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#include "git-compat-util.h"
#include "oidset.h"
#include "hex.h"
#include "strbuf.h"
void oidset_init(struct oidset *set, size_t initial_size)
{
memset(&set->set, 0, sizeof(set->set));
if (initial_size)
kh_resize_oid_set(&set->set, initial_size);
}
int oidset_contains(const struct oidset *set, const struct object_id *oid)
{
khiter_t pos = kh_get_oid_set(&set->set, *oid);
return pos != kh_end(&set->set);
}
int oidset_insert(struct oidset *set, const struct object_id *oid)
{
int added;
kh_put_oid_set(&set->set, *oid, &added);
return !added;
}
int oidset_remove(struct oidset *set, const struct object_id *oid)
{
khiter_t pos = kh_get_oid_set(&set->set, *oid);
if (pos == kh_end(&set->set))
return 0;
kh_del_oid_set(&set->set, pos);
return 1;
}
void oidset_clear(struct oidset *set)
{
kh_release_oid_set(&set->set);
oidset_init(set, 0);
}
void oidset_parse_file(struct oidset *set, const char *path)
{
oidset_parse_file_carefully(set, path, NULL, NULL);
}
void oidset_parse_file_carefully(struct oidset *set, const char *path,
oidset_parse_tweak_fn fn, void *cbdata)
{
FILE *fp;
struct strbuf sb = STRBUF_INIT;
struct object_id oid;
fp = fopen(path, "r");
if (!fp)
die("could not open object name list: %s", path);
while (!strbuf_getline(&sb, fp)) {
const char *p;
const char *name;
/*
* Allow trailing comments, leading whitespace
* (including before commits), and empty or whitespace
* only lines.
*/
name = strchr(sb.buf, '#');
if (name)
strbuf_setlen(&sb, name - sb.buf);
strbuf_trim(&sb);
if (!sb.len)
continue;
if (parse_oid_hex(sb.buf, &oid, &p) || *p != '\0')
die("invalid object name: %s", sb.buf);
if (fn && fn(&oid, cbdata))
continue;
oidset_insert(set, &oid);
}
if (ferror(fp))
die_errno("Could not read '%s'", path);
fclose(fp);
strbuf_release(&sb);
}
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