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- /*
- * ntfstypes.h
- * This file defines four things:
- * - generic platform independent fixed-size types (e.g. ntfs_u32)
- * - specific fixed-size types (e.g. ntfs_offset_t)
- * - macros that read and write those types from and to byte arrays
- * - types derived from OS specific ones
- *
- * Copyright (C) 1996 Martin von L÷wis
- */
-
- #ifdef NTFS_IN_LINUX_KERNEL
- /* get installed types if we compile the kernel*/
- #include <linux/fs.h>
- #endif
-
- #ifdef _MSC_VER
- #include <nttypes.h>
- #endif
-
- #ifdef HAVE_CONFIG_H
- #include "config.h"
- #endif
-
- #if defined(i386) || defined(__i386__)
-
- /* unsigned integral types */
- #ifndef NTFS_INTEGRAL_TYPES
- #define NTFS_INTEGRAL_TYPES
- typedef unsigned char ntfs_u8;
- typedef unsigned short ntfs_u16;
- typedef unsigned int ntfs_u32;
- typedef unsigned long long ntfs_u64;
- #endif
-
- /* unicode character type */
- #ifndef NTFS_WCHAR_T
- #define NTFS_WCHAR_T
- typedef unsigned short ntfs_wchar_t;
- #endif
- /* file offset */
- #ifndef NTFS_OFFSET_T
- #define NTFS_OFFSET_T
- typedef unsigned long long ntfs_offset_t;
- #endif
- /* UTC */
- #ifndef NTFS_TIME64_T
- #define NTFS_TIME64_T
- typedef unsigned long long ntfs_time64_t;
- #endif
- /* This is really unsigned long long. So we support only volumes up to 2 TB */
- #ifndef NTFS_CLUSTER_T
- #define NTFS_CLUSTER_T
- typedef unsigned int ntfs_cluster_t;
- #endif
-
- /* Macros reading unsigned integers from a byte pointer */
- /* these should work for all little endian machines */
- #define NTFS_GETU8(p) (*(ntfs_u8*)(p))
- #define NTFS_GETU16(p) (*(ntfs_u16*)(p))
- #define NTFS_GETU24(p) (NTFS_GETU32(p) & 0xFFFFFF)
- #define NTFS_GETU32(p) (*(ntfs_u32*)(p))
- #define NTFS_GETU64(p) (*(ntfs_u64*)(p))
-
- /* Macros writing unsigned integers */
- #define NTFS_PUTU8(p,v) (*(ntfs_u8*)(p))=(v)
- #define NTFS_PUTU16(p,v) (*(ntfs_u16*)(p))=(v)
- #define NTFS_PUTU24(p,v) NTFS_PUTU16(p,(v) & 0xFFFF);\
- NTFS_PUTU8(((char*)p)+2,(v)>>16)
- #define NTFS_PUTU32(p,v) (*(ntfs_u32*)(p))=(v)
- #define NTFS_PUTU64(p,v) (*(ntfs_u64*)(p))=(v)
-
- /* Macros reading signed integers, returning int */
- #define NTFS_GETS8(p) ((int)(*(char*)(p)))
- #define NTFS_GETS16(p) ((int)(*(short*)(p)))
- #define NTFS_GETS24(p) (NTFS_GETU24(p) < 0x800000 ? (int)NTFS_GETU24(p) : (int)(NTFS_GETU24(p) | 0xFF000000))
-
- #define NTFS_PUTS8(p,v) NTFS_PUTU8(p,v)
- #define NTFS_PUTS16(p,v) NTFS_PUTU16(p,v)
- #define NTFS_PUTS24(p,v) NTFS_PUTU24(p,v)
- #define NTFS_PUTS32(p,v) NTFS_PUTU32(p,v)
-
- #else
- #error Put your machine description here
- #endif
-
- /* architecture independent macros */
-
- /* PUTU32 would not clear all bytes */
- #define NTFS_PUTINUM(p,i) NTFS_PUTU64(p,i->i_number);\
- NTFS_PUTU16(((char*)p)+6,i->sequence_number)
-
- /* system dependent types */
- #ifdef __linux__
- /* We always need kernel types, because glibc makes them of different size */
- #include <asm/posix_types.h>
- /* Avoid a type redefinition with future include of glibc <stdlib.h> */
- #undef __FD_ZERO
- #undef __FD_SET
- #undef __FD_CLR
- #undef __FD_ISSET
- #ifndef NTMODE_T
- #define NTMODE_T
- typedef __kernel_mode_t ntmode_t;
- #endif
- #ifndef NTFS_UID_T
- #define NTFS_UID_T
- typedef __kernel_uid_t ntfs_uid_t;
- #endif
- #ifndef NTFS_GID_T
- #define NTFS_GID_T
- typedef __kernel_gid_t ntfs_gid_t;
- #endif
- #ifndef NTFS_SIZE_T
- #define NTFS_SIZE_T
- typedef __kernel_size_t ntfs_size_t;
- #endif
- #ifndef NTFS_TIME_T
- #define NTFS_TIME_T
- typedef __kernel_time_t ntfs_time_t;
- #endif
- #else
- #ifndef _MSC_VER
- #ifdef HAVE_SYS_CDEFS_H
- /* hack to get BSD system header files to work */
- #include <sys/cdefs.h>
- #endif
- #include <sys/types.h>
- #include <sys/time.h>
- #include <sys/stat.h>
- typedef mode_t ntmode_t;
- typedef uid_t ntfs_uid_t;
- typedef gid_t ntfs_gid_t;
- typedef size_t ntfs_size_t;
- typedef time_t ntfs_time_t;
- #endif /* _MSC_VER */
- #endif /* __linux__ */
-
- /*
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
-