Exemplo n.º 1
0
static int
find_dst(struct parse_arg *pasrc, const char *dst)
{
	int ret;
	struct parse_arg padst;
	struct _lookup *cl;
	struct _region data;

	ret = _lookup_seq_open(&cl, CS_PIVOT, _LOOKUP_CASE_IGNORE);
	if (ret)
		return ret;

	ret = _lookup_seq_lookup(cl, pasrc->dst, &data);
	while (ret == 0) {
		ret = parse_line(&padst, &data);
		if (ret)
			break;
		if (strcmp(dst, padst.dst) == 0) {
			pasrc->norm += padst.norm;
			break;
		}
		ret = _lookup_seq_next(cl, NULL, &data);
	}
	_lookup_seq_close(cl);

	return ret;
}
Exemplo n.º 2
0
static int
find_best_pivot_lookup(const char *src, const char *dst, char *pivot,
		       size_t pvlen, unsigned long *rnorm)
{
	int ret;
	struct _lookup *cl;
	struct _region data;
	struct parse_arg pa;
	unsigned long norm_min;
	char pivot_min[PATH_MAX];

	ret = _lookup_seq_open(&cl, CS_PIVOT, _LOOKUP_CASE_IGNORE);
	if (ret)
		return ret;

	norm_min = ULONG_MAX;

	/* find pivot code */
	ret = _lookup_seq_lookup(cl, src, &data);
	while (ret == 0) {
		ret = parse_line(&pa, &data);
		if (ret)
			break;
		ret = find_dst(&pa, dst);
		if (ret)
			break;
		if (pa.norm < norm_min) {
			norm_min = pa.norm;
			strlcpy(pivot_min, pa.dst, sizeof(pivot_min));
		}
		ret = _lookup_seq_next(cl, NULL, &data);
	}
	_lookup_seq_close(cl);

	if (ret != ENOENT)
		return ret;
	if (norm_min == ULONG_MAX)
		return ENOENT;
	strlcpy(pivot, pivot_min, pvlen);
	if (rnorm)
		*rnorm = norm_min;

	return 0;
}
Exemplo n.º 3
0
/*
 * _citrus_esdb_get_list:
 *	get esdb entries.
 */
int
_citrus_esdb_get_list(char ***rlist, size_t *rnum, bool sorted)
{
	struct _citrus_lookup *cla, *cld;
	struct _region key, data;
	char **list, **q;
	char buf[PATH_MAX];
	size_t num;
	int ret;

	num = 0;

	ret = _lookup_seq_open(&cla, _PATH_ESDB "/" ESDB_ALIAS,
	    _LOOKUP_CASE_IGNORE);
	if (ret)
		goto quit0;

	ret = _lookup_seq_open(&cld, _PATH_ESDB "/" ESDB_DIR,
	    _LOOKUP_CASE_IGNORE);
	if (ret)
		goto quit1;

	/* count number of entries */
	num = _lookup_get_num_entries(cla) + _lookup_get_num_entries(cld);

	_lookup_seq_rewind(cla);
	_lookup_seq_rewind(cld);

	/* allocate list pointer space */
	list = malloc(num * sizeof(char *));
	num = 0;
	if (list == NULL) {
		ret = errno;
		goto quit3;
	}

	/* get alias entries */
	while ((ret = _lookup_seq_next(cla, &key, &data)) == 0) {
		if (sorted)
			snprintf(buf, sizeof(buf), "%.*s/%.*s",
			    (int)_region_size(&data),
			    (const char *)_region_head(&data),
			    (int)_region_size(&key),
			    (const char *)_region_head(&key));
		else
			snprintf(buf, sizeof(buf), "%.*s/%.*s",
			    (int)_region_size(&data),
			    (const char *)_region_head(&data),
			    (int)_region_size(&key),
			    (const char *)_region_head(&key));
		_bcs_convert_to_upper(buf);
		list[num] = strdup(buf);
		if (list[num] == NULL) {
			ret = errno;
			goto quit3;
		}
		num++;
	}
	if (ret != ENOENT)
		goto quit3;
	/* get dir entries */
	while ((ret = _lookup_seq_next(cld, &key, &data)) == 0) {
		if (!sorted)
			snprintf(buf, sizeof(buf), "%.*s",
			    (int)_region_size(&key),
			    (const char *)_region_head(&key));
		else {
			/* check duplicated entry */
			char *p;
			char buf1[PATH_MAX];

			snprintf(buf1, sizeof(buf1), "%.*s",
			    (int)_region_size(&data),
			    (const char *)_region_head(&data));
			if ((p = strchr(buf1, '/')) != NULL)
				memcpy(buf1, p + 1, strlen(p) - 1);
			if ((p = strstr(buf1, ".esdb")) != NULL)
				*p = '\0';
			snprintf(buf, sizeof(buf), "%s/%.*s", buf1,
			    (int)_region_size(&key),
			    (const char *)_region_head(&key));
		}
		_bcs_convert_to_upper(buf);
		ret = _lookup_seq_lookup(cla, buf, NULL);
		if (ret) {
			if (ret != ENOENT)
				goto quit3;
			/* not duplicated */
			list[num] = strdup(buf);
			if (list[num] == NULL) {
				ret = errno;
				goto quit3;
			}
			num++;
		}
	}
	if (ret != ENOENT)
		goto quit3;

	ret = 0;
	/* XXX: why reallocing the list space posteriorly?
	    shouldn't be done earlier? */
	q = realloc(list, num * sizeof(char *));
	if (!q) {
		ret = ENOMEM;
		goto quit3;
	}
	list = q;
	*rlist = list;
	*rnum = num;
quit3:
	if (ret)
		_citrus_esdb_free_list(list, num);
	_lookup_seq_close(cld);
quit1:
	_lookup_seq_close(cla);
quit0:
	return (ret);
}