.\" Copyright 2001 walter harms (walter.harms@informatik.uni-oldenburg.de)
.\" and Copyright 2008, Linux Foundation, written by Michael Kerrisk
.\"     <mtk.manpages@gmail.com>
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one.
.\"
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date.  The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein.  The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" Modified, 2001-12-26, aeb
.\" 2008-09-07, mtk, Various rewrites; added an example program.
.\"
.\" Japanese Version Copyright (c) 2002 NAKANO Takeo
.\" and Copyright (c) 2008, Akihiro MOTOKI all rights reserved.
.\"
.\" Translated 2002-01-12, NAKANO Takeo <nakano@apm.seikei.ac.jp>
.\" Updated 2008-09-20, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>, LDP v3.09
.\"
.\"WORD:	broken-down time	̤λ
.\"
.TH GETDATE 3 2008-09-07 "" "Linux Programmer's Manual"
.SH ̾
getdate, getdate_r \- դȻʸ̤λѴ
.SH 
.B "#define _XOPEN_SOURCE 500"
.br
.B "#include <time.h>"
.sp
.BI "struct tm *getdate(const char *" string );
.sp
.B "extern int getdate_err;"
.sp
.B "#define _GNU_SOURCE"
.br
.B "#include <time.h>"
.sp
.BI "int getdate_r(const char *" string ", struct tm *" res );
.SH 
.BR getdate ()
ؿϡ
.I string
ؤХåե˳Ǽ줿ʸɽդȻ
̤λ (broken-down time) Ѵ롣
̤λ
.I tm
¤Τ˳Ǽ졢ι¤ΤؤΥݥ󥿤ؿη̤Ȥ֤롣

.I tm
¤ΤŪʥΰˤꡢ
.BR getdate ()
ΤʹߤθƤӽФǾ񤭤뤫⤵ʤ
.PP
.RI ( format
ǥեޥåȤꤹ)
.BR strptime (3)
Ȥϰ㤤
.BR getdate ()
ϴĶѿ
.B DATEMSK
ǻꤵ줿եѥ̾Υե˽񤤤ƤեޥåȤѤ롣
.PP
ޥåκݤˤʸʸ̤ʤ
ѥǤѴʸǤ⡢;ʬʶʸ̵뤵롣
.PP
ѥ˻ǤѴϡ
.BR strptime (3)
ΤΤƱǤ롣
POSIX.1-2001 ǤϰĤѴ꤬ɲäǵꤵƤ롣
.TP
.B %Z
ॾ̾
glibc ǤϼƤʤ
.LP
.B %Z
ꤵ줿硢̤λǼ빽¤Τϡ
ꤵ줿ॾˤ븽߻бͤǽ롣
ꤵƤʤ硢ι¤ΤϸߤΥ륿б
̤λǽ
.RB ( localtime (3)
ƤӽФƱ)
.LP
ꤵ줿硢
ޤϺʹߤǡ
˹פǽѤ롣
.LP
(ǯʤ) ꤵ줿硢
ޤϺʹߤǡ
η˹פǽηѤ롣
.LP
ʬäꤵʤä硢
ߤλʬäѤ롣
.LP
դλ꤬ʤä (hour) ꤵ줿ϡ
ߤλ֤ޤϤʹߤǡλ˹פǽλ֤Ѥ롣

.BR getdate_r ()
 GNU ĥ
.BR getdate ()
ΥꥨȥǤ󶡤Ƥ롣
.BR getdate_r ()
Ǥϡ顼𤹤Τ˥ХѿѤꡢ
̤λ֤ΤŪʥХåեѤꤻ
顼ؿ֤ͷͳ𤷡̤λ

.I res
ؤƤӽФ¦dzƤХåե˳Ǽ֤
.SH ֤
ȡ
.BR getdate ()

