1=pod 2 3=head1 NAME 4 5X509_cmp_time - X509 time functions 6 7=head1 SYNOPSIS 8 9 X509_cmp_time(const ASN1_TIME *asn1_time, time_t *cmp_time); 10 11=head1 DESCRIPTION 12 13X509_cmp_time() compares the ASN1_TIME in B<asn1_time> with the time in 14<cmp_time>. 15 16B<asn1_time> must satisfy the ASN1_TIME format mandated by RFC 5280, i.e., 17its format must be either YYMMDDHHMMSSZ or YYYYMMDDHHMMSSZ. 18 19If B<cmp_time> is NULL the current time is used. 20 21=head1 BUGS 22 23Unlike many standard comparison functions, X509_cmp_time returns 0 on error. 24 25=head1 RETURN VALUES 26 27X509_cmp_time() returns -1 if B<asn1_time> is earlier than, or equal to, 28B<cmp_time>, and 1 otherwise. It returns 0 on error. 29 30=head1 COPYRIGHT 31 32Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved. 33 34Licensed under the OpenSSL license (the "License"). You may not use 35this file except in compliance with the License. You can obtain a copy 36in the file LICENSE in the source distribution or at 37L<https://www.openssl.org/source/license.html>. 38 39=cut 40