The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/fs/ntfs/ntfstypes.h

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    1 /*
    2  * ntfstypes.h - This file defines four things:
    3  * - Generic platform independent fixed-size types (e.g. ntfs_u32).
    4  * - Specific fixed-size types (e.g. ntfs_offset_t).
    5  * - Macros that read and write those types from and to byte arrays.
    6  * - Types derived from OS specific ones.
    7  *
    8  * Copyright (C) 1996, 1998, 1999 Martin von Löwis
    9  * Copyright (C) 2001 Anton Altaparmakov (AIA)
   10  */
   11 #include <linux/fs.h>
   12 #include "ntfsendian.h"
   13 #include <asm/types.h>
   14 
   15 /* Integral types */
   16 #ifndef NTFS_INTEGRAL_TYPES
   17 #define NTFS_INTEGRAL_TYPES
   18 typedef u8  ntfs_u8;
   19 typedef u16 ntfs_u16;
   20 typedef u32 ntfs_u32;
   21 typedef u64 ntfs_u64;
   22 typedef s8  ntfs_s8;
   23 typedef s16 ntfs_s16;
   24 typedef s32 ntfs_s32;
   25 typedef s64 ntfs_s64;
   26 #endif
   27 
   28 /* Unicode character type */
   29 #ifndef NTFS_WCHAR_T
   30 #define NTFS_WCHAR_T
   31 typedef u16 ntfs_wchar_t;
   32 #endif
   33 /* File offset */
   34 #ifndef NTFS_OFFSET_T
   35 #define NTFS_OFFSET_T
   36 typedef s64 ntfs_offset_t;
   37 #endif
   38 /* UTC */
   39 #ifndef NTFS_TIME64_T
   40 #define NTFS_TIME64_T
   41 typedef u64 ntfs_time64_t;
   42 #endif
   43 /*
   44  * This is really signed long long. So we support only volumes up to 2Tb. This
   45  * is ok as Win2k also only uses 32-bits to store clusters.
   46  * Whatever you do keep this a SIGNED value or a lot of NTFS users with
   47  * corrupted filesystems will lynch you! It causes massive fs corruption when
   48  * unsigned due to the nature of many checks relying on being performed on
   49  * signed quantities. (AIA)
   50  */
   51 #ifndef NTFS_CLUSTER_T
   52 #define NTFS_CLUSTER_T
   53 typedef s32 ntfs_cluster_t;
   54 #endif
   55 
   56 /* Architecture independent macros. */
   57 
   58 /* PUTU32 would not clear all bytes. */
   59 #define NTFS_PUTINUM(p,i)    NTFS_PUTU64(p, i->i_number); \
   60                              NTFS_PUTU16(((char*)p) + 6, i->sequence_number)
   61 
   62 /* System dependent types. */
   63 #include <asm/posix_types.h>
   64 #ifndef NTMODE_T
   65 #define NTMODE_T
   66 typedef __kernel_mode_t ntmode_t;
   67 #endif
   68 #ifndef NTFS_UID_T
   69 #define NTFS_UID_T
   70 typedef uid_t ntfs_uid_t;
   71 #endif
   72 #ifndef NTFS_GID_T
   73 #define NTFS_GID_T
   74 typedef gid_t ntfs_gid_t;
   75 #endif
   76 #ifndef NTFS_SIZE_T
   77 #define NTFS_SIZE_T
   78 typedef __kernel_size_t ntfs_size_t;
   79 #endif
   80 #ifndef NTFS_TIME_T
   81 #define NTFS_TIME_T
   82 typedef __kernel_time_t ntfs_time_t;
   83 #endif
   84 

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