Changeset 7a23d60 in mainline for uspace/srv/fs/fat/fat.h


Ignore:
Timestamp:
2010-07-26T20:10:21Z (15 years ago)
Author:
Jakub Jermar <jakub@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
6da81e0
Parents:
ed6cf34b
Message:

Use convenience macros for accessing FAT boot sector in fat_ops.c as well.

File:
1 edited

Legend:

Unmodified
Added
Removed

  • uspace/srv/fs/fat/fat.h

    red6cf34b r7a23d60  
    4848
    4949#define min(a, b)               ((a) < (b) ? (a) : (b))
     50
     51/*
     52 * Convenience macros for accessing some frequently used boot sector members.
     53 */
     54#define BPS(bs)         uint16_t_le2host((bs)->bps)
     55#define SPC(bs)         (bs)->spc
     56#define RSCNT(bs)       uint16_t_le2host((bs)->rscnt)
     57#define FATCNT(bs)      (bs)->fatcnt
     58#define SF(bs)          uint16_t_le2host((bs)->sec_per_fat)
     59#define RDE(bs)         uint16_t_le2host((bs)->root_ent_max)
     60#define TS(bs)          (uint16_t_le2host((bs)->totsec16) != 0 ? \
     61                        uint16_t_le2host((bs)->totsec16) : \
     62                        uint32_t_le2host(bs->totsec32))
    5063
    5164#define BS_BLOCK                0
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