diff options
Diffstat (limited to 'libstore/store.h')
| -rw-r--r-- | libstore/store.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/libstore/store.h b/libstore/store.h index ee0a2d21..9d9ee712 100644 --- a/libstore/store.h +++ b/libstore/store.h @@ -132,6 +132,8 @@ typedef error_t (*store_read_meth_t)(struct store *store, store_offset_t addr, size_t index, mach_msg_type_number_t amount, void **buf, mach_msg_type_number_t *len); +typedef error_t (*store_set_size_meth_t)(struct store *store, + size_t newsize); struct store_enc; /* fwd decl */ @@ -144,11 +146,13 @@ struct store_class const char *name; /* Read up to AMOUNT bytes at the underlying address ADDR from the storage - into BUF and LEN. INDEX varies from 0 to the number of runs in STORE. */ + into BUF and LEN. INDEX varies from 0 to the number of runs in STORE. */ store_read_meth_t read; /* Write up to LEN bytes from BUF to the storage at the underlying address - ADDR. INDEX varies from 0 to the number of runs in STORE. */ + ADDR. INDEX varies from 0 to the number of runs in STORE. */ store_write_meth_t write; + /* Set store's size to NEWSIZE (in bytes). */ + store_set_size_meth_t set_size; /* To the lengths of each for the four arrays in ENC, add how much STORE would need to be encoded. */ @@ -305,6 +309,9 @@ error_t store_write (struct store *store, error_t store_read (struct store *store, store_offset_t addr, size_t amount, void **buf, size_t *len); +/* Set STORE's size to NEWSIZE (in bytes). */ +error_t store_set_size (struct store *store, size_t newsize); + /* If STORE was created using store_create, remove the reference to the source from which it was created. */ void store_close_source (struct store *store); |