436 lines
9.3 KiB
C
436 lines
9.3 KiB
C
/*
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* Copyright (c) 1983 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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char copyright[] =
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"@(#) Copyright (c) 1983 Regents of the University of California.\n\
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All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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static char sccsid[] = "@(#)pac.c 5.5 (Berkeley) 6/1/90";
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#endif /* not lint */
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/*
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* Do Printer accounting summary.
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* Currently, usage is
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* pac [-Pprinter] [-pprice] [-s] [-r] [-c] [-m] [user ...]
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* to print the usage information for the named people.
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*/
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#include <stdio.h>
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#include "lp.local.h"
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char *printer; /* printer name */
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char *acctfile; /* accounting file (input data) */
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char *sumfile; /* summary file */
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float price = 0.02; /* cost per page (or what ever) */
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int allflag = 1; /* Get stats on everybody */
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int sort; /* Sort by cost */
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int summarize; /* Compress accounting file */
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int reverse; /* Reverse sort order */
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int hcount; /* Count of hash entries */
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int errs;
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int mflag = 0; /* disregard machine names */
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int pflag = 0; /* 1 if -p on cmd line */
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int price100; /* per-page cost in 100th of a cent */
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char *index();
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int pgetnum();
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/*
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* Grossness follows:
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* Names to be accumulated are hashed into the following
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* table.
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*/
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#define HSHSIZE 97 /* Number of hash buckets */
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struct hent {
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struct hent *h_link; /* Forward hash link */
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char *h_name; /* Name of this user */
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float h_feetpages; /* Feet or pages of paper */
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int h_count; /* Number of runs */
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};
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struct hent *hashtab[HSHSIZE]; /* Hash table proper */
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struct hent *enter();
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struct hent *lookup();
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#define NIL ((struct hent *) 0) /* The big zero */
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double atof();
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char *getenv();
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char *pgetstr();
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main(argc, argv)
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char **argv;
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{
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register FILE *acct;
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register char *cp;
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while (--argc) {
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cp = *++argv;
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if (*cp++ == '-') {
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switch(*cp++) {
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case 'P':
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/*
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* Printer name.
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*/
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printer = cp;
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continue;
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case 'p':
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/*
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* get the price.
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*/
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price = atof(cp);
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pflag = 1;
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continue;
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case 's':
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/*
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* Summarize and compress accounting file.
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*/
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summarize++;
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continue;
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case 'c':
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/*
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* Sort by cost.
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*/
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sort++;
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continue;
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case 'm':
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/*
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* disregard machine names for each user
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*/
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mflag = 1;
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continue;
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case 'r':
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/*
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* Reverse sorting order.
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*/
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reverse++;
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continue;
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default:
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fprintf(stderr,
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"usage: pac [-Pprinter] [-pprice] [-s] [-c] [-r] [-m] [user ...]\n");
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exit(1);
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}
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}
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(void) enter(--cp);
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allflag = 0;
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}
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if (printer == NULL && (printer = getenv("PRINTER")) == NULL)
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printer = DEFLP;
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if (!chkprinter(printer)) {
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printf("pac: unknown printer %s\n", printer);
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exit(2);
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}
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if ((acct = fopen(acctfile, "r")) == NULL) {
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perror(acctfile);
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exit(1);
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}
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account(acct);
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fclose(acct);
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if ((acct = fopen(sumfile, "r")) != NULL) {
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account(acct);
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fclose(acct);
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}
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if (summarize)
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rewrite();
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else
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dumpit();
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exit(errs);
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}
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/*
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* Read the entire accounting file, accumulating statistics
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* for the users that we have in the hash table. If allflag
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* is set, then just gather the facts on everyone.
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* Note that we must accomodate both the active and summary file
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* formats here.
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* Host names are ignored if the -m flag is present.
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*/
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account(acct)
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register FILE *acct;
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{
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char linebuf[BUFSIZ];
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double t;
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register char *cp, *cp2;
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register struct hent *hp;
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register int ic;
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while (fgets(linebuf, BUFSIZ, acct) != NULL) {
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cp = linebuf;
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while (any(*cp, " t\t"))
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cp++;
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t = atof(cp);
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while (any(*cp, ".0123456789"))
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cp++;
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while (any(*cp, " \t"))
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cp++;
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for (cp2 = cp; !any(*cp2, " \t\n"); cp2++)
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;
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ic = atoi(cp2);
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*cp2 = '\0';
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if (mflag && index(cp, ':'))
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cp = index(cp, ':') + 1;
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hp = lookup(cp);
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if (hp == NIL) {
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if (!allflag)
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continue;
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hp = enter(cp);
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}
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hp->h_feetpages += t;
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if (ic)
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hp->h_count += ic;
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else
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hp->h_count++;
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}
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}
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/*
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* Sort the hashed entries by name or footage
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* and print it all out.
