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wine/msdos/int21.c
Alexandre Julliard c7c217b31c Release 980413 
Sun Apr 12 12:22:23 1997  Andreas Mohr <100.30936@germany.net>

	* [files/drive.c]
	Fixed "no free space" problem with partition sizes between 1 and 2 GB
	(cluster_sectors may not exceed 0x40).

	* [windows/msgbox.c] [if1632/user.spec] [include/windows.h]
	Implemented MessageBoxIndirect16, corrected MSGBOXPARAMS16.

	* [loader/task.c]
	DOS environment strings may never exceed 127 chars
	-> truncate Unix environment strings if necessary.

Sun Apr 12 02:51:44 1998  Dimitrie O. Paun  <dimi@mail.cs.toronto.edu>

	* [files/*.c]
	All fprintf statements were converted to appropriate debug
	messages.

	* [tools/find_debug_channels]
	Updated comments at the beginning of the file.

Sat Apr 11 15:27:21 1998  Alexandre Julliard  <julliard@lrc.epfl.ch>

	* [loader/module.c] [loader/task.c] [scheduler/process.c]
	Moved some code around to prepare the ground for CreateProcess().

	* [memory/environ.c] [loader/task.c]
	Moved Win32 environment strings functions to environ.c.
	Unified Win16 and Win32 environment management.

	* [scheduler/handle.c] [scheduler/k32obj.c] [scheduler/*.c]
	Implemented handle inheritance and DuplicateHandle().

	* [scheduler/thread.c]
	Create a 16-bit stack for all threads.

	* [windows/dialog.c]
	Implemented DIALOGEX resource format.

Fri Apr 10 20:21:51 1998  Marcus Meissner <marcus@mud.de>

	* [configure.in][include/acconfig.h][*/*][multimedia/*]
	Cleaned up the OSS detection stuff, added some more checks for
	headerfiles/functions.
	Removed a lot of OS specific #ifdefs.
	Lots of dependend multimedia cleanups.

	* [loader/pe_image.c]
	Enhanced comment, added missing reference count increase.

	* [ole/compobj.c]
	Replaced broken StringFromGUID2 by working one.

	* [misc/winsock.c]
	SO_LINGER uses unsigned 16 bit in Win16 and Win32, but unsigned
	int (32bit) for UNIX.

	* [memory/global.c]
	Allow realloc for lockcount 1 too.

Fri Apr 10 15:27:34 1998  Morten Welinder  <terra@diku.dk>

	* [graphics/x11drv/text.c]
	Handle control characters in trace.  Ignore terminating newline.

	* [multimedia/init.c]
	(MULTIMEDIA_Init): Correct allocations.

	* [tools/examine-relay]
 	Tidy up.

	* [windows/syscolor.c]
	Change highlight colour from lightblue to lightgray.  This
	looks correct for menus.

Fri Apr 10 01:49:58 1998  Douglas Ridgway  <ridgway@winehq.com>

	* [configure.in] [Make.rules.in]
	Add check for c2man before using it.

Fri Apr 10 02:59:21 1998  Douglas Ridgway  <ridgway@winehq.com>

	* [DEVELOPERS-HINTS]
	Simple description of adding API calls.

	* [include/wintypes.h] [include/windows.h]
	Get rid of Winelib16, avoid declaring some illegal functions in
	Winelib, add prototypes for some enhanced metafile functions, fix
	GetTextExtentPoint32 declarations.

	* [relay32/gdi32.spec] [objects/enhmetafile.c]
	Cosmetic and functional improvements.

	* [include/wincon.h] [programs/view/*]
	Fixes, improved compatibility with native compilers.

Thu Apr  9 15:48:49 1998  Ulrich Weigand <weigand@informatik.uni-erlangen.de>

	* [win32/kernel32.c]
	Implemented FT_Thunk / FT_Prolog / FT_Exit / FT_PrologPrime.
	Fixed Common32ThkLS thunk function.

	* [tools/build.c] [relay32/relay386.c] [if1632/relay.c]
	Changed relay code to allow register functions to modify stack layout.

	* [memory/selector.c]
	Implemented AllocMappedBuffer / FreeMappedBuffer.

	* [relay32/kernel32.spec] [if1632/kernel.spec] [win32/ordinals.c]
	Added names for undocumented functions.

	* [loader/module.c]
	Bugfix: LoadLibrary16 should *not* silently load 32-bit DLL.

Thu Apr  9 03:54:58 1998  Jim Peterson <jspeter@birch.ee.vt.edu>

	* [windows/keyboard.c]
	Fix an erroneous test in TranslateAccelerator{16,32} for the end
	of the accelerator table.

Thu Apr  8 20:36:28 1998  Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de> 

	* [misc/crtdll.c]
	Implement getenv.

	* [misc/commdlg.c]
	Make Get[Save/Open]FileName work in most situations.

	* [misc/lstr.c]
	Use wvsprintf32A instead of vsprintf in FormatMessage32X

	* [misc/version]
	Make NT3.50 a recognised version

	* [graphics/x11drv/graphics.c]
	Change the algorithme to draw arcs

	* [loader/resource.c]
	Return an empty buffer in LoadString32A if no resource found.

	* [win32/code_page.c]
	Try harder to get the right size in MultiByteToWideChar.

	* [win32/process.c]
	Call WinExec32 for CreateProcess32A.

	* [windows/user.c]
	Install default Int0 Handler in InitApp().

Thu Apr  8 19:29:48 1998  Eric Kohl <ekohl@abo.rhein-zeitung.de>

	* [misc/imagelist.c]
	Preliminary fix for drawing selected images.
	Various improvements.

	* [controls/progress.c][include/progress.c][include/commctrl.h]
	Added progress bar messages and styles for IE4.01 (dll version 4.72)
	compatibility.
	Fixed led size problem.

	* [controls/updown.c][include/commctrl.h]
	Added UDM_GETRANGE32 and UDM_SETRANGE32.

	* [objects/oembitmaps.c][include/windows.h][include/bitmaps/*]
	Added Win95 icons and fixed Win95 cursor and restore button bug.
	Now they should be visible. Sorry!!!

	* [relay32/comctl32.spec]
	Added most missing function names.

Tue Apr  6 18:48:36 1998  Matthew Becker <mbecker@glasscity.net>

	* [objects/font.c] [if1632/gdi.spec]
	GetOutlineTextMetrics: stub

	* [objects/text.c]
	GetTextCharset should just call GetTextCharsetInfo.

	* [misc/mpr.c] [relay32/mpr.spec]
	WNetCachePassword: stub

	* [scheduler/thread.c] [relay32/user32.spec]
	AttachThreadInput: stub
	Updated documentation.

	* [objects/palette.c]
	Updated documentation.

Tue Mar 31 17:06:30 1998  James Juran <jrj120@psu.edu>

	* [*/*.c]
	Finished fixing USER32 ordinal numbers in function documentation.

Mon Mar 30 20:27:38 1998  Morten Welinder  <terra@diku.dk>

	* [misc/debugstr.c] [include/debugstr.h]
	Moved _dumpstr from relay32/relay386.c.  Improved control
	character handling.

	* [msdos/int21.c]
	Implement 215E00 -- get machine name.

	* [windows/winpos.c]
	SetWindowPos32: Make an extra sync when mapping managed
	windows.  This makes sure the reconfigure event has been
	handled.  See Mshearts' what's-your-name window.

