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