C++ (Cpp) scols_ref_line Examples

Example #1

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

/**
 * scols_line_add_child:
 * @ln: a pointer to a struct libscols_line instance
 * @child: a pointer to a struct libscols_line instance
 *
 * Sets @child as a child of @ln.
 *
 * Returns: 0, a negative value in case of an error.
 */
int scols_line_add_child(struct libscols_line *ln, struct libscols_line *child)
{
	if (!ln || !child)
		return -EINVAL;

	DBG(LINE, ul_debugobj(ln, "add child %p", child));
	scols_ref_line(child);
	scols_ref_line(ln);

	/* unref old<->parent */
	if (child->parent)
		scols_line_remove_child(child->parent, child);

	/* new reference from parent to child */
	list_add_tail(&child->ln_children, &ln->ln_branch);

	/* new reference from child to parent */
	child->parent = ln;
	return 0;
}

Example #2

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

/**
 * scols_line_add_child:
 * @ln: a pointer to a struct libscols_line instance
 * @child: a pointer to a struct libscols_line instance
 *
 * Sets @child as a child of @ln.
 *
 * Returns: 0, a negative value in case of an error.
 */
int scols_line_add_child(struct libscols_line *ln, struct libscols_line *child)
{
	assert(ln);
	assert(child);

	if (!ln || !child)
		return -EINVAL;

	/* unref old<->parent */
	if (child->parent)
		scols_line_remove_child(child->parent, child);

	/* new reference from parent to child */
	list_add_tail(&child->ln_children, &ln->ln_branch);
	scols_ref_line(child);

	/* new reference from child to parent */
	child->parent = ln;
	scols_ref_line(ln);

	return 0;
}