Mon Mar 30 01:13:50 1998  Alexander V. Lukyanov <lav@long.yar.ru>

	* [Makefile.in]
	Install includes from TOPSRCDIR.
1998-04-13 12:21:30 +00:00

1887 lines
61 KiB
C
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/*
* DOS interrupt 21h handler
*/
#include <time.h>
#include <fcntl.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/file.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include <utime.h>
#include <ctype.h>
#include "windows.h"
#include "drive.h"
#include "file.h"
#include "heap.h"
#include "msdos.h"
#include "ldt.h"
#include "task.h"
#include "options.h"
#include "miscemu.h"
#include "debug.h"
#if defined(__svr4__) || defined(_SCO_DS)
/* SVR4 DOESNT do locking the same way must implement properly */
#define LOCK_EX 0
#define LOCK_SH 1
#define LOCK_NB 8
#endif
#define DOS_GET_DRIVE(reg) ((reg) ? (reg) - 1 : DRIVE_GetCurrentDrive())
/* Define the drive parameter block, as used by int21/1F
* and int21/32. This table can be accessed through the
* global 'dpb' pointer, which points into the local dos
* heap.
*/
struct DPB
{
BYTE drive_num; /* 0=A, etc. */
BYTE unit_num; /* Drive's unit number (?) */
WORD sector_size; /* Sector size in bytes */
BYTE high_sector; /* Highest sector in a cluster */
BYTE shift; /* Shift count (?) */
WORD reserved; /* Number of reserved sectors at start */
BYTE num_FAT; /* Number of FATs */
WORD dir_entries; /* Number of root dir entries */
WORD first_data; /* First data sector */
WORD high_cluster; /* Highest cluster number */
WORD sectors_in_FAT; /* Number of sectors per FAT */
WORD start_dir; /* Starting sector of first dir */
DWORD driver_head; /* Address of device driver header (?) */
BYTE media_ID; /* Media ID */
BYTE access_flag; /* Prev. accessed flag (0=yes,0xFF=no) */
DWORD next; /* Pointer to next DPB in list */
WORD free_search; /* Free cluster search start */
WORD free_clusters; /* Number of free clusters (0xFFFF=unknown) */
};
WORD CodePage = 437;
DWORD dpbsegptr;
struct DosHeap {
BYTE InDosFlag;
BYTE mediaID;
BYTE biosdate[8];
struct DPB dpb;
};
static struct DosHeap *heap;
static WORD DosHeapHandle;
WORD sharing_retries = 3; /* number of retries at sharing violation */
WORD sharing_pause = 1; /* pause between retries */
extern char TempDirectory[];
static BOOL32 INT21_CreateHeap(void)
{
if (!(DosHeapHandle = GlobalAlloc16(GMEM_FIXED,sizeof(struct DosHeap))))
{
fprintf( stderr, "INT21_Init: Out of memory\n");
return FALSE;
}
heap = (struct DosHeap *) GlobalLock16(DosHeapHandle);
dpbsegptr = PTR_SEG_OFF_TO_SEGPTR(DosHeapHandle,(int)&heap->dpb-(int)heap);
heap->InDosFlag = 0;
strcpy(heap->biosdate, "01/01/80");
return TRUE;
}
static BYTE *GetCurrentDTA(void)
{
TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
return (BYTE *)PTR_SEG_TO_LIN( pTask->dta );
}
void CreateBPB(int drive, BYTE *data)
{
if (drive > 1) {
setword(data, 512);
data[2] = 2;
setword(&data[3], 0);
data[5] = 2;
setword(&data[6], 240);
setword(&data[8], 64000);
data[0x0a] = 0xf8;
setword(&data[0x0b], 40);
setword(&data[0x0d], 56);
setword(&data[0x0f], 2);
setword(&data[0x11], 0);
setword(&data[0x1f], 800);
data[0x21] = 5;
setword(&data[0x22], 1);
} else { /* 1.44mb */
setword(data, 512);
data[2] = 2;
setword(&data[3], 0);
data[5] = 2;
setword(&data[6], 240);
setword(&data[8], 2880);
data[0x0a] = 0xf8;
setword(&data[0x0b], 6);
setword(&data[0x0d], 18);
setword(&data[0x0f], 2);
setword(&data[0x11], 0);
setword(&data[0x1f], 80);
data[0x21] = 7;
setword(&data[0x22], 2);
}
}
static int INT21_GetFreeDiskSpace( CONTEXT *context )
{
DWORD cluster_sectors, sector_bytes, free_clusters, total_clusters;
char root[] = "A:\\";
*root += DOS_GET_DRIVE( DL_reg(context) );
if (!GetDiskFreeSpace32A( root, &cluster_sectors, &sector_bytes,
&free_clusters, &total_clusters )) return 0;
AX_reg(context) = cluster_sectors;
BX_reg(context) = free_clusters;
CX_reg(context) = sector_bytes;
DX_reg(context) = total_clusters;
return 1;
}
static int INT21_GetDriveAllocInfo( CONTEXT *context )
{
if (!INT21_GetFreeDiskSpace( context )) return 0;
if (!heap && !INT21_CreateHeap()) return 0;
heap->mediaID = 0xf0;
DS_reg(context) = DosHeapHandle;
BX_reg(context) = (int)&heap->mediaID - (int)heap;
return 1;
}
static void GetDrivePB( CONTEXT *context, int drive )
{
if(!DRIVE_IsValid(drive))
{
DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
AX_reg(context) = 0x00ff;
}
else if (heap || INT21_CreateHeap())
{
FIXME(int21, "GetDrivePB not fully implemented.\n");
/* FIXME: I have no idea what a lot of this information should
* say or whether it even really matters since we're not allowing
* direct block access. However, some programs seem to depend on
* getting at least _something_ back from here. The 'next' pointer
* does worry me, though. Should we have a complete table of
* separate DPBs per drive? Probably, but I'm lazy. :-) -CH
*/
heap->dpb.drive_num = heap->dpb.unit_num = drive; /*The same?*/
heap->dpb.sector_size = 512;
heap->dpb.high_sector = 1;
heap->dpb.shift = drive < 2 ? 0 : 6; /*6 for HD, 0 for floppy*/
heap->dpb.reserved = 0;
heap->dpb.num_FAT = 1;
heap->dpb.dir_entries = 2;
heap->dpb.first_data = 2;
heap->dpb.high_cluster = 64000;
heap->dpb.sectors_in_FAT = 1;
heap->dpb.start_dir = 1;
heap->dpb.driver_head = 0;
heap->dpb.media_ID = (drive > 1) ? 0xF8 : 0xF0;
heap->dpb.access_flag = 0;
heap->dpb.next = 0;
heap->dpb.free_search = 0;
heap->dpb.free_clusters = 0xFFFF; /* unknown */
AL_reg(context) = 0x00;
DS_reg(context) = SELECTOROF(dpbsegptr);
BX_reg(context) = OFFSETOF(dpbsegptr);
}
}
static void ioctlGetDeviceInfo( CONTEXT *context )
{
int curr_drive;
TRACE(int21, "(%d)\n", BX_reg(context));
curr_drive = DRIVE_GetCurrentDrive();
DX_reg(context) = 0x0140 + curr_drive + ((curr_drive > 1) ? 0x0800 : 0);
/* no floppy */
/* bits 0-5 are current drive
* bit 6 - file has NOT been written..FIXME: correct?
* bit 8 - generate int24 if no diskspace on write/ read past end of file
* bit 11 - media not removable
*/
RESET_CFLAG(context);
}
static BOOL32 ioctlGenericBlkDevReq( CONTEXT *context )
{
BYTE *dataptr = PTR_SEG_OFF_TO_LIN(DS_reg(context), DX_reg(context));
int drive = DOS_GET_DRIVE( BL_reg(context) );
if (!DRIVE_IsValid(drive))
{
DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
return TRUE;
}
if (CH_reg(context) != 0x08)
{
INT_BARF( context, 0x21 );
return FALSE;
}
switch (CL_reg(context))
{
case 0x4a: /* lock logical volume */
TRACE(int21,"lock logical volume (%d) level %d mode %d\n",drive,BH_reg(context),DX_reg(context));
break;
case 0x60: /* get device parameters */
/* used by w4wgrp's winfile */
memset(dataptr, 0, 0x26);
dataptr[0] = 0x04;
dataptr[6] = 0; /* media type */
if (drive > 1)
{
dataptr[1] = 0x05; /* fixed disk */
setword(&dataptr[2], 0x01); /* non removable */
setword(&dataptr[4], 0x300); /* # of cylinders */
}
else
{
dataptr[1] = 0x07; /* block dev, floppy */
setword(&dataptr[2], 0x02); /* removable */
setword(&dataptr[4], 80); /* # of cylinders */
}
CreateBPB(drive, &dataptr[7]);
RESET_CFLAG(context);
break;
case 0x66:/* get disk serial number */
{
char label[12],fsname[9],path[4];
DWORD serial;
strcpy(path,"x:\\");path[0]=drive+'A';
GetVolumeInformation32A(
path,label,12,&serial,NULL,NULL,fsname,9
);
*(WORD*)dataptr = 0;
memcpy(dataptr+2,&serial,4);
memcpy(dataptr+6,label ,11);
