Merge branch 'sg/show-failed-test-names'
[git] / oidset.c
1 #include "cache.h"
2 #include "oidset.h"
3
4 void oidset_init(struct oidset *set, size_t initial_size)
5 {
6         memset(&set->set, 0, sizeof(set->set));
7         if (initial_size)
8                 kh_resize_oid_set(&set->set, initial_size);
9 }
10
11 int oidset_contains(const struct oidset *set, const struct object_id *oid)
12 {
13         khiter_t pos = kh_get_oid_set(&set->set, *oid);
14         return pos != kh_end(&set->set);
15 }
16
17 int oidset_insert(struct oidset *set, const struct object_id *oid)
18 {
19         int added;
20         kh_put_oid_set(&set->set, *oid, &added);
21         return !added;
22 }
23
24 int oidset_remove(struct oidset *set, const struct object_id *oid)
25 {
26         khiter_t pos = kh_get_oid_set(&set->set, *oid);
27         if (pos == kh_end(&set->set))
28                 return 0;
29         kh_del_oid_set(&set->set, pos);
30         return 1;
31 }
32
33 void oidset_clear(struct oidset *set)
34 {
35         kh_release_oid_set(&set->set);
36         oidset_init(set, 0);
37 }
38
39 void oidset_parse_file(struct oidset *set, const char *path)
40 {
41         FILE *fp;
42         struct strbuf sb = STRBUF_INIT;
43         struct object_id oid;
44
45         fp = fopen(path, "r");
46         if (!fp)
47                 die("could not open object name list: %s", path);
48         while (!strbuf_getline(&sb, fp)) {
49                 const char *p;
50                 const char *name;
51
52                 /*
53                  * Allow trailing comments, leading whitespace
54                  * (including before commits), and empty or whitespace
55                  * only lines.
56                  */
57                 name = strchr(sb.buf, '#');
58                 if (name)
59                         strbuf_setlen(&sb, name - sb.buf);
60                 strbuf_trim(&sb);
61                 if (!sb.len)
62                         continue;
63
64                 if (parse_oid_hex(sb.buf, &oid, &p) || *p != '\0')
65                         die("invalid object name: %s", sb.buf);
66                 oidset_insert(set, &oid);
67         }
68         if (ferror(fp))
69                 die_errno("Could not read '%s'", path);
70         fclose(fp);
71         strbuf_release(&sb);
72 }