Fossil

/*
** Open a database file.  Return a pointer to the new database
** connection.  An error results in process abort.
*/
LOCAL sqlite3 *db_open(const char *zDbName){
  int rc;
  sqlite3 *db;
  struct stat sb;

  if( g.fSqlTrace ) fossil_trace("-- sqlite3_open: [%s]\n", zDbName);

  if (0 == stat(zDbName, &sb)) {
       db_err("[%s]: %s", zDbName, "File already exists.");
  }

  rc = sqlite3_open_v2(
       zDbName, &db,
       SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE,
       g.zVfsName
  );
  if( rc!=SQLITE_OK ){
    db_err("[%s]: %s", zDbName, sqlite3_errmsg(db));