reactos/sdk/lib/3rdparty/libwine/path.c

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/* Copyright 1993 Erik Bos
* Copyright 1996, 2004 Alexandre Julliard
* Copyright 2003 Eric Pouech
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
*/
#include <windef.h>
#include <winbase.h>
#include <winnls.h>
#include <wine/winternl.h>
#include <wine/debug.h>
WINE_DEFAULT_DEBUG_CHANNEL(path);
static inline BOOL set_ntstatus( NTSTATUS status )
{
if (status) SetLastError( RtlNtStatusToDosError( status ));
return !status;
}
/***********************************************************************
* wine_get_dos_file_name (KERNEL32.@) Not a Windows API
*
* Return the full DOS file name for a given Unix path.
* Returned buffer must be freed by caller.
*/
WCHAR * CDECL wine_get_dos_file_name( LPCSTR str )
{
UNICODE_STRING nt_name;
NTSTATUS status;
WCHAR *buffer;
SIZE_T len = strlen(str) + 1;
if (str[0] != '/') /* relative path name */
{
if (!(buffer = RtlAllocateHeap( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return NULL;
MultiByteToWideChar( CP_UNIXCP, 0, str, len, buffer, len );
status = RtlDosPathNameToNtPathName_U_WithStatus( buffer, &nt_name, NULL, NULL );
RtlFreeHeap( GetProcessHeap(), 0, buffer );
if (!set_ntstatus( status )) return NULL;
buffer = nt_name.Buffer;
len = nt_name.Length / sizeof(WCHAR) + 1;
}
else
{
#ifdef __REACTOS__
ERR("Got absolute UNIX path name in function wine_get_dos_file_name. This is not UNIX. Please fix the caller!\n");
ERR("File name: %s\n", str);
/* Return empty path */
return RtlAllocateHeap(GetProcessHeap(), HEAP_ZERO_MEMORY, 1 * sizeof(UNICODE_NULL));
#else
len += 8; /* \??\unix prefix */
if (!(buffer = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return NULL;
if (!set_ntstatus( wine_unix_to_nt_file_name( str, buffer, &len )))
{
HeapFree( GetProcessHeap(), 0, buffer );
return NULL;
}
#endif
}
if (buffer[5] == ':')
{
/* get rid of the \??\ prefix */
/* FIXME: should implement RtlNtPathNameToDosPathName and use that instead */
memmove( buffer, buffer + 4, (len - 4) * sizeof(WCHAR) );
}
else buffer[1] = '\\';
return buffer;
}