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/*
* File handling functions
*
* Copyright 1993 John Burton
* Copyright 1996, 2004 Alexandre Julliard
* Copyright 2008 Jeff Zaroyko
*
* 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 "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <stdio.h>
#include <errno.h>
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "winerror.h"
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winternl.h"
#include "winioctl.h"
#include "wincon.h"
#include "ddk/ntddk.h"
#include "kernel_private.h"
#include "fileapi.h"
#include "wine/exception.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(file);
/* info structure for FindFirstFile handle */
typedef struct
{
DWORD magic; /* magic number */
HANDLE handle; /* handle to directory */
CRITICAL_SECTION cs; /* crit section protecting this structure */
FINDEX_SEARCH_OPS search_op; /* Flags passed to FindFirst. */
FINDEX_INFO_LEVELS level; /* Level passed to FindFirst */
UNICODE_STRING path; /* NT path used to open the directory */
BOOL is_root; /* is directory the root of the drive? */
BOOL wildcard; /* did the mask contain wildcard characters? */
UINT data_pos; /* current position in dir data */
UINT data_len; /* length of dir data */
UINT data_size; /* size of data buffer, or 0 when everything has been read */
BYTE data[1]; /* directory data */
} FIND_FIRST_INFO;
#define FIND_FIRST_MAGIC 0xc0ffee11
static const UINT max_entry_size = offsetof( FILE_BOTH_DIRECTORY_INFORMATION, FileName[256] );
static const WCHAR wildcardsW[] = { '*','?',0 };
static const WCHAR krnl386W[] = {'k','r','n','l','3','8','6','.','e','x','e','1','6',0};
/***********************************************************************
* create_file_OF
*
* Wrapper for CreateFile that takes OF_* mode flags.
*/
static HANDLE create_file_OF( LPCSTR path, INT mode )
{
DWORD access, sharing, creation;
if (mode & OF_CREATE)
{
creation = CREATE_ALWAYS;
access = GENERIC_READ | GENERIC_WRITE;
}
else
{
creation = OPEN_EXISTING;
switch(mode & 0x03)
{
case OF_READ: access = GENERIC_READ; break;
case OF_WRITE: access = GENERIC_WRITE; break;
case OF_READWRITE: access = GENERIC_READ | GENERIC_WRITE; break;
default: access = 0; break;
}
}
switch(mode & 0x70)
{
case OF_SHARE_EXCLUSIVE: sharing = 0; break;
case OF_SHARE_DENY_WRITE: sharing = FILE_SHARE_READ; break;
case OF_SHARE_DENY_READ: sharing = FILE_SHARE_WRITE; break;
case OF_SHARE_DENY_NONE:
case OF_SHARE_COMPAT:
default: sharing = FILE_SHARE_READ | FILE_SHARE_WRITE; break;
}
return CreateFileA( path, access, sharing, NULL, creation, FILE_ATTRIBUTE_NORMAL, 0 );
}
/***********************************************************************
* check_dir_symlink
*
* Check if a dir symlink should be returned by FindNextFile.
*/
static BOOL check_dir_symlink( FIND_FIRST_INFO *info, const FILE_BOTH_DIR_INFORMATION *file_info )
{
UNICODE_STRING str;
ANSI_STRING unix_name;
struct stat st, parent_st;
BOOL ret = TRUE;
DWORD len;
str.MaximumLength = info->path.Length + sizeof(WCHAR) + file_info->FileNameLength;
if (!(str.Buffer = HeapAlloc( GetProcessHeap(), 0, str.MaximumLength ))) return TRUE;
memcpy( str.Buffer, info->path.Buffer, info->path.Length );
len = info->path.Length / sizeof(WCHAR);
if (!len || str.Buffer[len-1] != '\\') str.Buffer[len++] = '\\';
memcpy( str.Buffer + len, file_info->FileName, file_info->FileNameLength );
str.Length = len * sizeof(WCHAR) + file_info->FileNameLength;
unix_name.Buffer = NULL;
if (!wine_nt_to_unix_file_name( &str, &unix_name, OPEN_EXISTING, FALSE ) &&
!stat( unix_name.Buffer, &st ))
{
char *p = unix_name.Buffer + unix_name.Length - 1;
/* skip trailing slashes */
while (p > unix_name.Buffer && *p == '/') p--;
while (ret && p > unix_name.Buffer)
{
while (p > unix_name.Buffer && *p != '/') p--;
while (p > unix_name.Buffer && *p == '/') p--;
p[1] = 0;
if (!stat( unix_name.Buffer, &parent_st ) &&
parent_st.st_dev == st.st_dev &&
parent_st.st_ino == st.st_ino)
{
WARN( "suppressing dir symlink %s pointing to parent %s\n",
debugstr_wn( str.Buffer, str.Length/sizeof(WCHAR) ),
debugstr_a( unix_name.Buffer ));
ret = FALSE;
}
}
}
RtlFreeAnsiString( &unix_name );
RtlFreeUnicodeString( &str );
return ret;
}
/***********************************************************************
* FILE_SetDosError
*
* Set the DOS error code from errno.
*/
void FILE_SetDosError(void)
{
int save_errno = errno; /* errno gets overwritten by printf */
TRACE("errno = %d %s\n", errno, strerror(errno));
switch (save_errno)
{
case EAGAIN:
SetLastError( ERROR_SHARING_VIOLATION );
break;
case EBADF:
SetLastError( ERROR_INVALID_HANDLE );
break;
case ENOSPC:
SetLastError( ERROR_HANDLE_DISK_FULL );
break;
case EACCES:
case EPERM:
case EROFS:
SetLastError( ERROR_ACCESS_DENIED );
break;
case EBUSY:
SetLastError( ERROR_LOCK_VIOLATION );
break;
case ENOENT:
SetLastError( ERROR_FILE_NOT_FOUND );
break;
case EISDIR:
SetLastError( ERROR_CANNOT_MAKE );
break;
case ENFILE:
case EMFILE:
SetLastError( ERROR_TOO_MANY_OPEN_FILES );
break;
case EEXIST:
SetLastError( ERROR_FILE_EXISTS );
break;
case EINVAL:
case ESPIPE:
SetLastError( ERROR_SEEK );
break;
case ENOTEMPTY:
SetLastError( ERROR_DIR_NOT_EMPTY );
break;
case ENOEXEC:
SetLastError( ERROR_BAD_FORMAT );
break;
case ENOTDIR:
SetLastError( ERROR_PATH_NOT_FOUND );
break;
case EXDEV:
SetLastError( ERROR_NOT_SAME_DEVICE );
break;
default:
WARN("unknown file error: %s\n", strerror(save_errno) );
SetLastError( ERROR_GEN_FAILURE );
break;
}
errno = save_errno;
}
/***********************************************************************
* FILE_name_AtoW
*
* Convert a file name to Unicode, taking into account the OEM/Ansi API mode.
