/* call-seq: SQLite3::Backup#step(nPage) * * Copy database pages up to +nPage+. * If negative, copy all remaining source pages. * * If all pages are copied, it returns SQLite3::Constants::ErrorCode::DONE. * When coping is not done, it returns SQLite3::Constants::ErrorCode::OK. * When some errors occur, it returns the error code. */ static VALUE step(VALUE self, VALUE nPage) { sqlite3BackupRubyPtr ctx; int status; Data_Get_Struct(self, sqlite3BackupRuby, ctx); REQUIRE_OPEN_BACKUP(ctx); status = sqlite3_backup_step(ctx->p, NUM2INT(nPage)); return INT2NUM(status); }