system_cmds-735.tar.gz

[apple/system_cmds.git] / CPPUtil / UtilMemoryBuffer.hpp

diff --git a/CPPUtil/UtilMemoryBuffer.hpp b/CPPUtil/UtilMemoryBuffer.hpp
deleted file mode 100644 (file)
index 1bac915..0000000
--- a/CPPUtil/UtilMemoryBuffer.hpp
+++ /dev/null
@@ -1,63 +0,0 @@
-//
-//  UtilMemoryBuffer.h
-//  CPPUtil
-//
-//  Created by James McIlree on 4/20/13.
-//  Copyright (c) 2013 Apple. All rights reserved.
-//
-
-#ifndef __CPPUtil__UtilMemoryBuffer__
-#define __CPPUtil__UtilMemoryBuffer__
-
-template <typename T>
-class MemoryBuffer {
-    protected:
-       T*                      _data;
-       size_t                  _capacity;
-
-       // No copying?
-       MemoryBuffer(const MemoryBuffer& that) = delete;
-       MemoryBuffer& operator=(const MemoryBuffer& other) = delete;
-
-    public:
-       // Capacity is in units of T!
-       //
-       // MemoryBuffer<char>(1); // 1 byte
-       // MemoryBuffer<uint32_t>(1); // 4 bytes
-       MemoryBuffer()          { _data = NULL; _capacity = 0; }
-       MemoryBuffer(size_t capacity);
-       MemoryBuffer(MemoryBuffer&& rhs) noexcept :
-               _data(rhs._data),
-               _capacity(rhs._capacity)
-       {
-               rhs._data = NULL;
-               rhs._capacity = 0;
-       }
-
-       ~MemoryBuffer()                                 { if (_data) { free(_data); } }
-
-       MemoryBuffer& operator=(MemoryBuffer&& rhs)     { std::swap(_data, rhs._data); std::swap(_capacity, rhs._capacity); return *this; }
-
-       T* data()                                       { return _data; }
-       size_t capacity() const                         { return _capacity; }
-       size_t capacity_in_bytes() const                { return _capacity * sizeof(T); }
-       // This always results in an allocation and copy.
-       // If the new capacity is smaller, data is truncated.
-       void set_capacity(size_t capacity);
-};
-
-template <typename T>
-MemoryBuffer<T>::MemoryBuffer(size_t capacity) :
-       _capacity(capacity)
-{
-       _data = capacity ? (T*)malloc(capacity * sizeof(T)) : (T*)NULL;
-}
-
-template <typename T>
-void MemoryBuffer<T>::set_capacity(size_t capacity) {
-       MemoryBuffer<T> newbuf(capacity);
-       memcpy(newbuf.data(), _data, std::min(_capacity * sizeof(T), newbuf.capacity() * sizeof(T)));
-       *this = std::move(newbuf);
-}
-
-#endif /* defined(__CPPUtil__UtilMemoryBuffer__) */