minix/lib/libmagicrt/include/st/metadata_transfer.h

   1 #ifndef METADATA_TRANSFER_H
   2 #define METADATA_TRANSFER_H
   3
   4 #include <st/state_transfer.h>
   5
   6 /* Metadata transfer and adjustment functions */
   7 PRIVATE int transfer_metadata_functions(st_init_info_t *info,
   8     struct _magic_vars_t *cached_magic_vars,
   9     struct _magic_vars_t *remote_magic_vars,
  10     st_counterparts_t *counterparts);
  11 PRIVATE int transfer_metadata_dfunctions(st_init_info_t *info,
  12     struct _magic_vars_t *cached_magic_vars,
  13     struct _magic_vars_t *remote_magic_vars,
  14     st_counterparts_t *counterparts);
  15 PRIVATE int transfer_metadata_type_members(st_init_info_t *info,
  16     struct _magic_type *type, struct _magic_vars_t *cached_magic_vars,
  17     struct _magic_vars_t *remote_magic_vars);
  18 PRIVATE int transfer_metadata_sentries(st_init_info_t *info,
  19     struct _magic_vars_t *cached_magic_vars,
  20     struct _magic_vars_t *remote_magic_vars, st_counterparts_t *counterparts,
  21     size_t *max_buff_sz);
  22 PRIVATE int transfer_metadata_sentry_members(st_init_info_t *info,
  23     struct _magic_sentry *sentry);
  24
  25 PRIVATE int pair_metadata_types(st_init_info_t *info,
  26     struct _magic_vars_t *cached_magic_vars,
  27     st_counterparts_t *counterparts, int allow_unpaired_types);
  28 PRIVATE int pair_metadata_functions(st_init_info_t *info,
  29     struct _magic_vars_t *cached_magic_vars, st_counterparts_t *counterparts);
  30 PRIVATE int pair_metadata_sentries(st_init_info_t *info,
  31     struct _magic_vars_t *cached_magic_vars, st_counterparts_t *counterparts);
  32 #if !ST_ASSUME_RAW_COPY_BEFORE_TRANSFER
  33 PRIVATE int allocate_pair_metadata_dsentries(st_init_info_t *info,
  34     struct _magic_vars_t *cached_magic_vars, st_counterparts_t *counterparts);
  35 #else
  36 PRIVATE int allocate_pair_metadata_dsentries_from_raw_copy(st_init_info_t *info,
  37     struct _magic_vars_t *cached_magic_vars, st_counterparts_t *counterparts);
  38 #endif
  39
  40 /* metadata transfer helper functions */
  41 PRIVATE int md_transfer_str(st_init_info_t *info, char **str_pt);
  42 #define MD_TRANSFER_STR(INFO, STR_PT)                                          \
  43     do {                                                                       \
  44         if (md_transfer_str(INFO, __UNCONST(STR_PT))) {                        \
  45             printf("%s, line %d. md_transfer_str(): ERROR transferring.\n",    \
  46                 __FILE__, __LINE__);                                           \
  47             return EGENERIC;                                                   \
  48         }                                                                      \
  49     } while(0)
  50 PRIVATE int md_transfer(st_init_info_t *info, void *from, void **to, int len);
  51 #define MD_TRANSFER(INFO, FROM, TO, LEN)                                       \
  52     do {                                                                       \
  53         if (md_transfer(INFO, FROM, TO, LEN)) {                                \
  54             printf("%s, line %d. md_transfer(): ERROR transferring.\n",        \
  55                 __FILE__, __LINE__);                                           \
  56             return EGENERIC;                                                   \
  57         }                                                                      \
  58     } while(0)
  59
  60 #endif /* METADATA_TRANSFER_H */