document the public function X509_cmp_time(3);

from Emilia Kasper <emilia@openssl.org>, OpenSSL commit 80770da3,
tweaked by me

2 files changed, 88 insertions, 1 deletions

diff --git a/src/lib/libcrypto/man/Makefile b/src/lib/libcrypto/man/Makefile
index 70a73799c6..ba04657232 100644
--- a/src/lib/libcrypto/man/Makefile
+++ b/src/lib/libcrypto/man/Makefile
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.116 2017/03/25 17:15:59 schwarze Exp $
+# $OpenBSD: Makefile,v 1.117 2017/03/25 19:12:59 schwarze Exp $
 
 .include <bsd.own.mk>
 
@@ -222,6 +222,7 @@ MAN=	\
         X509_check_ca.3 \
         X509_check_host.3 \
         X509_check_issued.3 \
+        X509_cmp_time.3 \
         X509_get_pubkey.3 \
         X509_get_serialNumber.3 \
         X509_get_subject_name.3 \
diff --git a/src/lib/libcrypto/man/X509_cmp_time.3 b/src/lib/libcrypto/man/X509_cmp_time.3
new file mode 100644
index 0000000000..55ac836515
--- /dev/null
+++ b/src/lib/libcrypto/man/X509_cmp_time.3
@@ -0,0 +1,86 @@
+.\"     $OpenBSD: X509_cmp_time.3,v 1.1 2017/03/25 19:12:59 schwarze Exp $
+.\"     OpenSSL X509_cmp_time.pod 80770da3 Feb 17 19:00:15 2017 +0100
+.\"
+.\" This file was written by Emilia Kasper <emilia@openssl.org>
+.\" Copyright (c) 2017 The OpenSSL Project.  All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\"
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\"
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in
+.\"    the documentation and/or other materials provided with the
+.\"    distribution.
+.\"
+.\" 3. All advertising materials mentioning features or use of this
+.\"    software must display the following acknowledgment:
+.\"    "This product includes software developed by the OpenSSL Project
+.\"    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+.\"
+.\" 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+.\"    endorse or promote products derived from this software without
+.\"    prior written permission. For written permission, please contact
+.\"    openssl-core@openssl.org.
+.\"
+.\" 5. Products derived from this software may not be called "OpenSSL"
+.\"    nor may "OpenSSL" appear in their names without prior written
+.\"    permission of the OpenSSL Project.
+.\"
+.\" 6. Redistributions of any form whatsoever must retain the following
+.\"    acknowledgment:
+.\"    "This product includes software developed by the OpenSSL Project
+.\"    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+.\" EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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+.\"
+.Dd $Mdocdate: March 25 2017 $
+.Dt X509_CMP_TIME 3
+.Os
+.Sh NAME
+.Nm X509_cmp_time
+.Nd compare an ASN.1 Time to a time in seconds since the Epoch
+.Sh SYNOPSIS
+.In openssl/x509.h
+.Ft int
+.Fo X509_cmp_time
+.Fa "const ASN1_TIME *asn1_time"
+.Fa "time_t *cmp_time"
+.Fc
+.Sh DESCRIPTION
+.Fn X509_cmp_time
+parses
+.Fa asn1_time
+with
+.Xr ASN1_time_parse 3
+and compares it to
+.Fa cmp_time .
+If
+.Fa cmp_time
+is
+.Dv NULL ,
+the current time is used.
+.Sh RETURN VALUES
+.Xr X509_cmp_time 3
+returns -1 if
+.Fa asn1_time
+is earlier than or equal to
+.Fa cmp_time ,
+1 if it is later, or 0 on error.
+.Sh SEE ALSO
+.Xr ASN1_time_parse 3 ,
+.Xr time 3