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Changed DOS extended error handling to be based on SetLastError; 

should be more thread-safe this way.
This commit is contained in:
Alexandre Julliard 1999-01-31 15:23:45 +00:00
parent a27b48b132
commit 4ff2a27c09
6 changed files with 220 additions and 201 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
files/directory.c
View File

@ -294,7 +294,7 @@ BOOL32 WINAPI CreateDirectory32A( LPCSTR path,
if (DOSFS_GetDevice( path ))
{
TRACE(file, "cannot use device '%s'!\n",path);
DOS_ERROR( ER_AccessDenied, EC_AccessDenied, SA_Abort, EL_Disk );
SetLastError( ERROR_ACCESS_DENIED );
return FALSE;
}
if (!DOSFS_GetFullName( path, FALSE, &full_name )) return 0;
@ -362,7 +362,7 @@ BOOL32 WINAPI RemoveDirectory32A( LPCSTR path )
if (DOSFS_GetDevice( path ))
{
TRACE(file, "cannot remove device '%s'!\n", path);
DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
SetLastError( ERROR_FILE_NOT_FOUND );
return FALSE;
}
if (!DOSFS_GetFullName( path, TRUE, &full_name )) return FALSE;
@ -401,7 +401,7 @@ static BOOL32 DIR_TryPath( const DOS_FULL_NAME *dir, LPCSTR name,
if ((p_s >= full_name->short_name + sizeof(full_name->short_name) - 14) ||
(p_l >= full_name->long_name + sizeof(full_name->long_name) - 1))
{
DOS_ERROR( ER_PathNotFound, EC_NotFound, SA_Abort, EL_Disk );
SetLastError( ERROR_PATH_NOT_FOUND );
return FALSE;
}
if (!DOSFS_FindUnixName( dir->long_name, name, p_l,

28
files/dos_fs.c
View File

@ -72,12 +72,6 @@ static const DOS_DEVICE DOSFS_Devices[] =
#define GET_DRIVE(path) \
(((path)[1] == ':') ? toupper((path)[0]) - 'A' : DOSFS_CurDrive)
/* DOS extended error status */
WORD DOS_ExtendedError;
BYTE DOS_ErrorClass;
BYTE DOS_ErrorAction;
BYTE DOS_ErrorLocus;
/* Directory info for DOSFS_ReadDir */
typedef struct
{
@ -319,7 +313,7 @@ static DOS_DIR *DOSFS_OpenDir( LPCSTR path )
DOS_DIR *dir = HeapAlloc( SystemHeap, 0, sizeof(*dir) );
if (!dir)
{
DOS_ERROR( ER_OutOfMemory, EC_OutOfResource, SA_Abort, EL_Memory );
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
return NULL;
}
@ -716,7 +710,7 @@ static int DOSFS_GetPathDrive( const char **name )
if (!DRIVE_IsValid(drive))
{
DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
SetLastError( ERROR_INVALID_DRIVE );
return -1;
}
return drive;
@ -800,7 +794,7 @@ BOOL32 DOSFS_GetFullName( LPCSTR name, BOOL32 check_last, DOS_FULL_NAME *full )
if ((p_s >= full->short_name + sizeof(full->short_name) - 14) ||
(p_l >= full->long_name + sizeof(full->long_name) - 1))
{
DOS_ERROR( ER_PathNotFound, EC_NotFound, SA_Abort, EL_Disk );
SetLastError( ERROR_PATH_NOT_FOUND );
return FALSE;
}
@ -841,12 +835,12 @@ BOOL32 DOSFS_GetFullName( LPCSTR name, BOOL32 check_last, DOS_FULL_NAME *full )
{
if (check_last)
{
DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
SetLastError( ERROR_FILE_NOT_FOUND );
return FALSE;
}
if (*name) /* Not last */
{
DOS_ERROR( ER_PathNotFound, EC_NotFound, SA_Abort, EL_Disk );
SetLastError( ERROR_PATH_NOT_FOUND );
return FALSE;
}
}
@ -1052,7 +1046,7 @@ static DWORD DOSFS_DoGetFullPathName( LPCSTR name, DWORD len, LPSTR result,
}
}
if ( *endchar )
{ DOS_ERROR( ER_PathNotFound, EC_NotFound, SA_Abort, EL_Disk );