*
* If alloc is FALSE uses the TEB static buffer, so it can only be used when
* there is no possibility for the function to do that twice, taking into
* account any called function.
*/
WCHAR *FILE_name_AtoW( LPCSTR name, BOOL alloc )
{
ANSI_STRING str;
UNICODE_STRING strW, *pstrW;
NTSTATUS status;
RtlInitAnsiString( &str, name );
pstrW = alloc ? &strW : &NtCurrentTeb()->StaticUnicodeString;
if (!AreFileApisANSI())
status = RtlOemStringToUnicodeString( pstrW, &str, alloc );
else
status = RtlAnsiStringToUnicodeString( pstrW, &str, alloc );
if (status == STATUS_SUCCESS) return pstrW->Buffer;
if (status == STATUS_BUFFER_OVERFLOW)
SetLastError( ERROR_FILENAME_EXCED_RANGE );
else
SetLastError( RtlNtStatusToDosError(status) );
return NULL;
}
/***********************************************************************
* FILE_name_WtoA
*
* Convert a file name back to OEM/Ansi. Returns number of bytes copied.
*/
DWORD FILE_name_WtoA( LPCWSTR src, INT srclen, LPSTR dest, INT destlen )
{
DWORD ret;
if (srclen < 0) srclen = strlenW( src ) + 1;
if (!AreFileApisANSI())
RtlUnicodeToOemN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
else
RtlUnicodeToMultiByteN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
return ret;
}
/***********************************************************************
* _hread (KERNEL32.@)
*/
LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
{
return _lread( hFile, buffer, count );
}
/***********************************************************************
* _hwrite (KERNEL32.@)
*
* experimentation yields that _lwrite:
* o truncates the file at the current position with
* a 0 len write
* o returns 0 on a 0 length write
* o works with console handles
*
*/
LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
{
DWORD result;
TRACE("%d %p %d\n", handle, buffer, count );
if (!count)
{
/* Expand or truncate at current position */
if (!SetEndOfFile( LongToHandle(handle) )) return HFILE_ERROR;
return 0;
}
if (!WriteFile( LongToHandle(handle), buffer, count, &result, NULL ))
return HFILE_ERROR;
return result;
}
/***********************************************************************
* _lclose (KERNEL32.@)
*/
HFILE WINAPI _lclose( HFILE hFile )
{
TRACE("handle %d\n", hFile );
return CloseHandle( LongToHandle(hFile) ) ? 0 : HFILE_ERROR;
}
/***********************************************************************
* _lcreat (KERNEL32.@)
*/
HFILE WINAPI _lcreat( LPCSTR path, INT attr )
{
HANDLE hfile;
/* Mask off all flags not explicitly allowed by the doc */
attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
TRACE("%s %02x\n", path, attr );
hfile = CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
CREATE_ALWAYS, attr, 0 );
return HandleToLong(hfile);
}
/***********************************************************************
* _lopen (KERNEL32.@)
*/
HFILE WINAPI _lopen( LPCSTR path, INT mode )
{
HANDLE hfile;
TRACE("(%s,%04x)\n", debugstr_a(path), mode );
hfile = create_file_OF( path, mode & ~OF_CREATE );
return HandleToLong(hfile);
}
/***********************************************************************
* _lread (KERNEL32.@)
*/
UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
{
DWORD result;
if (!ReadFile( LongToHandle(handle), buffer, count, &result, NULL ))
return HFILE_ERROR;
return result;
}
/***********************************************************************
* _llseek (KERNEL32.@)
*/
LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
{
return SetFilePointer( LongToHandle(hFile), lOffset, NULL, nOrigin );
}
/***********************************************************************
* _lwrite (KERNEL32.@)
*/
UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
{
return (UINT)_hwrite( hFile, buffer, (LONG)count );
}
/**************************************************************************
* SetFileCompletionNotificationModes (KERNEL32.@)
*/
BOOL WINAPI SetFileCompletionNotificationModes( HANDLE file, UCHAR flags )
{
FILE_IO_COMPLETION_NOTIFICATION_INFORMATION info;
IO_STATUS_BLOCK io;
NTSTATUS status;
info.Flags = flags;
status = NtSetInformationFile( file, &io, &info, sizeof(info), FileIoCompletionNotificationInformation );
if (status == STATUS_SUCCESS) return TRUE;
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
/*************************************************************************
* SetHandleCount (KERNEL32.@)
*/
UINT WINAPI SetHandleCount( UINT count )
{
return count;
}
/**************************************************************************
* Operations on file names *
**************************************************************************/
/**************************************************************************
