Mega Code Archive
Demonstrate gcount()
<![CDATA[
#include <iostream>
#include <fstream>
using namespace std;
int main()
{
ofstream out("test", ios::out | ios::binary);
if(!out) {
cout << "Cannot open output file.\n";
return 1;
}
double nums[4] = {1.1, 2.2, 3.3, 4.4 };
out.write((char *) nums, sizeof(nums));
out.close();
ifstream in("test", ios::in | ios::binary);
if(!in) {
cout << "Cannot open input file.\n";
return 1;
}
in.read((char *) &nums, sizeof(nums));
int i;
for(i = 0; i <4; i++)
cout << nums[ i ] << ' ';
cout << '\n';
cout << in.gcount() << " characters read\n";
in.close();
return 0;
}
]]>