{ SetLastError( ERROR_PATH_NOT_FOUND );
return 0;
}
while (!IS_END_OF_NAME(*name) && (!*endchar) )
@ -1330,7 +1324,7 @@ HANDLE16 WINAPI FindFirstFile16( LPCSTR path, WIN32_FIND_DATA32A *data )
if (!FindNextFile16( handle, data ))
{
FindClose16( handle );
DOS_ERROR( ER_NoMoreFiles, EC_MediaError, SA_Abort, EL_Disk );
SetLastError( ERROR_NO_MORE_FILES );
return INVALID_HANDLE_VALUE16;
}
return handle;
@ -1381,13 +1375,13 @@ BOOL16 WINAPI FindNextFile16( HANDLE16 handle, WIN32_FIND_DATA32A *data )
if (!(info = (FIND_FIRST_INFO *)GlobalLock16( handle )))
{
DOS_ERROR( ER_InvalidHandle, EC_ProgramError, SA_Abort, EL_Disk );
SetLastError( ERROR_INVALID_HANDLE );
return FALSE;
}
GlobalUnlock16( handle );
if (!info->path || !info->dir)
{
DOS_ERROR( ER_NoMoreFiles, EC_MediaError, SA_Abort, EL_Disk );
SetLastError( ERROR_NO_MORE_FILES );
return FALSE;
}
if (!DOSFS_FindNextEx( info, data ))
@ -1395,7 +1389,7 @@ BOOL16 WINAPI FindNextFile16( HANDLE16 handle, WIN32_FIND_DATA32A *data )
DOSFS_CloseDir( info->dir ); info->dir = NULL;
HeapFree( SystemHeap, 0, info->path );
info->path = info->long_mask = NULL;
DOS_ERROR( ER_NoMoreFiles, EC_MediaError, SA_Abort, EL_Disk );
SetLastError( ERROR_NO_MORE_FILES );
return FALSE;
}
return TRUE;
@ -1440,7 +1434,7 @@ BOOL16 WINAPI FindClose16( HANDLE16 handle )
if ((handle == INVALID_HANDLE_VALUE16) ||
!(info = (FIND_FIRST_INFO *)GlobalLock16( handle )))
{
DOS_ERROR( ER_InvalidHandle, EC_ProgramError, SA_Abort, EL_Disk );
SetLastError( ERROR_INVALID_HANDLE );
return FALSE;
}
if (info->dir) DOSFS_CloseDir( info->dir );

13
files/drive.c
View File

@ -34,6 +34,7 @@
#include "windows.h"
#include "winbase.h"
#include "winerror.h"
#include "drive.h"
#include "file.h"
#include "heap.h"
@ -267,7 +268,7 @@ int DRIVE_SetCurrentDrive( int drive )
TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
if (!DRIVE_IsValid( drive ))
{
DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
SetLastError( ERROR_INVALID_DRIVE );
return 0;
}
TRACE(dosfs, "%c:\n", 'A' + drive );
@ -460,7 +461,7 @@ int DRIVE_Chdir( int drive, const char *path )
if (!FILE_Stat( full_name.long_name, &info )) return 0;
if (!(info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
{
DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
SetLastError( ERROR_FILE_NOT_FOUND );
return 0;
}
unix_cwd = full_name.long_name + strlen( DOSDrives[drive].root );
@ -493,7 +494,7 @@ int DRIVE_Disable( int drive )
{
if ((drive < 0) || (drive >= MAX_DOS_DRIVES) || !DOSDrives[drive].root)
{
DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
SetLastError( ERROR_INVALID_DRIVE );
return 0;
}
DOSDrives[drive].flags |= DRIVE_DISABLED;
@ -508,7 +509,7 @@ int DRIVE_Enable( int drive )
{
if ((drive < 0) || (drive >= MAX_DOS_DRIVES) || !DOSDrives[drive].root)
{
DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
SetLastError( ERROR_INVALID_DRIVE );
return 0;
}
DOSDrives[drive].flags &= ~DRIVE_DISABLED;
@ -533,7 +534,7 @@ int DRIVE_SetLogicalMapping ( int existing_drive, int new_drive )
!old->root ||
(new_drive < 0) || (new_drive >= MAX_DOS_DRIVES))
{
DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
SetLastError( ERROR_INVALID_DRIVE );
return 0;
}