memcpy(dataptr+17,fsname,8);
}
break;
case 0x6a:
TRACE(int21,"logical volume %d unlocked.\n",drive);
break;
default:
INT_BARF( context, 0x21 );
}
return FALSE;
}
static void INT21_GetSystemDate( CONTEXT *context )
{
SYSTEMTIME systime;
GetLocalTime( &systime );
CX_reg(context) = systime.wYear;
DX_reg(context) = (systime.wMonth << 8) | systime.wDay;
AX_reg(context) = systime.wDayOfWeek;
}
static void INT21_GetSystemTime( CONTEXT *context )
{
SYSTEMTIME systime;
GetLocalTime( &systime );
CX_reg(context) = (systime.wHour << 8) | systime.wMinute;
DX_reg(context) = (systime.wSecond << 8) | (systime.wMilliseconds / 10);
}
/* Many calls translate a drive argument like this:
drive number (00h = default, 01h = A:, etc)
*/
static char drivestring[]="default";
char *INT21_DriveName(int drive)
{
if(drive >0)
{
drivestring[0]= (unsigned char)drive + '@';
drivestring[1]=':';
drivestring[2]=0;
}
return drivestring;
}
static BOOL32 INT21_CreateFile( CONTEXT *context )
{
AX_reg(context) = _lcreat16( PTR_SEG_OFF_TO_LIN( DS_reg(context),
DX_reg(context) ), CX_reg(context) );
return (AX_reg(context) == (WORD)HFILE_ERROR16);
}
static void OpenExistingFile( CONTEXT *context )
{
AX_reg(context) = _lopen16( PTR_SEG_OFF_TO_LIN(DS_reg(context),DX_reg(context)),
AL_reg(context) );
if (AX_reg(context) == (WORD)HFILE_ERROR16)
{
AX_reg(context) = DOS_ExtendedError;
SET_CFLAG(context);
}
#if 0
{
int handle;
int mode;
int lock;
switch (AX_reg(context) & 0x0070)
{
case 0x00: /* compatability mode */
case 0x40: /* DENYNONE */
lock = -1;
break;
case 0x30: /* DENYREAD */
TRACE(int21, "(%s): DENYREAD changed to DENYALL\n",
(char *)PTR_SEG_OFF_TO_LIN(DS_reg(context),DX_reg(context)));
case 0x10: /* DENYALL */
lock = LOCK_EX;
break;
case 0x20: /* DENYWRITE */
lock = LOCK_SH;
break;
default:
lock = -1;
}
if (lock != -1)
{
int result,retries=sharing_retries;
{
#if defined(__svr4__) || defined(_SCO_DS)
ERR(int21, "Should call flock and needs porting to lockf\n");
result = 0;
retries = 0;
#else
result = flock(handle, lock | LOCK_NB);
#endif
if ( retries && (!result) )
{
int i;
for(i=0;i<32768*((int)sharing_pause);i++)
result++; /* stop the optimizer */
for(i=0;i<32768*((int)sharing_pause);i++)
result--;
}
}
while( (!result) && (!(retries--)) );
if(result)
{
errno_to_doserr();
AX_reg(context) = DOS_ExtendedError;
close(handle);
SET_CFLAG(context);
return;
}
}
Error (0,0,0);
AX_reg(context) = handle;
RESET_CFLAG(context);
}
#endif
}
static void CloseFile( CONTEXT *context )
{
if ((AX_reg(context) = _lclose16( BX_reg(context) )) != 0)
{
AX_reg(context) = DOS_ExtendedError;
SET_CFLAG(context);
}
}
static BOOL32 INT21_ExtendedOpenCreateFile(CONTEXT *context )
{
BOOL32 bExtendedError = FALSE;
BYTE action = DL_reg(context);
/* Shuffle arguments to call OpenExistingFile */
AL_reg(context) = BL_reg(context);
DX_reg(context) = SI_reg(context);
/* BX,CX and DX should be preserved */
OpenExistingFile(context);
if ((EFL_reg(context) & 0x0001) == 0) /* File exists */
{
UINT16 uReturnCX = 0;
/* Now decide what do do */
if ((action & 0x07) == 0)
{
BX_reg(context) = AX_reg(context);
CloseFile(context);
AX_reg(context) = 0x0050; /*File exists*/
SET_CFLAG(context);
WARN(int21, "extended open/create: failed because file exists \n");
}
else if ((action & 0x07) == 2)
{
/* Truncate it, but first check if opened for write */
if ((BL_reg(context) & 0x0007)== 0)
{
BX_reg(context) = AX_reg(context);
CloseFile(context);
WARN(int21, "extended open/create: failed, trunc on ro file\n");
AX_reg(context) = 0x000C; /*Access code invalid*/
SET_CFLAG(context);
}
else
{
/* Shuffle arguments to call CloseFile while
* preserving BX and DX */
TRACE(int21, "extended open/create: Closing before truncate\n");
BX_reg(context) = AX_reg(context);
CloseFile(context);
if (EFL_reg(context) & 0x0001)
{
WARN(int21, "extended open/create: close before trunc failed\n");
AX_reg(context) = 0x0019; /*Seek Error*/
CX_reg(context) = 0;
SET_CFLAG(context);
}
/* Shuffle arguments to call CreateFile */
TRACE(int21, "extended open/create: Truncating\n");
AL_reg(context) = BL_reg(context);
/* CX is still the same */
DX_reg(context) = SI_reg(context);
bExtendedError = INT21_CreateFile(context);
if (EFL_reg(context) & 0x0001) /*no file open, flags set */
{
WARN(int21, "extended open/create: trunc failed\n");
return bExtendedError;
}
uReturnCX = 0x3;
}
}
else uReturnCX = 0x1;
CX_reg(context) = uReturnCX;
}
else /* file does not exist */
{
RESET_CFLAG(context); /* was set by OpenExistingFile(context) */
if ((action & 0xF0)== 0)
{
CX_reg(context) = 0;
SET_CFLAG(context);
WARN(int21, "extended open/create: failed, file dosen't exist\n");
}
else
{
/* Shuffle arguments to call CreateFile */
TRACE(int21, "extended open/create: Creating\n");
AL_reg(context) = BL_reg(context);
/* CX should still be the same */
DX_reg(context) = SI_reg(context);
bExtendedError = INT21_CreateFile(context);
if (EFL_reg(context) & 0x0001) /*no file open, flags set */
{
WARN(int21, "extended open/create: create failed\n");
return bExtendedError;
}
CX_reg(context) = 2;
}
}
return bExtendedError;
}
static BOOL32 INT21_ChangeDir( CONTEXT *context )
{
int drive;
char *dirname = PTR_SEG_OFF_TO_LIN(DS_reg(context),DX_reg(context));
TRACE(int21,"changedir %s\n", dirname);
if (dirname[0] && (dirname[1] == ':'))
{
drive = toupper(dirname[0]) - 'A';
dirname += 2;
}
else drive = DRIVE_GetCurrentDrive();
return DRIVE_Chdir( drive, dirname );
}
static int INT21_FindFirst( CONTEXT *context )
{
char *p;
const char *path;
DOS_FULL_NAME full_name;
FINDFILE_DTA *dta = (FINDFILE_DTA *)GetCurrentDTA();
path = (const char *)PTR_SEG_OFF_TO_LIN(DS_reg(context), DX_reg(context));
dta->unixPath = NULL;
if (!DOSFS_GetFullName( path, FALSE, &full_name ))
{
AX_reg(context) = DOS_ExtendedError;
SET_CFLAG(context);
return 0;
}
dta->unixPath = HEAP_strdupA( GetProcessHeap(), 0, full_name.long_name );
p = strrchr( dta->unixPath, '/' );
*p = '\0';
/* Note: terminating NULL in dta->mask overwrites dta->search_attr
* (doesn't matter as it is set below anyway)
*/
if (!DOSFS_ToDosFCBFormat( p + 1, dta->mask ))
{
HeapFree( GetProcessHeap(), 0, dta->unixPath );
dta->unixPath = NULL;
DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
AX_reg(context) = ER_FileNotFound;
SET_CFLAG(context);
return 0;
}
dta->drive = (path[0] && (path[1] == ':')) ? toupper(path[0]) - 'A'
: DRIVE_GetCurrentDrive();
dta->count = 0;
dta->search_attr = CL_reg(context);
return 1;
}
static int INT21_FindNext( CONTEXT *context )
{
FINDFILE_DTA *dta = (FINDFILE_DTA *)GetCurrentDTA();
WIN32_FIND_DATA32A entry;
int count;
if (!dta->unixPath) return 0;
if (!(count = DOSFS_FindNext( dta->unixPath, dta->mask, NULL, dta->drive,
dta->search_attr, dta->count, &entry )))
{
HeapFree( GetProcessHeap(), 0, dta->unixPath );
dta->unixPath = NULL;
return 0;
}
if ((int)dta->count + count > 0xffff)
{
fprintf( stderr, "Too many directory entries in %s\n", dta->unixPath );
HeapFree( GetProcessHeap(), 0, dta->unixPath );
dta->unixPath = NULL;
return 0;
}
dta->count += count;
dta->fileattr = entry.dwFileAttributes;
dta->filesize = entry.nFileSizeLow;
FileTimeToDosDateTime( &entry.ftLastWriteTime,
&dta->filedate, &dta->filetime );
strcpy( dta->filename, entry.cAlternateFileName );
return 1;
}
static BOOL32 INT21_CreateTempFile( CONTEXT *context )
