Beispiel #1
0
/* Function to initialize the book DB */
book_db *NewBookDB(int depth){
	book_db *newBookDB;

	newBookDB=malloc(sizeof(book_db));
	newBookDB->books=CreateDB(depth);
	return newBookDB;
}
Beispiel #2
0
/**
 * @brief Initializes database.
 * @param filename Filename of database to load.
 * @return int DB_OK if database is opened, DB_MISSING if file is missing or database could not be opened.
 */
int InitDB(char* filename)
{
    //if(!FileExists(filename))
    {
        CreateDB(filename);
    }
    int rc = sqlite3_open(filename, &database);
    if( rc )
    {
        fprintf(stderr, "Can't open database: %s\n", sqlite3_errmsg(database));
        sqlite3_close(database);
        return(DB_EMISSING);
    }
    return DB_OK;
}
BOOL CheckDBExists(CString csDBPath)
{
	//If this is the first time running this version then convert the old database to the new db
	if(csDBPath.IsEmpty() && g_Opt.m_bU3 == false)
	{
		csDBPath = GetDefaultDBName();

		if(FileExists(csDBPath) == FALSE && CGetSetOptions::GetIsPortableDitto() == FALSE)
		{
			CString csOldDB = CGetSetOptions::GetDBPathOld();
			if(csOldDB.IsEmpty())
			{
				csOldDB = GetOLDDefaultDBName();
			}

			if(FileExists(csOldDB))
			{
				//create the new sqlite db
				CreateDB(csDBPath);

				CAccessToSqlite Convert;
				Convert.ConvertDatabase(csDBPath, csOldDB);
			}
		}
	}

	BOOL bRet = FALSE;
	if(FileExists(csDBPath) == FALSE)
	{
		csDBPath = GetDefaultDBName();

		nsPath::CPath FullPath(csDBPath);
		CString csPath = FullPath.GetPath().GetStr();
		if(csPath.IsEmpty() == false && FileExists(csDBPath) == FALSE)
		{
			CreateDirectory(csPath, NULL);
		}

		// -- create a new one
		bRet = CreateDB(csDBPath);
	}
	else
	{
		if(ValidDB(csDBPath) == FALSE)
		{		
			//Db existed but was bad
			CString csMarkAsBad;
			
			csMarkAsBad = csDBPath;
			csMarkAsBad.Replace(_T("."), _T("_BAD."));
			
			CString csPath = GetDefaultDBName();
			
			CString cs;
			cs.Format(_T("%s \"%s\",\n")
				_T("%s \"%s\",\n")
				_T("%s,\n")
				_T("\"%s\""),
				theApp.m_Language.GetString("Database_Format", "Unrecognized Database Format"),
				csDBPath, 
				theApp.m_Language.GetString("File_Renamed", "the file will be renamed"),
				csMarkAsBad, 
				theApp.m_Language.GetString("New_Database", "and a new database will be created"),
				csPath);
			
			AfxMessageBox(cs);
			
			CFile::Rename(csDBPath, csMarkAsBad);

			csDBPath = csPath;
			
			bRet = CreateDB(csDBPath);
		}
		else
		{
			bRet = TRUE;
		}
	}

	if(bRet)
	{
		bRet = OpenDatabase(csDBPath);
	}
	
	return bRet;
}