@ -644,7 +645,7 @@ static int DRIVE_GetFreeSpace( int drive, LPULARGE_INTEGER size,
if (!DRIVE_IsValid(drive))
{
DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
SetLastError( ERROR_INVALID_DRIVE );
return 0;
}

87
files/file.c
View File

@ -226,7 +226,7 @@ test_ro_int24:
fail_int24:
FIXME(file,"generate INT24 missing\n");
/* Is this the right error? */
DOS_ERROR( ER_AccessDenied, EC_AccessDenied, SA_Abort, EL_Disk );
SetLastError( ERROR_ACCESS_DENIED );
return TRUE;
test_ro_err05:
@ -235,7 +235,7 @@ test_ro_err05:
/* fall through */
fail_error05:
TRACE(file,"Access Denied, oldmode 0x%02x mode 0x%02x\n",oldmode,mode);
DOS_ERROR( ER_AccessDenied, EC_AccessDenied, SA_Abort, EL_Disk );
SetLastError( ERROR_ACCESS_DENIED );
return TRUE;
}
#endif
@ -254,45 +254,45 @@ void FILE_SetDosError(void)
switch (save_errno)
{
case EAGAIN:
DOS_ERROR( ER_ShareViolation, EC_Temporary, SA_Retry, EL_Disk );
SetLastError( ERROR_SHARING_VIOLATION );
break;
case EBADF:
DOS_ERROR( ER_InvalidHandle, EC_ProgramError, SA_Abort, EL_Disk );
SetLastError( ERROR_INVALID_HANDLE );
break;
case ENOSPC:
DOS_ERROR( ER_DiskFull, EC_MediaError, SA_Abort, EL_Disk );
SetLastError( ERROR_HANDLE_DISK_FULL );
break;
case EACCES:
case EPERM:
case EROFS:
DOS_ERROR( ER_AccessDenied, EC_AccessDenied, SA_Abort, EL_Disk );
SetLastError( ERROR_ACCESS_DENIED );
break;
case EBUSY:
DOS_ERROR( ER_LockViolation, EC_AccessDenied, SA_Abort, EL_Disk );
SetLastError( ERROR_LOCK_VIOLATION );
break;
case ENOENT:
DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
SetLastError( ERROR_FILE_NOT_FOUND );
break;
case EISDIR:
DOS_ERROR( ER_CanNotMakeDir, EC_AccessDenied, SA_Abort, EL_Unknown );
SetLastError( ERROR_CANNOT_MAKE );
break;
case ENFILE:
case EMFILE:
DOS_ERROR( ER_NoMoreFiles, EC_MediaError, SA_Abort, EL_Unknown );
SetLastError( ERROR_NO_MORE_FILES );
break;
case EEXIST:
DOS_ERROR( ER_FileExists, EC_Exists, SA_Abort, EL_Disk );
SetLastError( ERROR_FILE_EXISTS );
break;
case EINVAL:
case ESPIPE:
DOS_ERROR( ER_SeekError, EC_NotFound, SA_Ignore, EL_Disk );
SetLastError( ERROR_SEEK );
break;
case ENOTEMPTY:
DOS_ERROR( ERROR_DIR_NOT_EMPTY, EC_Exists, SA_Ignore, EL_Disk );
SetLastError( ERROR_DIR_NOT_EMPTY );
break;
default:
perror( "int21: unknown errno" );
DOS_ERROR( ER_GeneralFailure, EC_SystemFailure, SA_Abort, EL_Unknown );
SetLastError( ERROR_GEN_FAILURE );
break;
}
errno = save_errno;
@ -329,8 +329,8 @@ HFILE32 FILE_DupUnixHandle( int fd, DWORD access )
if (!(file = HeapAlloc( SystemHeap, 0, sizeof(FILE_OBJECT) )))
{
DOS_ERROR( ER_TooManyOpenFiles, EC_ProgramError, SA_Abort, EL_Disk );
CLIENT_CloseHandle( reply.handle );
SetLastError( ERROR_TOO_MANY_OPEN_FILES );
return (HFILE32)NULL;
}
file->header.type = K32OBJ_FILE;
@ -507,7 +507,7 @@ HFILE32 WINAPI CreateFile32A( LPCSTR filename, DWORD access, DWORD sharing,
/* Do not silence this please. It is a critical error. -MM */
ERR(file, "Couldn't open device '%s'!\n",filename);
DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
SetLastError( ERROR_FILE_NOT_FOUND );
return HFILE_ERROR32;
}
@ -766,7 +766,7 @@ UINT32 WINAPI GetTempFileName32A( LPCSTR path, LPCSTR prefix, UINT32 unique,
CloseHandle( handle );
break;
}
