hexstr2hex()

int hexstr2hex	(	const char *	in,
		size_t	in_len,
		unsigned char *	out,
		size_t	out_len
	)

Convert hex string into hex Example: in = {'D', 'E', 'A', 'D'} -> out = {0xDE, 0xAD}.

Parameters

[in]	in	Hex string buffer to convert
[in]	in_len	Input buffer length
[out]	out	Hex buffer for the output
[in]	out_len	Hex buffer length, shall be at least (in_len / 2)

Returns

hex output length on success -1 on error