/*
doc: <routine name="ht_free" export="shared">
doc: <summary>Free memory used internally by `ht' and `ht' itself assuming it was allocated by the runtime memory routines (i.e. not `eif_malloc' or `eif_calloc'.</summary>
doc: <param name="ht" type="struct htable *">Table to initialize.</param>
doc: <thread_safety>Not Safe</thread_safety>
doc: <synchronization>None</synchronization>
doc: </routine>
*/
rt_shared void ht_free(struct htable *ht)
{
REQUIRE("ht not null", ht);
/* Free hash table arrays and descriptor */
ht_release (ht);
eif_rt_xfree((char *) ht);
}
/*
doc: <routine name="ht_resize" return_type="int" export="shared">
doc: <summary>Resize `ht' to accomodate `new_size' many elements.</summary>
doc: <param name="ht" type="struct htable *">Table to resize.</param>
doc: <param name="new_size" type="size_t">New size. If smaller than existing size, no resizing is done.</param>
doc: <return>0 if resizing was Ok, -1 otherwise.</return>
doc: <thread_safety>Not Safe</thread_safety>
doc: <synchronization>None</synchronization>
doc: </routine>
*/
rt_shared int ht_resize(struct htable *ht, size_t new_size)
{
size_t l_capacity; /* Size of old H table */
size_t sval; /* Size of an H table item */
rt_uint_ptr *key; /* To loop over keys */
void * val, *l_value; /* To loop over values */
struct htable new_ht;
REQUIRE("ht not null", ht);
l_capacity = ht->h_capacity;
if (l_capacity >= new_size) {
return -1; /* Requested size is no bigger than what we have. */
}
sval = ht->h_sval;
if (-1 == ht_create(&new_ht, l_capacity * 2, sval)) {
return -1; /* Extension of H table failed */
}
key = ht->h_keys; /* Start of array of keys */
val = ht->h_values; /* Start of array of values */
/* Now loop over the whole table, inserting each item in the new one */
for (; l_capacity > 0; l_capacity--, key++, val = (char *) val + sval) {
if (*key) {
l_value = ht_first(&new_ht, *key);
CHECK("Item found", l_value);
memcpy (l_value, val, sval);
}
}
/* Free old H table and set H table descriptor */
ht_release(ht);
memcpy (ht, &new_ht, sizeof(struct htable));
return 0; /* Extension was ok */
}
/**
* @brief release the pinyin dictionary
* @details [long description]
*
*/
void pinyin_destroy(PinTable * dict)
{
ht_release(dict);
}