if (DOS_ExtendedError != ER_FileExists)
if (GetLastError() != ERROR_FILE_EXISTS)
break; /* No need to go on */
num++;
sprintf( p, "%04x.tmp", num );
@ -932,7 +932,7 @@ found:
CloseHandle( hFileRet );
WARN(file, "(%s): OF_VERIFY failed\n", name );
/* FIXME: what error here? */
DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
SetLastError( ERROR_FILE_NOT_FOUND );
goto error;
}
}
@ -940,17 +940,27 @@ found:
success: /* We get here if the open was successful */
TRACE(file, "(%s): OK, return = %d\n", name, hFileRet );
if (mode & OF_EXIST) /* Return the handle, but close it first */
CloseHandle( hFileRet );
if (win32)
{
if (mode & OF_EXIST) /* Return the handle, but close it first */
CloseHandle( hFileRet );
}
else
{
hFileRet = FILE_AllocDosHandle( hFileRet );
if (hFileRet == HFILE_ERROR16) goto error;
if (mode & OF_EXIST) /* Return the handle, but close it first */
_lclose16( hFileRet );
}
return hFileRet;
not_found: /* We get here if the file does not exist */
WARN(file, "'%s' not found\n", name );
DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
SetLastError( ERROR_FILE_NOT_FOUND );
/* fall through */
error: /* We get here if there was an error opening the file */
ofs->nErrCode = DOS_ExtendedError;
ofs->nErrCode = GetLastError();
WARN(file, "(%s): return = HFILE_ERROR error= %d\n",
name,ofs->nErrCode );
return HFILE_ERROR32;
@ -962,8 +972,7 @@ error: /* We get here if there was an error opening the file */
*/
HFILE16 WINAPI OpenFile16( LPCSTR name, OFSTRUCT *ofs, UINT16 mode )
{
TRACE(file,"OpenFile16(%s,%i)\n", name, mode);
return FILE_AllocDosHandle( FILE_DoOpenFile( name, ofs, mode, FALSE ) );
return FILE_DoOpenFile( name, ofs, mode, FALSE );
}
@ -1025,8 +1034,8 @@ HFILE16 FILE_AllocDosHandle( HANDLE32 handle )
return i;
}
error:
DOS_ERROR( ER_TooManyOpenFiles, EC_ProgramError, SA_Abort, EL_Disk );
CloseHandle( handle );
SetLastError( ERROR_TOO_MANY_OPEN_FILES );
return INVALID_HANDLE_VALUE16;
}
@ -1041,7 +1050,7 @@ HANDLE32 FILE_GetHandle32( HFILE16 hfile )
HANDLE32 *table = PROCESS_Current()->dos_handles;
if ((hfile >= DOS_TABLE_SIZE) || !table || !table[hfile])
{
DOS_ERROR( ER_InvalidHandle, EC_ProgramError, SA_Abort, EL_Disk );
SetLastError( ERROR_INVALID_HANDLE );
return INVALID_HANDLE_VALUE32;
}
return table[hfile];
@ -1061,13 +1070,13 @@ HFILE16 FILE_Dup2( HFILE16 hFile1, HFILE16 hFile2 )
if ((hFile1 >= DOS_TABLE_SIZE) || (hFile2 >= DOS_TABLE_SIZE) ||
!table || !table[hFile1])
{
DOS_ERROR( ER_InvalidHandle, EC_ProgramError, SA_Abort, EL_Disk );
SetLastError( ERROR_INVALID_HANDLE );
return HFILE_ERROR16;
}
if (hFile2 < 5)
{
FIXME( file, "stdio handle closed, need proper conversion\n" );
DOS_ERROR( ER_InvalidHandle, EC_ProgramError, SA_Abort, EL_Disk );
SetLastError( ERROR_INVALID_HANDLE );
return HFILE_ERROR16;
}
if (!DuplicateHandle( GetCurrentProcess(), table[hFile1],
@ -1090,12 +1099,12 @@ HFILE16 WINAPI _lclose16( HFILE16 hFile )
if (hFile < 5)
{
FIXME( file, "stdio handle closed, need proper conversion\n" );
DOS_ERROR( ER_InvalidHandle, EC_ProgramError, SA_Abort, EL_Disk );
SetLastError( ERROR_INVALID_HANDLE );
return HFILE_ERROR16;
}
if ((hFile >= DOS_TABLE_SIZE) || !table || !table[hFile])
{
