ntdll: Make NtCreateFile and NtOpenFile thin wrappers over an internal function.

This commit is contained in:
Nikolay Sivov 2009-06-05 13:56:54 +04:00 committed by Alexandre Julliard
parent 475dcb81f5
commit 1880a786d1
1 changed files with 66 additions and 50 deletions

View File

@ -90,60 +90,17 @@ mode_t FILE_umask = 0;
#define SECSPERDAY 86400
#define SECS_1601_TO_1970 ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
/**************************************************************************
* NtOpenFile [NTDLL.@]
* ZwOpenFile [NTDLL.@]
*
* Open a file.
*
* PARAMS
* handle [O] Variable that receives the file handle on return
* access [I] Access desired by the caller to the file
* attr [I] Structure describing the file to be opened
* io [O] Receives details about the result of the operation
* sharing [I] Type of shared access the caller requires
* options [I] Options for the file open
*
* RETURNS
* Success: 0. FileHandle and IoStatusBlock are updated.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtOpenFile( PHANDLE handle, ACCESS_MASK access,
POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK io,
ULONG sharing, ULONG options )
{
return NtCreateFile( handle, access, attr, io, NULL, 0,
sharing, FILE_OPEN, options, NULL, 0 );
}
/**************************************************************************
* NtCreateFile [NTDLL.@]
* ZwCreateFile [NTDLL.@]
* FILE_CreateFile (internal)
* Open a file.
*
* Either create a new file or directory, or open an existing file, device,
* directory or volume.
*
* PARAMS
* handle [O] Points to a variable which receives the file handle on return
* access [I] Desired access to the file
* attr [I] Structure describing the file
* io [O] Receives information about the operation on return
* alloc_size [I] Initial size of the file in bytes
* attributes [I] Attributes to create the file with
* sharing [I] Type of shared access the caller would like to the file
* disposition [I] Specifies what to do, depending on whether the file already exists
* options [I] Options for creating a new file
* ea_buffer [I] Pointer to an extended attributes buffer
* ea_length [I] Length of ea_buffer
*
* RETURNS
* Success: 0. handle and io are updated.
* Failure: An NTSTATUS error code describing the error.
* Parameter set fully identical with NtCreateFile
*/
NTSTATUS WINAPI NtCreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
ULONG attributes, ULONG sharing, ULONG disposition,
ULONG options, PVOID ea_buffer, ULONG ea_length )
static NTSTATUS FILE_CreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
ULONG attributes, ULONG sharing, ULONG disposition,
ULONG options, PVOID ea_buffer, ULONG ea_length )
{
ANSI_STRING unix_name;
int created = FALSE;
@ -248,6 +205,65 @@ NTSTATUS WINAPI NtCreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIB
return io->u.Status;
}
/**************************************************************************
* NtOpenFile [NTDLL.@]
* ZwOpenFile [NTDLL.@]
*
* Open a file.
*
* PARAMS
* handle [O] Variable that receives the file handle on return
* access [I] Access desired by the caller to the file
* attr [I] Structure describing the file to be opened
* io [O] Receives details about the result of the operation
* sharing [I] Type of shared access the caller requires
* options [I] Options for the file open
*
* RETURNS
* Success: 0. FileHandle and IoStatusBlock are updated.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtOpenFile( PHANDLE handle, ACCESS_MASK access,
POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK io,
ULONG sharing, ULONG options )
{
return FILE_CreateFile( handle, access, attr, io, NULL, 0,
sharing, FILE_OPEN, options, NULL, 0 );
}
/**************************************************************************
* NtCreateFile [NTDLL.@]
* ZwCreateFile [NTDLL.@]
*
* Either create a new file or directory, or open an existing file, device,
* directory or volume.
*
* PARAMS
* handle [O] Points to a variable which receives the file handle on return
* access [I] Desired access to the file
* attr [I] Structure describing the file
* io [O] Receives information about the operation on return
* alloc_size [I] Initial size of the file in bytes
* attributes [I] Attributes to create the file with
* sharing [I] Type of shared access the caller would like to the file
* disposition [I] Specifies what to do, depending on whether the file already exists
* options [I] Options for creating a new file
* ea_buffer [I] Pointer to an extended attributes buffer
* ea_length [I] Length of ea_buffer
*
* RETURNS
* Success: 0. handle and io are updated.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtCreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
ULONG attributes, ULONG sharing, ULONG disposition,
ULONG options, PVOID ea_buffer, ULONG ea_length )
{
return FILE_CreateFile( handle, access, attr, io, alloc_size, attributes,
sharing, disposition, options, ea_buffer, ea_length );
}
/***********************************************************************
* Asynchronous file I/O *
*/