static void ram_close_i(Store *store)
{
Hash *ht = store->dir.ht;
int i;
for (i = 0; i <= ht->mask; i++) {
RAMFile *rf = (RAMFile *)ht->table[i].value;
if (rf) {
DEREF(rf);
}
}
h_destroy(store->dir.ht);
store_destroy(store);
}
static void cmpd_close_i(Store *store)
{
CompoundStore *cmpd = store->dir.cmpd;
if (cmpd->stream == NULL) {
RAISE(IO_ERROR, "Tried to close already closed compound store");
}
h_destroy(cmpd->entries);
is_close(cmpd->stream);
cmpd->stream = NULL;
free(store->dir.cmpd);
store_destroy(store);
}
Store *open_cmpd_store(Store *store, const char *name)
{
int count, i;
off_t offset;
char *fname;
FileEntry *entry = NULL;
Store *new_store = NULL;
CompoundStore *volatile cmpd = NULL;
InStream *volatile is = NULL;
TRY
cmpd = ALLOC_AND_ZERO(CompoundStore);
cmpd->store = store;
cmpd->name = name;
cmpd->entries = h_new_str(&free, &free);
is = cmpd->stream = store->open_input(store, cmpd->name);
/* read the directory and init files */
count = is_read_vint(is);
entry = NULL;
for (i = 0; i < count; i++) {
offset = (off_t)is_read_i64(is);
fname = is_read_string(is);
if (entry != NULL) {
/* set length of the previous entry */
entry->length = offset - entry->offset;
}
entry = ALLOC(FileEntry);
entry->offset = offset;
h_set(cmpd->entries, fname, entry);
}
XCATCHALL
if (is) is_close(is);
if (cmpd->entries) h_destroy(cmpd->entries);
free(cmpd);
XENDTRY
/* set the length of the final entry */
if (entry != NULL) {
entry->length = is_length(is) - entry->offset;
}
new_store = store_new();
new_store->dir.cmpd = cmpd;
new_store->touch = &cmpd_touch;
new_store->exists = &cmpd_exists;
new_store->remove = &cmpd_remove;
new_store->rename = &cmpd_rename;
new_store->count = &cmpd_count;
new_store->clear = &cmpd_clear;
new_store->length = &cmpd_length;
new_store->each = &cmpd_each;
new_store->close_i = &cmpd_close_i;
new_store->new_output = &cmpd_new_output;
new_store->open_input = &cmpd_open_input;
new_store->open_lock_i = &cmpd_open_lock_i;
new_store->close_lock_i = &cmpd_close_lock_i;
return new_store;
}
