sha1-name.c: remove stray newline
[git/git.git] / sha1-array.c
... / ...
CommitLineData
1#include "cache.h"
2#include "sha1-array.h"
3#include "sha1-lookup.h"
4
5void oid_array_append(struct oid_array *array, const struct object_id *oid)
6{
7 ALLOC_GROW(array->oid, array->nr + 1, array->alloc);
8 oidcpy(&array->oid[array->nr++], oid);
9 array->sorted = 0;
10}
11
12static int void_hashcmp(const void *a, const void *b)
13{
14 return oidcmp(a, b);
15}
16
17static void oid_array_sort(struct oid_array *array)
18{
19 QSORT(array->oid, array->nr, void_hashcmp);
20 array->sorted = 1;
21}
22
23static const unsigned char *sha1_access(size_t index, void *table)
24{
25 struct object_id *array = table;
26 return array[index].hash;
27}
28
29int oid_array_lookup(struct oid_array *array, const struct object_id *oid)
30{
31 if (!array->sorted)
32 oid_array_sort(array);
33 return sha1_pos(oid->hash, array->oid, array->nr, sha1_access);
34}
35
36void oid_array_clear(struct oid_array *array)
37{
38 FREE_AND_NULL(array->oid);
39 array->nr = 0;
40 array->alloc = 0;
41 array->sorted = 0;
42}
43
44int oid_array_for_each_unique(struct oid_array *array,
45 for_each_oid_fn fn,
46 void *data)
47{
48 int i;
49
50 if (!array->sorted)
51 oid_array_sort(array);
52
53 for (i = 0; i < array->nr; i++) {
54 int ret;
55 if (i > 0 && !oidcmp(array->oid + i, array->oid + i - 1))
56 continue;
57 ret = fn(array->oid + i, data);
58 if (ret)
59 return ret;
60 }
61 return 0;
62}