1 files changed, 4 insertions, 3 deletions

diff --git a/C/BwtSort.h b/C/BwtSort.h
index a34b243..1bd2316 100644
--- a/C/BwtSort.h
+++ b/C/BwtSort.h
@@ -1,5 +1,5 @@
 /* BwtSort.h -- BWT block sorting
-2023-03-03 : Igor Pavlov : Public domain */
+: Igor Pavlov : Public domain */
 
 #ifndef ZIP7_INC_BWT_SORT_H
 #define ZIP7_INC_BWT_SORT_H
@@ -10,16 +10,17 @@ EXTERN_C_BEGIN
 
 /* use BLOCK_SORT_EXTERNAL_FLAGS if blockSize can be > 1M */
 /* #define BLOCK_SORT_EXTERNAL_FLAGS */
+// #define BLOCK_SORT_EXTERNAL_FLAGS
 
 #ifdef BLOCK_SORT_EXTERNAL_FLAGS
-#define BLOCK_SORT_EXTERNAL_SIZE(blockSize) ((((blockSize) + 31) >> 5))
+#define BLOCK_SORT_EXTERNAL_SIZE(blockSize) (((blockSize) + 31) >> 5)
 #else
 #define BLOCK_SORT_EXTERNAL_SIZE(blockSize) 0
 #endif
 
 #define BLOCK_SORT_BUF_SIZE(blockSize) ((blockSize) * 2 + BLOCK_SORT_EXTERNAL_SIZE(blockSize) + (1 << 16))
 
-UInt32 BlockSort(UInt32 *indices, const Byte *data, UInt32 blockSize);
+UInt32 BlockSort(UInt32 *indices, const Byte *data, size_t blockSize);
 
 EXTERN_C_END