Merge branch 'en/filter-branch-deprecation'
[git/git.git] / oidset.c
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1#include "cache.h"
2#include "oidset.h"
3
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4void oidset_init(struct oidset *set, size_t initial_size)
5{
6 memset(&set->set, 0, sizeof(set->set));
7 if (initial_size)
8fbb558a 8 kh_resize_oid_set(&set->set, initial_size);
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9}
10
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11int oidset_contains(const struct oidset *set, const struct object_id *oid)
12{
8fbb558a 13 khiter_t pos = kh_get_oid_set(&set->set, *oid);
8b2f8cbc 14 return pos != kh_end(&set->set);
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15}
16
17int oidset_insert(struct oidset *set, const struct object_id *oid)
18{
8b2f8cbc 19 int added;
8fbb558a 20 kh_put_oid_set(&set->set, *oid, &added);
8b2f8cbc 21 return !added;
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22}
23
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24int oidset_remove(struct oidset *set, const struct object_id *oid)
25{
8fbb558a 26 khiter_t pos = kh_get_oid_set(&set->set, *oid);
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27 if (pos == kh_end(&set->set))
28 return 0;
8fbb558a 29 kh_del_oid_set(&set->set, pos);
8b2f8cbc 30 return 1;
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31}
32
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33void oidset_clear(struct oidset *set)
34{
8fbb558a 35 kh_release_oid_set(&set->set);
8b2f8cbc 36 oidset_init(set, 0);
29c2bd5f 37}
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38
39void 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}