Fix -Werror=stringop-truncation in pdo_raise_impl_error

Author: morrisonlevi

ext/pdo/pdo_dbh.c

@@ -62,7 +62,7 @@ void pdo_throw_exception(unsigned int driver_errcode, char *driver_errmsg, pdo_e
 		zend_throw_exception_object(&pdo_exception);
 }
 
-void pdo_raise_impl_error(pdo_dbh_t *dbh, pdo_stmt_t *stmt, const char *sqlstate, const char *supp) /* {{{ */
+void pdo_raise_impl_error(pdo_dbh_t *dbh, pdo_stmt_t *stmt, pdo_error_type sqlstate, const char *supp) /* {{{ */
 {
 	pdo_error_type *pdo_err = &dbh->error_code;
 	char *message = NULL;
@@ -81,7 +81,7 @@ void pdo_raise_impl_error(pdo_dbh_t *dbh, pdo_stmt_t *stmt, const char *sqlstate
 		pdo_err = &stmt->error_code;
 	}
 
-	strncpy(*pdo_err, sqlstate, 6);
+	memcpy(*pdo_err, sqlstate, sizeof(pdo_error_type));
 
 	/* hash sqlstate to error messages */
 	msg = pdo_sqlstate_state_to_description(*pdo_err);

ext/pdo/php_pdo_driver.h

@@ -672,7 +672,7 @@ PDO_API zend_class_entry *php_pdo_get_exception(void);
 PDO_API int pdo_parse_params(pdo_stmt_t *stmt, zend_string *inquery, zend_string **outquery);
 
 PDO_API void pdo_raise_impl_error(pdo_dbh_t *dbh, pdo_stmt_t *stmt,
-	const char *sqlstate, const char *supp);
+	pdo_error_type sqlstate, const char *supp);
 
 PDO_API void php_pdo_dbh_addref(pdo_dbh_t *dbh);
 PDO_API void php_pdo_dbh_delref(pdo_dbh_t *dbh);