DOS_ERROR( ER_InvalidHandle, EC_ProgramError, SA_Abort, EL_Disk );
SetLastError( ERROR_INVALID_HANDLE );
return HFILE_ERROR16;
}
TRACE( file, "%d (handle32=%d)\n", hFile, table[hFile] );
@ -1443,7 +1452,7 @@ UINT16 WINAPI SetHandleCount16( UINT16 count )
HGLOBAL16 newhandle = GlobalAlloc16( GMEM_MOVEABLE, count );
if (!newhandle)
{
DOS_ERROR( ER_OutOfMemory, EC_OutOfResource, SA_Abort, EL_Memory );
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
return pdb->nbFiles;
}
newfiles = (BYTE *)GlobalLock16( newhandle );
@ -1528,7 +1537,7 @@ BOOL32 WINAPI DeleteFile32A( LPCSTR path )
if (DOSFS_GetDevice( path ))
{
WARN(file, "cannot remove DOS device '%s'!\n", path);
DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
SetLastError( ERROR_FILE_NOT_FOUND );
return FALSE;
}
@ -1682,7 +1691,7 @@ BOOL32 WINAPI MoveFileEx32A( LPCSTR fn1, LPCSTR fn2, DWORD flag )
/* use copy, if allowed */
if (!(flag & MOVEFILE_COPY_ALLOWED)) {
/* FIXME: Use right error code */
DOS_ERROR( ER_FileExists, EC_Exists, SA_Abort, EL_Disk );
SetLastError( ERROR_FILE_EXISTS );
return FALSE;
}
else mode =1;
@ -1691,7 +1700,7 @@ BOOL32 WINAPI MoveFileEx32A( LPCSTR fn1, LPCSTR fn2, DWORD flag )
/* target exists, check if we may overwrite */
if (!(flag & MOVEFILE_REPLACE_EXISTING)) {
/* FIXME: Use right error code */
DOS_ERROR( ER_AccessDenied, EC_AccessDenied, SA_Abort, EL_Disk );
SetLastError( ERROR_ACCESS_DENIED );
return FALSE;
}
}
@ -1699,8 +1708,7 @@ BOOL32 WINAPI MoveFileEx32A( LPCSTR fn1, LPCSTR fn2, DWORD flag )
if (flag & MOVEFILE_DELAY_UNTIL_REBOOT) {
if (flag & MOVEFILE_COPY_ALLOWED) {
WARN(file, "Illegal flag\n");
DOS_ERROR( ER_GeneralFailure, EC_SystemFailure, SA_Abort,
EL_Unknown );
SetLastError( ERROR_GEN_FAILURE );
return FALSE;
}
/* FIXME: (bon@elektron.ikp.physik.th-darmstadt.de 970706)
@ -1791,8 +1799,7 @@ BOOL32 WINAPI MoveFile32A( LPCSTR fn1, LPCSTR fn2 )
if (S_ISDIR(fstat.st_mode)) {
/* No Move for directories across file systems */
/* FIXME: Use right error code */
DOS_ERROR( ER_GeneralFailure, EC_SystemFailure, SA_Abort,
EL_Unknown );
SetLastError( ERROR_GEN_FAILURE );
return FALSE;
}
else
@ -2126,7 +2133,7 @@ BOOL32 WINAPI LockFile(
/* shadow locks internally */
if (!DOS_AddLock(file, &f)) {
DOS_ERROR( ER_LockViolation, EC_AccessDenied, SA_Ignore, EL_Disk );
SetLastError( ERROR_LOCK_VIOLATION );
return FALSE;
}
@ -2134,7 +2141,7 @@ BOOL32 WINAPI LockFile(
#ifdef USE_UNIX_LOCKS
if (fcntl(file->unix_handle, F_SETLK, &f) == -1) {
if (errno == EACCES || errno == EAGAIN) {
DOS_ERROR( ER_LockViolation, EC_AccessDenied, SA_Ignore, EL_Disk );
SetLastError( ERROR_LOCK_VIOLATION );
}
else {
FILE_SetDosError();

9
include/msdos.h
View File

@ -113,15 +113,6 @@ extern struct DosDeviceStruct LPT[MAX_PORTS];
#define FA_ARCHIVE 0x20 /* Archive */
#define FA_UNUSED 0x40 /* Unused */
extern WORD DOS_ExtendedError;
extern BYTE DOS_ErrorClass, DOS_ErrorAction, DOS_ErrorLocus;
#define DOS_ERROR(err,class,action,locus) \
( SetLastError(err), \
DOS_ErrorClass = (class), DOS_ErrorAction = (action), \
DOS_ErrorLocus = (locus), DOS_ExtendedError = (err) )
/* Error codes */
#define ER_NoError 0x00

278
msdos/int21.c
View File

@ -17,6 +17,7 @@
#include <utime.h>
