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#include "findshare.h"
 
//test:
#if(0)
 
#include <stdio.h>
 
typedef fs::handle<char*,FILE*> hrwfile;
typedef hrwfile::key_type rwfh_key_t;
typedef hrwfile::hid_type rwfh_hid_t;
 
template <> //specialization
unsigned long fs::handle<char*,FILE*>::key_hash(rwfh_key_t const & k)
{
	unsigned long hashval = 55;
	char * c = k + ::strlen(k) - 1;
	while(true)
	{
		hashval += unsigned char(*c);
		if( c-- == k ) break;
		hashval *= 5;
	}
	return hashval;	
}
 
template <> //specialization
bool fs::handle<char*,FILE*>::equal_keys(rwfh_key_t const & k1,rwfh_key_t const & k2)
{
	return ! ::strcmp(k1,k2);
}
 
template <> //specialization
rwfh_hid_t fs::handle<char*,FILE*>::make_handle(rwfh_key_t const & k)
{
	FILE* f = fopen(k,"a+");
	return f;
}
 
template <> //specialization
void fs::handle<char*,FILE*>::free_handle(rwfh_hid_t const & id)
{
	fclose(id);
}
 
 
//template  //explicit class template instantiation
//fs::handle<char*,FILE*>;
 
 
int main()
{
 
	typedef hrwfile rw_file;
 
	rw_file a("file1.txt"); //opens or creates file1
	rw_file b("file2.txt"); //opens or creates file2
	rw_file c("file1.txt"); //re-uses file1's handle; ++refcount
	{
		rw_file d("file2.txt"); //re-uses file2's handle; ++refcount
		::fprintf(d, "something2\n");
		rw_file e(c); //re-uses file1's handle; ++refcount
	} //--refcounts
	::fprintf(a, "something\n");
 
	return 0;
	
} // --refcount's, files closed, handles erased, then hash-table removed
#endif