/* aix_support.c - emulate functions missing on AIX

*

* Copyright (C) 2017 My Karlsson <[email protected]>

* Copyright (c) 2018, Joyent, Inc.

* Copyright (C) 2020-2021 The Psycopg Team

*

* This file is part of psycopg.

*

* psycopg2 is free software: you can redistribute it and/or modify it

* under the terms of the GNU Lesser General Public License as published

* by the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

*

* In addition, as a special exception, the copyright holders give

* permission to link this program with the OpenSSL library (or with

* modified versions of OpenSSL that use the same license as OpenSSL),

* and distribute linked combinations including the two.

*

* You must obey the GNU Lesser General Public License in all respects for

* all of the code used other than OpenSSL.

*

* psycopg2 is distributed in the hope that it will be useful, but WITHOUT

* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public

* License for more details.

*/

#define PSYCOPG_MODULE

#include "psycopg/psycopg.h"

#include "psycopg/aix_support.h"

#if defined(_AIX)

/* timeradd is missing on AIX */

#ifndef timeradd

void

timeradd(struct timeval *a, struct timeval *b, struct timeval *c)

{

c->tv_sec = a->tv_sec b->tv_sec;

c->tv_usec = a->tv_usec b->tv_usec;

if (c->tv_usec >= 1000000) {

c->tv_usec -= 1000000;

c->tv_sec = 1;

}

}

/* timersub is missing on AIX */

void

timersub(struct timeval *a, struct timeval *b, struct timeval *c)

{

c->tv_sec = a->tv_sec - b->tv_sec;

c->tv_usec = a->tv_usec - b->tv_usec;

if (c->tv_usec < 0) {

c->tv_usec = 1000000;

c->tv_sec -= 1;

}

}

#endif /* timeradd */

#endif /* defined(_AIX)*/