abg-sptr-utils.h

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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// -*- mode: C++ -*-
//
// Copyright (C) 2013-2023 Red Hat, Inc.
 
/// @file
///
/// Utilities to ease the wrapping of C types into std::shared_ptr
 
#ifndef __ABG_SPTR_UTILS_H__
#define __ABG_SPTR_UTILS_H__
 
#include <regex.h>
#include <memory>
 
 
namespace abigail
{
 
/// Namespace for the utilities to wrap C types into std::shared_ptr.
namespace sptr_utils
{
 
using std::shared_ptr;
 
/// This is to be specialized for the diverse C types that needs
/// wrapping in shared_ptr.
///
/// @tparam T the type of the C type to wrap in a shared_ptr.
///
/// @param p a pointer to wrap in a shared_ptr.
///
/// @return then newly created shared_ptr<T>
template<class T>
shared_ptr<T>
build_sptr(T* p);
 
/// This is to be specialized for the diverse C types that needs
/// wrapping in shared_ptr.
///
/// This variant creates a pointer to T and wraps it into a
/// shared_ptr<T>.
///
/// @tparam T the type of the C type to wrap in a shared_ptr.
///
/// @return then newly created shared_ptr<T>
template<class T>
shared_ptr<T>
build_sptr();
 
/// A deleter for shared pointers that ... doesn't delete the object
/// managed by the shared pointer.
struct noop_deleter
{
  template<typename T>
  void
  operator()(const T*)
  {}
};
 
}// end namespace sptr_utils
}// end namespace abigail
 
#endif //__ABG_SPTR_UTILS_H__