Don't use conn->net without checking if it is NULL, because
it can be NULL in OOM conditions. This would cause a crash.

Don't use conn->net without checking if it is NULL, because
it can be NULL in OOM conditions. This would cause a crash.

Handle the situation when MYSQLND_PROTOCOL's methods return NULL.
mysqlnd should not crash but gracefully return with an error.

Handle the situation when MYSQLND_PROTOCOL's methods return NULL.
mysqlnd should not crash but gracefully return with an error.

Init should return status value because initialization can fail.
In this case mysqlnd_init() should return NULL to the end-user.

Init should return status value because initialization can fail.
In this case mysqlnd_init() should return NULL to the end-user.

- Give possibility to overload mysqlnd_result_init().
- Always use conn->m->stmt_init instead of mysqlnd_stmt_init()

- Give possibility to overload mysqlnd_result_init().
- Always use conn->m->stmt_init instead of mysqlnd_stmt_init()

Handle gracefully OOM in mysqlnd_mempool_create and up the stack

Handle gracefully OOM in mysqlnd_mempool_create and up the stack

Better handing of OOM in mysqlnd::set_client_option

Better handing of OOM in mysqlnd::set_client_option

Handle OOM cases, in case of persistent connections this is real
and the Zend MM won't help.

Handle OOM cases, in case of persistent connections this is real
and the Zend MM won't help.

Fix valgrind warning, usage of nirvana memory

Fix valgrind warning, usage of nirvana memory

Fix possible crashes in case of OOM, as well as a leak.

Fix possible crashes in case of OOM, as well as a leak.

Move the macro to mysqlnd_enum_n_def.h, because it can be reused
in other places. Also, premultiply the values by 4 and add some
reserve for future releases of the server.

Move the macro to mysqlnd_enum_n_def.h, because it can be reused
in other places. Also, premultiply the values by 4 and add some
reserve for future releases of the server.

Fixed buffer overflow in mysqlnd_change_user

Fixed buffer overflow in mysqlnd_change_user

Fixed possible buffer overflow in mysqlnd_conn__list_fields.

Fixed possible buffer overflow in mysqlnd_conn__list_fields.

It is possible that change user tries an user who has old password.
Instead of error message that doesn't say much there is more information now.