* ReplaceFileW (KERNEL32.@)
* ReplaceFile (KERNEL32.@)
*/
BOOL WINAPI ReplaceFileW(LPCWSTR lpReplacedFileName, LPCWSTR lpReplacementFileName,
LPCWSTR lpBackupFileName, DWORD dwReplaceFlags,
LPVOID lpExclude, LPVOID lpReserved)
{
UNICODE_STRING nt_replaced_name, nt_replacement_name;
ANSI_STRING unix_replaced_name, unix_replacement_name, unix_backup_name;
HANDLE hReplaced = NULL, hReplacement = NULL, hBackup = NULL;
DWORD error = ERROR_SUCCESS;
UINT replaced_flags;
BOOL ret = FALSE;
NTSTATUS status;
IO_STATUS_BLOCK io;
OBJECT_ATTRIBUTES attr;
FILE_BASIC_INFORMATION info;
TRACE("%s %s %s 0x%08x %p %p\n", debugstr_w(lpReplacedFileName),
debugstr_w(lpReplacementFileName), debugstr_w(lpBackupFileName),
dwReplaceFlags, lpExclude, lpReserved);
if (dwReplaceFlags)
FIXME("Ignoring flags %x\n", dwReplaceFlags);
/* First two arguments are mandatory */
if (!lpReplacedFileName || !lpReplacementFileName)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
unix_replaced_name.Buffer = NULL;
unix_replacement_name.Buffer = NULL;
unix_backup_name.Buffer = NULL;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.Attributes = OBJ_CASE_INSENSITIVE;
attr.ObjectName = NULL;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
/* Open the "replaced" file for reading */
if (!(RtlDosPathNameToNtPathName_U(lpReplacedFileName, &nt_replaced_name, NULL, NULL)))
{
error = ERROR_PATH_NOT_FOUND;
goto fail;
}
replaced_flags = lpBackupFileName ? FILE_OPEN : FILE_OPEN_IF;
attr.ObjectName = &nt_replaced_name;
status = NtOpenFile(&hReplaced, GENERIC_READ|DELETE|SYNCHRONIZE,
&attr, &io,
FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE);
if (status == STATUS_SUCCESS)
status = wine_nt_to_unix_file_name(&nt_replaced_name, &unix_replaced_name, replaced_flags, FALSE);
RtlFreeUnicodeString(&nt_replaced_name);
if (status != STATUS_SUCCESS)
{
if (status == STATUS_OBJECT_NAME_NOT_FOUND)
error = ERROR_FILE_NOT_FOUND;
else
error = ERROR_UNABLE_TO_REMOVE_REPLACED;
goto fail;
}
/* Replacement should fail if replaced is READ_ONLY */
status = NtQueryInformationFile(hReplaced, &io, &info, sizeof(info), FileBasicInformation);
if (status != STATUS_SUCCESS)
{
error = RtlNtStatusToDosError(status);
goto fail;
}
if (info.FileAttributes & FILE_ATTRIBUTE_READONLY)
{
error = ERROR_ACCESS_DENIED;
goto fail;
}
/*
* Open the replacement file for reading, writing, and deleting
* (writing and deleting are needed when finished)
*/
if (!(RtlDosPathNameToNtPathName_U(lpReplacementFileName, &nt_replacement_name, NULL, NULL)))
{
error = ERROR_PATH_NOT_FOUND;
goto fail;
}
attr.ObjectName = &nt_replacement_name;
status = NtOpenFile(&hReplacement,
GENERIC_READ|GENERIC_WRITE|DELETE|WRITE_DAC|SYNCHRONIZE,
&attr, &io, 0,
FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE);
if (status == STATUS_SUCCESS)
status = wine_nt_to_unix_file_name(&nt_replacement_name, &unix_replacement_name, FILE_OPEN, FALSE);
RtlFreeUnicodeString(&nt_replacement_name);
if (status != STATUS_SUCCESS)
{
error = RtlNtStatusToDosError(status);
goto fail;
}
/* If the user wants a backup then that needs to be performed first */
if (lpBackupFileName)
{
UNICODE_STRING nt_backup_name;
FILE_BASIC_INFORMATION replaced_info;
/* Obtain the file attributes from the "replaced" file */
status = NtQueryInformationFile(hReplaced, &io, &replaced_info,
sizeof(replaced_info),
FileBasicInformation);
if (status != STATUS_SUCCESS)
{
error = RtlNtStatusToDosError(status);
goto fail;
}
if (!(RtlDosPathNameToNtPathName_U(lpBackupFileName, &nt_backup_name, NULL, NULL)))
{
error = ERROR_PATH_NOT_FOUND;
goto fail;
}
attr.ObjectName = &nt_backup_name;
/* Open the backup with permissions to write over it */
status = NtCreateFile(&hBackup, GENERIC_WRITE | SYNCHRONIZE,
&attr, &io, NULL, replaced_info.FileAttributes,
FILE_SHARE_WRITE, FILE_OPEN_IF,
FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE,
NULL, 0);
if (status == STATUS_SUCCESS)
status = wine_nt_to_unix_file_name(&nt_backup_name, &unix_backup_name, FILE_OPEN_IF, FALSE);
RtlFreeUnicodeString(&nt_backup_name);
if (status != STATUS_SUCCESS)
{
error = RtlNtStatusToDosError(status);
goto fail;
}
/* If an existing backup exists then copy over it */
if (rename(unix_replaced_name.Buffer, unix_backup_name.Buffer) == -1)
{
error = ERROR_UNABLE_TO_REMOVE_REPLACED; /* is this correct? */
goto fail;
}
}
/*
* Now that the backup has been performed (if requested), copy the replacement
* into place
*/
if (rename(unix_replacement_name.Buffer, unix_replaced_name.Buffer) == -1)
{
if (errno == EACCES)
{
/* Inappropriate permissions on "replaced", rename will fail */