.I struct tm
ؤΥݥ󥿤֤
Ԥ NULL ֤Хѿ
.I getdate_err
˰ʲ˼顼ֹΤ줫Ĥꤹ롣
.I errno
ѹˤĤƤϵꤵƤʤ

ȡ
.BR getdate_r ()
 0 ֤
Ԥȡʲ˼顼ֹΤ줫Ĥ֤
.SH 顼
ʲΥ顼
.RB ( getdate ()
Ǥ)
.I getdate_err
ͳ֤졢
.RB ( getdate_r ()
Ǥ) ؿ֤ͤȤ֤롣
.TP 4n
.B 1
Ķѿ
.B DATEMASK
̤ޤϤͤʸǤ롣
.TP
.B 2
.B DATEMSK
ǻꤵ줿ƥץ졼ȥեɤ߹Ѥ˥ץǤʤ
.TP
.B 3
եΥơ󤬼Ǥʤ
.\" stat()
.TP
.B 4
ƥץ졼ȥե뤬̾ΥեǤʤ
.TP
.B 5
ƥץ졼ȥեɤ߹˥顼ä
.TP
.B 6
γƤ˼Ԥ (꤬­ʤ)
.\" 顼 6  glibc Ǥȯʤ褦˸롣
.TP
.B 7
Ϥ˥ޥåեˡԤޤޤƤʤ
.TP
.B 8
ϻ꤬ʤ
.SH Ķѿ
.TP
.B DATEMSK
񼰥ѥޤե롣
.TP
.BR TZ ", " LC_TIME
.BR strptime (3)
Ѥѿ
.SH 
POSIX.1-2001.
.SH 
POSIX.1-2001 ͤǤϡ
.BR strptime (3)
ˤĤƤ
.B %E

.B %O
ȤäҤѤѴꤷƤ뤬
.BR getdate ()
ˤĤƤϤΤ褦ʽҤεϤʤ
glibc Ǥϡ
.BR getdate ()

.BR strptime (3)
ѤƼƤꡢ
ξԤǤƱѴξԤǥݡȤƤ롣
.SH 
ʲΥץϡޥɥ饤Τ줾ˤĤ
.BR getdate ()
ƤӽФ줾ˤĤ֤줿
.I tm
¤ΤΥեͤɽ롣
Υ롦åϡץưǤ롣

.in +4n
.nf
.RB "$" " TFILE=$PWD/tfile"
.RB "$" " echo \(aq%A\(aq > $TFILE " "      # Full weekday name"
.RB "$" " echo \(aq%T\(aq >> $TFILE" "      # ISO date (YYYY-MM-DD)"
.RB "$" " echo \(aq%F\(aq >> $TFILE" "      # Time (HH:MM:SS)"
.RB "$" " date"
.RB "$" " export DATEMSK=$TFILE"
.RB "$" " ./a.out Tuesday \(aq2009-12-28\(aq \(aq12:22:33\(aq"
Sun Sep  7 06:03:36 CEST 2008
Call 1 ("Tuesday") succeeded:
    tm_sec   = 36
    tm_min   = 3
    tm_hour  = 6
    tm_mday  = 9
    tm_mon   = 8
    tm_year  = 108
    tm_wday  = 2
    tm_yday  = 252
    tm_isdst = 1
Call 2 ("2009-12-28") succeeded:
    tm_sec   = 36
    tm_min   = 3
    tm_hour  = 6
    tm_mday  = 28
    tm_mon   = 11
    tm_year  = 109
    tm_wday  = 1
    tm_yday  = 361
    tm_isdst = 0
Call 3 ("12:22:33") succeeded:
    tm_sec   = 33
    tm_min   = 22
    tm_hour  = 12
    tm_mday  = 7
    tm_mon   = 8
    tm_year  = 108
    tm_wday  = 0
    tm_yday  = 250
    tm_isdst = 1
.fi
.in
.SS ץΥ
\&
.nf
#define _GNU_SOURCE 500
#include <time.h>
#include <stdio.h>
#include <stdlib.h>

int
main(int argc, char *argv[])
{
    struct tm *tmp;
    int j;

    for (j = 1; j < argc; j++) {
        tmp = getdate(argv[j]);

        if (tmp == NULL) {
            printf("Call %d failed; getdate_err = %d\\n",
                   j, getdate_err);
            continue;
        }

        printf("Call %d (\\"%s\\") succeeded:\\n", j, argv[j]);
        printf("    tm_sec   = %d\\n", tmp\->tm_sec);
        printf("    tm_min   = %d\\n", tmp\->tm_min);
        printf("    tm_hour  = %d\\n", tmp\->tm_hour);
        printf("    tm_mday  = %d\\n", tmp\->tm_mday);
        printf("    tm_mon   = %d\\n", tmp\->tm_mon);
        printf("    tm_year  = %d\\n", tmp\->tm_year);
        printf("    tm_wday  = %d\\n", tmp\->tm_wday);
        printf("    tm_yday  = %d\\n", tmp\->tm_yday);
        printf("    tm_isdst = %d\\n", tmp\->tm_isdst);
    }

    exit(EXIT_SUCCESS);
}
.fi
.SH Ϣ
.BR time (2),
.BR localtime (3),
.BR setlocale (3),
.BR strftime (3),
.BR strptime (3),
.BR feature_test_macros (7)