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-rw-r--r--src/liblzma/lzma/lzma2_encoder.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/src/liblzma/lzma/lzma2_encoder.c b/src/liblzma/lzma/lzma2_encoder.c
index 4b6b231..e20b75b 100644
--- a/src/liblzma/lzma/lzma2_encoder.c
+++ b/src/liblzma/lzma/lzma2_encoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
///////////////////////////////////////////////////////////////////////////////
//
/// \file lzma2_encoder.c
@@ -6,9 +8,6 @@
// Authors: Igor Pavlov
// Lasse Collin
//
-// This file has been put into the public domain.
-// You can do whatever you want with this file.
-//
///////////////////////////////////////////////////////////////////////////////
#include "lz_encoder.h"
@@ -409,6 +408,9 @@ lzma_lzma2_block_size(const void *options)
{
const lzma_options_lzma *const opt = options;
+ if (!IS_ENC_DICT_SIZE_VALID(opt->dict_size))
+ return UINT64_MAX;
+
// Use at least 1 MiB to keep compression ratio better.
return my_max((uint64_t)(opt->dict_size) * 3, UINT64_C(1) << 20);
}