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*/
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dumpit()
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{
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struct hent **base;
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register struct hent *hp, **ap;
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register int hno, c, runs;
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float feet;
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int qucmp();
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hp = hashtab[0];
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hno = 1;
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base = (struct hent **) calloc(sizeof hp, hcount);
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for (ap = base, c = hcount; c--; ap++) {
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while (hp == NIL)
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hp = hashtab[hno++];
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*ap = hp;
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hp = hp->h_link;
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}
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qsort(base, hcount, sizeof hp, qucmp);
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printf(" Login pages/feet runs price\n");
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feet = 0.0;
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runs = 0;
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for (ap = base, c = hcount; c--; ap++) {
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hp = *ap;
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runs += hp->h_count;
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feet += hp->h_feetpages;
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printf("%-24s %7.2f %4d $%6.2f\n", hp->h_name,
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hp->h_feetpages, hp->h_count, hp->h_feetpages * price);
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}
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if (allflag) {
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printf("\n");
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printf("%-24s %7.2f %4d $%6.2f\n", "total", feet,
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runs, feet * price);
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}
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}
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/*
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* Rewrite the summary file with the summary information we have accumulated.
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*/
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rewrite()
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{
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register struct hent *hp;
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register int i;
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register FILE *acctf;
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if ((acctf = fopen(sumfile, "w")) == NULL) {
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perror(sumfile);
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errs++;
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return;
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}
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for (i = 0; i < HSHSIZE; i++) {
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hp = hashtab[i];
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while (hp != NULL) {
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fprintf(acctf, "%7.2f\t%s\t%d\n", hp->h_feetpages,
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hp->h_name, hp->h_count);
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hp = hp->h_link;
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}
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}
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fflush(acctf);
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if (ferror(acctf)) {
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perror(sumfile);
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errs++;
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}
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fclose(acctf);
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if ((acctf = fopen(acctfile, "w")) == NULL)
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perror(acctfile);
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else
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fclose(acctf);
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}
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/*
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* Hashing routines.
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*/
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/*
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* Enter the name into the hash table and return the pointer allocated.
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*/
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struct hent *
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enter(name)
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char name[];
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{
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register struct hent *hp;
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register int h;
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if ((hp = lookup(name)) != NIL)
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return(hp);
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h = hash(name);
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hcount++;
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hp = (struct hent *) calloc(sizeof *hp, 1);
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hp->h_name = (char *) calloc(sizeof(char), strlen(name)+1);
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strcpy(hp->h_name, name);
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hp->h_feetpages = 0.0;
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hp->h_count = 0;
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hp->h_link = hashtab[h];
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hashtab[h] = hp;
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return(hp);
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}
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/*
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* Lookup a name in the hash table and return a pointer
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* to it.
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*/
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struct hent *
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lookup(name)
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char name[];
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{
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register int h;
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register struct hent *hp;
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h = hash(name);
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for (hp = hashtab[h]; hp != NIL; hp = hp->h_link)
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if (strcmp(hp->h_name, name) == 0)
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return(hp);
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return(NIL);
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}
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/*
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* Hash the passed name and return the index in
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* the hash table to begin the search.
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*/
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hash(name)
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char name[];
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{
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register int h;
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register char *cp;
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for (cp = name, h = 0; *cp; h = (h << 2) + *cp++)
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;
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return((h & 0x7fffffff) % HSHSIZE);
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}
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/*
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* Other stuff
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*/
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any(ch, str)
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char str[];
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{
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register int c = ch;
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register char *cp = str;
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while (*cp)
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if (*cp++ == c)
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return(1);
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return(0);
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}
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/*
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* The qsort comparison routine.
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* The comparison is ascii collating order
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* or by feet of typesetter film, according to sort.
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*/
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qucmp(left, right)
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struct hent **left, **right;
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{
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register struct hent *h1, *h2;
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register int r;
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h1 = *left;
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h2 = *right;
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if (sort)
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r = h1->h_feetpages < h2->h_feetpages ? -1 : h1->h_feetpages >
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h2->h_feetpages;
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else
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r = strcmp(h1->h_name, h2->h_name);
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return(reverse ? -r : r);
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}
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/*
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* Perform lookup for printer name or abbreviation --
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*/
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chkprinter(s)
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register char *s;
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{
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static char buf[BUFSIZ/2];
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char b[BUFSIZ];
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int stat;
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char *bp = buf;
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if ((stat = pgetent(b, s)) < 0) {
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printf("pac: can't open printer description file\n");
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exit(3);
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} else if (stat == 0)
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return(0);
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if ((acctfile = pgetstr("af", &bp)) == NULL) {
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printf("accounting not enabled for printer %s\n", printer);
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exit(2);
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}
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if (!pflag && (price100 = pgetnum("pc")) > 0)
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price = price100/10000.0;
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sumfile = (char *) calloc(sizeof(char), strlen(acctfile)+5);
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if (sumfile == NULL) {
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perror("pac");
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exit(1);
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}
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strcpy(sumfile, acctfile);
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strcat(sumfile, "_sum");
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return(1);
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}
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