error = ERROR_UNABLE_TO_REMOVE_REPLACED;
goto fail;
}
/* on failure we need to indicate whether a backup was made */
if (!lpBackupFileName)
error = ERROR_UNABLE_TO_MOVE_REPLACEMENT;
else
error = ERROR_UNABLE_TO_MOVE_REPLACEMENT_2;
goto fail;
}
/* Success! */
ret = TRUE;
/* Perform resource cleanup */
fail:
if (hBackup) CloseHandle(hBackup);
if (hReplaced) CloseHandle(hReplaced);
if (hReplacement) CloseHandle(hReplacement);
RtlFreeAnsiString(&unix_backup_name);
RtlFreeAnsiString(&unix_replacement_name);
RtlFreeAnsiString(&unix_replaced_name);
/* If there was an error, set the error code */
if(!ret)
SetLastError(error);
return ret;
}
/**************************************************************************
* ReplaceFileA (KERNEL32.@)
*/
BOOL WINAPI ReplaceFileA(LPCSTR lpReplacedFileName,LPCSTR lpReplacementFileName,
LPCSTR lpBackupFileName, DWORD dwReplaceFlags,
LPVOID lpExclude, LPVOID lpReserved)
{
WCHAR *replacedW, *replacementW, *backupW = NULL;
BOOL ret;
/* This function only makes sense when the first two parameters are defined */
if (!lpReplacedFileName || !(replacedW = FILE_name_AtoW( lpReplacedFileName, TRUE )))
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (!lpReplacementFileName || !(replacementW = FILE_name_AtoW( lpReplacementFileName, TRUE )))
{
HeapFree( GetProcessHeap(), 0, replacedW );
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
/* The backup parameter, however, is optional */
if (lpBackupFileName)
{
if (!(backupW = FILE_name_AtoW( lpBackupFileName, TRUE )))
{
HeapFree( GetProcessHeap(), 0, replacedW );
HeapFree( GetProcessHeap(), 0, replacementW );
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
}
ret = ReplaceFileW( replacedW, replacementW, backupW, dwReplaceFlags, lpExclude, lpReserved );
HeapFree( GetProcessHeap(), 0, replacedW );
HeapFree( GetProcessHeap(), 0, replacementW );
HeapFree( GetProcessHeap(), 0, backupW );
return ret;
}
/*************************************************************************
* FindFirstFileExW (KERNEL32.@)
*
* NOTE: The FindExSearchLimitToDirectories is ignored - it gives the same
* results as FindExSearchNameMatch
*/
HANDLE WINAPI FindFirstFileExW( LPCWSTR filename, FINDEX_INFO_LEVELS level,
LPVOID data, FINDEX_SEARCH_OPS search_op,
LPVOID filter, DWORD flags)
{
WCHAR *mask;
BOOL has_wildcard = FALSE;
FIND_FIRST_INFO *info = NULL;
UNICODE_STRING nt_name;
OBJECT_ATTRIBUTES attr;
IO_STATUS_BLOCK io;
NTSTATUS status;
DWORD size, device = 0;
TRACE("%s %d %p %d %p %x\n", debugstr_w(filename), level, data, search_op, filter, flags);
if (flags & ~FIND_FIRST_EX_LARGE_FETCH)
{
FIXME("flags not implemented 0x%08x\n", flags );
}
if (search_op != FindExSearchNameMatch && search_op != FindExSearchLimitToDirectories)
{
FIXME("search_op not implemented 0x%08x\n", search_op);
SetLastError( ERROR_INVALID_PARAMETER );
return INVALID_HANDLE_VALUE;
}
if (level != FindExInfoStandard && level != FindExInfoBasic)
{
FIXME("info level %d not implemented\n", level );
SetLastError( ERROR_INVALID_PARAMETER );
return INVALID_HANDLE_VALUE;
}
if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, &mask, NULL ))
{
SetLastError( ERROR_PATH_NOT_FOUND );
return INVALID_HANDLE_VALUE;
}
if (!mask && (device = RtlIsDosDeviceName_U( filename )))
{
static const WCHAR dotW[] = {'.',0};
WCHAR *dir = NULL;
/* we still need to check that the directory can be opened */
if (HIWORD(device))
{
if (!(dir = HeapAlloc( GetProcessHeap(), 0, HIWORD(device) + sizeof(WCHAR) )))
{
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
goto error;
}
memcpy( dir, filename, HIWORD(device) );
dir[HIWORD(device)/sizeof(WCHAR)] = 0;
}
RtlFreeUnicodeString( &nt_name );
if (!RtlDosPathNameToNtPathName_U( dir ? dir : dotW, &nt_name, &mask, NULL ))
{
HeapFree( GetProcessHeap(), 0, dir );
SetLastError( ERROR_PATH_NOT_FOUND );
goto error;
}
HeapFree( GetProcessHeap(), 0, dir );
size = 0;
}
else if (!mask || !*mask)
{
SetLastError( ERROR_FILE_NOT_FOUND );
goto error;
}
else
{
nt_name.Length = (mask - nt_name.Buffer) * sizeof(WCHAR);
has_wildcard = strpbrkW( mask, wildcardsW ) != NULL;
size = has_wildcard ? 8192 : max_entry_size;
}
if (!(info = HeapAlloc( GetProcessHeap(), 0, offsetof( FIND_FIRST_INFO, data[size] ))))
{
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
goto error;
}
/* check if path is the root of the drive, skipping the \??\ prefix */
info->is_root = FALSE;
if (nt_name.Length >= 6 * sizeof(WCHAR) && nt_name.Buffer[5] == ':')
{
DWORD pos = 6;
while (pos * sizeof(WCHAR) < nt_name.Length && nt_name.Buffer[pos] == '\\') pos++;
info->is_root = (pos * sizeof(WCHAR) >= nt_name.Length);
}
