155 lines
4.4 KiB
C
155 lines
4.4 KiB
C
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// ******************************************************************
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// *
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// * proj : OpenXDK
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// *
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// * desc : Open Source XBox Development Kit
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// *
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// * file : xfile.h
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// *
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// * note : XBox File Access
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// *
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// ******************************************************************
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// * TODO: most of this belongs in a different .h
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// ******************************************************************
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#ifndef XFILE_H
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#define XFILE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "xboxkrnl\xboxkrnl.h"
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#define INVALID_HANDLE_VALUE ((HANDLE)-1)
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#define INVALID_FILE_SIZE ((HANDLE)-1)
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#define DELETE (0x00010000L)
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#ifndef PAGE_SIZE
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#define PAGE_SIZE 4096
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#endif
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#define ALIGN_SIZE (0x10000) // NT's allocation alignment size (64k)
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// PAGE_ALIGN:
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// Returns an address rounded down to the nearest page boundary.
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// Differences from NT: None.
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#define NT_SUCCESS(Status) ((NTSTATUS) (Status) >= 0)
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#define PAGE_ALIGN(Va) ((PVOID)((ULONG_PTR)(Va) & ~(PAGE_SIZE - 1)))
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// Initializes an OBJECT_ATTRIBUTES. I added this because it's familiar to
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// NT kernel mode programmers. I just changed it to the XBOX style.
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// Works as if it were this function:
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#define InitializeObjectAttributes( p, n, a, r ) { \
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(p)->RootDirectory = r; \
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(p)->Attributes = a; \
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(p)->ObjectName = n; \
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}
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//unsure where these really belong
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#define MAX_PATH (2048)
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#define ERROR_NEGATIVE_SEEK (131)
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#define ERROR_INVALID_NAME (123)
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#define ERROR_OPEN_FAILED (110)
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#define ERROR_DRIVE_LOCKED (108)
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#define ERROR_HANDLE_DISK_FULL (39)
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#define ERROR_ALREADY_EXISTS (183)
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#define ERROR_INVALID_PARAMETER (1)
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#define ERROR_FILE_NOT_FOUND (2)
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#define ERROR_TOO_MANY_OPEN_FILES (4)
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#define ERROR_INVALID_HANDLE (6)
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#define ERROR_NOT_ENOUGH_MEMORY (0x100000)
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#define NO_ERROR (0)
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typedef char* LPCSTR;
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// ==============================================
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// end stuff that belong in some xboxwindows.h
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// ==============================================
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// these structs need to be here as they are used as parameters
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typedef struct SSecurity_Attributes{
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u32 nLength;
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void* lpSecurityDescriptor;
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u32 bInheritHandle;
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} SSecurity_Attributes, *PSecurity_Attributes ;
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typedef struct _OVERLAPPED {
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u32 Internal;
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u32 InternalHigh;
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u32 Offset;
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u32 OffsetHigh;
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HANDLE hEvent;
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} OVERLAPPED, *LPOVERLAPPED;
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// Standard
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#define FILE_FLAG_WRITE_THROUGH (0x80000000)
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#define FILE_FLAG_OVERLAPPED (0x40000000)
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#define FILE_FLAG_NO_BUFFERING (0x20000000)
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#define FILE_FLAG_RANDOM_ACCESS (0x10000000)
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#define FILE_FLAG_SEQUENTIAL_SCAN (0x08000000)
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#define FILE_FLAG_DELETE_ON_CLOSE (0x04000000)
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#define FILE_FLAG_BACKUP_SEMANTICS (0x02000000)
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#define FILE_FLAG_POSIX_SEMANTICS (0x01000000)
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#define FILE_FLAG_OPEN_REPARSE_POINT (0x00200000)
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#define FILE_FLAG_OPEN_NO_RECALL (0x00100000)
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#define CREATE_NEW (0x00000001)
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#define CREATE_ALWAYS (0x00000002)
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#define OPEN_EXISTING (0x00000003)
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#define OPEN_ALWAYS (0x00000004)
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#define TRUNCATE_EXISTING (0x00000005)
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#define GENERIC_READ (0x80000000)
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#define GENERIC_WRITE (0x40000000)
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#define FILE_BEGIN (0x00000000)
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#define FILE_CURRENT (0x00000001)
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#define FILE_END (0x00000002)
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HANDLE CreateFile(char* lpFilename,
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u32 dwDesiredAccess,
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u32 dwShareMode,
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SSecurity_Attributes *lpSecurityAttributes,
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u32 dwCreationDisposition,
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u32 dwFlagsAndAttributes,
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HANDLE hTemplateFile
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);
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int ReadFile( HANDLE hFile, // file handle
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void* lpBuffer, // Dest buffer to put file
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u32 nNumberOfBytesToRead, // read "n" bytes
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u32* lpNumberOfBytesRead, // pointer to a place to store bytes read
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LPOVERLAPPED lpOverlapped // NULL unless overlap
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);
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int WriteFile( HANDLE hFile,
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PVOID lpBuffer,
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u32 nNumberOfBytesToWrite,
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u32* lpNumberOfBytesWritten,
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LPOVERLAPPED lpOverlapped
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);
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int CloseHandle(HANDLE Handle);
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int GetFileSizeEx(HANDLE hFile, PLARGE_INTEGER lpFileSize);
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int SetFilePointerEx(HANDLE hFile, LARGE_INTEGER liDistanceToMove, PLARGE_INTEGER lpNewFilePointer, DWORD dwMoveMethod);
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char* GetLastErrorMessage( void );
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void SetLastError( u32 ErrorCode );
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#ifdef __cplusplus
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};
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#endif
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#endif
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