| #ifndef HEADER_PSL_H | 
 | #define HEADER_PSL_H | 
 | /*************************************************************************** | 
 |  *                                  _   _ ____  _ | 
 |  *  Project                     ___| | | |  _ \| | | 
 |  *                             / __| | | | |_) | | | 
 |  *                            | (__| |_| |  _ <| |___ | 
 |  *                             \___|\___/|_| \_\_____| | 
 |  * | 
 |  * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al. | 
 |  * | 
 |  * This software is licensed as described in the file COPYING, which | 
 |  * you should have received as part of this distribution. The terms | 
 |  * are also available at https://curl.se/docs/copyright.html. | 
 |  * | 
 |  * You may opt to use, copy, modify, merge, publish, distribute and/or sell | 
 |  * copies of the Software, and permit persons to whom the Software is | 
 |  * furnished to do so, under the terms of the COPYING file. | 
 |  * | 
 |  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | 
 |  * KIND, either express or implied. | 
 |  * | 
 |  * SPDX-License-Identifier: curl | 
 |  * | 
 |  ***************************************************************************/ | 
 |  | 
 | #ifdef USE_LIBPSL | 
 | #include <libpsl.h> | 
 |  | 
 | #define PSL_TTL (72 * 3600)     /* PSL time to live before a refresh. */ | 
 |  | 
 | struct PslCache { | 
 |   const psl_ctx_t *psl; /* The PSL. */ | 
 |   time_t expires; /* Time this PSL life expires. */ | 
 |   bool dynamic; /* PSL should be released when no longer needed. */ | 
 | }; | 
 |  | 
 | const psl_ctx_t *Curl_psl_use(struct Curl_easy *easy); | 
 | void Curl_psl_release(struct Curl_easy *easy); | 
 | void Curl_psl_destroy(struct PslCache *pslcache); | 
 |  | 
 | #else | 
 |  | 
 | #define Curl_psl_use(easy) NULL | 
 | #define Curl_psl_release(easy) | 
 | #define Curl_psl_destroy(pslcache) | 
 |  | 
 | #endif /* USE_LIBPSL */ | 
 | #endif /* HEADER_PSL_H */ |