checkforkey.cpp

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#ifdef _MSC_VER
#include <conio.h>
#else
#include <unistd.h>
#include <sys/time.h>
#endif
 
#include "checkforkey.h"
 
#ifndef _MSC_VER
namespace // Anonymous
{
    int kbhit(void)
    {
        struct timeval tv;
        fd_set rdfs;
 
        tv.tv_sec = 0;
        tv.tv_usec = 0;
 
        FD_ZERO(&rdfs);
        FD_SET(STDIN_FILENO, &rdfs);
 
        select(STDIN_FILENO + 1, &rdfs, NULL, NULL, &tv);
        return FD_ISSET(STDIN_FILENO, &rdfs);
    }
} // end Anonymous namespace
#endif
 
namespace Helpers
{
 
    bool checkforkey()
    {
#ifdef _MSC_VER
        return _kbhit() != 0;
#else
        return kbhit() != 0;
#endif
    }
 
} // end namespace