1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright 2019 Google LLC
4  */
5 
6 #ifndef __LZ4_H
7 #define __LZ4_H
8 
9 /**
10  * ulz4fn() - Decompress LZ4 data
11  *
12  * @src: Source data to decompress
13  * @srcn: Length of source data
14  * @dst: Destination for uncompressed data
15  * @dstn: Returns length of uncompressed data
16  * @return 0 if OK, -EPROTONOSUPPORT if the magic number or version number are
17  *	not recognised or independent blocks are used, -EINVAL if the reserved
18  *	fields are non-zero, or input is overrun, -EENOBUFS if the destination
19  *	buffer is overrun, -EEPROTO if the compressed data causes an error in
20  *	the decompression algorithm
21  */
22 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn);
23 
24 #endif
25