QString sumit(const QString& path, int num_bytes, const QString& temporary_path)
{
if (num_bytes != 0) {
return compute_the_file_hash(path, num_bytes);
}
//the file id is a hashed function of device,inode,size, and modification time (in seconds)
//note that it is not dependent on the file name
struct stat SS;
stat(path.toLatin1().data(), &SS);
//didn't compile on mac so using the following which only depends on size and modification date
QFileInfo info(path);
QString id_string = QString("%1:%2:%3:%4").arg(path).arg(info.size()).arg(info.lastModified().toMSecsSinceEpoch()).arg(info.size());
//QString id_string = QString("%1:%2:%3:%4").arg(SS.st_dev).arg(SS.st_ino).arg(SS.st_size).arg(SS.st_mtim.tv_sec);
QString file_id = compute_the_string_hash(id_string);
QString dirname = QString(temporary_path + "/sumit/sha1/%1").arg(file_id.mid(0, 4));
create_directory_if_doesnt_exist(dirname);
QString hash_path = QString("%1/%2").arg(dirname).arg(file_id);
QString hash_sum = read_text_file(hash_path);
if (hash_sum.isEmpty()) {
create_hash_file(path, hash_path);
hash_sum = read_text_file(hash_path);
}
if (hash_sum.count() != 40) {
create_hash_file(path, hash_path);
hash_sum = read_text_file(hash_path);
}
return hash_sum;
}
int main(int argc, char *argv[])
{
FILE *fpInput;
fpInput=createInFile(argv[1]);
FILE *fp;
fp = create_hash_file(FILENAME);
insertFromInFile(fp, INSERT, &fpInput);
searchOrInsert(fp, INSERT, &fpInput);
searchOrInsert(fp, SEARCH, &fpInput);
searchOrInsert(fp, DELETE, &fpInput);
searchOrInsert(fp, SEARCH, &fpInput);
fclose(fpInput);
fclose(fp);
#ifdef _MSC_VER
printf( _CrtDumpMemoryLeaks() ? "Memory Leak\n" : "No Memory Leak\n");
#endif
return 0;
}
