int fdt_stringlist_search()

in EmbeddedPkg/Library/FdtLib/fdt_ro.c [592:620]

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

int fdt_stringlist_search(const void *fdt, int nodeoffset, const char *property,
			  const char *string)
{
	int length, len, idx = 0;
	const char *list, *end;

	list = fdt_getprop(fdt, nodeoffset, property, &length);
	if (!list)
		return length;

	len = strlen(string) + 1;
	end = list + length;

	while (list < end) {
		length = strnlen(list, end - list) + 1;

		/* Abort if the last string isn't properly NUL-terminated. */
		if (list + length > end)
			return -FDT_ERR_BADVALUE;

		if (length == len && memcmp(list, string, length) == 0)
			return idx;

		list += length;
		idx++;
	}

	return -FDT_ERR_NOTFOUND;
}