xref: /openssl/include/openssl/e_ostime.h (revision b0e9d037)
1 /*
2  * Copyright 2023 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the Apache License 2.0 (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9 
10 #ifndef OPENSSL_E_OSTIME_H
11 # define OPENSSL_E_OSTIME_H
12 # pragma once
13 
14 # include <openssl/macros.h>
15 # include <openssl/opensslconf.h>
16 # include <openssl/e_os2.h>
17 
18 /*
19  * This header guarantees that 'struct timeval' will be available. It includes
20  * the minimum headers needed to facilitate this. This may still be a
21  * substantial set of headers on some platforms (e.g. <winsock2.h> on Win32).
22  */
23 
24 # if defined(OPENSSL_SYS_WINDOWS)
25 #  if !defined(_WINSOCKAPI_)
26     /*
27      * winsock2.h defines _WINSOCK2API_ and both winsock2.h and winsock.h define
28      * _WINSOCKAPI_. Both of these provide struct timeval. Don't include
29      * winsock2.h if either header has been included to avoid breakage with
30      * applications that prefer to use <winsock.h> over <winsock2.h>.
31      */
32 #   include <winsock2.h>
33 #  endif
34 # else
35 #  include <sys/time.h>
36 # endif
37 
38 #endif
39