72 lines
1.3 KiB
C++
72 lines
1.3 KiB
C++
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#include "common.hpp"
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#include <dtl/dtl.hpp>
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#include <cstdio>
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#include <fcntl.h>
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#include <iostream>
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#include <string>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <vector>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif // HAVE_UNISTD_H
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using namespace std;
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using dtl::Diff;
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typedef unsigned char elem;
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typedef vector<elem> sequence;
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static int create_byte_seq(const char *fs, sequence &seq);
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static int create_byte_seq(const char *fs, sequence &seq) {
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int fd;
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int siz;
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elem buf[BUFSIZ];
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if ((fd = open(fs, O_RDONLY)) == -1) {
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cout << "Opening failed." << endl;
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return -1;
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}
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while ((siz = read(fd, buf, sizeof(buf))) > 0) {
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for (int i = 0; i < siz; ++i) {
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seq.push_back(buf[i]);
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}
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}
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if (siz < 0) {
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close(fd);
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cout << "Read error." << endl;
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return -1;
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}
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close(fd);
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return 0;
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}
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int main(int argc, char *argv[]) {
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if (isFewArgs(argc)) {
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cerr << "Too few arguments." << endl;
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return -1;
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}
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string fs1(argv[1]);
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string fs2(argv[2]);
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sequence seq1;
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sequence seq2;
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create_byte_seq(fs1.c_str(), seq1);
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create_byte_seq(fs2.c_str(), seq2);
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Diff<elem, sequence> d(seq1, seq2);
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d.compose();
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if (d.getEditDistance() == 0) {
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cout << fs1 << " is the same as " << fs2 << endl;
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} else {
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cout << fs1 << " is different from " << fs2 << endl;
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}
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return 0;
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}
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