DIR *dir = opendir(path.c_str());

if (!dir) {

throw runtime_error("Failed to open directory!");

return;

}

string baseDirRelative = baseDirectory;

if (!baseDirectory.empty() && baseDirectory[0] == '/') {

baseDirRelative = baseDirectory.substr(1);

}

struct dirent *entry;

while ((entry = readdir(dir))) {

string filePath = path + "/" + entry->d_name;

struct stat st;

stat(filePath.c_str(), &st);

if (S_ISDIR(st.st_mode)) {

if (string(entry->d_name) == "." || string(entry->d_name) == ".." || !isValidInput(entry->d_name)) {

continue;

}

string nextPath = path + "/" + entry->d_name;

string nextBaseDirectory = baseDirRelative + "/" + entry->d_name;

addFilesToArchive(archive, nextPath, nextBaseDirectory);

} else {

string entryString(entry->d_name);

size_t dotPosition = entryString.find_last_of('.');

string result = entryString.substr(dotPosition + 1);

if (result != "arv" && result != "dpt")

{

continue;

}

string entryName = baseDirRelative + "/" + entry->d_name;

zip_source_t *source = zip_source_file(archive, filePath.c_str(), 0, 0);

if (zip_file_add(archive, entryName.c_str(), source, ZIP_FL_OVERWRITE) < 0) {

throw runtime_error("Failed to add file to zip!");

return;

}

}

}

closedir(dir);

int i = 0;

while (ICAO[i] != '\0') {

if (ICAO[i] > 'Z' || ICAO[i] < 'A') {

return false;

}

i++;

}

return true;

}