1 /* $Id: create.c,v 1.41 2004/11/29 17:31:21 gdalsnes Exp $
3 * COPYRIGHT: See COPYING in the top level directory
4 * PROJECT: ReactOS system libraries
5 * FILE: lib/kernel32/file/create.c
6 * PURPOSE: Directory functions
7 * PROGRAMMER: Ariadne ( ariadne@xs4all.nl)
8 * GetTempFileName is modified from WINE [ Alexandre Juiliard ]
11 * Removed use of SearchPath (not used by Windows)
12 * 18/08/2002: CreateFileW mess cleaned up (KJK::Hyperion)
13 * 24/08/2002: removed superfluous DPRINTs (KJK::Hyperion)
16 /* INCLUDES *****************************************************************/
21 #include "../include/debug.h"
24 /* FUNCTIONS ****************************************************************/
29 HANDLE STDCALL
CreateFileA (LPCSTR lpFileName
,
30 DWORD dwDesiredAccess
,
32 LPSECURITY_ATTRIBUTES lpSecurityAttributes
,
33 DWORD dwCreationDisposition
,
34 DWORD dwFlagsAndAttributes
,
37 UNICODE_STRING FileNameU
;
41 DPRINT("CreateFileA(lpFileName %s)\n",lpFileName
);
43 RtlInitAnsiString (&FileName
,
46 /* convert ansi (or oem) string to unicode */
48 RtlAnsiStringToUnicodeString (&FileNameU
,
52 RtlOemStringToUnicodeString (&FileNameU
,
56 FileHandle
= CreateFileW (FileNameU
.Buffer
,
60 dwCreationDisposition
,
64 RtlFreeHeap (RtlGetProcessHeap (),
75 HANDLE STDCALL
CreateFileW (LPCWSTR lpFileName
,
76 DWORD dwDesiredAccess
,
78 LPSECURITY_ATTRIBUTES lpSecurityAttributes
,
79 DWORD dwCreationDisposition
,
80 DWORD dwFlagsAndAttributes
,
83 OBJECT_ATTRIBUTES ObjectAttributes
;
84 IO_STATUS_BLOCK IoStatusBlock
;
85 UNICODE_STRING NtPathU
;
89 CSRSS_API_REQUEST Request
;
90 CSRSS_API_REPLY Reply
;
92 DPRINT("CreateFileW(lpFileName %S)\n",lpFileName
);
94 if(hTemplateFile
!= NULL
&& hTemplateFile
!= INVALID_HANDLE_VALUE
)
97 DPRINT1("Template file feature not supported yet\n");
98 SetLastError(ERROR_NOT_SUPPORTED
);
99 return INVALID_HANDLE_VALUE
;
102 /* validate & translate the creation disposition */
103 switch (dwCreationDisposition
)
106 dwCreationDisposition
= FILE_CREATE
;
110 dwCreationDisposition
= FILE_OVERWRITE_IF
;
114 dwCreationDisposition
= FILE_OPEN
;
118 dwCreationDisposition
= FILE_OPEN_IF
;
121 case TRUNCATE_EXISTING
:
122 dwCreationDisposition
= FILE_OVERWRITE
;
126 SetLastError(ERROR_INVALID_PARAMETER
);
127 return (INVALID_HANDLE_VALUE
);
130 /* validate & translate the filename */
131 if (!RtlDosPathNameToNtPathName_U ((LPWSTR
)lpFileName
,
136 DPRINT("Invalid path\n");
137 SetLastError(ERROR_PATH_NOT_FOUND
);
138 return INVALID_HANDLE_VALUE
;
141 DPRINT("NtPathU \'%S\'\n", NtPathU
.Buffer
);
143 /* validate & translate the flags */
145 /* translate the flags that need no validation */
146 if (!(dwFlagsAndAttributes
& FILE_FLAG_OVERLAPPED
)){
147 /* yes, nonalert is correct! apc's are not delivered
148 while waiting for file io to complete */
149 Flags
|= FILE_SYNCHRONOUS_IO_NONALERT
;
152 if(dwFlagsAndAttributes
& FILE_FLAG_WRITE_THROUGH
)
153 Flags
|= FILE_WRITE_THROUGH
;
155 if(dwFlagsAndAttributes
& FILE_FLAG_NO_BUFFERING
)
156 Flags
|= FILE_NO_INTERMEDIATE_BUFFERING
;
158 if(dwFlagsAndAttributes
& FILE_FLAG_RANDOM_ACCESS
)
159 Flags
