File: oidmap.c

package info (click to toggle)
git 1:2.20.1-2+deb10u3
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 45,676 kB
  • sloc: ansic: 210,769; sh: 180,432; perl: 29,102; tcl: 21,663; python: 6,143; makefile: 3,700; sed: 189; php: 120; asm: 98; csh: 45; ruby: 24; lisp: 12
file content (62 lines) | stat: -rw-r--r-- 1,411 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
#include "cache.h"
#include "oidmap.h"

static int oidmap_neq(const void *hashmap_cmp_fn_data,
		      const void *entry, const void *entry_or_key,
		      const void *keydata)
{
	const struct oidmap_entry *entry_ = entry;
	if (keydata)
		return !oideq(&entry_->oid, (const struct object_id *) keydata);
	return !oideq(&entry_->oid,
		      &((const struct oidmap_entry *) entry_or_key)->oid);
}

static int hash(const struct object_id *oid)
{
	int hash;
	memcpy(&hash, oid->hash, sizeof(hash));
	return hash;
}

void oidmap_init(struct oidmap *map, size_t initial_size)
{
	hashmap_init(&map->map, oidmap_neq, NULL, initial_size);
}

void oidmap_free(struct oidmap *map, int free_entries)
{
	if (!map)
		return;
	hashmap_free(&map->map, free_entries);
}

void *oidmap_get(const struct oidmap *map, const struct object_id *key)
{
	if (!map->map.cmpfn)
		return NULL;

	return hashmap_get_from_hash(&map->map, hash(key), key);
}

void *oidmap_remove(struct oidmap *map, const struct object_id *key)
{
	struct hashmap_entry entry;

	if (!map->map.cmpfn)
		oidmap_init(map, 0);

	hashmap_entry_init(&entry, hash(key));
	return hashmap_remove(&map->map, &entry, key);
}

void *oidmap_put(struct oidmap *map, void *entry)
{
	struct oidmap_entry *to_put = entry;

	if (!map->map.cmpfn)
		oidmap_init(map, 0);

	hashmap_entry_init(&to_put->internal_entry, hash(&to_put->oid));
	return hashmap_put(&map->map, to_put);
}