{
static int counter = 0;
char *name = PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context) );
char *p = name + strlen(name);
/* despite what Ralf Brown says, some programs seem to call without
* ending backslash (DOS accepts that, so we accept it too) */
if ((p == name) || (p[-1] != '\\')) *p++ = '\\';
for (;;)
{
sprintf( p, "wine%04x.%03d", (int)getpid(), counter );
counter = (counter + 1) % 1000;
if ((AX_reg(context) = _lcreat_uniq( name, 0 )) != (WORD)HFILE_ERROR16)
{
TRACE(int21, "created %s\n", name );
return TRUE;
}
if (DOS_ExtendedError != ER_FileExists) return FALSE;
}
}
static BOOL32 INT21_GetCurrentDirectory( CONTEXT *context )
{
int drive = DOS_GET_DRIVE( DL_reg(context) );
char *ptr = (char *)PTR_SEG_OFF_TO_LIN( DS_reg(context), SI_reg(context) );
if (!DRIVE_IsValid(drive))
{
DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
return FALSE;
}
lstrcpyn32A( ptr, DRIVE_GetDosCwd(drive), 64 );
AX_reg(context) = 0x0100; /* success return code */
return TRUE;
}
static int INT21_GetDiskSerialNumber( CONTEXT *context )
{
BYTE *dataptr = PTR_SEG_OFF_TO_LIN(DS_reg(context), DX_reg(context));
int drive = DOS_GET_DRIVE( BL_reg(context) );
if (!DRIVE_IsValid(drive))
{
DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
return 0;
}
*(WORD *)dataptr = 0;
*(DWORD *)(dataptr + 2) = DRIVE_GetSerialNumber( drive );
memcpy( dataptr + 6, DRIVE_GetLabel( drive ), 11 );
strncpy(dataptr + 0x11, "FAT16 ", 8);
return 1;
}
static int INT21_SetDiskSerialNumber( CONTEXT *context )
{
BYTE *dataptr = PTR_SEG_OFF_TO_LIN(DS_reg(context), DX_reg(context));
int drive = DOS_GET_DRIVE( BL_reg(context) );
if (!DRIVE_IsValid(drive))
{
DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
return 0;
}
DRIVE_SetSerialNumber( drive, *(DWORD *)(dataptr + 2) );
return 1;
}
/* microsoft's programmers should be shot for using CP/M style int21
calls in Windows for Workgroup's winfile.exe */
static int INT21_FindFirstFCB( CONTEXT *context )
{
BYTE *fcb = (BYTE *)PTR_SEG_OFF_TO_LIN(DS_reg(context), DX_reg(context));
FINDFILE_FCB *pFCB;
LPCSTR root, cwd;
int drive;
if (*fcb == 0xff) pFCB = (FINDFILE_FCB *)(fcb + 7);
else pFCB = (FINDFILE_FCB *)fcb;
drive = DOS_GET_DRIVE( pFCB->drive );
root = DRIVE_GetRoot( drive );
cwd = DRIVE_GetUnixCwd( drive );
pFCB->unixPath = HeapAlloc( GetProcessHeap(), 0,
strlen(root)+strlen(cwd)+2 );
if (!pFCB->unixPath) return 0;
strcpy( pFCB->unixPath, root );
strcat( pFCB->unixPath, "/" );
strcat( pFCB->unixPath, cwd );
pFCB->count = 0;
return 1;
}
static int INT21_FindNextFCB( CONTEXT *context )
{
BYTE *fcb = (BYTE *)PTR_SEG_OFF_TO_LIN(DS_reg(context), DX_reg(context));
FINDFILE_FCB *pFCB;
DOS_DIRENTRY_LAYOUT *pResult = (DOS_DIRENTRY_LAYOUT *)GetCurrentDTA();
WIN32_FIND_DATA32A entry;
BYTE attr;
int count;
if (*fcb == 0xff) /* extended FCB ? */
{
attr = fcb[6];
pFCB = (FINDFILE_FCB *)(fcb + 7);
}
else
{
attr = 0;
pFCB = (FINDFILE_FCB *)fcb;
}
if (!pFCB->unixPath) return 0;
if (!(count = DOSFS_FindNext( pFCB->unixPath, pFCB->filename, NULL,
DOS_GET_DRIVE( pFCB->drive ), attr,
pFCB->count, &entry )))
{
HeapFree( GetProcessHeap(), 0, pFCB->unixPath );
pFCB->unixPath = NULL;
return 0;
}
pFCB->count += count;
if (*fcb == 0xff) { /* place extended FCB header before pResult if called with extended FCB */
*(BYTE *)pResult = 0xff;
(BYTE *)pResult +=6; /* leave reserved field behind */
*(BYTE *)pResult = entry.dwFileAttributes;
((BYTE *)pResult)++;
}
*(BYTE *)pResult = DOS_GET_DRIVE( pFCB->drive ); /* DOS_DIRENTRY_LAYOUT after current drive number */
((BYTE *)pResult)++;
pResult->fileattr = entry.dwFileAttributes;
pResult->cluster = 0; /* what else? */
pResult->filesize = entry.nFileSizeLow;
memset( pResult->reserved, 0, sizeof(pResult->reserved) );
FileTimeToDosDateTime( &entry.ftLastWriteTime,
&pResult->filedate, &pResult->filetime );
/* Convert file name to FCB format */
memset( pResult->filename, ' ', sizeof(pResult->filename) );
if (!strcmp( entry.cAlternateFileName, "." )) pResult->filename[0] = '.';
else if (!strcmp( entry.cAlternateFileName, ".." ))
pResult->filename[0] = pResult->filename[1] = '.';
else
{
char *p = strrchr( entry.cAlternateFileName, '.' );
if (p && p[1] && (p != entry.cAlternateFileName))
{
memcpy( pResult->filename, entry.cAlternateFileName,
MIN( (p - entry.cAlternateFileName), 8 ) );
memcpy( pResult->filename + 8, p + 1, MIN( strlen(p), 3 ) );
}
else
memcpy( pResult->filename, entry.cAlternateFileName,
MIN( strlen(entry.cAlternateFileName), 8 ) );
}
return 1;
}
static void DeleteFileFCB( CONTEXT *context )
{
FIXME(int21, "(%p): not implemented yet\n", context);
}
static void RenameFileFCB( CONTEXT *context )
{
FIXME(int21, "(%p): not implemented yet\n", context);
}
static void fLock( CONTEXT * context )
{
switch ( AX_reg(context) & 0xff )
{
case 0x00: /* LOCK */
TRACE(int21,"lock handle %d offset %ld length %ld\n",
BX_reg(context),
MAKELONG(DX_reg(context),CX_reg(context)),
MAKELONG(DI_reg(context),SI_reg(context))) ;
if (!LockFile(BX_reg(context),
MAKELONG(DX_reg(context),CX_reg(context)), 0,
MAKELONG(DI_reg(context),SI_reg(context)), 0)) {
AX_reg(context) = DOS_ExtendedError;
SET_CFLAG(context);
}
break;
case 0x01: /* UNLOCK */
TRACE(int21,"unlock handle %d offset %ld length %ld\n",
BX_reg(context),
MAKELONG(DX_reg(context),CX_reg(context)),
MAKELONG(DI_reg(context),SI_reg(context))) ;
if (!UnlockFile(BX_reg(context),
MAKELONG(DX_reg(context),CX_reg(context)), 0,
MAKELONG(DI_reg(context),SI_reg(context)), 0)) {
AX_reg(context) = DOS_ExtendedError;
SET_CFLAG(context);
}
return;
default:
AX_reg(context) = 0x0001;
SET_CFLAG(context);
return;
}
}
static BOOL32
INT21_networkfunc (CONTEXT *context)
{
switch (AL_reg(context)) {
case 0x00: /* Get machine name. */
{
char *dst = PTR_SEG_OFF_TO_LIN (DS_reg(context),DX_reg(context));
TRACE(int21, "getting machine name to %p\n", dst);
if (gethostname (dst, 15))
{
WARN(int21,"failed!\n");
DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
return TRUE;
} else {
int len = strlen (dst);
while (len < 15)
dst[len++] = ' ';
dst[15] = 0;
CH_reg(context) = 1; /* Valid */
CL_reg(context) = 1; /* NETbios number??? */
TRACE(int21, "returning %s\n", debugstr_an (dst, 16));
return FALSE;
}
}
default:
DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
return TRUE;
}
}
SEGPTR INT21_GetListOfLists()
{
static DOS_LISTOFLISTS *LOL;
static SEGPTR seg_LOL;
/*
Output of DOS 6.22:
0133:0020 6A 13-33 01 CC 00 33 01 59 00 j.3...3.Y.
0133:0030 70 00 00 00 72 02 00 02-6D 00 33 01 00 00 2E 05 p...r...m.3.....
0133:0040 00 00 FC 04 00 00 03 08-92 21 11 E0 04 80 C6 0D .........!......
0133:0050 CC 0D 4E 55 4C 20 20 20-20 20 00 00 00 00 00 00 ..NUL ......
0133:0060 00 4B BA C1 06 14 00 00-00 03 01 00 04 70 CE FF .K...........p..
0133:0070 FF 00 00 00 00 00 00 00-00 01 00 00 0D 05 00 00 ................
0133:0080 00 FF FF 00 00 00 00 FE-00 00 F8 03 FF 9F 70 02 ..............p.
0133:0090 D0 44 C8 FD D4 44 C8 FD-D4 44 C8 FD D0 44 C8 FD .D...D...D...D..
0133:00A0 D0 44 C8 FD D0 44 .D...D
*/
if (!LOL) {
LOL = SEGPTR_ALLOC(sizeof(DOS_LISTOFLISTS));
LOL->CX_Int21_5e01 = 0x0;
LOL->LRU_count_FCB_cache = 0x0;
LOL->LRU_count_FCB_open = 0x0;
LOL->OEM_func_handler = -1; /* not available */
LOL->INT21_offset = 0x0;
LOL->sharing_retry_count = sharing_retries; /* default value: 3 */