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.Attributes = OBJ_CASE_INSENSITIVE;
attr.ObjectName = &nt_name;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
status = NtOpenFile( &info->handle, GENERIC_READ | SYNCHRONIZE, &attr, &io,
FILE_SHARE_READ | FILE_SHARE_WRITE,
FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
if (status != STATUS_SUCCESS)
{
if (status == STATUS_OBJECT_NAME_NOT_FOUND)
SetLastError( ERROR_PATH_NOT_FOUND );
else
SetLastError( RtlNtStatusToDosError(status) );
goto error;
}
RtlInitializeCriticalSection( &info->cs );
info->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": FIND_FIRST_INFO.cs");
info->path = nt_name;
info->magic = FIND_FIRST_MAGIC;
info->wildcard = has_wildcard;
info->data_pos = 0;
info->data_len = 0;
info->data_size = size;
info->search_op = search_op;
info->level = level;
if (device)
{
WIN32_FIND_DATAW *wfd = data;
memset( wfd, 0, sizeof(*wfd) );
memcpy( wfd->cFileName, filename + HIWORD(device)/sizeof(WCHAR), LOWORD(device) );
wfd->dwFileAttributes = FILE_ATTRIBUTE_ARCHIVE;
CloseHandle( info->handle );
info->handle = 0;
}
else
{
UNICODE_STRING mask_str;
RtlInitUnicodeString( &mask_str, mask );
status = NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, info->data_size,
FileBothDirectoryInformation, FALSE, &mask_str, TRUE );
if (status)
{
FindClose( info );
SetLastError( RtlNtStatusToDosError( status ) );
return INVALID_HANDLE_VALUE;
}
info->data_len = io.Information;
if (!has_wildcard || info->data_len < info->data_size - max_entry_size)
{
if (has_wildcard) /* release unused buffer space */
HeapReAlloc( GetProcessHeap(), HEAP_REALLOC_IN_PLACE_ONLY,
info, offsetof( FIND_FIRST_INFO, data[info->data_len] ));
info->data_size = 0; /* we read everything */
}
if (!FindNextFileW( info, data ))
{
TRACE( "%s not found\n", debugstr_w(filename) );
FindClose( info );
SetLastError( ERROR_FILE_NOT_FOUND );
return INVALID_HANDLE_VALUE;
}
if (!has_wildcard) /* we can't find two files with the same name */
{
CloseHandle( info->handle );
info->handle = 0;
}
}
return info;
error:
HeapFree( GetProcessHeap(), 0, info );
RtlFreeUnicodeString( &nt_name );
return INVALID_HANDLE_VALUE;
}
/*************************************************************************
* FindNextFileW (KERNEL32.@)
*/
BOOL WINAPI FindNextFileW( HANDLE handle, WIN32_FIND_DATAW *data )
{
FIND_FIRST_INFO *info;
FILE_BOTH_DIR_INFORMATION *dir_info;
BOOL ret = FALSE;
NTSTATUS status;
TRACE("%p %p\n", handle, data);
if (!handle || handle == INVALID_HANDLE_VALUE)
{
SetLastError( ERROR_INVALID_HANDLE );
return ret;
}
info = handle;
if (info->magic != FIND_FIRST_MAGIC)
{
SetLastError( ERROR_INVALID_HANDLE );
return ret;
}
RtlEnterCriticalSection( &info->cs );
if (!info->handle) SetLastError( ERROR_NO_MORE_FILES );
else for (;;)
{
if (info->data_pos >= info->data_len) /* need to read some more data */
{
IO_STATUS_BLOCK io;
if (info->data_size)
status = NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, info->data_size,
FileBothDirectoryInformation, FALSE, NULL, FALSE );
else
status = STATUS_NO_MORE_FILES;
if (status)
{
SetLastError( RtlNtStatusToDosError( status ) );
if (status == STATUS_NO_MORE_FILES)
{
CloseHandle( info->handle );
info->handle = 0;
}
break;
}
info->data_len = io.Information;
info->data_pos = 0;
}
dir_info = (FILE_BOTH_DIR_INFORMATION *)(info->data + info->data_pos);
if (dir_info->NextEntryOffset) info->data_pos += dir_info->NextEntryOffset;
else info->data_pos = info->data_len;
/* don't return '.' and '..' in the root of the drive */
if (info->is_root)
{
if (dir_info->FileNameLength == sizeof(WCHAR) && dir_info->FileName[0] == '.') continue;
if (dir_info->FileNameLength == 2 * sizeof(WCHAR) &&
dir_info->FileName[0] == '.' && dir_info->FileName[1] == '.') continue;
}
/* check for dir symlink */
if ((dir_info->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
(dir_info->FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) &&
info->wildcard)
{
if (!check_dir_symlink( info, dir_info )) continue;
}
data->dwFileAttributes = dir_info->FileAttributes;
data->ftCreationTime = *(FILETIME *)&dir_info->CreationTime;
data->ftLastAccessTime = *(FILETIME *)&dir_info->LastAccessTime;
data->ftLastWriteTime = *(FILETIME *)&dir_info->LastWriteTime;
data->nFileSizeHigh = dir_info->EndOfFile.QuadPart >> 32;
data->nFileSizeLow = (DWORD)dir_info->EndOfFile.QuadPart;
data->dwReserved0 = 0;
data->dwReserved1 = 0;
memcpy( data->cFileName, dir_info->FileName, dir_info->FileNameLength );
data->cFileName[dir_info->FileNameLength/sizeof(WCHAR)] = 0;
if (info->level != FindExInfoBasic)
{
memcpy( data->cAlternateFileName, dir_info->ShortName, dir_info->ShortNameLength );
