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nostrdb: filter: add ndb_filter_end

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This is a pretty scary looking function that realloc our large variable
filter buffer into a compact one. This saves up a bunch of memory when
we are done building the filter.

Signed-off-by: William Casarin <jb55@jb55.com>
This commit is contained in:
William Casarin
2024-02-08 15:07:06 -08:00
committed by Daniel D’Aquino
parent 0bd4717e01
commit 1c63c3b9bb
2 changed files with 89 additions and 9 deletions
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3
nostrdb/src/nostrdb.h
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@@ -241,6 +241,7 @@ struct ndb_filter {
struct cursor elem_buf;
struct cursor data_buf;
int num_elements;
int finalized;
struct ndb_filter_elements *current;
struct ndb_filter_elements *elements[NDB_NUM_FILTERS];
};
@@ -481,7 +482,7 @@ int ndb_filter_add_str_element(struct ndb_filter *, const char *str);
int ndb_filter_start_field(struct ndb_filter *, enum ndb_filter_fieldtype);
int ndb_filter_start_tag_field(struct ndb_filter *, char tag);
int ndb_filter_matches(struct ndb_filter *, struct ndb_note *);
void ndb_filter_reset(struct ndb_filter *);
int ndb_filter_end(struct ndb_filter *);
void ndb_filter_end_field(struct ndb_filter *);
void ndb_filter_destroy(struct ndb_filter *);