LOL->sharing_retry_delay = sharing_pause; /* default value: 1 */
LOL->ptr_disk_buf = 0x0;
LOL->offs_unread_CON = 0x0;
LOL->seg_first_MCB = 0x0;
LOL->ptr_first_DPB = 0x0;
LOL->ptr_first_SysFileTable = 0x0;
LOL->ptr_clock_dev_hdr = 0x0;
LOL->ptr_CON_dev_hdr = 0x0;
LOL->max_byte_per_sec = 512;
LOL->ptr_disk_buf_info = 0x0;
LOL->ptr_array_CDS = 0x0;
LOL->ptr_sys_FCB = 0x0;
LOL->nr_protect_FCB = 0x0;
LOL->nr_block_dev = 0x0;
LOL->nr_avail_drive_letters = 26; /* A - Z */
LOL->nr_drives_JOINed = 0x0;
LOL->ptr_spec_prg_names = 0x0;
LOL->ptr_SETVER_prg_list = 0x0; /* no SETVER list */
LOL->DOS_HIGH_A20_func_offs = 0x0;
LOL->PSP_last_exec = 0x0;
LOL->BUFFERS_val = 99; /* maximum: 99 */
LOL->BUFFERS_nr_lookahead = 8; /* maximum: 8 */
LOL->boot_drive = 3; /* C: */
LOL->flag_DWORD_moves = 0x01; /* i386+ */
LOL->size_extended_mem = 0xf000; /* very high value */
}
if (!seg_LOL) seg_LOL = SEGPTR_GET(LOL);
return seg_LOL+(WORD)&((DOS_LISTOFLISTS*)0)->ptr_first_DPB;
}
extern void LOCAL_PrintHeap (WORD ds);
/***********************************************************************
* DOS3Call (KERNEL.102)
*/
void WINAPI DOS3Call( CONTEXT *context )
{
BOOL32 bSetDOSExtendedError = FALSE;
#if 0
TRACE(int21, "AX=%04x BX=%04x CX=%04x DX=%04x "
"SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
AX_reg(context), BX_reg(context), CX_reg(context), DX_reg(context),
SI_reg(context), DI_reg(context),
(WORD)DS_reg(context), (WORD)ES_reg(context),
EFL_reg(context) );
#endif
if (AH_reg(context) == 0x59) /* Get extended error info */
{
TRACE(int21, "GET EXTENDED ERROR code 0x%02x class 0x%02x action 0x%02x locus %02x\n",
DOS_ExtendedError, DOS_ErrorClass, DOS_ErrorAction, DOS_ErrorLocus);
AX_reg(context) = DOS_ExtendedError;
BH_reg(context) = DOS_ErrorClass;
BL_reg(context) = DOS_ErrorAction;
CH_reg(context) = DOS_ErrorLocus;
return;
}
DOS_ERROR( 0, 0, 0, 0 );
RESET_CFLAG(context); /* Not sure if this is a good idea */
switch(AH_reg(context))
{
case 0x00: /* TERMINATE PROGRAM */
TRACE(int21,"TERMINATE PROGRAM\n");
TASK_KillCurrentTask( 0 );
break;
case 0x01: /* READ CHARACTER FROM STANDARD INPUT, WITH ECHO */
case 0x02: /* WRITE CHARACTER TO STANDARD OUTPUT */
case 0x03: /* READ CHARACTER FROM STDAUX */
case 0x04: /* WRITE CHARACTER TO STDAUX */
case 0x05: /* WRITE CHARACTER TO PRINTER */
case 0x06: /* DIRECT CONSOLE IN/OUTPUT */
case 0x07: /* DIRECT CHARACTER INPUT, WITHOUT ECHO */
case 0x08: /* CHARACTER INPUT WITHOUT ECHO */
case 0x09: /* WRITE STRING TO STANDARD OUTPUT */
case 0x0a: /* BUFFERED INPUT */
case 0x0b: /* GET STDIN STATUS */
case 0x0c: /* FLUSH BUFFER AND READ STANDARD INPUT */
case 0x0f: /* OPEN FILE USING FCB */
case 0x10: /* CLOSE FILE USING FCB */
case 0x14: /* SEQUENTIAL READ FROM FCB FILE */
case 0x15: /* SEQUENTIAL WRITE TO FCB FILE */
case 0x16: /* CREATE OR TRUNCATE FILE USING FCB */
case 0x21: /* READ RANDOM RECORD FROM FCB FILE */
case 0x22: /* WRITE RANDOM RECORD TO FCB FILE */
case 0x23: /* GET FILE SIZE FOR FCB */
case 0x24: /* SET RANDOM RECORD NUMBER FOR FCB */
case 0x26: /* CREATE NEW PROGRAM SEGMENT PREFIX */
case 0x27: /* RANDOM BLOCK READ FROM FCB FILE */
case 0x28: /* RANDOM BLOCK WRITE TO FCB FILE */
case 0x29: /* PARSE FILENAME INTO FCB */
case 0x37: /* "SWITCHAR" - GET SWITCH CHARACTER
"SWITCHAR" - SET SWITCH CHARACTER
"AVAILDEV" - SPECIFY \DEV\ PREFIX USE */
case 0x54: /* GET VERIFY FLAG */
case 0x48: /* ALLOCATE MEMORY */
case 0x49: /* FREE MEMORY */
case 0x4a: /* RESIZE MEMORY BLOCK */
INT_BARF( context, 0x21 );
break;
case 0x2e: /* SET VERIFY FLAG */
TRACE(int21,"SET VERIFY FLAG ignored\n");
/* we cannot change the behaviour anyway, so just ignore it */
break;
case 0x18: /* NULL FUNCTIONS FOR CP/M COMPATIBILITY */
case 0x1d:
case 0x1e:
case 0x20:
case 0x6b: /* NULL FUNCTION */
AL_reg(context) = 0;
break;
case 0x5c: /* "FLOCK" - RECORD LOCKING */
fLock(context);
break;
case 0x0d: /* DISK BUFFER FLUSH */
TRACE(int21,"DISK BUFFER FLUSH ignored\n");
RESET_CFLAG(context); /* dos 6+ only */
break;
case 0x0e: /* SELECT DEFAULT DRIVE */
TRACE(int21,"SELECT DEFAULT DRIVE %d\n", DL_reg(context));
DRIVE_SetCurrentDrive( DL_reg(context) );
AL_reg(context) = MAX_DOS_DRIVES;
break;
case 0x11: /* FIND FIRST MATCHING FILE USING FCB */
TRACE(int21,"FIND FIRST MATCHING FILE USING FCB %p\n",
PTR_SEG_OFF_TO_LIN(DS_reg(context), DX_reg(context)));
if (!INT21_FindFirstFCB(context))
{
AL_reg(context) = 0xff;
break;
}
/* else fall through */
case 0x12: /* FIND NEXT MATCHING FILE USING FCB */
AL_reg(context) = INT21_FindNextFCB(context) ? 0x00 : 0xff;
break;
case 0x13: /* DELETE FILE USING FCB */
DeleteFileFCB(context);
break;
case 0x17: /* RENAME FILE USING FCB */
RenameFileFCB(context);
break;
case 0x19: /* GET CURRENT DEFAULT DRIVE */
AL_reg(context) = DRIVE_GetCurrentDrive();
break;
case 0x1a: /* SET DISK TRANSFER AREA ADDRESS */
{
TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
pTask->dta = PTR_SEG_OFF_TO_SEGPTR(DS_reg(context),DX_reg(context));
TRACE(int21, "Set DTA: %08lx\n", pTask->dta);
}
break;
case 0x1b: /* GET ALLOCATION INFORMATION FOR DEFAULT DRIVE */
DL_reg(context) = 0;
if (!INT21_GetDriveAllocInfo(context)) AX_reg(context) = 0xffff;
break;
case 0x1c: /* GET ALLOCATION INFORMATION FOR SPECIFIC DRIVE */
if (!INT21_GetDriveAllocInfo(context)) AX_reg(context) = 0xffff;
break;
case 0x1f: /* GET DRIVE PARAMETER BLOCK FOR DEFAULT DRIVE */
GetDrivePB(context, DRIVE_GetCurrentDrive());
break;
case 0x25: /* SET INTERRUPT VECTOR */
INT_SetHandler( AL_reg(context),
(FARPROC16)PTR_SEG_OFF_TO_SEGPTR( DS_reg(context),
DX_reg(context)));
break;
case 0x2a: /* GET SYSTEM DATE */
INT21_GetSystemDate(context);
break;
case 0x2b: /* SET SYSTEM DATE */
FIXME(int21, "SetSystemDate(%02d/%02d/%04d): not allowed\n",
DL_reg(context), DH_reg(context), CX_reg(context) );
AL_reg(context) = 0; /* Let's pretend we succeeded */
break;
case 0x2c: /* GET SYSTEM TIME */
INT21_GetSystemTime(context);
break;
case 0x2d: /* SET SYSTEM TIME */
FIXME(int21, "SetSystemTime(%02d:%02d:%02d.%02d): not allowed\n",
CH_reg(context), CL_reg(context),
DH_reg(context), DL_reg(context) );
AL_reg(context) = 0; /* Let's pretend we succeeded */
break;
case 0x2f: /* GET DISK TRANSFER AREA ADDRESS */
TRACE(int21,"GET DISK TRANSFER AREA ADDRESS\n");
{
TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
ES_reg(context) = SELECTOROF( pTask->dta );
BX_reg(context) = OFFSETOF( pTask->dta );
}
break;
case 0x30: /* GET DOS VERSION */
TRACE(int21,"GET DOS VERSION %s requested\n",
(AL_reg(context) == 0x00)?"OEM number":"version flag");
AX_reg(context) = (HIWORD(GetVersion16()) >> 8) |
(HIWORD(GetVersion16()) << 8);
BX_reg(context) = 0x0012; /* 0x123456 is Wine's serial # */
CX_reg(context) = 0x3456;
break;
case 0x31: /* TERMINATE AND STAY RESIDENT */
TRACE(int21,"TERMINATE AND STAY RESIDENT stub\n");
INT_BARF( context, 0x21 );
break;
case 0x32: /* GET DOS DRIVE PARAMETER BLOCK FOR SPECIFIC DRIVE */
TRACE(int21,"GET DOS DRIVE PARAMETER BLOCK FOR DRIVE %s\n",
INT21_DriveName( DL_reg(context)));
GetDrivePB(context, DOS_GET_DRIVE( DL_reg(context) ) );
break;
case 0x33: /* MULTIPLEXED */
switch (AL_reg(context))
{
case 0x00: /* GET CURRENT EXTENDED BREAK STATE */
TRACE(int21,"GET CURRENT EXTENDED BREAK STATE stub\n");
DL_reg(context) = 0;
break;
