unsigned int bound;
};
-struct _notmuch_threads {
+#define DOCIDSET_WORD(bit) ((bit) / sizeof (unsigned int))
+#define DOCIDSET_BIT(bit) ((bit) % sizeof (unsigned int))
+
+struct visible _notmuch_threads {
notmuch_query_t *query;
/* The ordered list of doc ids matched by the query. */
static notmuch_bool_t
_notmuch_doc_id_set_init (void *ctx,
notmuch_doc_id_set_t *doc_ids,
- GArray *arr, unsigned int bound)
+ GArray *arr)
{
- size_t count = (bound + sizeof (doc_ids->bitmap[0]) - 1) /
- sizeof (doc_ids->bitmap[0]);
- unsigned int *bitmap = talloc_zero_array (ctx, unsigned int, count);
+ unsigned int max = 0;
+ unsigned int *bitmap;
+
+ for (unsigned int i = 0; i < arr->len; i++)
+ max = MAX(max, g_array_index (arr, unsigned int, i));
+ bitmap = talloc_zero_array (ctx, unsigned int, 1 + max / sizeof (*bitmap));
if (bitmap == NULL)
return FALSE;
doc_ids->bitmap = bitmap;
- doc_ids->bound = bound;
+ doc_ids->bound = max + 1;
for (unsigned int i = 0; i < arr->len; i++) {
- unsigned int doc_id = g_array_index(arr, unsigned int, i);
- bitmap[doc_id / sizeof (bitmap[0])] |=
- 1 << (doc_id % sizeof (bitmap[0]));
+ unsigned int doc_id = g_array_index (arr, unsigned int, i);
+ bitmap[DOCIDSET_WORD(doc_id)] |= 1 << DOCIDSET_BIT(doc_id);
}
return TRUE;
{
if (doc_id >= doc_ids->bound)
return FALSE;
- return (doc_ids->bitmap[doc_id / sizeof (doc_ids->bitmap[0])] &
- (1 << (doc_id % sizeof (doc_ids->bitmap[0])))) != 0;
+ return doc_ids->bitmap[DOCIDSET_WORD(doc_id)] & (1 << DOCIDSET_BIT(doc_id));
}
void
unsigned int doc_id)
{
if (doc_id < doc_ids->bound)
- doc_ids->bitmap[doc_id / sizeof (doc_ids->bitmap[0])] &=
- ~(1 << (doc_id % sizeof (doc_ids->bitmap[0])));
+ doc_ids->bitmap[DOCIDSET_WORD(doc_id)] &= ~(1 << DOCIDSET_BIT(doc_id));
}
/* Glib objects force use to use a talloc destructor as well, (but not
{
notmuch_threads_t *threads;
notmuch_messages_t *messages;
- Xapian::docid max_doc_id = 0;
threads = talloc (query, notmuch_threads_t);
if (threads == NULL)
while (notmuch_messages_valid (messages)) {
unsigned int doc_id = _notmuch_mset_messages_get_doc_id (messages);
g_array_append_val (threads->doc_ids, doc_id);
- max_doc_id = MAX (max_doc_id, doc_id);
notmuch_messages_move_to_next (messages);
}
threads->doc_id_pos = 0;
talloc_free (messages);
if (! _notmuch_doc_id_set_init (threads, &threads->match_set,
- threads->doc_ids, max_doc_id + 1)) {
+ threads->doc_ids)) {
talloc_free (threads);
return NULL;
}