1 /* Written by Richard Levitte (richard (at) levitte.org) for the OpenSSL 2 * project 2001. 3 * Written by Dr Stephen N Henson (steve (at) openssl.org) for the OpenSSL 4 * project 2008. 5 */ 6 /* ==================================================================== 7 * Copyright (c) 2001 The OpenSSL Project. All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in 18 * the documentation and/or other materials provided with the 19 * distribution. 20 * 21 * 3. All advertising materials mentioning features or use of this 22 * software must display the following acknowledgment: 23 * "This product includes software developed by the OpenSSL Project 24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 25 * 26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 27 * endorse or promote products derived from this software without 28 * prior written permission. For written permission, please contact 29 * licensing (at) OpenSSL.org. 30 * 31 * 5. Products derived from this software may not be called "OpenSSL" 32 * nor may "OpenSSL" appear in their names without prior written 33 * permission of the OpenSSL Project. 34 * 35 * 6. Redistributions of any form whatsoever must retain the following 36 * acknowledgment: 37 * "This product includes software developed by the OpenSSL Project 38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 39 * 40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 51 * OF THE POSSIBILITY OF SUCH DAMAGE. 52 * ==================================================================== 53 * 54 * This product includes cryptographic software written by Eric Young 55 * (eay (at) cryptsoft.com). This product includes software written by Tim 56 * Hudson (tjh (at) cryptsoft.com). */ 57 58 #ifndef OPENSSL_HEADER_TIME_SUPPORT_H 59 #define OPENSSL_HEADER_TIME_SUPPORT_H 60 61 #include <openssl/base.h> 62 63 64 #if defined(__cplusplus) 65 extern "C" { 66 #endif 67 68 69 /* Wrapper functions for time functions. */ 70 71 72 /* OPENSSL_gmtime wraps |gmtime_r|. See the manual page for that function. */ 73 struct tm *OPENSSL_gmtime(const time_t *timer, struct tm *result); 74 75 /* OPENSSL_gmtime_adj updates |tm| by adding |offset_day| days and |offset_sec| 76 * seconds. */ 77 int OPENSSL_gmtime_adj(struct tm *tm, int offset_day, long offset_sec); 78 79 /* OPENSSL_gmtime_diff calculates the difference between |from| and |to| and 80 * outputs the difference as a number of days and seconds in |*out_days| and 81 * |*out_secs|. */ 82 int OPENSSL_gmtime_diff(int *out_days, int *out_secs, const struct tm *from, 83 const struct tm *to); 84 85 86 #if defined(__cplusplus) 87 } /* extern C */ 88 #endif 89 90 #endif /* OPENSSL_HEADER_TIME_SUPPORT_H */ 91