case 0x01: /* SET EXTENDED BREAK STATE */
TRACE(int21,"SET CURRENT EXTENDED BREAK STATE stub\n");
break;
case 0x02: /* GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE*/
TRACE(int21,"GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE stub\n");
DL_reg(context) = 0;
break;
case 0x05: /* GET BOOT DRIVE */
TRACE(int21,"GET BOOT DRIVE\n");
DL_reg(context) = 3;
/* c: is Wine's bootdrive (a: is 1)*/
break;
case 0x06: /* GET TRUE VERSION NUMBER */
TRACE(int21,"GET TRUE VERSION NUMBER\n");
BX_reg(context) = (HIWORD(GetVersion16() >> 8)) |
(HIWORD(GetVersion16() << 8));
DX_reg(context) = 0x00;
break;
default:
INT_BARF( context, 0x21 );
break;
}
break;
case 0x34: /* GET ADDRESS OF INDOS FLAG */
TRACE(int21,"GET ADDRESS OF INDOS FLAG\n");
if (!heap) INT21_CreateHeap();
ES_reg(context) = DosHeapHandle;
BX_reg(context) = (int)&heap->InDosFlag - (int)heap;
break;
case 0x35: /* GET INTERRUPT VECTOR */
TRACE(int21,"GET INTERRUPT VECTOR 0x%02x\n",AL_reg(context));
{
FARPROC16 addr = INT_GetHandler( AL_reg(context) );
ES_reg(context) = SELECTOROF(addr);
BX_reg(context) = OFFSETOF(addr);
}
break;
case 0x36: /* GET FREE DISK SPACE */
TRACE(int21,"GET FREE DISK SPACE FOR DRIVE %s\n",
INT21_DriveName( DL_reg(context)));
if (!INT21_GetFreeDiskSpace(context)) AX_reg(context) = 0xffff;
break;
case 0x38: /* GET COUNTRY-SPECIFIC INFORMATION */
TRACE(int21,"GET COUNTRY-SPECIFIC INFORMATION for country 0x%02x\n",
AL_reg(context));
AX_reg(context) = 0x02; /* no country support available */
SET_CFLAG(context);
break;
case 0x39: /* "MKDIR" - CREATE SUBDIRECTORY */
TRACE(int21,"MKDIR %s\n",
(LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
bSetDOSExtendedError = (!CreateDirectory16( PTR_SEG_OFF_TO_LIN( DS_reg(context),
DX_reg(context) ), NULL));
break;
case 0x3a: /* "RMDIR" - REMOVE SUBDIRECTORY */
TRACE(int21,"RMDIR %s\n",
(LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
bSetDOSExtendedError = (!RemoveDirectory16( PTR_SEG_OFF_TO_LIN( DS_reg(context),
DX_reg(context) )));
break;
case 0x3b: /* "CHDIR" - SET CURRENT DIRECTORY */
TRACE(int21,"CHDIR %s\n",
(LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
bSetDOSExtendedError = !INT21_ChangeDir(context);
break;
case 0x3c: /* "CREAT" - CREATE OR TRUNCATE FILE */
TRACE(int21,"CREAT flag 0x%02x %s\n",CX_reg(context),
(LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
AX_reg(context) = _lcreat16( PTR_SEG_OFF_TO_LIN( DS_reg(context),
DX_reg(context) ), CX_reg(context) );
bSetDOSExtendedError = (AX_reg(context) == (WORD)HFILE_ERROR16);
break;
case 0x3d: /* "OPEN" - OPEN EXISTING FILE */
TRACE(int21,"OPEN mode 0x%02x %s\n",AL_reg(context),
(LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
OpenExistingFile(context);
break;
case 0x3e: /* "CLOSE" - CLOSE FILE */
TRACE(int21,"CLOSE handle %d\n",BX_reg(context));
bSetDOSExtendedError = ((AX_reg(context) = _lclose16( BX_reg(context) )) != 0);
break;
case 0x3f: /* "READ" - READ FROM FILE OR DEVICE */
TRACE(int21,"READ from %d to %ld for %d byte\n",BX_reg(context),
PTR_SEG_OFF_TO_SEGPTR( DS_reg(context),DX_reg(context)),CX_reg(context) );
{
LONG result = WIN16_hread( BX_reg(context),
PTR_SEG_OFF_TO_SEGPTR( DS_reg(context),
DX_reg(context) ),
CX_reg(context) );
if (result == -1) bSetDOSExtendedError = TRUE;
else AX_reg(context) = (WORD)result;
}
break;
case 0x40: /* "WRITE" - WRITE TO FILE OR DEVICE */
TRACE(int21,"WRITE from %ld to handle %d for %d byte\n",
PTR_SEG_OFF_TO_SEGPTR( DS_reg(context),DX_reg(context)),
BX_reg(context),CX_reg(context) );
{
LONG result = _hwrite16( BX_reg(context),
PTR_SEG_OFF_TO_LIN( DS_reg(context),
DX_reg(context) ),
CX_reg(context) );
if (result == -1) bSetDOSExtendedError = TRUE;
else AX_reg(context) = (WORD)result;
}
break;
case 0x41: /* "UNLINK" - DELETE FILE */
TRACE(int21,"UNLINK%s\n",
(LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
bSetDOSExtendedError = (!DeleteFile32A( PTR_SEG_OFF_TO_LIN( DS_reg(context),
DX_reg(context) )));
break;
case 0x42: /* "LSEEK" - SET CURRENT FILE POSITION */
TRACE(int21,"LSEEK handle %d offset %ld from %s\n",
BX_reg(context), MAKELONG(DX_reg(context),CX_reg(context)),
(AL_reg(context)==0)?"start of file":(AL_reg(context)==1)?
"current file position":"end of file");
{
LONG status = _llseek16( BX_reg(context),
MAKELONG(DX_reg(context),CX_reg(context)),
AL_reg(context) );
if (status == -1) bSetDOSExtendedError = TRUE;
else
{
AX_reg(context) = LOWORD(status);
DX_reg(context) = HIWORD(status);
}
}
break;
case 0x43: /* FILE ATTRIBUTES */
switch (AL_reg(context))
{
case 0x00:
TRACE(int21,"GET FILE ATTRIBUTES for %s\n",
(LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
AX_reg(context) = (WORD)GetFileAttributes32A(
PTR_SEG_OFF_TO_LIN(DS_reg(context),
DX_reg(context)));
if (AX_reg(context) == 0xffff) bSetDOSExtendedError = TRUE;
else CX_reg(context) = AX_reg(context);
break;
case 0x01:
TRACE(int21,"SET FILE ATTRIBUTES 0x%02x for %s\n", CX_reg(context),
(LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
bSetDOSExtendedError =
(!SetFileAttributes32A( PTR_SEG_OFF_TO_LIN(DS_reg(context),
DX_reg(context)),
CX_reg(context) ));
break;
case 0x02:
TRACE(int21,"GET COMPRESSED FILE SIZE for %s stub\n",
(LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
}
break;
case 0x44: /* IOCTL */
switch (AL_reg(context))
{
case 0x00:
ioctlGetDeviceInfo(context);
break;
case 0x01:
break;
case 0x05:{ /* IOCTL - WRITE TO BLOCK DEVICE CONTROL CHANNEL */
BYTE *dataptr = PTR_SEG_OFF_TO_LIN(DS_reg(context),DX_reg(context));
int drive = DOS_GET_DRIVE(BL_reg(context));
FIXME(int21,"program tried to write to block device control channel of drive %d:\n",drive);
/* for (i=0;i<CX_reg(context);i++)
fprintf(stdnimp,"%02x ",dataptr[i]);
fprintf(stdnimp,"\n");*/
AX_reg(context)=CX_reg(context);
break;
}
case 0x08: /* Check if drive is removable. */
TRACE(int21,"IOCTL - CHECK IF BLOCK DEVICE REMOVABLE for drive %s\n",
INT21_DriveName( BL_reg(context)));
switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context) )))
{
case DRIVE_CANNOTDETERMINE:
DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
AX_reg(context) = ER_InvalidDrive;
SET_CFLAG(context);
break;
case DRIVE_REMOVABLE:
AX_reg(context) = 0; /* removable */
break;
default:
AX_reg(context) = 1; /* not removable */
break;
}
break;
case 0x09: /* CHECK IF BLOCK DEVICE REMOTE */
TRACE(int21,"IOCTL - CHECK IF BLOCK DEVICE REMOTE for drive %s\n",
INT21_DriveName( BL_reg(context)));
switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context) )))
{
case DRIVE_CANNOTDETERMINE:
DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
AX_reg(context) = ER_InvalidDrive;
SET_CFLAG(context);
break;
case DRIVE_REMOTE:
DX_reg(context) = (1<<9) | (1<<12); /* remote */
break;
default:
DX_reg(context) = 0; /* FIXME: use driver attr here */
break;
}
break;
case 0x0a: /* check if handle (BX) is remote */
TRACE(int21,"IOCTL - CHECK IF HANDLE %d IS REMOTE\n",BX_reg(context));
/* returns DX, bit 15 set if remote, bit 14 set if date/time
* not set on close
*/
DX_reg(context) = 0;
break;
case 0x0b: /* SET SHARING RETRY COUNT */
TRACE(int21,"IOCTL - SET SHARING RETRY COUNT pause %d retries %d\n",
CX_reg(context), DX_reg(context));
if (!CX_reg(context))
{
AX_reg(context) = 1;
SET_CFLAG(context);
break;
}
sharing_pause = CX_reg(context);
