fnet_strnlen()

fnet_size_t fnet_strnlen	(	const fnet_char_t *	str,
		fnet_size_t	max_len
	)

Calculate the length of a fixed-size string.

Parameters

str	Pointer to the null-terminated string to be examined.
max_len	Maximum number of characters to examine.

Returns

This function returns the number of characters in the str string or max_len if the null character was not found.

This function computes the number of bytes in the string to which str points, not including the terminating null character, but at most max_len. The function never examines more than max_len bytes of the string.