diff options
Diffstat (limited to 'payloads/libpayload/include/lz4.h')
-rw-r--r-- | payloads/libpayload/include/lz4.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/payloads/libpayload/include/lz4.h b/payloads/libpayload/include/lz4.h index 1f2830db4649..d2120a48fcbb 100644 --- a/payloads/libpayload/include/lz4.h +++ b/payloads/libpayload/include/lz4.h @@ -36,7 +36,10 @@ /* Decompresses an LZ4F image (multiple LZ4 blocks with frame header) from src * to dst, ensuring that it doesn't read more than srcn bytes and doesn't write - * more than dstn. Buffer sizes must stay below 2GB. + * more than dstn. Buffer sizes must stay below 2GB. Can decompress files loaded + * to the end of a buffer in-place, as long as buffer is larger than the final + * output size. (Usually just a few bytes, but may be up to (8 + dstn/255) in + * worst case. Will reliably return an error if buffer was too small.) * Returns amount of decompressed bytes, or 0 on error. */ size_t ulz4fn(const void *src, size_t srcn, void *dst, size_t dstn); @@ -44,4 +47,4 @@ size_t ulz4fn(const void *src, size_t srcn, void *dst, size_t dstn); /* Same as ulz4fn() but does not perform any bounds checks. */ size_t ulz4f(const void *src, void *dst); -#endif /* __LZO_H_ */ +#endif /* __LZ4_H_ */ |