if (!DX_reg(context))
sharing_retries = DX_reg(context);
RESET_CFLAG(context);
break;
case 0x0d:
TRACE(int21,"IOCTL - GENERIC BLOCK DEVICE REQUEST %s\n",
INT21_DriveName( BL_reg(context)));
bSetDOSExtendedError = ioctlGenericBlkDevReq(context);
break;
case 0x0e: /* get logical drive mapping */
TRACE(int21,"IOCTL - GET LOGICAL DRIVE MAP for drive %s\n",
INT21_DriveName( BL_reg(context)));
AL_reg(context) = 0; /* drive has no mapping - FIXME: may be wrong*/
break;
case 0x0F: /* Set logical drive mapping */
{
int drive;
TRACE(int21,"IOCTL - SET LOGICAL DRIVE MAP for drive %s\n",
INT21_DriveName( BL_reg(context)));
drive = DOS_GET_DRIVE ( BL_reg(context) );
if ( ! DRIVE_SetLogicalMapping ( drive, drive+1 ) )
{
SET_CFLAG(context);
AX_reg(context) = 0x000F; /* invalid drive */
}
break;
}
default:
INT_BARF( context, 0x21 );
break;
}
break;
case 0x45: /* "DUP" - DUPLICATE FILE HANDLE */
TRACE(int21,"DUP - DUPLICATE FILE HANDLE %d\n",BX_reg(context));
bSetDOSExtendedError = ((AX_reg(context) = FILE_Dup(BX_reg(context))) == (WORD)HFILE_ERROR16);
break;
case 0x46: /* "DUP2", "FORCEDUP" - FORCE DUPLICATE FILE HANDLE */
TRACE(int21,"FORCEDUP - FORCE DUPLICATE FILE HANDLE %d to %d\n",
BX_reg(context),CX_reg(context));
bSetDOSExtendedError = (FILE_Dup2( BX_reg(context), CX_reg(context) ) == HFILE_ERROR32);
break;
case 0x47: /* "CWD" - GET CURRENT DIRECTORY */
TRACE(int21,"CWD - GET CURRENT DIRECTORY for drive %s\n",
INT21_DriveName( DL_reg(context)));
bSetDOSExtendedError = !INT21_GetCurrentDirectory(context);
break;
case 0x4b: /* "EXEC" - LOAD AND/OR EXECUTE PROGRAM */
TRACE(int21,"EXEC %s\n",
(LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context),DX_reg(context) ));
AX_reg(context) = WinExec16( PTR_SEG_OFF_TO_LIN( DS_reg(context),
DX_reg(context) ),
SW_NORMAL );
if (AX_reg(context) < 32) SET_CFLAG(context);
break;
case 0x4c: /* "EXIT" - TERMINATE WITH RETURN CODE */
TRACE(int21,"EXIT with return code %d\n",AL_reg(context));
TASK_KillCurrentTask( AL_reg(context) );
break;
case 0x4d: /* GET RETURN CODE */
TRACE(int21,"GET RETURN CODE (ERRORLEVEL)\n");
AX_reg(context) = 0; /* normal exit */
break;
case 0x4e: /* "FINDFIRST" - FIND FIRST MATCHING FILE */
TRACE(int21,"FINDFIRST mask 0x%04x spec %s\n",CX_reg(context),
(LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
if (!INT21_FindFirst(context)) break;
/* fall through */
case 0x4f: /* "FINDNEXT" - FIND NEXT MATCHING FILE */
TRACE(int21,"FINDNEXT\n");
if (!INT21_FindNext(context))
{
DOS_ERROR( ER_NoMoreFiles, EC_MediaError, SA_Abort, EL_Disk );
AX_reg(context) = ER_NoMoreFiles;
SET_CFLAG(context);
}
else AX_reg(context) = 0; /* OK */
break;
case 0x51: /* GET PSP ADDRESS */
TRACE(int21,"GET CURRENT PROCESS ID (GET PSP ADDRESS)\n");
/* FIXME: should we return the original DOS PSP upon */
/* Windows startup ? */
BX_reg(context) = GetCurrentPDB();
break;
case 0x62: /* GET PSP ADDRESS */
TRACE(int21,"GET CURRENT PSP ADDRESS\n");
/* FIXME: should we return the original DOS PSP upon */
/* Windows startup ? */
BX_reg(context) = GetCurrentPDB();
break;
case 0x52: /* "SYSVARS" - GET LIST OF LISTS */
TRACE(int21,"SYSVARS - GET LIST OF LISTS\n");
{
SEGPTR lol;
lol = INT21_GetListOfLists();
ES_reg(context) = HIWORD(lol);
BX_reg(context) = LOWORD(lol);
}
break;
case 0x56: /* "RENAME" - RENAME FILE */
TRACE(int21,"RENAME %s to %s\n",
(LPCSTR)PTR_SEG_OFF_TO_LIN(DS_reg(context),DX_reg(context)),
(LPCSTR)PTR_SEG_OFF_TO_LIN(ES_reg(context),DI_reg(context)));
bSetDOSExtendedError =
(!MoveFile32A( PTR_SEG_OFF_TO_LIN(DS_reg(context),DX_reg(context)),
PTR_SEG_OFF_TO_LIN(ES_reg(context),DI_reg(context))));
break;
case 0x57: /* FILE DATE AND TIME */
switch (AL_reg(context))
{
case 0x00: /* Get */
{
FILETIME filetime;
TRACE(int21,"GET FILE DATE AND TIME for handle %d\n",
BX_reg(context));
if (!GetFileTime( BX_reg(context), NULL, NULL, &filetime ))
bSetDOSExtendedError = TRUE;
else FileTimeToDosDateTime( &filetime, &DX_reg(context),
&CX_reg(context) );
}
break;
case 0x01: /* Set */
{
FILETIME filetime;
TRACE(int21,"SET FILE DATE AND TIME for handle %d\n",
BX_reg(context));
DosDateTimeToFileTime( DX_reg(context), CX_reg(context),
&filetime );
bSetDOSExtendedError =
(!SetFileTime( BX_reg(context), NULL, NULL, &filetime ));
}
break;
}
break;
case 0x58: /* GET OR SET MEMORY/UMB ALLOCATION STRATEGY */
TRACE(int21,"GET OR SET MEMORY/UMB ALLOCATION STRATEGY subfunction %d\n",
AL_reg(context));
switch (AL_reg(context))
{
case 0x00:
AX_reg(context) = 1;
break;
case 0x02:
AX_reg(context) = 0;
break;
case 0x01:
case 0x03:
break;
}
RESET_CFLAG(context);
break;
case 0x5a: /* CREATE TEMPORARY FILE */
TRACE(int21,"CREATE TEMPORARY FILE\n");
bSetDOSExtendedError = !INT21_CreateTempFile(context);
break;
case 0x5b: /* CREATE NEW FILE */
TRACE(int21,"CREATE NEW FILE 0x%02x for %s\n", CX_reg(context),
(LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
bSetDOSExtendedError = ((AX_reg(context) =
_lcreat_uniq( PTR_SEG_OFF_TO_LIN(DS_reg(context),DX_reg(context)), 0 ))
== (WORD)HFILE_ERROR16);
break;
case 0x5d: /* NETWORK */
FIXME(int21,"Function 0x%04x not implemented.\n", AX_reg (context));
/* Fix the following while you're at it. */
DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
bSetDOSExtendedError = TRUE;
break;
case 0x5e:
bSetDOSExtendedError = INT21_networkfunc (context);
break;
case 0x5f: /* NETWORK */
switch (AL_reg(context))
{
case 0x07: /* ENABLE DRIVE */
TRACE(int21,"ENABLE DRIVE %c:\n",(DL_reg(context)+'A'));
if (!DRIVE_Enable( DL_reg(context) ))
{
DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
bSetDOSExtendedError = TRUE;
}
break;
case 0x08: /* DISABLE DRIVE */
TRACE(int21,"DISABLE DRIVE %c:\n",(DL_reg(context)+'A'));
if (!DRIVE_Disable( DL_reg(context) ))
{
DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
bSetDOSExtendedError = TRUE;
}
break;
default:
/* network software not installed */
TRACE(int21,"NETWORK function AX=%04x not implemented\n",AX_reg(context));
DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
bSetDOSExtendedError = TRUE;
break;
}
break;
case 0x60: /* "TRUENAME" - CANONICALIZE FILENAME OR PATH */
TRACE(int21,"TRUENAME %s\n",
(LPCSTR)PTR_SEG_OFF_TO_LIN(DS_reg(context),SI_reg(context)));
{
if (!GetFullPathName32A( PTR_SEG_OFF_TO_LIN(DS_reg(context),
SI_reg(context)), 128,
PTR_SEG_OFF_TO_LIN(ES_reg(context),
DI_reg(context)),NULL))
bSetDOSExtendedError = TRUE;
else AX_reg(context) = 0;
}
break;
case 0x61: /* UNUSED */
case 0x63: /* UNUSED */
case 0x64: /* OS/2 DOS BOX */
INT_BARF( context, 0x21 );
SET_CFLAG(context);
break;
case 0x65:{/* GET EXTENDED COUNTRY INFORMATION */
extern WORD WINE_LanguageId;
BYTE *dataptr=PTR_SEG_OFF_TO_LIN(ES_reg(context),DI_reg(context));
TRACE(int21,"GET EXTENDED COUNTRY INFORMATION code page %d country %d\n",
BX_reg(context), DX_reg(context));
switch (AL_reg(context)) {
case 0x01:
TRACE(int21,"\tget general internationalization info\n");
dataptr[0] = 0x1;
*(WORD*)(dataptr+1) = 41;
*(WORD*)(dataptr+3) = WINE_LanguageId;
*(WORD*)(dataptr+5) = CodePage;
break;
case 0x06:
TRACE(int21,"\tget pointer to collating sequence table\n");
dataptr[0] = 0x06;
*(DWORD*)(dataptr+1) = MAKELONG(DOSMEM_CollateTable & 0xFFFF,DOSMEM_AllocSelector(DOSMEM_CollateTable>>16));
CX_reg(context) = 258;/*FIXME: size of table?*/
break;
default:
