Function decode

lib_acl_cpp/samples/mqtt/mqtt_length/main.cpp:16–22

#include <stdlib.h>

static unsigned decode(const unsigned char* buf, unsigned len) {
	unsigned n = 0;
	for (unsigned i = 0; i < len; i++) {
		n |= (unsigned) ((buf[i] & 0x7f) << (7 * i));
	}
	return n;
}

static int encode(unsigned n, unsigned char *buf) {
	int len = 0;