data->cAlternateFileName[dir_info->ShortNameLength/sizeof(WCHAR)] = 0;
}
else
data->cAlternateFileName[0] = 0;
TRACE("returning %s (%s)\n",
debugstr_w(data->cFileName), debugstr_w(data->cAlternateFileName) );
ret = TRUE;
break;
}
RtlLeaveCriticalSection( &info->cs );
return ret;
}
/*************************************************************************
* FindClose (KERNEL32.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH FindClose( HANDLE handle )
{
FIND_FIRST_INFO *info = handle;
if (!handle || handle == INVALID_HANDLE_VALUE)
{
SetLastError( ERROR_INVALID_HANDLE );
return FALSE;
}
__TRY
{
if (info->magic == FIND_FIRST_MAGIC)
{
RtlEnterCriticalSection( &info->cs );
if (info->magic == FIND_FIRST_MAGIC) /* in case someone else freed it in the meantime */
{
info->magic = 0;
if (info->handle) CloseHandle( info->handle );
info->handle = 0;
RtlFreeUnicodeString( &info->path );
info->data_pos = 0;
info->data_len = 0;
RtlLeaveCriticalSection( &info->cs );
info->cs.DebugInfo->Spare[0] = 0;
RtlDeleteCriticalSection( &info->cs );
HeapFree( GetProcessHeap(), 0, info );
}
}
}
__EXCEPT_PAGE_FAULT
{
WARN("Illegal handle %p\n", handle);
SetLastError( ERROR_INVALID_HANDLE );
return FALSE;
}
__ENDTRY
return TRUE;
}
/*************************************************************************
* FindFirstFileA (KERNEL32.@)
*/
HANDLE WINAPI FindFirstFileA( LPCSTR lpFileName, WIN32_FIND_DATAA *lpFindData )
{
return FindFirstFileExA(lpFileName, FindExInfoStandard, lpFindData,
FindExSearchNameMatch, NULL, 0);
}
/*************************************************************************
* FindFirstFileExA (KERNEL32.@)
*/
HANDLE WINAPI FindFirstFileExA( LPCSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId,
LPVOID lpFindFileData, FINDEX_SEARCH_OPS fSearchOp,
LPVOID lpSearchFilter, DWORD dwAdditionalFlags)
{
HANDLE handle;
WIN32_FIND_DATAA *dataA;
WIN32_FIND_DATAW dataW;
WCHAR *nameW;
if (!(nameW = FILE_name_AtoW( lpFileName, FALSE ))) return INVALID_HANDLE_VALUE;
handle = FindFirstFileExW(nameW, fInfoLevelId, &dataW, fSearchOp, lpSearchFilter, dwAdditionalFlags);
if (handle == INVALID_HANDLE_VALUE) return handle;
dataA = lpFindFileData;
dataA->dwFileAttributes = dataW.dwFileAttributes;
dataA->ftCreationTime = dataW.ftCreationTime;
dataA->ftLastAccessTime = dataW.ftLastAccessTime;
dataA->ftLastWriteTime = dataW.ftLastWriteTime;
dataA->nFileSizeHigh = dataW.nFileSizeHigh;
dataA->nFileSizeLow = dataW.nFileSizeLow;
FILE_name_WtoA( dataW.cFileName, -1, dataA->cFileName, sizeof(dataA->cFileName) );
FILE_name_WtoA( dataW.cAlternateFileName, -1, dataA->cAlternateFileName,
sizeof(dataA->cAlternateFileName) );
return handle;
}
/*************************************************************************
* FindFirstFileW (KERNEL32.@)
*/
HANDLE WINAPI FindFirstFileW( LPCWSTR lpFileName, WIN32_FIND_DATAW *lpFindData )
{
return FindFirstFileExW(lpFileName, FindExInfoStandard, lpFindData,
FindExSearchNameMatch, NULL, 0);
}
/*************************************************************************
* FindNextFileA (KERNEL32.@)
*/
BOOL WINAPI FindNextFileA( HANDLE handle, WIN32_FIND_DATAA *data )
{
WIN32_FIND_DATAW dataW;
if (!FindNextFileW( handle, &dataW )) return FALSE;
data->dwFileAttributes = dataW.dwFileAttributes;
data->ftCreationTime = dataW.ftCreationTime;
data->ftLastAccessTime = dataW.ftLastAccessTime;
data->ftLastWriteTime = dataW.ftLastWriteTime;
data->nFileSizeHigh = dataW.nFileSizeHigh;
data->nFileSizeLow = dataW.nFileSizeLow;
FILE_name_WtoA( dataW.cFileName, -1, data->cFileName, sizeof(data->cFileName) );
FILE_name_WtoA( dataW.cAlternateFileName, -1, data->cAlternateFileName,
sizeof(data->cAlternateFileName) );
return TRUE;
}
/**************************************************************************
* FindFirstStreamW (KERNEL32.@)
*/
HANDLE WINAPI FindFirstStreamW(LPCWSTR filename, STREAM_INFO_LEVELS infolevel, void *data, DWORD flags)
{
FIXME("(%s, %d, %p, %x): stub!\n", debugstr_w(filename), infolevel, data, flags);
SetLastError(ERROR_HANDLE_EOF);
return INVALID_HANDLE_VALUE;
}
/**************************************************************************
* FindNextStreamW (KERNEL32.@)
*/
BOOL WINAPI FindNextStreamW(HANDLE handle, void *data)
{
FIXME("(%p, %p): stub!\n", handle, data);
SetLastError(ERROR_HANDLE_EOF);
return FALSE;
}
/***********************************************************************
* OpenVxDHandle (KERNEL32.@)
*
* This function is supposed to return the corresponding Ring 0
* ("kernel") handle for a Ring 3 handle in Win9x.
* Evidently, Wine will have problems with this. But we try anyway,
* maybe it helps...
