From: NG Chi Fai <cfng1 AT netvigator DOT com>
Newsgroups: comp.os.msdos.djgpp,comp.lang.c++
Subject: Help:program runs compiled with DJGPP but not CYGWIN
Date: Sat, 22 May 1999 10:54:24 -0700
Organization: oronet, Penn Valley, C
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

Hello,

The following piece of code runs if compiled with DJGPP but not CYGWIN.
If compiled with CYGWIN, it has error when executing the destructor.

[main] C:\WINDOWS\DESKTOP\A.EXE 1007 (0) handle_exceptions: Exception:
STATUS_ACCESS_VIOLATION

Please help.

Thanks in advance.

best regards,
NG Chi Fai

#include <iostream.h>

template < class T >
class a
{
	private:
	public:
//		template < class U > friend class a<U>;
		T* t;
		a(void)
		{
			t=new T[256];
		};
		template < class U > a(const a<U> &v)
		{
			t=new T[256];
			*this=v;
		};
		~a(void)
		{
			delete[] t;
		};
		template < class U > a<T> & operator = (const a<U> &v) 
		{
			int i;
			for(i=0;i<256;i++)
			{
				t[i]=T(v.t[i]);
			}
			return *this;
		};
		void fill ( const T & h)
		{
			int i;
			for(i=0;i<256;i++)
			{
				t[i]=h;
			}
		};
		a<T> duplicate(void)
		{
			a<T> temp;
			temp=*this;
			return temp;
		};
		friend ostream & operator << <T> (ostream& out, const a<T>& t);
};

template < class T >
ostream& operator << (ostream& out, const a<T> & t)
{
	out << t.t[0];
	for (int i=1;i<256;i++)
		out << ',' << t.t[i];
	out << '\n';
	return out;
}

int main(void)
{
	a<int> b;
	a<float> c;
	a<float> d;
	b.fill (99);
	c.fill (88.888);
	d=b;
	b=c;
	c.duplicate();
	cout << b << c << d;
	return 0;
}