1 files changed, 107 insertions, 0 deletions
diff --git a/engines/lure/memory.cpp b/engines/lure/memory.cpp
new file mode 100644
index 0000000000..2a24101dd3
--- /dev/null
+++ b/engines/lure/memory.cpp
@@ -0,0 +1,107 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2005-2006 The ScummVM project
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "lure/memory.h"
+#include "common/file.h"
+
+namespace Lure {
+
+MemoryBlock *Memory::allocate(uint32 size) {
+	MemoryBlock *block = new MemoryBlock(size);
+	return block;
+}
+
+MemoryBlock *Memory::duplicate(MemoryBlock *src) {
+	MemoryBlock *block = new MemoryBlock(src);
+	return block;
+}
+
+uint8 *Memory::alloc(uint32 size) {
+	return (uint8 *) malloc(size);
+}
+
+void Memory::dealloc(uint8 *block) {
+	free(block);
+}
+
+/*--------------------------------------------------------------------------*/
+
+MemoryBlock::MemoryBlock(uint32 size1) {
+	_data = (uint8 *) malloc(size1);
+	if (!_data) error ("Failed allocating memory block");
+	_size = size1;
+}
+
+MemoryBlock::MemoryBlock(MemoryBlock *src) {
+	_size = src->size();
+	_data = (uint8 *) malloc(_size);
+	if (!_data) error ("Failed allocating memory block");
+	memcpy(_data, src->data(), _size);
+}
+
+MemoryBlock::~MemoryBlock() {
+	free(_data);
+}
+
+void MemoryBlock::empty() {
+	::memset(_data, 0, _size);
+}
+
+void MemoryBlock::memorySet(int c, size_t startIndex, size_t num) {
+	byte *p = _data + startIndex;
+	::memset(p, c, num);
+}
+
+void MemoryBlock::copyFrom(MemoryBlock *src) {
+	copyFrom(src, 0, 0, src->size());
+}
+
+void MemoryBlock::copyFrom(MemoryBlock *src, uint32 srcPos, uint32 destPos, uint32 srcLen) {
+	if ((srcPos + srcLen > src->size()) || (destPos + srcLen > size()))
+		error("Memory block overrun in block copy");
+
+	uint8 *pDest = _data + destPos;
+	uint8 *pSrc = src->data() + srcPos;
+	memcpy(pDest, pSrc, srcLen);
+}
+
+void MemoryBlock::copyFrom(const byte *src, uint32 srcPos, uint32 destPos, uint32 srcLen) {
+	byte *pDest = _data + destPos;
+	const byte *pSrc = src + srcPos;
+	memcpy(pDest, pSrc, srcLen);
+}
+
+void MemoryBlock::reallocate(uint32 size1) {
+	_size = size1;
+	_data = (byte *) realloc(_data, size1);
+	if (!_data) error ("Failed reallocating memory block");
+}
+
+void MemoryBlock::saveToFile(const Common::String &filename) {
+	Common::File *f = new Common::File();
+	f->open(filename.c_str(), Common::File::kFileWriteMode);
+	f->write(_data, _size);
+	f->close();
+	delete f;
+}
+
+} // end of namespace Lure