*/
HANDLE WINAPI OpenVxDHandle(HANDLE hHandleRing3)
{
FIXME( "(%p), stub! (returning Ring 3 handle instead of Ring 0)\n", hHandleRing3);
return hHandleRing3;
}
/****************************************************************************
* DeviceIoControl (KERNEL32.@)
*/
BOOL WINAPI DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode,
LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped)
{
NTSTATUS status;
TRACE( "(%p,%x,%p,%d,%p,%d,%p,%p)\n",
hDevice,dwIoControlCode,lpvInBuffer,cbInBuffer,
lpvOutBuffer,cbOutBuffer,lpcbBytesReturned,lpOverlapped );
/* Check if this is a user defined control code for a VxD */
if (HIWORD( dwIoControlCode ) == 0 && (GetVersion() & 0x80000000))
{
typedef BOOL (WINAPI *DeviceIoProc)(DWORD, LPVOID, DWORD, LPVOID, DWORD, LPDWORD, LPOVERLAPPED);
static DeviceIoProc (*vxd_get_proc)(HANDLE);
DeviceIoProc proc = NULL;
if (!vxd_get_proc) vxd_get_proc = (void *)GetProcAddress( GetModuleHandleW(krnl386W),
"__wine_vxd_get_proc" );
if (vxd_get_proc) proc = vxd_get_proc( hDevice );
if (proc) return proc( dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer, lpcbBytesReturned, lpOverlapped );
}
/* Not a VxD, let ntdll handle it */
if (lpOverlapped)
{
LPVOID cvalue = ((ULONG_PTR)lpOverlapped->hEvent & 1) ? NULL : lpOverlapped;
lpOverlapped->Internal = STATUS_PENDING;
lpOverlapped->InternalHigh = 0;
if (HIWORD(dwIoControlCode) == FILE_DEVICE_FILE_SYSTEM)
status = NtFsControlFile(hDevice, lpOverlapped->hEvent,
NULL, cvalue, (PIO_STATUS_BLOCK)lpOverlapped,
dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer);
else
status = NtDeviceIoControlFile(hDevice, lpOverlapped->hEvent,
NULL, cvalue, (PIO_STATUS_BLOCK)lpOverlapped,
dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer);
if (lpcbBytesReturned) *lpcbBytesReturned = lpOverlapped->InternalHigh;
}
else
{
IO_STATUS_BLOCK iosb;
if (HIWORD(dwIoControlCode) == FILE_DEVICE_FILE_SYSTEM)
status = NtFsControlFile(hDevice, NULL, NULL, NULL, &iosb,
dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer);
else
status = NtDeviceIoControlFile(hDevice, NULL, NULL, NULL, &iosb,
dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer);
if (lpcbBytesReturned) *lpcbBytesReturned = iosb.Information;
}
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/***********************************************************************
* OpenFile (KERNEL32.@)
*/
HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
{
HANDLE handle;
FILETIME filetime;
WORD filedatetime[2];
if (!ofs) return HFILE_ERROR;
TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
((mode & 0x3 )==OF_READ)?"OF_READ":
((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
);
ofs->cBytes = sizeof(OFSTRUCT);
ofs->nErrCode = 0;
if (mode & OF_REOPEN) name = ofs->szPathName;
if (!name) return HFILE_ERROR;
TRACE("%s %04x\n", name, mode );
/* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
Are there any cases where getting the path here is wrong?
Uwe Bonnes 1997 Apr 2 */
if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
/* OF_PARSE simply fills the structure */
if (mode & OF_PARSE)
{
ofs->fFixedDisk = (GetDriveTypeA( ofs->szPathName ) != DRIVE_REMOVABLE);
TRACE("(%s): OF_PARSE, res = '%s'\n", name, ofs->szPathName );
return 0;
}
/* OF_CREATE is completely different from all other options, so
handle it first */
if (mode & OF_CREATE)
{
if ((handle = create_file_OF( name, mode )) == INVALID_HANDLE_VALUE)
goto error;
}
else
{
/* Now look for the file */
if (!SearchPathA( NULL, name, NULL, sizeof(ofs->szPathName), ofs->szPathName, NULL ))
goto error;
TRACE("found %s\n", debugstr_a(ofs->szPathName) );
if (mode & OF_DELETE)
{
if (!DeleteFileA( ofs->szPathName )) goto error;
TRACE("(%s): OF_DELETE return = OK\n", name);
return TRUE;
}
handle = LongToHandle(_lopen( ofs->szPathName, mode ));
if (handle == INVALID_HANDLE_VALUE) goto error;
GetFileTime( handle, NULL, NULL, &filetime );
FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
{
if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
{
CloseHandle( handle );
WARN("(%s): OF_VERIFY failed\n", name );
/* FIXME: what error here? */
SetLastError( ERROR_FILE_NOT_FOUND );
goto error;
}
}
ofs->Reserved1 = filedatetime[0];
ofs->Reserved2 = filedatetime[1];
}
TRACE("(%s): OK, return = %p\n", name, handle );
if (mode & OF_EXIST) /* Return TRUE instead of a handle */
{
CloseHandle( handle );
return TRUE;
}
return HandleToLong(handle);
error: /* We get here if there was an error opening the file */
ofs->nErrCode = GetLastError();
WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
return HFILE_ERROR;
}
/***********************************************************************
* K32EnumDeviceDrivers (KERNEL32.@)
*/
BOOL WINAPI K32EnumDeviceDrivers(void **image_base, DWORD cb, DWORD *needed)
{
FIXME("(%p, %d, %p): stub\n", image_base, cb, needed);
if (needed)
*needed = 0;
return TRUE;
}
/***********************************************************************
* K32GetDeviceDriverBaseNameA (KERNEL32.@)
*/
DWORD WINAPI K32GetDeviceDriverBaseNameA(void *image_base, LPSTR base_name, DWORD size)
{
FIXME("(%p, %p, %d): stub\n", image_base, base_name, size);
if (base_name && size)
base_name[0] = '\0';
return 0;
}
/***********************************************************************
* K32GetDeviceDriverBaseNameW (KERNEL32.@)
*/
DWORD WINAPI K32GetDeviceDriverBaseNameW(void *image_base, LPWSTR base_name, DWORD size)
{
FIXME("(%p, %p, %d): stub\n", image_base, base_name, size);
if (base_name && size)
base_name[0] = '\0';
return 0;
}
/***********************************************************************
* K32GetDeviceDriverFileNameA (KERNEL32.@)
*/
DWORD WINAPI K32GetDeviceDriverFileNameA(void *image_base, LPSTR file_name, DWORD size)
