int main(int argc, char **argv)
{
if (argc < 2) {
fprintf(stderr, "Usage:\n");
fprintf(stderr, "create_discodb discodb.out input.txt\n");
fprintf(stderr, "where input.txt contain a key-value pair on each line, devided by space.\n");
exit(1);
}
FILE *in;
FILE *out;
uint64_t size;
char *data;
struct ddb_cons *db = ddb_cons_new();
uint64_t flags = 0;
flags |= getenv("DONT_COMPRESS") ? DDB_OPT_DISABLE_COMPRESSION: 0;
flags |= getenv("UNIQUE_ITEMS") ? DDB_OPT_UNIQUE_ITEMS: 0;
if (!db) {
fprintf(stderr, "DB init failed\n");
exit(1);
}
if (!(in = fopen(argv[2], "r"))) {
fprintf(stderr, "Couldn't open %s\n", argv[2]);
exit(1);
}
if (getenv("KEYS_ONLY"))
read_keys(in, db);
else
read_pairs(in, db);
fprintf(stderr, "Packing the index..\n");
if (!(data = ddb_finalize(db, &size, flags))) {
fprintf(stderr, "Packing the index failed\n");
exit(1);
}
ddb_cons_free(db);
if (!(out = fopen(argv[1], "w"))) {
fprintf(stderr, "Opening file %s failed\n", argv[1]);
exit(1);
}
if (!fwrite(data, size, 1, out)) {
fprintf(stderr, "Writing file %s failed\n", argv[1]);
exit(1);
}
fclose(out);
free(data);
fprintf(stderr, "Ok! Index written to %s\n", argv[1]);
return 0;
}
int main() try {
vector<string> names;
vector<int> ages;
read_pairs(names, ages);
vector<string> names_copy = names;
sort(names.begin(),names.end());
for (int i = 0; i < names.size(); i++) {
cout << names[i] << " : " << ages[find_index(names, names_copy, i)] << endl;
}
}
// Error processing
catch (runtime_error& e) {
cerr << e.what() << "\n";
}
catch (...) {
cerr << "Unknown exception\n";
}
