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.\" ========================================================================
.\"
.IX Title "X509_cmp_time 3"
.TH X509_cmp_time 3 2019-12-20 1.0.2u OpenSSL
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.SH NAME
X509_cmp_time \- X509 time functions
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 1
\& X509_cmp_time(const ASN1_TIME *asn1_time, time_t *cmp_time);
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
\&\fBX509_cmp_time()\fR compares the ASN1_TIME in \fBasn1_time\fR with the time in
<cmp_time>.
.PP
\&\fBasn1_time\fR must satisfy the ASN1_TIME format mandated by RFC 5280, i.e.,
its format must be either YYMMDDHHMMSSZ or YYYYMMDDHHMMSSZ.
.PP
If \fBcmp_time\fR is NULL the current time is used.
.SH BUGS
.IX Header "BUGS"
Unlike many standard comparison functions, X509_cmp_time returns 0 on error.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
\&\fBX509_cmp_time()\fR returns \-1 if \fBasn1_time\fR is earlier than, or equal to,
\&\fBcmp_time\fR, and 1 otherwise. It returns 0 on error.
.SH COPYRIGHT
.IX Header "COPYRIGHT"
Copyright 2017\-2019 The OpenSSL Project Authors. All Rights Reserved.
.PP
Licensed under the OpenSSL license (the "License").  You may not use
this file except in compliance with the License.  You can obtain a copy
in the file LICENSE in the source distribution or at
<https://www.openssl.org/source/license.html>.