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-rw-r--r--src/liblzma/rangecoder/range_common.h14
1 files changed, 10 insertions, 4 deletions
diff --git a/src/liblzma/rangecoder/range_common.h b/src/liblzma/rangecoder/range_common.h
index 2c74dc1..ac4dbe1 100644
--- a/src/liblzma/rangecoder/range_common.h
+++ b/src/liblzma/rangecoder/range_common.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
///////////////////////////////////////////////////////////////////////////////
//
/// \file range_common.h
@@ -6,15 +8,15 @@
// Authors: Igor Pavlov
// Lasse Collin
//
-// This file has been put into the public domain.
-// You can do whatever you want with this file.
-//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_RANGE_COMMON_H
#define LZMA_RANGE_COMMON_H
-#include "common.h"
+// Skip common.h if building price_tablegen.c.
+#ifndef BUILDING_PRICE_TABLEGEN
+# include "common.h"
+#endif
///////////////
@@ -66,6 +68,10 @@
///
/// I will be sticking to uint16_t unless some specific architectures
/// are *much* faster (20-50 %) with uint32_t.
+///
+/// Update in 2024: The branchless C and x86-64 assembly was written so that
+/// probability is assumed to be uint16_t. (In contrast, LZMA SDK 23.01
+/// assembly supports both types.)
typedef uint16_t probability;
#endif