/*
 * Copyright 2010, Oliver Tappe, zooey@hirschkaefer.de.
 * Distributed under the terms of the MIT License.
 */
#ifndef _ERRNO_MAINTAINER_H
#define _ERRNO_MAINTAINER_H


#include <errno.h>


namespace BPrivate {


/**
 * A helper class resetting errno to 0 if it has been set during the execution
 * of ICU methods. Any changes of errno shall only be done by our callers.
 */
class ErrnoMaintainer {
public:
        ErrnoMaintainer()
                : fErrnoUponEntry(errno)
        {
        }

        ~ErrnoMaintainer()
        {
                errno = fErrnoUponEntry;
        }

private:
        int fErrnoUponEntry;
};


}       // namespace BPrivate


#endif  // _ERRNO_MAINTAINER_H