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// Windows does not have unix diff so this is a simple replacement
#include <iostream>
#include <fstream>
using namespace std;
int main(int argc, char *argv[] ) {
int rc=-1;
if (argc != 3) {
cout << "usage: " << argv[0] << " file1 file2\n";
return -1;
}
char *file1 = argv[1];
char *file2 = argv[2];
ifstream is1(file1, ios::in);
ifstream is2(file2, ios::in);
if (is1.fail()) {cerr << "failed to open " << file1 << "\n"; goto done;}
if (is2.fail()) {cerr << "failed to open " << file2 << "\n"; goto done;}
char d1[256], d2[256];
do {
is1.read(d1,sizeof(d1));
is2.read(d2,sizeof(d2));
if ((is1.gcount() != is2.gcount()) || memcmp(d1,d2,is1.gcount())) {
cout << file1 << " and " << file2 << " differ\n";
goto done;
}
} while (!is1.eof() && !is2.eof());
rc=0;
done:
is1.close();
is2.close();
return rc;
}
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