Crate cobsin 

COBSIN - COBS In-Place Encoding/Decoding

This library provides in-place COBS (Consistent Overhead Byte Stuffing) encoding and decoding for no_std environments.

Overview

COBS is an algorithm that transforms data to eliminate zero bytes, making it suitable for packet-based protocols where zeros are used as delimiters.

Features

• no_std compatible - works in embedded and bare-metal environments
• In-place encoding and decoding - minimal memory overhead
• Zero allocations - no heap required

Functions

• cobs_encode_in_place - Encode data in-place, returning the new length
• cobs_decode_in_place - Decode COBS data in-place, returning the original length
• max_overhead - Calculate maximum overhead for a given buffer size
• required_buf_len - Calculate the required buffer size for encoding

Example

use cobsin::{cobs_encode_in_place, cobs_decode_in_place};

let data = *b"Hello\x00World";
let input_len = data.len();

// Buffer must be large enough: use a fixed-size array or Vec
let mut buf = [0u8; 32];
buf[..input_len].copy_from_slice(&data);

// Encode
let encoded_len = cobs_encode_in_place(&mut buf, input_len).unwrap();

// Decode
let decoded_len = cobs_decode_in_place(&mut buf, encoded_len).unwrap();
assert_eq!(&buf[..decoded_len], b"Hello\x00World");

Enums

Error

Functions

cobs_decode_in_place

Decodes COBS-encoded data in-place, reversing the encoding process.

cobs_encode_in_place

Encodes data in-place using COBS (Consistent Overhead Byte Stuffing) algorithm.

max_overhead

required_buf_len