|= FILE_RANDOM_ACCESS
;
161 if(dwFlagsAndAttributes
& FILE_FLAG_SEQUENTIAL_SCAN
)
162 Flags
|= FILE_SEQUENTIAL_ONLY
;
164 if(dwFlagsAndAttributes
& FILE_FLAG_DELETE_ON_CLOSE
)
165 Flags
|= FILE_DELETE_ON_CLOSE
;
167 if(dwFlagsAndAttributes
& FILE_FLAG_BACKUP_SEMANTICS
)
169 if(dwDesiredAccess
& GENERIC_ALL
)
170 Flags
|= FILE_OPEN_FOR_BACKUP_INTENT
| FILE_OPEN_FOR_RECOVERY
;
173 if(dwDesiredAccess
& GENERIC_READ
)
174 Flags
|= FILE_OPEN_FOR_BACKUP_INTENT
;
176 if(dwDesiredAccess
& GENERIC_WRITE
)
177 Flags
|= FILE_OPEN_FOR_RECOVERY
;
181 Flags
|= FILE_NON_DIRECTORY_FILE
;
184 /* handle may allways be waited on and querying attributes are allways allowed */
185 dwDesiredAccess
|= SYNCHRONIZE
|FILE_READ_ATTRIBUTES
;
187 /* FILE_FLAG_POSIX_SEMANTICS is handled later */
190 /* FIXME: Win32 constants to be defined */
191 if(dwFlagsAndAttributes
& FILE_FLAG_OPEN_REPARSE_POINT
)
192 Flags
|= FILE_OPEN_REPARSE_POINT
;
194 if(dwFlagsAndAttributes
& FILE_FLAG_OPEN_NO_RECALL
)
195 Flags
|= FILE_OPEN_NO_RECALL
;
198 /* check for console output */
199 if (0 == _wcsicmp(L
"CONOUT$", lpFileName
))
201 /* FIXME: Send required access rights to Csrss */
202 Request
.Type
= CSRSS_GET_OUTPUT_HANDLE
;
203 Status
= CsrClientCallServer(&Request
,
205 sizeof(CSRSS_API_REQUEST
),
206 sizeof(CSRSS_API_REPLY
));
207 if (!NT_SUCCESS(Status
) || !NT_SUCCESS(Status
= Reply
.Status
))
209 SetLastErrorByStatus(Status
);
210 return INVALID_HANDLE_VALUE
;
214 return Reply
.Data
.GetOutputHandleReply
.OutputHandle
;
218 /* check for console input */
219 if (0 == _wcsicmp(L
"CONIN$", lpFileName
))
221 /* FIXME: Send required access rights to Csrss */
222 Request
.Type
= CSRSS_GET_INPUT_HANDLE
;
223 Status
= CsrClientCallServer(&Request
,
225 sizeof(CSRSS_API_REQUEST
),
226 sizeof(CSRSS_API_REPLY
));
227 if (!NT_SUCCESS(Status
) || !NT_SUCCESS(Status
= Reply
.Status
))
229 SetLastErrorByStatus(Status
);
230 return INVALID_HANDLE_VALUE
;
234 return Reply
.Data
.GetInputHandleReply
.InputHandle
;
238 /* build the object attributes */
239 InitializeObjectAttributes(
247 if (lpSecurityAttributes
)
249 if(lpSecurityAttributes
->bInheritHandle
)
250 ObjectAttributes
.Attributes
|= OBJ_INHERIT
;
252 ObjectAttributes
.SecurityDescriptor
= lpSecurityAttributes
->lpSecurityDescriptor
;
255 if(!(dwFlagsAndAttributes
& FILE_FLAG_POSIX_SEMANTICS
))
256 ObjectAttributes
.Attributes
|= OBJ_CASE_INSENSITIVE
;
258 /* perform the call */
259 Status
= NtCreateFile (&FileHandle
,
264 dwFlagsAndAttributes
,
266 dwCreationDisposition
,
271 RtlFreeUnicodeString(&NtPathU
);
274 if (!NT_SUCCESS(Status
))
276 SetLastErrorByStatus (Status
);
277 return INVALID_HANDLE_VALUE
;
281 create with OPEN_ALWAYS (FILE_OPEN_IF) returns info = FILE_OPENED or FILE_CREATED
282 create with CREATE_ALWAYS (FILE_OVERWRITE_IF) returns info = FILE_OVERWRITTEN or FILE_CREATED
284 if (dwCreationDisposition
== FILE_OPEN_IF
)
286 SetLastError(IoStatusBlock
.Information
== FILE_OPENED
? ERROR_ALREADY_EXISTS
: 0);
288 else if (dwCreationDisposition
== FILE_OVERWRITE_IF
)
290 SetLastError(IoStatusBlock
.Information
== FILE_OVERWRITTEN
? ERROR_ALREADY_EXISTS
: 0);