{
FIXME("(%p, %p, %d): stub\n", image_base, file_name, size);
if (file_name && size)
file_name[0] = '\0';
return 0;
}
/***********************************************************************
* K32GetDeviceDriverFileNameW (KERNEL32.@)
*/
DWORD WINAPI K32GetDeviceDriverFileNameW(void *image_base, LPWSTR file_name, DWORD size)
{
FIXME("(%p, %p, %d): stub\n", image_base, file_name, size);
if (file_name && size)
file_name[0] = '\0';
return 0;
}
/***********************************************************************
* GetFinalPathNameByHandleW (KERNEL32.@)
*/
DWORD WINAPI GetFinalPathNameByHandleW(HANDLE file, LPWSTR path, DWORD charcount, DWORD flags)
{
WCHAR buffer[sizeof(OBJECT_NAME_INFORMATION) + MAX_PATH + 1];
OBJECT_NAME_INFORMATION *info = (OBJECT_NAME_INFORMATION*)&buffer;
WCHAR drive_part[MAX_PATH];
DWORD drive_part_len = 0;
NTSTATUS status;
DWORD result = 0;
ULONG dummy;
WCHAR *ptr;
TRACE( "(%p,%p,%d,%x)\n", file, path, charcount, flags );
if (flags & ~(FILE_NAME_OPENED | VOLUME_NAME_GUID | VOLUME_NAME_NONE | VOLUME_NAME_NT))
{
WARN("Unknown flags: %x\n", flags);
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
/* get object name */
status = NtQueryObject( file, ObjectNameInformation, &buffer, sizeof(buffer) - sizeof(WCHAR), &dummy );
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError( status ) );
return 0;
}
if (!info->Name.Buffer)
{
SetLastError( ERROR_INVALID_HANDLE );
return 0;
}
if (info->Name.Length < 4 * sizeof(WCHAR) || info->Name.Buffer[0] != '\\' ||
info->Name.Buffer[1] != '?' || info->Name.Buffer[2] != '?' || info->Name.Buffer[3] != '\\' )
{
FIXME("Unexpected object name: %s\n", debugstr_wn(info->Name.Buffer, info->Name.Length / sizeof(WCHAR)));
SetLastError( ERROR_GEN_FAILURE );
return 0;
}
/* add terminating null character, remove "\\??\\" */
info->Name.Buffer[info->Name.Length / sizeof(WCHAR)] = 0;
info->Name.Length -= 4 * sizeof(WCHAR);
info->Name.Buffer += 4;
/* FILE_NAME_OPENED is not supported yet, and would require Wineserver changes */
if (flags & FILE_NAME_OPENED)
{
FIXME("FILE_NAME_OPENED not supported\n");
flags &= ~FILE_NAME_OPENED;
}
/* Get information required for VOLUME_NAME_NONE, VOLUME_NAME_GUID and VOLUME_NAME_NT */
if (flags == VOLUME_NAME_NONE || flags == VOLUME_NAME_GUID || flags == VOLUME_NAME_NT)
{
if (!GetVolumePathNameW( info->Name.Buffer, drive_part, MAX_PATH ))
return 0;
drive_part_len = strlenW(drive_part);
if (!drive_part_len || drive_part_len > strlenW(info->Name.Buffer) ||
drive_part[drive_part_len-1] != '\\' ||
strncmpiW( info->Name.Buffer, drive_part, drive_part_len ))
{
FIXME("Path %s returned by GetVolumePathNameW does not match file path %s\n",
debugstr_w(drive_part), debugstr_w(info->Name.Buffer));
SetLastError( ERROR_GEN_FAILURE );
return 0;
}
}
if (flags == VOLUME_NAME_NONE)
{
ptr = info->Name.Buffer + drive_part_len - 1;
result = strlenW(ptr);
if (result < charcount)
memcpy(path, ptr, (result + 1) * sizeof(WCHAR));
else result++;
}
else if (flags == VOLUME_NAME_GUID)
{
WCHAR volume_prefix[51];
/* GetVolumeNameForVolumeMountPointW sets error code on failure */
if (!GetVolumeNameForVolumeMountPointW( drive_part, volume_prefix, 50 ))
return 0;
ptr = info->Name.Buffer + drive_part_len;
result = strlenW(volume_prefix) + strlenW(ptr);
if (result < charcount)
{
path[0] = 0;
strcatW(path, volume_prefix);
strcatW(path, ptr);
}
else
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
result++;
}
}
else if (flags == VOLUME_NAME_NT)
{
WCHAR nt_prefix[MAX_PATH];
/* QueryDosDeviceW sets error code on failure */
drive_part[drive_part_len - 1] = 0;
if (!QueryDosDeviceW( drive_part, nt_prefix, MAX_PATH ))
return 0;
ptr = info->Name.Buffer + drive_part_len - 1;
result = strlenW(nt_prefix) + strlenW(ptr);
if (result < charcount)
{
path[0] = 0;
strcatW(path, nt_prefix);
strcatW(path, ptr);
}
else
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
result++;
}
}
else if (flags == VOLUME_NAME_DOS)
{
static const WCHAR dos_prefix[] = {'\\','\\','?','\\', '\0'};
result = strlenW(dos_prefix) + strlenW(info->Name.Buffer);
if (result < charcount)
{
path[0] = 0;
strcatW(path, dos_prefix);
strcatW(path, info->Name.Buffer);
}
else
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
result++;
}
}
else
{
/* Windows crashes here, but we prefer returning ERROR_INVALID_PARAMETER */
WARN("Invalid combination of flags: %x\n", flags);
SetLastError( ERROR_INVALID_PARAMETER );
}
return result;
}
/***********************************************************************
* GetFinalPathNameByHandleA (KERNEL32.@)
*/
DWORD WINAPI GetFinalPathNameByHandleA(HANDLE file, LPSTR path, DWORD charcount, DWORD flags)
{
WCHAR *str;
DWORD result, len, cp;
TRACE( "(%p,%p,%d,%x)\n", file, path, charcount, flags);
len = GetFinalPathNameByHandleW(file, NULL, 0, flags);
if (len == 0)
return 0;
str = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if (!str)
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return 0;
}
result = GetFinalPathNameByHandleW(file, str, len, flags);
if (result != len - 1)
{
HeapFree(GetProcessHeap(), 0, str);
WARN("GetFinalPathNameByHandleW failed unexpectedly: %u\n", result);
return 0;
}
cp = AreFileApisANSI() ? CP_ACP : CP_OEMCP;
len = WideCharToMultiByte(cp, 0, str, -1, NULL, 0, NULL, NULL);
if (!len)
{
HeapFree(GetProcessHeap(), 0, str);
WARN("Failed to get multibyte length\n");
return 0;
}
if (charcount < len)
{
HeapFree(GetProcessHeap(), 0, str);
return len - 1;
}
len = WideCharToMultiByte(cp, 0, str, -1, path, charcount, NULL, NULL);
if (!len)
{
HeapFree(GetProcessHeap(), 0, str);
WARN("WideCharToMultiByte failed\n");
return 0;
}
HeapFree(GetProcessHeap(), 0, str);
return len - 1;
}
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