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X509_time_adj.3
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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" X509_cmp_time, X509_cmp_current_time, X509_time_adj, X509_time_adj_ex \&\- X509 time functions .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 5 \& int X509_cmp_time(const ASN1_TIME *asn1_time, time_t *in_tm); \& int X509_cmp_current_time(const ASN1_TIME *asn1_time); \& ASN1_TIME *X509_time_adj(ASN1_TIME *asn1_time, long offset_sec, time_t *in_tm); \& ASN1_TIME *X509_time_adj_ex(ASN1_TIME *asn1_time, int offset_day, long \& offset_sec, time_t *in_tm); .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" \&\fBX509_cmp_time()\fR compares the \s-1ASN1_TIME\s0 in \fBasn1_time\fR with the time in <cmp_time>. \fBX509_cmp_current_time()\fR compares the \s-1ASN1_TIME\s0 in \&\fBasn1_time\fR with the current time, expressed as time_t. \fBasn1_time\fR must satisfy the \s-1ASN1_TIME\s0 format mandated by \s-1RFC 5280,\s0 i.e., its format must be either \s-1YYMMDDHHMMSSZ\s0 or \s-1YYYYMMDDHHMMSSZ.\s0 .PP \&\fBX509_time_adj_ex()\fR sets the \s-1ASN1_TIME\s0 structure \fBasn1_time\fR to the time \&\fBoffset_day\fR and \fBoffset_sec\fR after \fBin_tm\fR. .PP \&\fBX509_time_adj()\fR sets the \s-1ASN1_TIME\s0 structure \fBasn1_time\fR to the time \&\fBoffset_sec\fR after \fBin_tm\fR. This method can only handle second offsets up to the capacity of long, so the newer \fBX509_time_adj_ex()\fR \&\s-1API\s0 should be preferred. .PP In both methods, if \fBasn1_time\fR is \s-1NULL,\s0 a new \s-1ASN1_TIME\s0 structure is allocated and returned. .PP In all methods, if \fBin_tm\fR is \s-1NULL,\s0 the current time, expressed as time_t, is used. .SH "BUGS" .IX Header "BUGS" Unlike many standard comparison functions, \fBX509_cmp_time()\fR and \&\fBX509_cmp_current_time()\fR return 0 on error. .SH "RETURN VALUES" .IX Header "RETURN VALUES" \&\fBX509_cmp_time()\fR and \fBX509_cmp_current_time()\fR return \-1 if \fBasn1_time\fR is earlier than, or equal to, \fBcmp_time\fR (resp. current time), and 1 otherwise. These methods return 0 on error. .PP \&\fBX509_time_adj()\fR and \fBX509_time_adj_ex()\fR return a pointer to the updated \&\s-1ASN1_TIME\s0 structure, and \s-1NULL\s0 on error. .SH "COPYRIGHT" .IX Header "COPYRIGHT" Copyright 2017\-2018 The OpenSSL Project Authors. All Rights Reserved. .PP Licensed under the OpenSSL license (the \*(L"License\*(R"). You may not use this file except in compliance with the License. You can obtain a copy in the file \s-1LICENSE\s0 in the source distribution or at <https://www.openssl.org/source/license.html>.
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