/* add vercmp collation to db */
int zpm_addvercmp(struct zpm *pkg);
+/* return 1 if database is readonly, 0 if readwrite, or not connected */
+int zpm_readonly(struct zpm *z);
+
int zpm_exec(struct zpm *z, const char *sql, int(*callback)(void *, int, char **, char**), void *arg, char **errmsg);
int zpm_foreach_path(struct zpm *zpm, char *pkgid, char *where,
int zpm_package_hash(struct zpm *zpm, char *pkgid, char *hash);
int zpm_package_sethash(struct zpm *zpm, char *pkgid, char *hash);
+int zpm_package_checkhash(struct zpm *zpm, char *pkgid, char *hash);
+char *zpm_package_gethash(struct zpm *zpm, char *pkgid, char *hash);
+int zpm_package_clearhash(struct zpm *zpm, char *pkgid);
sqlite3_stmt *zpm_dbqueryv(struct zpm *zpm, char *query, va_list args);
sqlite3_stmt *zpm_dbquery(struct zpm *zpm, char *query, ...);
char *zpm_db_string(struct zpm *zpm, char *query, ...);
int zpm_db_int(struct zpm *zpm, char *query, ...);
-void zpm_db_run(struct zpm *zpm, char *query, ...);
+int zpm_db_run(struct zpm *zpm, char *query, ...);
void zpm_seterror(struct zpm *zpm, char *msgfmt, ...);
struct zpm *zpm_clearmem(struct zpm *zpm);