TRACE(int21,"\tunimplemented function %d\n",AL_reg(context));
INT_BARF( context, 0x21 );
SET_CFLAG(context);
break;
}
break;
}
case 0x66: /* GLOBAL CODE PAGE TABLE */
switch (AL_reg(context))
{
case 0x01:
TRACE(int21,"GET GLOBAL CODE PAGE TABLE\n");
DX_reg(context) = BX_reg(context) = CodePage;
RESET_CFLAG(context);
break;
case 0x02:
TRACE(int21,"SET GLOBAL CODE PAGE TABLE active page %d system page %d\n",
BX_reg(context),DX_reg(context));
CodePage = BX_reg(context);
RESET_CFLAG(context);
break;
}
break;
case 0x67: /* SET HANDLE COUNT */
TRACE(int21,"SET HANDLE COUNT to %d\n",BX_reg(context) );
SetHandleCount16( BX_reg(context) );
if (DOS_ExtendedError) bSetDOSExtendedError = TRUE;
break;
case 0x68: /* "FFLUSH" - COMMIT FILE */
case 0x6a: /* COMMIT FILE */
TRACE(int21,"FFLUSH/COMMIT handle %d\n",BX_reg(context));
bSetDOSExtendedError = (!FlushFileBuffers( BX_reg(context) ));
break;
case 0x69: /* DISK SERIAL NUMBER */
switch (AL_reg(context))
{
case 0x00:
TRACE(int21,"GET DISK SERIAL NUMBER for drive %s\n",
INT21_DriveName(BL_reg(context)));
if (!INT21_GetDiskSerialNumber(context)) bSetDOSExtendedError = TRUE;
else AX_reg(context) = 0;
break;
case 0x01:
TRACE(int21,"SET DISK SERIAL NUMBER for drive %s\n",
INT21_DriveName(BL_reg(context)));
if (!INT21_SetDiskSerialNumber(context)) bSetDOSExtendedError = TRUE;
else AX_reg(context) = 1;
break;
}
break;
case 0x6C: /* Extended Open/Create*/
TRACE(int21,"EXTENDED OPEN/CREATE %s\n",
(LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DI_reg(context)));
bSetDOSExtendedError = INT21_ExtendedOpenCreateFile(context);
break;
case 0x71: /* MS-DOS 7 (Windows95) - LONG FILENAME FUNCTIONS */
switch(AL_reg(context))
{
case 0x39: /* Create directory */
TRACE(int21,"LONG FILENAME - MAKE DIRECTORY %s\n",
(LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context),DX_reg(context)));
bSetDOSExtendedError = (!CreateDirectory32A(
PTR_SEG_OFF_TO_LIN( DS_reg(context),
DX_reg(context) ), NULL));
break;
case 0x3a: /* Remove directory */
TRACE(int21,"LONG FILENAME - REMOVE DIRECTORY %s\n",
(LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context),DX_reg(context)));
bSetDOSExtendedError = (!RemoveDirectory32A(
PTR_SEG_OFF_TO_LIN( DS_reg(context),
DX_reg(context) )));
break;
case 0x43: /* Get/Set file attributes */
TRACE(int21,"LONG FILENAME -EXTENDED GET/SET FILE ATTRIBUTES %s\n",
(LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context),DX_reg(context)));
switch (BL_reg(context))
{
case 0x00: /* Get file attributes */
TRACE(int21,"\tretrieve attributes\n");
CX_reg(context) = (WORD)GetFileAttributes32A(
PTR_SEG_OFF_TO_LIN(DS_reg(context),
DX_reg(context)));
if (CX_reg(context) == 0xffff) bSetDOSExtendedError = TRUE;
break;
case 0x01:
TRACE(int21,"\tset attributes 0x%04x\n",CX_reg(context));
bSetDOSExtendedError = (!SetFileAttributes32A(
PTR_SEG_OFF_TO_LIN(DS_reg(context),
DX_reg(context)),
CX_reg(context) ) );
break;
default:
FIXME(int21, "Unimplemented long file name function:\n");
INT_BARF( context, 0x21 );
SET_CFLAG(context);
AL_reg(context) = 0;
break;
}
break;
case 0x47: /* Get current directory */
TRACE(int21," LONG FILENAME - GET CURRENT DIRECTORY for drive %s\n",
INT21_DriveName(DL_reg(context)));
bSetDOSExtendedError = !INT21_GetCurrentDirectory(context);
break;
case 0x4e: /* Find first file */
TRACE(int21," LONG FILENAME - FIND FIRST MATCHING FILE for %s\n",
(LPCSTR)PTR_SEG_OFF_TO_LIN(DS_reg(context),DX_reg(context)));
/* FIXME: use attributes in CX */
if ((AX_reg(context) = FindFirstFile16(
PTR_SEG_OFF_TO_LIN(DS_reg(context),DX_reg(context)),
(WIN32_FIND_DATA32A *)PTR_SEG_OFF_TO_LIN(ES_reg(context),
DI_reg(context))))
== INVALID_HANDLE_VALUE16)
bSetDOSExtendedError = TRUE;
break;
case 0x4f: /* Find next file */
TRACE(int21,"LONG FILENAME - FIND NEXT MATCHING FILE for handle %d\n",
BX_reg(context));
if (!FindNextFile16( BX_reg(context),
(WIN32_FIND_DATA32A *)PTR_SEG_OFF_TO_LIN(ES_reg(context),
DI_reg(context))))
bSetDOSExtendedError = TRUE;
break;
case 0xa1: /* Find close */
TRACE(int21,"LONG FILENAME - FINDCLOSE for handle %d\n",
BX_reg(context));
bSetDOSExtendedError = (!FindClose16( BX_reg(context) ));
break;
case 0xa0:
TRACE(int21,"LONG FILENAME - GET VOLUME INFORMATION for drive %s stub\n",
(LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context),DX_reg(context)));
break;
case 0x60:
switch(CL_reg(context))
{
case 0x02: /*Get canonical long filename or path */
if (!GetFullPathName32A
( PTR_SEG_OFF_TO_LIN(DS_reg(context),
SI_reg(context)), 128,
PTR_SEG_OFF_TO_LIN(ES_reg(context),
DI_reg(context)),NULL))
bSetDOSExtendedError = TRUE;
else AX_reg(context) = 0;
break;
default:
FIXME(int21, "Unimplemented long file name function:\n");
INT_BARF( context, 0x21 );
SET_CFLAG(context);
AL_reg(context) = 0;
break;
}
break;
case 0x6c: /* Create or open file */
TRACE(int21,"LONG FILENAME - CREATE OR OPEN FILE %s\n",
(LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), SI_reg(context)));
/* translate Dos 7 action to Dos 6 action */
bSetDOSExtendedError = INT21_ExtendedOpenCreateFile(context);
break;
case 0x3b: /* Change directory */
TRACE(int21,"LONG FILENAME - CHANGE DIRECTORY %s\n",
(LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
if (!SetCurrentDirectory32A(PTR_SEG_OFF_TO_LIN(
DS_reg(context),
DX_reg(context)
))
) {
SET_CFLAG(context);
AL_reg(context) = DOS_ExtendedError;
}
break;
case 0x41: /* Delete file */
TRACE(int21,"LONG FILENAME - DELETE FILE %s\n",
(LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
if (!DeleteFile32A(PTR_SEG_OFF_TO_LIN(
DS_reg(context),
DX_reg(context))
)) {
SET_CFLAG(context);
AL_reg(context) = DOS_ExtendedError;
}
break;
case 0x56: /* Move (rename) file */
TRACE(int21,"LONG FILENAME - RENAME FILE %s to %s stub\n",
(LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)),
(LPCSTR)PTR_SEG_OFF_TO_LIN( ES_reg(context), DI_reg(context)));
default:
FIXME(int21, "Unimplemented long file name function:\n");
INT_BARF( context, 0x21 );
SET_CFLAG(context);
AL_reg(context) = 0;
break;
}
break;
case 0x70: /* MS-DOS 7 (Windows95) - ??? (country-specific?)*/
case 0x72: /* MS-DOS 7 (Windows95) - ??? */
case 0x73: /* MS-DOS 7 (Windows95) - DRIVE LOCKING ??? */
TRACE(int21,"windows95 function AX %04x\n",
AX_reg(context));
WARN(int21, " returning unimplemented\n");
SET_CFLAG(context);
AL_reg(context) = 0;
break;
case 0xdc: /* CONNECTION SERVICES - GET CONNECTION NUMBER */
case 0xea: /* NOVELL NETWARE - RETURN SHELL VERSION */
break;
default:
INT_BARF( context, 0x21 );
break;
} /* END OF SWITCH */
if( bSetDOSExtendedError ) /* set general error condition */
{
AX_reg(context) = DOS_ExtendedError;
SET_CFLAG(context);
}
if ((EFL_reg(context) & 0x0001))
TRACE(int21, "failed, errorcode 0x%02x class 0x%02x action 0x%02x locus %02x\n",
DOS_ExtendedError, DOS_ErrorClass, DOS_ErrorAction, DOS_ErrorLocus);
TRACE(int21, "returning: AX=%04x BX=%04x CX=%04x DX=%04x "
"SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
AX_reg(context), BX_reg(context), CX_reg(context),
DX_reg(context), SI_reg(context), DI_reg(context),
(WORD)DS_reg(context), (WORD)ES_reg(context),
EFL_reg(context));
}
FARPROC16 WINAPI GetSetKernelDOSProc(FARPROC16 DosProc)
{
FIXME(int21, "(DosProc=%08x);\n", (UINT32)DosProc);
return NULL;
}
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