livefiles_hfs_plugin/lf_hfs_utils.h

   1 /*  Copyright © 2017-2018 Apple Inc. All rights reserved.
   2  *
   3  *  lf_hfs_utils.h
   4  *  livefiles_hfs
   5  *
   6  *  Created by Yakov Ben Zaken on 19/03/2018.
   7  */
   8
   9 #ifndef lf_hfs_utils_h
  10 #define lf_hfs_utils_h
  11
  12 #include <stdio.h>
  13 #include <assert.h>
  14 #include "lf_hfs_locks.h"
  15 #include "lf_hfs.h"
  16 #include "lf_hfs_logger.h"
  17
  18 #define hfs_assert(expr)                                        \
  19     do {                                                        \
  20         if ( (expr) == (0) )                                    \
  21         {                                                       \
  22             LFHFS_LOG(  LEVEL_ERROR,                            \
  23                         "HFS ASSERT [%s] [%d]\n",               \
  24                         __FILE__,                               \
  25                         __LINE__);                              \
  26             assert( 0 );                                        \
  27         }                                                       \
  28     } while (0)
  29
  30 #define MAC_GMT_FACTOR        2082844800UL
  31
  32
  33 void*       hashinit(int elements, u_long *hashmask);
  34 void        hashDeinit(void* pvHashTbl);
  35 time_t      to_bsd_time(u_int32_t hfs_time);
  36 u_int32_t   to_hfs_time(time_t bsd_time);
  37 void        microuptime(struct timeval *tvp);
  38 void        microtime(struct timeval *tvp);
  39 void*       lf_hfs_utils_allocate_and_copy_string( char *pcName, size_t uLen );
  40 off_t       blk_to_bytes(uint32_t blk, uint32_t blk_size);
  41
  42 #endif /* lf_hfs_utils_h */