283 lines
7.7 KiB
C
283 lines
7.7 KiB
C
/*
|
|
* File handling functions
|
|
*
|
|
* Copyright 1993 John Burton
|
|
* Copyright 1996 Alexandre Julliard
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
* TODO:
|
|
* Fix the CopyFileEx methods to implement the "extended" functionality.
|
|
* Right now, they simply call the CopyFile method.
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "wine/port.h"
|
|
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <assert.h>
|
|
|
|
#define NONAMELESSUNION
|
|
#define NONAMELESSSTRUCT
|
|
#include "winerror.h"
|
|
#include "windef.h"
|
|
#include "winbase.h"
|
|
#include "winreg.h"
|
|
#include "winternl.h"
|
|
#include "wine/winbase16.h"
|
|
#include "wine/server.h"
|
|
|
|
#include "msdos.h"
|
|
#include "kernel_private.h"
|
|
|
|
#include "wine/unicode.h"
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(file);
|
|
|
|
/***********************************************************************
|
|
* _hread16 (KERNEL.349)
|
|
*/
|
|
LONG WINAPI _hread16( HFILE16 hFile, LPVOID buffer, LONG count)
|
|
{
|
|
return _lread( (HFILE)DosFileHandleToWin32Handle(hFile), buffer, count );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* _hwrite (KERNEL.350)
|
|
*/
|
|
LONG WINAPI _hwrite16( HFILE16 hFile, LPCSTR buffer, LONG count )
|
|
{
|
|
return _hwrite( (HFILE)DosFileHandleToWin32Handle(hFile), buffer, count );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* _lcreat (KERNEL.83)
|
|
*/
|
|
HFILE16 WINAPI _lcreat16( LPCSTR path, INT16 attr )
|
|
{
|
|
return Win32HandleToDosFileHandle( (HANDLE)_lcreat( path, attr ) );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* _llseek (KERNEL.84)
|
|
*
|
|
* FIXME:
|
|
* Seeking before the start of the file should be allowed for _llseek16,
|
|
* but cause subsequent I/O operations to fail (cf. interrupt list)
|
|
*
|
|
*/
|
|
LONG WINAPI _llseek16( HFILE16 hFile, LONG lOffset, INT16 nOrigin )
|
|
{
|
|
return SetFilePointer( DosFileHandleToWin32Handle(hFile), lOffset, NULL, nOrigin );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* _lopen (KERNEL.85)
|
|
*/
|
|
HFILE16 WINAPI _lopen16( LPCSTR path, INT16 mode )
|
|
{
|
|
return Win32HandleToDosFileHandle( (HANDLE)_lopen( path, mode ) );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* _lread16 (KERNEL.82)
|
|
*/
|
|
UINT16 WINAPI _lread16( HFILE16 hFile, LPVOID buffer, UINT16 count )
|
|
{
|
|
return (UINT16)_lread((HFILE)DosFileHandleToWin32Handle(hFile), buffer, (LONG)count );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* _lwrite (KERNEL.86)
|
|
*/
|
|
UINT16 WINAPI _lwrite16( HFILE16 hFile, LPCSTR buffer, UINT16 count )
|
|
{
|
|
return (UINT16)_hwrite( (HFILE)DosFileHandleToWin32Handle(hFile), buffer, (LONG)count );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* _hread (KERNEL.349)
|
|
*/
|
|
LONG WINAPI WIN16_hread( HFILE16 hFile, SEGPTR buffer, LONG count )
|
|
{
|
|
LONG maxlen;
|
|
|
|
TRACE("%d %08lx %ld\n", hFile, (DWORD)buffer, count );
|
|
|
|
/* Some programs pass a count larger than the allocated buffer */
|
|
maxlen = GetSelectorLimit16( SELECTOROF(buffer) ) - OFFSETOF(buffer) + 1;
|
|
if (count > maxlen) count = maxlen;
|
|
return _lread((HFILE)DosFileHandleToWin32Handle(hFile), MapSL(buffer), count );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* _lread (KERNEL.82)
|
|
*/
|
|
UINT16 WINAPI WIN16_lread( HFILE16 hFile, SEGPTR buffer, UINT16 count )
|
|
{
|
|
return (UINT16)WIN16_hread( hFile, buffer, (LONG)count );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DeleteFile (KERNEL.146)
