Berkeley DB

DBcursor→c_del

						#include <db.h>
						int
						DBcursor→c_del(DBC *cursor, u_int32_t flags);
					

Description

The DBcursor→c_del function deletes the key/data pair currently referenced by the cursor.

The flags parameter is currently unused, and must be set to 0.

The cursor position is unchanged after a delete, and subsequent calls to cursor functions expecting the cursor to reference an existing key will fail.

If the element has already been deleted, DBcursor→c_del will return DB_KEYEMPTY.

If the cursor is not yet initialized, the DBcursor→c_del function will return EINVAL.

Otherwise, the DBcursor→c_del function returns a non-zero error value on failure and 0 on success.

Errors

The DBcursor→c_del function may fail and return a non-zero error for the following ...