static int get_path_len()

in EmbeddedPkg/Library/FdtLib/fdt_overlay.c [697:723]

• 20 lines of code
• 6 McCabe index (conditional complexity)

static int get_path_len(const void *fdt, int nodeoffset)
{
	int len = 0, namelen;
	const char *name;

	FDT_CHECK_HEADER(fdt);

	for (;;) {
		name = fdt_get_name(fdt, nodeoffset, &namelen);
		if (!name)
			return namelen;

		/* root? we're done */
		if (namelen == 0)
			break;

		nodeoffset = fdt_parent_offset(fdt, nodeoffset);
		if (nodeoffset < 0)
			return nodeoffset;
		len += namelen + 1;
	}

	/* in case of root pretend it's "/" */
	if (len == 0)
		len++;
	return len;
}