C++ (Cpp) SCOLS_ITER_INIT Examples

Example #1

File: table.c Project: azat-archive/util-linux

/**
 * scols_table_next_column:
 * @tb: a pointer to a struct libscols_table instance
 * @itr: a pointer to a struct libscols_iter instance
 * @cl: a pointer to a pointer to a struct libscols_column instance
 *
 * Returns the next column of @tb via @cl.
 *
 * Returns: 0, a negative value in case of an error.
 */
int scols_table_next_column(struct libscols_table *tb,
			    struct libscols_iter *itr,
			    struct libscols_column **cl)
{
	int rc = 1;

	if (!tb || !itr || !cl)
		return -EINVAL;
	*cl = NULL;

	if (!itr->head)
		SCOLS_ITER_INIT(itr, &tb->tb_columns);
	if (itr->p != itr->head) {
		SCOLS_ITER_ITERATE(itr, *cl, struct libscols_column, cl_columns);
		rc = 0;
	}

Example #2

File: line.c Project: HorvathAkosPeter/util-linux

/**
 * scols_line_next_child:
 * @ln: a pointer to a struct libscols_line instance
 * @itr: a pointer to a struct libscols_iter instance
 * @chld: a pointer to a pointer to a struct libscols_line instance
 *
 * Finds the next child and returns a pointer to it via @chld.
 *
 * Returns: 0, a negative value in case of an error.
 */
int scols_line_next_child(struct libscols_line *ln,
			  struct libscols_iter *itr,
			  struct libscols_line **chld)
{
	int rc = 1;

	if (!ln || !itr || !chld)
		return -EINVAL;
	*chld = NULL;

	if (!itr->head)
		SCOLS_ITER_INIT(itr, &ln->ln_branch);
	if (itr->p != itr->head) {
		SCOLS_ITER_ITERATE(itr, *chld, struct libscols_line, ln_children);
		rc = 0;
	}