From c487d9c66b92ba5f63b88344b9eb7f2c3d6b69cf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20T=C5=AFma?= <tumic@cbox.cz>
Date: Sat, 23 Oct 2021 17:28:06 +0200
Subject: [PATCH] Make the table pointers const

---
 src/map/IMG/huffmantable.cpp | 6 +++---
 src/map/IMG/huffmantable.h   | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/map/IMG/huffmantable.cpp b/src/map/IMG/huffmantable.cpp
index 2af67c9b..ee82c902 100644
--- a/src/map/IMG/huffmantable.cpp
+++ b/src/map/IMG/huffmantable.cpp
@@ -29,7 +29,7 @@ bool HuffmanTable::load(const RGNFile *rgn, SubFile::Handle &rgnHdl)
 	_aclEntryBytes = _symbolBytes + 1;
 	_indexBytes = vs(_buffer.at(4));
 	_bsrchEntryBytes = _symBytes + _indexBytes + 1;
-	_bsrchTable = (quint8*)(_buffer.data()) + 4 + _indexBytes;
+	_bsrchTable = (const quint8*)(_buffer.constData()) + 4 + _indexBytes;
 	_aclTable = _bsrchTable + _bsrchEntryBytes * _bsrchEntries;
 	_huffmanTable = _aclTable + (_aclEntryBytes << _aclBits);
 
@@ -39,7 +39,7 @@ bool HuffmanTable::load(const RGNFile *rgn, SubFile::Handle &rgnHdl)
 quint32 HuffmanTable::symbol(quint32 data, quint8 &size) const
 {
 	quint32 lo, hi;
-	quint8 *tp;
+	const quint8 *tp;
 
 
 	if (!_aclBits) {
@@ -62,7 +62,7 @@ quint32 HuffmanTable::symbol(quint32 data, quint8 &size) const
 	data >>= 32 - _symBits;
 
 	while (lo < hi) {
-		quint8 *prev = tp;
+		const quint8 *prev = tp;
 		quint32 m = (lo + 1 + hi) >> 1;
 		tp = _bsrchTable + (m * _bsrchEntryBytes);
 		quint32 nd = readVUint32(tp, _symBytes);
diff --git a/src/map/IMG/huffmantable.h b/src/map/IMG/huffmantable.h
index ef84e6c2..973e684a 100644
--- a/src/map/IMG/huffmantable.h
+++ b/src/map/IMG/huffmantable.h
@@ -19,7 +19,7 @@ public:
 
 private:
 	HuffmanBuffer _buffer;
-	quint8 *_aclTable, *_bsrchTable, *_huffmanTable;
+	const quint8 *_aclTable, *_bsrchTable, *_huffmanTable;
 	quint8 _aclBits, _aclEntryBytes, _symBits, _symBytes, _indexBytes,
 	  _bsrchEntryBytes, _bsrchEntries, _symbolBits, _symbolBytes;
 	bool _huffman;