#include
#include
using namespace std;
int main(int argc, char *argv[])
{
register int i;
int numread;
unsigned char buffer1[1024], buffer2[1024];
if(argc!=3) {
cout << "Usage: compfiles \n";
return 1;
}
ifstream f1(argv[1], ios::in | ios::binary);
if(!f1) {
cout << "Cannot open first file.\n";
return 1;
}
ifstream f2(argv[2], ios::in | ios::binary);
if(!f2) {
cout << "Cannot open second file.\n";
return 1;
}
cout << "Comparing files...\n";
do {
f1.read((char *) buffer1, sizeof buffer1);
f2.read((char *) buffer2, sizeof buffer2);
if(f1.gcount() != f2.gcount()) {
cout << "Files are of differing sizes.\n";
f1.close();
f2.close();
return 0;
}
for(i = 0; i if(buffer1[i] != buffer2[i]) {
cout << "Files differ.\n";
f1.close();
f2.close();
return 0;
}
} while(!f1.eof() && !f2.eof());
cout << "Files are the same.\n";
f1.close();
f2.close();
return 0;
}