer %p, count %d, posMode %d, posOffset %d \n " , pb , ReadMacInt16 ( pb + ioRefNum ) , ReadMacInt32 ( pb + ioBuffer ) , ReadMacInt32 ( pb + ioReqCount ) , ReadMacInt16 ( pb + ioPosMode ) , ReadMacInt32 ( pb + ioPosOffset ) ) ) ;
// Find FCB and fd for file
uint32 fcb = find_fcb ( ReadMacInt16 ( pb + ioRefNum ) ) ;
if ( fcb = = 0 )
return rfNumErr ;
if ( ReadMacInt32 ( fcb + fcbFlNm ) = = 0 )
return fnOpnErr ;
int fd = ReadMacInt32 ( fcb + fcbCatPos ) ;
if ( fd < 0 )
if ( ReadMacInt8 ( fcb + fcbFlags ) & fcbResourceMask ) { // "pseudo" resource fork
WriteMacInt32 ( pb + ioActCount , ReadMacInt32 ( pb + ioReqCount ) ) ;
return noErr ;
} else
return fnOpnErr ;
// Seek
switch ( ReadMacInt16 ( pb + ioPosMode ) & 3 ) {
case fsFromStart :
if ( lseek ( fd , ReadMacInt32 ( pb + ioPosOffset ) , SEEK_SET ) < 0 )
return posErr ;
break ;
case fsFromLEOF :
if ( lseek ( fd , ( int32 ) ReadMacInt32 ( pb + ioPosOffset ) , SEEK_END ) < 0 )
return posErr ;
break ;
case fsFromMark :
if ( lseek ( fd , ( int32 ) ReadMacInt32 ( pb + ioPosOffset ) , SEEK_CUR ) < 0 )
return posErr ;
break ;
}
// Write
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ssize_t actual = extfs_write ( fd , Mac2HostAddr ( ReadMacInt32 ( pb + ioBuffer ) ) , ReadMacInt32 ( pb + ioReqCount ) ) ;
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int16 write_err = errno2oserr ( ) ;
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D ( bug ( " actual %d \n " , actual ) ) ;
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WriteMacInt32 ( pb + ioActCount , actual > = 0 ? actual : 0 ) ;
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uint32 pos = lseek ( fd , 0 , SEEK_CUR ) ;
WriteMacInt32 ( fcb + fcbCrPs , pos ) ;
WriteMacInt32 ( pb + ioPosOffset , pos ) ;
if ( actual ! = ReadMacInt32 ( pb + ioReqCount ) )
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return write_err ;
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else
return noErr ;
}
// Create file
static int16 fs_create ( uint32 pb , uint32 dirID )
{
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D ( bug ( " fs_create(%08lx), vRefNum %d, name %.31s, dirID %d \n " , pb , ReadMacInt16 ( pb + ioVRefNum ) , Mac2HostAddr ( ReadMacInt32 ( pb + ioNamePtr ) + 1 ) , dirID ) ) ;
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// Find FSItem for given file
FSItem * fs_item ;
int16 result = get_item_and_path ( pb , dirID , fs_item ) ;
if ( result ! = noErr )
return result ;
// Does the file already exist?
if ( access ( full_path , F_OK ) = = 0 )
return dupFNErr ;
// Create file
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int fd = creat ( full_path , 0666 ) ;
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if ( fd < 0 )
return errno2oserr ( ) ;
else {
close ( fd ) ;
return noErr ;
}
}
// Create directory
static int16 fs_dir_create ( uint32 pb )
{
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D ( bug ( " fs_dir_create(%08lx), vRefNum %d, name %.31s, dirID %d \n " , pb , ReadMacInt16 ( pb + ioVRefNum ) , Mac2HostAddr ( ReadMacInt32 ( pb + ioNamePtr ) + 1 ) , ReadMacInt32 ( pb + ioDirID ) ) ) ;
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// Find FSItem for given directory
FSItem * fs_item ;
int16 result = get_item_and_path ( pb , ReadMacInt32 ( pb + ioDirID ) , fs_item ) ;
if ( result ! = noErr )
return result ;
// Does the directory already exist?
