Efi_File.open() - Intel Extensible Firmware Interface Specification

Extensible Firmware Interface Specification

10.2.1 EFI_FILE.Open()

Summary
Opens a new file relative to the source file's location.
Prototype
EFI_STATUS
(EFIAPI *EFI_FILE_OPEN) (
IN EFI_FILE
OUT EFI_FILE
IN CHAR16
IN UINT64
IN UINT64
);
Parameters
This
NewHandle
FileName
OpenMode
Attributes
192
*This,
**NewHandle,
*FileName,
OpenMode,
Attributes
A pointer to the
EFI_FILE
location. This would typically be an open handle to a directory. Type
is defined in Section 10.2.
EFI_FILE
A pointer to the location to return the opened handle for the new file.
Type is defined in Section 10.2.
EFI_FILE
The Null-terminated string of the name of the file to be opened. The file
name may contain the following path modifiers: "\", "
The mode to open the file. The only valid combinations that the file may
be opened with are: Read, Read/Write, or Create/Read/Write. See
"Related Definitions".
Only valid for
EFI_FILE_MODE_CREATE,
the attribute bits for the newly created file. See "Related Definitions".
12/12/00
instance that is the file handle to the source
.
in which case these are
Version 1.02
", and " ".
..