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/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright (c) 1980 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <locale.h>
#include <assert.h>
extern void err();
extern int newkeys();
extern int recopy();
extern void whash();
int
main(int argc, char *argv[])
{
/*
* Make inverted file indexes. Reads a stream from mkey which
* gives record pointer items and keys. Generates set of files
* a. NHASH pointers to file b.
* b. lists of record numbers.
* c. record pointer items.
*
* these files are named xxx.ia, xxx.ib, xxx.ic;
* where xxx is taken from arg1.
* If the files exist they are updated.
*/
FILE *fa, *fb, *fc, *fta, *ftb, *ftc;
FILE *fd = NULL;
int nhash = 256;
int appflg = 1;
int keepkey = 0, pipein = 0;
char nma[100], nmb[100], nmc[100], com[100], nmd[100];
char tmpa[20], tmpb[20], tmpc[20];
char *remove = NULL;
int chatty = 0, docs, hashes, fp[2], fr, fw, pfork, pwait, status;
int i, j, k;
long keys;
int iflong = 0;
char *sortdir;
(void) setlocale(LC_ALL, "");
#if !defined(TEXT_DOMAIN)
#define TEXT_DOMAIN "SYS_TEST"
#endif
(void) textdomain(TEXT_DOMAIN);
sortdir = (access("/crp/tmp", 06) == 0) ? "/crp/tmp" : "/usr/tmp";
while (argc > 1 && argv[1][0] == '-') {
switch (argv[1][1]) {
case 'h': /* size of hash table */
nhash = atoi(argv[1]+2);
break;
case 'n': /* new, don't append */
appflg = 0;
break;
case 'a': /* append to old file */
appflg = 1;
break;
case 'v': /* verbose output */
chatty = 1;
break;
case 'd': /* keep keys on file .id for check on searching */
keepkey = 1;
break;
case 'p': /* pipe into sort (saves space, costs time) */
pipein = 1;
break;
case 'i': /* input is on file, not stdin */
close(0);
if (open(argv[2], 0) != 0)
err(gettext("Can't read input %s"), argv[2]);
if (argv[1][2] == 'u') /* unlink */
remove = argv[2];
argc--;
argv++;
break;
}
argc--;
argv++;
}
strcpy(nma, argc >= 2 ? argv[1] : "Index");
strcpy(nmb, nma);
strcpy(nmc, nma);
strcpy(nmd, nma);
strcat(nma, ".ia");
strcat(nmb, ".ib");
strcat(nmc, ".ic");
strcat(nmd, ".id");
sprintf(tmpa, "junk%di", getpid());
if (pipein) {
sprintf(com, "/usr/bin/sort -T %s -o %s", sortdir, tmpa);
fta = popen(com, "w");
} else { /* use tmp file */
fta = fopen(tmpa, "w");
assert(fta != NULL);
}
fb = 0;
if (appflg) {
if (fb = fopen(nmb, "r")) {
sprintf(tmpb, "junk%dj", getpid());
ftb = fopen(tmpb, "w");
if (ftb == NULL)
err(gettext("Can't get scratch file %s"), tmpb);
nhash = recopy(ftb, fb, fopen(nma, "r"));
fclose(ftb);
} else
appflg = 0;
}
fc = fopen(nmc, appflg ? "a" : "w");
if (keepkey)
fd = keepkey ? fopen(nmd, "w") : 0;
docs = newkeys(fta, stdin, fc, nhash, fd, &iflong);
fclose(stdin);
if (remove != NULL)
unlink(remove);
fclose(fta);
if (pipein) {
pclose(fta);
}
else
{
sprintf(com, "sort -T %s %s -o %s", sortdir, tmpa, tmpa);
system(com);
}
if (appflg) {
sprintf(tmpc, "junk%dk", getpid());
sprintf(com, "mv %s %s", tmpa, tmpc);
system(com);
sprintf(com, "sort -T %s -m %s %s -o %s", sortdir,
tmpb, tmpc, tmpa);
system(com);
}
fta = fopen(tmpa, "r");
fa = fopen(nma, "w");
fb = fopen(nmb, "w");
whash(fta, fa, fb, nhash, iflong, &keys, &hashes);
fclose(fta);
#ifndef D1
unlink(tmpa);
#endif
if (appflg) {
unlink(tmpb);
unlink(tmpc);
}
if (chatty)
printf(gettext("%ld key occurrences, %d hashes, %d docs\n"),
keys, hashes, docs);
return (0);
}
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