u-boot/include/lz4.h
Simon Glass 6c03f9e618 common: Add a new lz4.h header file
Add a header file to house the lz4 compression function. Add a comment
while we are here, since it not even clear from the name what the function
actuall does.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
2019-12-02 18:23:11 -05:00

24 lines
717 B
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2019 Google LLC
*/
#ifndef __LZ4_H
#define __LZ4_H
/**
* ulz4fn() - Decompress LZ4 data
*
* @src: Source data to decompress
* @srcn: Length of source data
* @dst: Destination for uncompressed data
* @dstn: Returns length of uncompressed data
* @return 0 if OK, -EPROTONOSUPPORT if the magic number or version number are
* not recognised or independent blocks are used, -EINVAL if the reserved
* fields are non-zero, or input is overrun, -EENOBUFS if the destination
* buffer is overrun, -EEPROTO if the compressed data causes an error in
* the decompression algorithm
*/
int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn);
#endif