#include <ctype.h>
#include "windows.h"
#include "winerror.h"
#include "drive.h"
#include "file.h"
#include "heap.h"
@ -178,7 +179,7 @@ static void GetDrivePB( CONTEXT *context, int drive )
{
if(!DRIVE_IsValid(drive))
{
DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
SetLastError( ERROR_INVALID_DRIVE );
AX_reg(context) = 0x00ff;
}
else if (heap || INT21_CreateHeap())
@ -253,7 +254,7 @@ static BOOL32 ioctlGenericBlkDevReq( CONTEXT *context )
if (!DRIVE_IsValid(drive))
{
DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
SetLastError( ERROR_FILE_NOT_FOUND );
return TRUE;
}
@ -432,83 +433,7 @@ static void OpenExistingFile( CONTEXT *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 *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_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;
AX_reg(context) = GetLastError();
SET_CFLAG(context);
}
}
@ -532,8 +457,7 @@ static BOOL32 INT21_ExtendedOpenCreateFile(CONTEXT *context )
if ((action & 0x07) == 0)
{
BX_reg(context) = AX_reg(context);
CloseFile(context);
_lclose16( AX_reg(context) );
AX_reg(context) = 0x0050; /*File exists*/
SET_CFLAG(context);
WARN(int21, "extended open/create: failed because file exists \n");
@ -543,21 +467,15 @@ static BOOL32 INT21_ExtendedOpenCreateFile(CONTEXT *context )
/* 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);
_lclose16( AX_reg(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)
if (_lclose16( AX_reg(context) ))
{
WARN(int21, "extended open/create: close before trunc failed\n");
AX_reg(context) = 0x0019; /*Seek Error*/
@ -641,7 +559,7 @@ static int INT21_FindFirst( CONTEXT *context )
dta->unixPath = NULL;
if (!DOSFS_GetFullName( path, FALSE, &full_name ))
{
AX_reg(context) = DOS_ExtendedError;
AX_reg(context) = GetLastError();
SET_CFLAG(context);
return 0;
}
@ -656,8 +574,8 @@ static int INT21_FindFirst( CONTEXT *context )
{
HeapFree( GetProcessHeap(), 0, dta->unixPath );
dta->unixPath = NULL;
DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
AX_reg(context) = ER_FileNotFound;
SetLastError( ERROR_FILE_NOT_FOUND );
AX_reg(context) = ERROR_FILE_NOT_FOUND;
SET_CFLAG(context);
return 0;
}
@ -727,7 +645,7 @@ static BOOL32 INT21_CreateTempFile( CONTEXT *context )
TRACE(int21, "created %s\n", name );
return TRUE;
}
if (DOS_ExtendedError != ER_FileExists) return FALSE;
if (GetLastError() != ERROR_FILE_EXISTS) return FALSE;
}
}
@ -739,7 +657,7 @@ static BOOL32 INT21_GetCurrentDirectory( CONTEXT *context )
if (!DRIVE_IsValid(drive))
{
DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
SetLastError( ERROR_INVALID_DRIVE );
return FALSE;
}
lstrcpyn32A( ptr, DRIVE_GetDosCwd(drive), 64 );
@ -770,7 +688,7 @@ static int INT21_GetDiskSerialNumber( CONTEXT *context )
if (!DRIVE_IsValid(drive))
{
DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
SetLastError( ERROR_INVALID_DRIVE );
return 0;
}
@ -789,7 +707,7 @@ static int INT21_SetDiskSerialNumber( CONTEXT *context )
if (!DRIVE_IsValid(drive))
{
DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
SetLastError( ERROR_INVALID_DRIVE );
return 0;
}
@ -919,7 +837,7 @@ static void fLock( CONTEXT * context )
if (!LockFile(FILE_GetHandle32(BX_reg(context)),