if ( access ( full_path , F_OK ) = = 0 )
return dupFNErr ;
// Create directory
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if ( mkdir ( full_path , 0777 ) < 0 )
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return errno2oserr ( ) ;
else {
WriteMacInt32 ( pb + ioDirID , fs_item - > id ) ;
return noErr ;
}
}
// Delete file/directory
static int16 fs_delete ( uint32 pb , uint32 dirID )
{
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D ( bug ( " fs_delete(%08lx), vRefNum %d, name %.31s, dirID %d \n " , pb , ReadMacInt16 ( pb + ioVRefNum ) , Mac2HostAddr ( ReadMacInt32 ( pb + ioNamePtr ) + 1 ) , dirID ) ) ;
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// Find FSItem for given file/dir
FSItem * fs_item ;
int16 result = get_item_and_path ( pb , dirID , fs_item ) ;
if ( result ! = noErr )
return result ;
// Delete file
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if ( ! extfs_remove ( full_path ) )
return errno2oserr ( ) ;
else
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return noErr ;
}
// Rename file/directory
static int16 fs_rename ( uint32 pb , uint32 dirID )
{
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D ( bug ( " fs_rename(%08lx), vRefNum %d, name %.31s, dirID %d, new name %.31s \n " , pb , ReadMacInt16 ( pb + ioVRefNum ) , Mac2HostAddr ( ReadMacInt32 ( pb + ioNamePtr ) + 1 ) , dirID , Mac2HostAddr ( ReadMacInt32 ( pb + ioMisc ) + 1 ) ) ) ;
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// Find path of given file/dir
FSItem * fs_item ;
int16 result = get_item_and_path ( pb , dirID , fs_item ) ;
if ( result ! = noErr )
return result ;
// Save path of existing item
char old_path [ MAX_PATH_LENGTH ] ;
strcpy ( old_path , full_path ) ;
// Find path for new name
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Mac2Mac_memcpy ( fs_data + fsPB , pb , SIZEOF_IOParam ) ;
WriteMacInt32 ( fs_data + fsPB + ioNamePtr , ReadMacInt32 ( pb + ioMisc ) ) ;
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FSItem * new_item ;
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result = get_item_and_path ( fs_data + fsPB , dirID , new_item ) ;
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if ( result ! = noErr )
return result ;
// Does the new name already exist?
if ( access ( full_path , F_OK ) = = 0 )
return dupFNErr ;
// Rename item
D ( bug ( " renaming %s -> %s \n " , old_path , full_path ) ) ;
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if ( ! extfs_rename ( old_path , full_path ) )
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return errno2oserr ( ) ;
else {
// The ID of the old file/dir has to stay the same, so we swap the IDs of the FSItems
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swap_parent_ids ( fs_item - > id , new_item - > id ) ;
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uint32 t = fs_item - > id ;
fs_item - > id = new_item - > id ;
new_item - > id = t ;
return noErr ;
}
}
// Move file/directory (CMovePBRec)
static int16 fs_cat_move ( uint32 pb )
{
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D ( bug ( " fs_cat_move(%08lx), vRefNum %d, name %.31s, dirID %d, new name %.31s, new dirID %d \n " , pb , ReadMacInt16 ( pb + ioVRefNum ) , Mac2HostAddr ( ReadMacInt32 ( pb + ioNamePtr ) + 1 ) , ReadMacInt32 ( pb + ioDirID ) , Mac2HostAddr ( ReadMacInt32 ( pb + ioNewName ) + 1 ) , ReadMacInt32 ( pb + ioNewDirID ) ) ) ;
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// Find path of given file/dir
FSItem * fs_item ;
int16 result = get_item_and_path ( pb , ReadMacInt32 ( pb + ioDirID ) , fs_item ) ;
if ( result ! = noErr )
return result ;
// Save path of existing item
char old_path [ MAX_PATH_LENGTH ] ;
strcpy ( old_path , full_path ) ;
// Find path for new directory
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Mac2Mac_memcpy ( fs_data + fsPB , pb , SIZEOF_IOParam ) ;
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WriteMacInt32 ( fs_data + fsPB + ioNamePtr , ReadMacInt32 ( pb + ioNewName ) ) ;
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FSItem * new_dir_item ;
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result = get_item_and_path ( fs_data + fsPB , ReadMacInt32 ( pb + ioNewDirID ) , new_dir_item ) ;
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if ( result ! = noErr )
return result ;
// Append old file/dir name
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add_path_comp ( fs_item - > name ) ;
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// Does the new name already exist?
