272 lines
6.4 KiB
C
272 lines
6.4 KiB
C
/* $NetBSD: supcparse.c,v 1.15 2011/09/21 19:34:54 christos Exp $ */
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/*
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* Copyright (c) 1992 Carnegie Mellon University
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* All Rights Reserved.
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*
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* Permission to use, copy, modify and distribute this software and its
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* documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
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* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie Mellon
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* the rights to redistribute these changes.
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*/
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/*
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* sup collection parsing routines
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**********************************************************************
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* HISTORY
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*
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* 7-July-93 Nate Williams at Montana State University
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* Modified SUP to use gzip based compression when sending files
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* across the network to save BandWidth
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*
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* Revision 1.6 92/08/11 12:07:38 mrt
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* Added use-rel-suffix option corresponding to -u switch.
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* [92/07/26 mrt]
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*
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* Revision 1.5 92/02/08 18:24:19 mja
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* Added "keep" supfile option, corresponding to -k switch.
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* [92/01/17 vdelvecc]
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*
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* Revision 1.4 91/05/16 14:49:50 ern
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* Change default timeout from none to 3 hours so we don't accumalute
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* processes running sups to dead hosts especially for users.
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* [91/05/16 14:49:21 ern]
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*
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*
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* 10-Feb-88 Glenn Marcy (gm0w) at Carnegie-Mellon University
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* Added timeout to backoff.
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*
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* 28-Jun-87 Glenn Marcy (gm0w) at Carnegie-Mellon University
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* Added code for "release" support. Removed obsolete options.
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*
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* 25-May-87 Doug Philips (dwp) at Carnegie-Mellon University
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* Split off from sup.c
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*
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**********************************************************************
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*/
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#include "supcdefs.h"
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#include "supextern.h"
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extern char _argbreak; /* break character from nxtarg */
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typedef enum { /* supfile options */
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OHOST, OBASE, OHOSTBASE, OPREFIX, ORELEASE,
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ONOTIFY, OLOGIN, OPASSWORD, OCRYPT,
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OBACKUP, ODELETE, OEXECUTE, OOLD, OTIMEOUT, OKEEP, OURELSUF,
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OCOMPRESS, OCANONICALIZE
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} OPTION;
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struct option {
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char *op_name;
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OPTION op_enum;
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} options[] = {
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{ "host", OHOST },
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{ "base", OBASE },
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{ "hostbase", OHOSTBASE },
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{ "prefix", OPREFIX },
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{ "release", ORELEASE },
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{ "notify", ONOTIFY },
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{ "login", OLOGIN },
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{ "password", OPASSWORD },
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{ "crypt", OCRYPT },
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{ "backup", OBACKUP },
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{ "delete", ODELETE },
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{ "execute", OEXECUTE },
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{ "old", OOLD },
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{ "timeout", OTIMEOUT },
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{ "keep", OKEEP },
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{ "use-rel-suffix", OURELSUF },
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{ "compress", OCOMPRESS },
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{ "canonicalize", OCANONICALIZE },
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};
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static void passdelim(char **, char);
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static void
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passdelim(char **ptr, char delim)
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{ /* skip over delimiter */
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*ptr = skipover(*ptr, " \t");
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if (_argbreak != delim && **ptr == delim) {
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(*ptr)++;
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*ptr = skipover(*ptr, " \t");
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}
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}
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int
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parsecoll(COLLECTION * c, char *collname, char *args)
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{
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char *arg, *p;
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OPTION option;
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int opno;
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c->Cnext = NULL;
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c->Cname = estrdup(collname);
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c->Chost = NULL;
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c->Chtree = NULL;
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c->Cbase = NULL;
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c->Chbase = NULL;
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c->Cprefix = NULL;
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c->Crelease = NULL;
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c->Cnotify = NULL;
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c->Clogin = NULL;
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c->Cpswd = NULL;
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c->Ccrypt = NULL;
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c->Ctimeout = 3 * 60 * 60; /* default to 3 hours instead of no
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* timeout */
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c->Cflags = 0;
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c->Cnogood = FALSE;
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c->Clockfd = -1;
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args = skipover(args, " \t");
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while (*(arg = nxtarg(&args, " \t="))) {
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for (opno = 0; opno < sizeofA(options); opno++)
