freshlybakedca.ke
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1#include "git-compat-util.h"
2#include "hash.h"
3#include "oidmap.h"
4
5static int oidmap_neq(const void *hashmap_cmp_fn_data UNUSED,
6 const struct hashmap_entry *e1,
7 const struct hashmap_entry *e2,
8 const void *keydata)
9{
10 const struct oidmap_entry *a, *b;
11
12 a = container_of(e1, const struct oidmap_entry, internal_entry);
13 b = container_of(e2, const struct oidmap_entry, internal_entry);
14
15 if (keydata)
16 return !oideq(&a->oid, (const struct object_id *) keydata);
17 return !oideq(&a->oid, &b->oid);
18}
19
20void oidmap_init(struct oidmap *map, size_t initial_size)
21{
22 hashmap_init(&map->map, oidmap_neq, NULL, initial_size);
23}
24
25void oidmap_clear(struct oidmap *map, int free_entries)
26{
27 if (!map)
28 return;
29
30 /* TODO: make oidmap itself not depend on struct layouts */
31 hashmap_clear_(&map->map, free_entries ? 0 : -1);
32}
33
34void *oidmap_get(const struct oidmap *map, const struct object_id *key)
35{
36 if (!map->map.cmpfn)
37 return NULL;
38
39 return hashmap_get_from_hash(&map->map, oidhash(key), key);
40}
41
42void *oidmap_remove(struct oidmap *map, const struct object_id *key)
43{
44 struct hashmap_entry entry;
45
46 if (!map->map.cmpfn)
47 oidmap_init(map, 0);
48
49 hashmap_entry_init(&entry, oidhash(key));
50 return hashmap_remove(&map->map, &entry, key);
51}
52
53void *oidmap_put(struct oidmap *map, void *entry)
54{
55 struct oidmap_entry *to_put = entry;
56
57 if (!map->map.cmpfn)
58 oidmap_init(map, 0);
59
60 hashmap_entry_init(&to_put->internal_entry, oidhash(&to_put->oid));
61 return hashmap_put(&map->map, &to_put->internal_entry);
62}