if ( access ( full_path , F_OK ) = = 0 )
return dupFNErr ;
// Move item
D ( bug ( " moving %s -> %s \n " , old_path , full_path ) ) ;
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if ( ! extfs_rename ( old_path , full_path ) )
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return errno2oserr ( ) ;
else {
// The ID of the old file/dir has to stay the same, so we swap the IDs of the FSItems
FSItem * new_item = find_fsitem ( fs_item - > name , new_dir_item ) ;
if ( new_item ) {
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swap_parent_ids ( fs_item - > id , new_item - > id ) ;
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uint32 t = fs_item - > id ;
fs_item - > id = new_item - > id ;
new_item - > id = t ;
}
return noErr ;
}
}
// Open working directory (WDParam)
static int16 fs_open_wd ( uint32 pb )
{
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D ( bug ( " fs_open_wd(%08lx), vRefNum %d, name %.31s, dirID %d \n " , pb , ReadMacInt16 ( pb + ioVRefNum ) , Mac2HostAddr ( ReadMacInt32 ( pb + ioNamePtr ) + 1 ) , ReadMacInt32 ( pb + ioWDDirID ) ) ) ;
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M68kRegisters r ;
// Allocate WDCB
D ( bug ( " allocating WDCB \n " ) ) ;
r . a [ 0 ] = pb ;
Execute68k ( fs_data + fsAllocateWDCB , & r ) ;
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D ( bug ( " UTAllocateWDCB returned %d, refNum is %d \n " , r . d [ 0 ] , ReadMacInt16 ( pb + ioVRefNum ) ) ) ;
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return r . d [ 0 ] ;
}
// Close working directory (WDParam)
static int16 fs_close_wd ( uint32 pb )
{
D ( bug ( " fs_close_wd(%08lx), vRefNum %d \n " , pb , ReadMacInt16 ( pb + ioVRefNum ) ) ) ;
M68kRegisters r ;
// Release WDCB
D ( bug ( " releasing WDCB \n " ) ) ;
r . d [ 0 ] = ReadMacInt16 ( pb + ioVRefNum ) ;
Execute68k ( fs_data + fsReleaseWDCB , & r ) ;
D ( bug ( " UTReleaseWDCB returned %d \n " , r . d [ 0 ] ) ) ;
return r . d [ 0 ] ;
}
// Query information about working directory (WDParam)
static int16 fs_get_wd_info ( uint32 pb , uint32 vcb )
{
D ( bug ( " fs_get_wd_info(%08lx), vRefNum %d, idx %d, procID %d \n " , pb , ReadMacInt16 ( pb + ioVRefNum ) , ReadMacInt16 ( pb + ioWDIndex ) , ReadMacInt32 ( pb + ioWDProcID ) ) ) ;
M68kRegisters r ;
// Querying volume?
if ( ReadMacInt16 ( pb + ioWDIndex ) = = 0 & & ReadMacInt16 ( pb + ioVRefNum ) = = ReadMacInt16 ( vcb + vcbVRefNum ) ) {
WriteMacInt32 ( pb + ioWDProcID , 0 ) ;
WriteMacInt16 ( pb + ioWDVRefNum , ReadMacInt16 ( vcb + vcbVRefNum ) ) ;
if ( ReadMacInt32 ( pb + ioNamePtr ) )
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Mac2Mac_memcpy ( ReadMacInt32 ( pb + ioNamePtr ) , vcb + vcbVN , 28 ) ;
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WriteMacInt32 ( pb + ioWDDirID , ROOT_ID ) ;
return noErr ;
}
// Resolve WDCB
D ( bug ( " resolving WDCB \n " ) ) ;
r . d [ 0 ] = ReadMacInt32 ( pb + ioWDProcID ) ;
r . d [ 1 ] = ReadMacInt16 ( pb + ioWDIndex ) ;
r . d [ 2 ] = ReadMacInt16 ( pb + ioVRefNum ) ;
r . a [ 0 ] = fs_data + fsReturn ;
Execute68k ( fs_data + fsResolveWDCB , & r ) ;
uint32 wdcb = ReadMacInt32 ( fs_data + fsReturn ) ;
D ( bug ( " UTResolveWDCB() returned %d, dirID %d \n " , r . d [ 0 ] , ReadMacInt32 ( wdcb + wdDirID ) ) ) ;
if ( r . d [ 0 ] & 0xffff )
return r . d [ 0 ] ;
// Return information
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WriteMacInt32 ( pb + ioWDProcID , ReadMacInt32 ( wdcb + wdProcID ) ) ;
