1 files changed, 45 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/CPP/Common/MyBuffer2.h b/other-licenses/7zstub/src/CPP/Common/MyBuffer2.h
new file mode 100644
index 0000000000..5cabd73c5e
--- /dev/null
+++ b/other-licenses/7zstub/src/CPP/Common/MyBuffer2.h
@@ -0,0 +1,45 @@
+// Common/MyBuffer2.h
+
+#ifndef __COMMON_MY_BUFFER2_H
+#define __COMMON_MY_BUFFER2_H
+
+#include "../../C/Alloc.h"
+
+#include "Defs.h"
+
+class CMidBuffer
+{
+  Byte *_data;
+  size_t _size;
+
+  CLASS_NO_COPY(CMidBuffer)
+
+public:
+  CMidBuffer(): _data(NULL), _size(0) {};
+  ~CMidBuffer() { ::MidFree(_data); }
+
+  void Free() { ::MidFree(_data); _data = NULL; _size = 0; }
+
+  bool IsAllocated() const { return _data != NULL; }
+  operator       Byte *()       { return _data; }
+  operator const Byte *() const { return _data; }
+  size_t Size() const { return _size; }
+
+  void AllocAtLeast(size_t size)
+  {
+    if (!_data || size > _size)
+    {
+      const size_t kMinSize = (size_t)1 << 16;
+      if (size < kMinSize)
+        size = kMinSize;
+      ::MidFree(_data);
+      _size = 0;
+      _data = 0;
+      _data = (Byte *)::MidAlloc(size);
+      if (_data)
+        _size = size;
+    }
+  }
+};
+
+#endif