Data compression

Variable length integers

ustream_ret uistream_read_varint(UIStream *stream, ulib_uint *value, size_t *read)

Reads a variable-length unsigned integer.

Parameters:

• stream – Input stream.

• value – [out] Decoded value.

• read – [out] Number of bytes read.

Returns:

Return code.

ustream_ret uistream_read_svarint(UIStream *stream, ulib_int *value, size_t *read)

Reads a variable-length signed integer.

Parameters:

• stream – Input stream.

• value – [out] Decoded value.

• read – [out] Number of bytes read.

Returns:

Return code.

ustream_ret uostream_write_varint(UOStream *stream, ulib_uint value, size_t *written)

Writes a variable-length unsigned integer.

Parameters:

• stream – Output stream.

• value – Value to encode.

• written – [out] Number of bytes written.

Returns:

Return code.

ustream_ret uostream_write_svarint(UOStream *stream, ulib_int value, size_t *written)

Writes a variable-length signed integer.

Parameters:

• stream – Output stream.

• value – Value to encode.

• written – [out] Number of bytes written.

Returns:

Return code.