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WriteMacInt16 ( pb + ioWDVRefNum , ReadMacInt16 ( ReadMacInt32 ( wdcb + wdVCBPtr ) + vcbVRefNum ) ) ;
if ( ReadMacInt32 ( pb + ioNamePtr ) )
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Mac2Mac_memcpy ( ReadMacInt32 ( pb + ioNamePtr ) , ReadMacInt32 ( wdcb + wdVCBPtr ) + vcbVN , 28 ) ;
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WriteMacInt32 ( pb + ioWDDirID , ReadMacInt32 ( wdcb + wdDirID ) ) ;
return noErr ;
}
// Main dispatch routine
int16 ExtFSHFS ( uint32 vcb , uint16 selectCode , uint32 paramBlock , uint32 globalsPtr , int16 fsid )
{
uint16 trapWord = selectCode & 0xf0ff ;
bool hfs = selectCode & kHFSMask ;
switch ( trapWord ) {
case kFSMOpen :
return fs_open ( paramBlock , hfs ? ReadMacInt32 ( paramBlock + ioDirID ) : 0 , vcb , false ) ;
case kFSMClose :
return fs_close ( paramBlock ) ;
case kFSMRead :
return fs_read ( paramBlock ) ;
case kFSMWrite :
return fs_write ( paramBlock ) ;
case kFSMGetVolInfo :
return fs_get_vol_info ( paramBlock , hfs ) ;
case kFSMCreate :
return fs_create ( paramBlock , hfs ? ReadMacInt32 ( paramBlock + ioDirID ) : 0 ) ;
case kFSMDelete :
return fs_delete ( paramBlock , hfs ? ReadMacInt32 ( paramBlock + ioDirID ) : 0 ) ;
case kFSMOpenRF :
return fs_open ( paramBlock , hfs ? ReadMacInt32 ( paramBlock + ioDirID ) : 0 , vcb , true ) ;
case kFSMRename :
return fs_rename ( paramBlock , hfs ? ReadMacInt32 ( paramBlock + ioDirID ) : 0 ) ;
case kFSMGetFileInfo :
return fs_get_file_info ( paramBlock , hfs , hfs ? ReadMacInt32 ( paramBlock + ioDirID ) : 0 ) ;
case kFSMSetFileInfo :
return fs_set_file_info ( paramBlock , hfs , hfs ? ReadMacInt32 ( paramBlock + ioDirID ) : 0 ) ;
case kFSMUnmountVol :
return fs_unmount_vol ( vcb ) ;
case kFSMMountVol :
return fs_mount_vol ( paramBlock ) ;
case kFSMAllocate :
D ( bug ( " allocate \n " ) ) ;
WriteMacInt32 ( paramBlock + ioActCount , ReadMacInt32 ( paramBlock + ioReqCount ) ) ;
return noErr ;
case kFSMGetEOF :
return fs_get_eof ( paramBlock ) ;
case kFSMSetEOF :
return fs_set_eof ( paramBlock ) ;
case kFSMGetVol :
return fs_get_vol ( paramBlock ) ;
case kFSMSetVol :
return fs_set_vol ( paramBlock , hfs , vcb ) ;
case kFSMEject :
D ( bug ( " eject \n " ) ) ;
return noErr ;
case kFSMGetFPos :
return fs_get_fpos ( paramBlock ) ;
case kFSMOffline :
D ( bug ( " offline \n " ) ) ;
return noErr ;
case kFSMSetFilLock :
return noErr ; //!!
case kFSMRstFilLock :
return noErr ; //!!
case kFSMSetFPos :
return fs_set_fpos ( paramBlock ) ;
case kFSMOpenWD :
return fs_open_wd ( paramBlock ) ;
case kFSMCloseWD :
return fs_close_wd ( paramBlock ) ;
case kFSMCatMove :
return fs_cat_move ( paramBlock ) ;
case kFSMDirCreate :
return fs_dir_create ( paramBlock ) ;
case kFSMGetWDInfo :
return fs_get_wd_info ( paramBlock , vcb ) ;
case kFSMGetFCBInfo :
return fs_get_fcb_info ( paramBlock , vcb ) ;
case kFSMGetCatInfo :
return fs_get_cat_info ( paramBlock ) ;
case kFSMSetCatInfo :
return fs_set_cat_info ( paramBlock ) ;
case kFSMSetVolInfo :
return fs_set_vol_info ( paramBlock ) ;
case kFSMGetVolParms :
return fs_get_vol_parms ( paramBlock ) ;
case kFSMVolumeMount :
return fs_volume_mount ( paramBlock ) ;
case kFSMFlushVol :
case kFSMFlushFile :
D ( bug ( " flush_vol/flush_file \n " ) ) ;
return noErr ;
default :
D ( bug ( " ExtFSHFS(%08lx, %04x, %08lx, %08lx, %d) \n " , vcb , selectCode , paramBlock , globalsPtr , fsid ) ) ;
return paramErr ;
}
}