MAKELONG(DX_reg(context),CX_reg(context)), 0,
MAKELONG(DI_reg(context),SI_reg(context)), 0)) {
AX_reg(context) = DOS_ExtendedError;
AX_reg(context) = GetLastError();
SET_CFLAG(context);
}
break;
@ -932,7 +850,7 @@ static void fLock( CONTEXT * context )
if (!UnlockFile(FILE_GetHandle32(BX_reg(context)),
MAKELONG(DX_reg(context),CX_reg(context)), 0,
MAKELONG(DI_reg(context),SI_reg(context)), 0)) {
AX_reg(context) = DOS_ExtendedError;
AX_reg(context) = GetLastError();
SET_CFLAG(context);
}
return;
@ -954,7 +872,7 @@ INT21_networkfunc (CONTEXT *context)
if (gethostname (dst, 15))
{
WARN(int21,"failed!\n");
DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
SetLastError( ER_NoNetwork );
return TRUE;
} else {
int len = strlen (dst);
@ -969,7 +887,7 @@ INT21_networkfunc (CONTEXT *context)
}
default:
DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
SetLastError( ER_NoNetwork );
return TRUE;
}
}
@ -1060,6 +978,120 @@ Output of DOS 6.22:
return seg_LOL+(WORD)&((DOS_LISTOFLISTS*)0)->ptr_first_DPB;
}
/***********************************************************************
* INT21_GetExtendedError
*/
static void INT21_GetExtendedError( CONTEXT *context )
{
BYTE class, action, locus;
WORD error = GetLastError();
switch(error)
{
case ERROR_SUCCESS:
class = action = locus = 0;
break;
case ERROR_DIR_NOT_EMPTY:
class = EC_Exists;
action = SA_Ignore;
locus = EL_Disk;
break;
case ERROR_ACCESS_DENIED:
class = EC_AccessDenied;
action = SA_Abort;
locus = EL_Disk;
break;
case ERROR_CANNOT_MAKE:
class = EC_AccessDenied;
action = SA_Abort;
locus = EL_Unknown;
break;
case ERROR_HANDLE_DISK_FULL:
class = EC_MediaError;
action = SA_Abort;
locus = EL_Disk;
break;
case ERROR_FILE_EXISTS:
class = EC_Exists;
action = SA_Abort;
locus = EL_Disk;
break;
case ERROR_FILE_NOT_FOUND:
class = EC_NotFound;
action = SA_Abort;
locus = EL_Disk;
break;
case ER_GeneralFailure:
class = EC_SystemFailure;
action = SA_Abort;
locus = EL_Unknown;
break;
case ERROR_INVALID_DRIVE:
class = EC_MediaError;
action = SA_Abort;
locus = EL_Disk;
break;
case ERROR_INVALID_HANDLE:
class = EC_ProgramError;
action = SA_Abort;
locus = EL_Disk;
break;
case ERROR_LOCK_VIOLATION:
class = EC_AccessDenied;
action = SA_Abort;
locus = EL_Disk;
break;
case ERROR_NO_MORE_FILES:
class = EC_MediaError;
action = SA_Abort;
locus = EL_Disk;
break;
case ER_NoNetwork:
class = EC_NotFound;
action = SA_Abort;
locus = EL_Network;
break;
case ERROR_NOT_ENOUGH_MEMORY:
class = EC_OutOfResource;
action = SA_Abort;
locus = EL_Memory;
break;
case ERROR_PATH_NOT_FOUND:
class = EC_NotFound;
action = SA_Abort;
locus = EL_Disk;
break;
case ERROR_SEEK:
class = EC_NotFound;
action = SA_Ignore;
locus = EL_Disk;
break;
case ERROR_SHARING_VIOLATION:
class = EC_Temporary;
action = SA_Retry;
locus = EL_Disk;
break;
case ERROR_TOO_MANY_OPEN_FILES:
class = EC_ProgramError;
action = SA_Abort;
locus = EL_Disk;
break;
default:
FIXME( int21, "Unknown error %d\n", error );
class = EC_SystemFailure;
action = SA_Abort;
locus = EL_Unknown;
break;
}
TRACE( int21, "GET EXTENDED ERROR code 0x%02x class 0x%02x action 0x%02x locus %02x\n",
error, class, action, locus );
AX_reg(context) = error;
BH_reg(context) = class;
BL_reg(context) = action;
