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133 lines
3.2 KiB
C
133 lines
3.2 KiB
C
/* time.c
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Routines to deal with UUCP time spans.
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Copyright (C) 1991, 1992, 1993 Ian Lance Taylor
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This file is part of the Taylor UUCP package.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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The author of the program may be contacted at ian@airs.com or
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c/o Cygnus Support, 48 Grove Street, Somerville, MA 02144.
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*/
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#include "uucp.h"
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#if USE_RCS_ID
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const char time_rcsid[] = "$Id$";
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#endif
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#include <ctype.h>
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#if TM_IN_SYS_TIME
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#include <sys/time.h>
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#else
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#include <time.h>
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#endif
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#include "uudefs.h"
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#include "uuconf.h"
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/* External functions. */
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#ifndef time
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extern time_t time ();
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#endif
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#ifndef localtime
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extern struct tm *localtime ();
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#endif
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/* See if the current time matches a time span. If it does, return
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TRUE, set *pival to the value for the matching span, and set
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*pcretry to the retry for the matching span. Otherwise return
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FALSE. */
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boolean
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ftimespan_match (qspan, pival, pcretry)
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const struct uuconf_timespan *qspan;
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long *pival;
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int *pcretry;
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{
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time_t inow;
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struct tm *qtm;
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int itm;
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const struct uuconf_timespan *q;
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if (qspan == NULL)
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return FALSE;
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time (&inow);
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qtm = localtime (&inow);
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/* Get the number of minutes since Sunday for the time. */
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itm = qtm->tm_wday * 24 * 60 + qtm->tm_hour * 60 + qtm->tm_min;
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for (q = qspan; q != NULL; q = q->uuconf_qnext)
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{
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if (q->uuconf_istart <= itm && itm <= q->uuconf_iend)
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{
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if (pival != NULL)
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*pival = q->uuconf_ival;
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if (pcretry != NULL)
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*pcretry = q->uuconf_cretry;
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return TRUE;
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}
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}
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return FALSE;
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}
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/* Determine the maximum size that may ever be transferred, according
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to a timesize span. This returns -1 if there is no limit. */
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long
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cmax_size_ever (qtimesize)
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const struct uuconf_timespan *qtimesize;
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{
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long imax;
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const struct uuconf_timespan *q;
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if (qtimesize == NULL)
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return -1;
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/* Look through the list of spans. If there is any gap larger than
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1 hour, we assume there are no restrictions. Otherwise we keep
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track of the largest value we see. I picked 1 hour arbitrarily,
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on the theory that a 1 hour span to transfer large files might
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actually occur, and is probably not an accident. */
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if (qtimesize->uuconf_istart >= 60)
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return -1;
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imax = -1;
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for (q = qtimesize; q != NULL; q = q->uuconf_qnext)
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{
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if (q->uuconf_qnext == NULL)
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{
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if (q->uuconf_iend <= 6 * 24 * 60 + 23 * 60)
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return -1;
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}
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else
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{
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if (q->uuconf_iend + 60 <= q->uuconf_qnext->uuconf_istart)
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return -1;
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}
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if (imax < q->uuconf_ival)
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imax = q->uuconf_ival;
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}
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return imax;
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}
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