|
|
*/
|
|
BOOL16 WINAPI DeleteFile16( LPCSTR path )
|
|
{
|
|
return DeleteFileA( path );
|
|
}
|
|
|
|
/**************************************************************************
|
|
* GetFileAttributes (KERNEL.420)
|
|
*/
|
|
DWORD WINAPI GetFileAttributes16( LPCSTR name )
|
|
{
|
|
return GetFileAttributesA( name );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetTempFileName (KERNEL.97)
|
|
*/
|
|
UINT16 WINAPI GetTempFileName16( BYTE drive, LPCSTR prefix, UINT16 unique,
|
|
LPSTR buffer )
|
|
{
|
|
char temppath[MAX_PATH];
|
|
char *prefix16 = NULL;
|
|
UINT16 ret;
|
|
|
|
if (!(drive & ~TF_FORCEDRIVE)) /* drive 0 means current default drive */
|
|
{
|
|
GetCurrentDirectoryA(sizeof(temppath), temppath);
|
|
drive |= temppath[0];
|
|
}
|
|
|
|
if (drive & TF_FORCEDRIVE)
|
|
{
|
|
char d[3];
|
|
|
|
d[0] = drive & ~TF_FORCEDRIVE;
|
|
d[1] = ':';
|
|
d[2] = '\0';
|
|
if (GetDriveTypeA(d) == DRIVE_NO_ROOT_DIR)
|
|
{
|
|
drive &= ~TF_FORCEDRIVE;
|
|
WARN("invalid drive %d specified\n", drive );
|
|
}
|
|
}
|
|
|
|
if (drive & TF_FORCEDRIVE)
|
|
sprintf(temppath,"%c:", drive & ~TF_FORCEDRIVE );
|
|
else
|
|
GetTempPathA( MAX_PATH, temppath );
|
|
|
|
if (prefix)
|
|
{
|
|
prefix16 = HeapAlloc(GetProcessHeap(), 0, strlen(prefix) + 2);
|
|
*prefix16 = '~';
|
|
strcpy(prefix16 + 1, prefix);
|
|
}
|
|
|
|
ret = GetTempFileNameA( temppath, prefix16, unique, buffer );
|
|
|
|
if (prefix16) HeapFree(GetProcessHeap(), 0, prefix16);
|
|
return ret;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* SetFileAttributes (KERNEL.421)
|
|
*/
|
|
BOOL16 WINAPI SetFileAttributes16( LPCSTR lpFileName, DWORD attributes )
|
|
{
|
|
return SetFileAttributesA( lpFileName, attributes );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetHandleCount (KERNEL.199)
|
|
*/
|
|
UINT16 WINAPI SetHandleCount16( UINT16 count )
|
|
{
|
|
return SetHandleCount( count );
|
|
}
|
|
|
|
|
|
/*************************************************************************
|
|
* FindFirstFile (KERNEL.413)
|
|
*/
|
|
HANDLE16 WINAPI FindFirstFile16( LPCSTR path, WIN32_FIND_DATAA *data )
|
|
{
|
|
HGLOBAL16 h16;
|
|
HANDLE handle, *ptr;
|
|
|
|
if (!(h16 = GlobalAlloc16( GMEM_MOVEABLE, sizeof(handle) ))) return INVALID_HANDLE_VALUE16;
|
|
ptr = GlobalLock16( h16 );
|
|
*ptr = handle = FindFirstFileA( path, data );
|
|
GlobalUnlock16( h16 );
|
|
|
|
if (handle == INVALID_HANDLE_VALUE)
|
|
{
|
|
GlobalFree16( h16 );
|
|
h16 = INVALID_HANDLE_VALUE16;
|
|
}
|
|
return h16;
|
|
}
|
|
|
|
|
|
/*************************************************************************
|
|
* FindNextFile (KERNEL.414)
|
|
*/
|
|
BOOL16 WINAPI FindNextFile16( HANDLE16 handle, WIN32_FIND_DATAA *data )
|
|
{
|
|
HANDLE *ptr;
|
|
BOOL ret = FALSE;
|
|
|
|
if ((handle == INVALID_HANDLE_VALUE16) || !(ptr = GlobalLock16( handle )))
|
|
{
|
|
SetLastError( ERROR_INVALID_HANDLE );
|
|
return ret;
|
|
}
|
|
ret = FindNextFileA( *ptr, data );
|
|
GlobalUnlock16( handle );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*************************************************************************
|
|
* FindClose (KERNEL.415)
|
|
*/
|
|
BOOL16 WINAPI FindClose16( HANDLE16 handle )
|
|
{
|
|
HANDLE *ptr;
|
|
|
|
if ((handle == INVALID_HANDLE_VALUE16) || !(ptr = GlobalLock16( handle )))
|
|
{
|
|
SetLastError( ERROR_INVALID_HANDLE );
|
|
return FALSE;
|
|
}
|
|
FindClose( *ptr );
|
|
GlobalUnlock16( handle );
|
|
GlobalFree16( handle );
|
|
return TRUE;
|
|
}
|