CH_reg(context) = locus;
}
/***********************************************************************
* DOS3Call (KERNEL.102)
*/
@ -1078,12 +1110,7 @@ void WINAPI DOS3Call( CONTEXT *context )
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;
INT21_GetExtendedError( context );
return;
}
@ -1096,7 +1123,7 @@ void WINAPI DOS3Call( CONTEXT *context )
if (AH_reg(context)>=0x2f) {
/* extended error is used by (at least) functions 0x2f to 0x62 */
DOS_ERROR( 0, 0, 0, 0 );
SetLastError(0);
}
RESET_CFLAG(context); /* Not sure if this is a good idea */
@ -1593,8 +1620,8 @@ void WINAPI DOS3Call( CONTEXT *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;
SetLastError( ERROR_INVALID_DRIVE );
AX_reg(context) = ERROR_INVALID_DRIVE;
SET_CFLAG(context);
break;
case DRIVE_REMOVABLE:
@ -1612,8 +1639,8 @@ void WINAPI DOS3Call( CONTEXT *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;
SetLastError( ERROR_INVALID_DRIVE );
AX_reg(context) = ERROR_INVALID_DRIVE;
SET_CFLAG(context);
break;
case DRIVE_REMOTE:
@ -1802,8 +1829,8 @@ void WINAPI DOS3Call( CONTEXT *context )
TRACE(int21,"FINDNEXT\n");
if (!INT21_FindNext(context))
{
DOS_ERROR( ER_NoMoreFiles, EC_MediaError, SA_Abort, EL_Disk );
AX_reg(context) = ER_NoMoreFiles;
SetLastError( ERROR_NO_MORE_FILES );
AX_reg(context) = ERROR_NO_MORE_FILES;
SET_CFLAG(context);
}
else AX_reg(context) = 0; /* OK */
@ -1908,7 +1935,7 @@ void WINAPI DOS3Call( CONTEXT *context )
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 );
SetLastError( ER_NoNetwork );
bSetDOSExtendedError = TRUE;
break;
@ -1923,7 +1950,7 @@ void WINAPI DOS3Call( CONTEXT *context )
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 );
SetLastError( ERROR_INVALID_DRIVE );
bSetDOSExtendedError = TRUE;
}
break;
@ -1932,7 +1959,7 @@ void WINAPI DOS3Call( CONTEXT *context )
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 );
SetLastError( ERROR_INVALID_DRIVE );
bSetDOSExtendedError = TRUE;
}
break;
@ -1940,7 +1967,7 @@ void WINAPI DOS3Call( CONTEXT *context )
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 );
SetLastError( ER_NoNetwork );
bSetDOSExtendedError = TRUE;
break;
}
@ -2020,7 +2047,7 @@ void WINAPI DOS3Call( CONTEXT *context )
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;
if (GetLastError()) bSetDOSExtendedError = TRUE;
break;
case 0x68: /* "FFLUSH" - COMMIT FILE */
@ -2183,7 +2210,7 @@ void WINAPI DOS3Call( CONTEXT *context )
))
) {
SET_CFLAG(context);
AL_reg(context) = DOS_ExtendedError;
AL_reg(context) = GetLastError();
}
break;
case 0x41: /* Delete file */
@ -2194,7 +2221,7 @@ void WINAPI DOS3Call( CONTEXT *context )
EDX_reg(context))
)) {
SET_CFLAG(context);
AL_reg(context) = DOS_ExtendedError;
AL_reg(context) = GetLastError();
}
break;
case 0x56: /* Move (rename) file */
@ -2232,13 +2259,12 @@ void WINAPI DOS3Call( CONTEXT *context )
if( bSetDOSExtendedError ) /* set general error condition */
{
AX_reg(context) = DOS_ExtendedError;
AX_reg(context) = GetLastError();
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, "failed, error 0x%04lx\n", GetLastError() );
TRACE(int21, "returning: AX=%04x BX=%04x CX=%04x DX=%04x "
"SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",