package lz4

import "errors"

var (
	// ErrInvalidSourceShortBuffer is returned by UncompressBlock or CompressBLock when a compressed
	// block is corrupted or the destination buffer is not large enough for the uncompressed data.
	ErrInvalidSourceShortBuffer = errors.New("lz4: invalid source or destination buffer too short")
	// ErrInvalid is returned when reading an invalid LZ4 archive.
	ErrInvalid = errors.New("lz4: bad magic number")
	// ErrBlockDependency is returned when attempting to decompress an archive created with block dependency.
	ErrBlockDependency = errors.New("lz4: block dependency not supported")
)

func recoverBlock(e *error) {
	if recover() != nil && *e == nil {
		*e = ErrInvalidSourceShortBuffer
	}
}