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if (strcmp(arg, options[opno].op_name) == 0)
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break;
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if (opno == sizeofA(options)) {
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logerr("Invalid supfile option %s for collection %s",
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arg, c->Cname);
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return (-1);
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}
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option = options[opno].op_enum;
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switch (option) {
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case OHOST:
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passdelim(&args, '=');
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do {
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arg = nxtarg(&args, ", \t");
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(void) Tinsert(&c->Chtree, arg, FALSE);
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arg = args;
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p = skipover(args, " \t");
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if (*p++ == ',')
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args = p;
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} while (arg != args);
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break;
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case OBASE:
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passdelim(&args, '=');
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arg = nxtarg(&args, " \t");
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c->Cbase = estrdup(arg);
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break;
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case OHOSTBASE:
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passdelim(&args, '=');
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arg = nxtarg(&args, " \t");
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c->Chbase = estrdup(arg);
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break;
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case OPREFIX:
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passdelim(&args, '=');
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arg = nxtarg(&args, " \t");
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c->Cprefix = estrdup(arg);
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break;
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case ORELEASE:
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passdelim(&args, '=');
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arg = nxtarg(&args, " \t");
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c->Crelease = estrdup(arg);
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break;
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case ONOTIFY:
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passdelim(&args, '=');
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arg = nxtarg(&args, " \t");
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c->Cnotify = estrdup(arg);
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break;
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case OLOGIN:
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passdelim(&args, '=');
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arg = nxtarg(&args, " \t");
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c->Clogin = estrdup(arg);
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break;
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case OPASSWORD:
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passdelim(&args, '=');
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arg = nxtarg(&args, " \t");
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c->Cpswd = estrdup(arg);
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break;
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case OCRYPT:
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passdelim(&args, '=');
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arg = nxtarg(&args, " \t");
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c->Ccrypt = estrdup(arg);
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break;
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case OBACKUP:
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c->Cflags |= CFBACKUP;
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break;
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case ODELETE:
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c->Cflags |= CFDELETE;
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break;
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case OEXECUTE:
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c->Cflags |= CFEXECUTE;
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break;
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case OOLD:
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c->Cflags |= CFOLD;
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break;
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case OKEEP:
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c->Cflags |= CFKEEP;
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break;
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case OURELSUF:
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c->Cflags |= CFURELSUF;
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break;
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case OCOMPRESS:
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c->Cflags |= CFCOMPRESS;
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break;
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case OCANONICALIZE:
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c->Cflags |= CFCANONICALIZE;
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break;
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case OTIMEOUT:
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passdelim(&args, '=');
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arg = nxtarg(&args, " \t");
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c->Ctimeout = atoi(arg);
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break;
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}
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}
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return (0);
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}
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time_t
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getwhen(char *collection, char *relsuffix)
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{
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char buf[STRINGLENGTH];
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char *ep;
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FILE *fp;
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time_t tstamp;
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(void) sprintf(buf, FILEWHEN, collection, relsuffix);
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if ((fp = fopen(buf, "r")) == NULL)
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return 0;
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if (fgets(buf, sizeof(buf), fp) == NULL) {
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(void) fclose(fp);
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return 0;
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}
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(void) fclose(fp);
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if ((tstamp = strtol(buf, &ep, 0)) == -1 || *ep != '\n')
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return 0;
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return tstamp;
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}
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int
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putwhen(char *fname, time_t tstamp)
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{
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FILE *fp;
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if ((fp = fopen(fname, "w")) == NULL)
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return 0;
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if (fprintf(fp, "%lu\n", (u_long) tstamp) < 0) {
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(void) fclose(fp);
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return 0;
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}
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if (fclose(fp) != 0)
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return 0;
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return 1;
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}
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