xref: /illumos-gate/usr/src/cmd/refer/inv6.c (revision 2a8bcb4efb45d99ac41c94a75c396b362c414f7f)
1 /*
2  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
3  * Use is subject to license terms.
4  */
5 
6 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
7 /*	  All Rights Reserved  	*/
8 
9 /*
10  * Copyright (c) 1980 Regents of the University of California.
11  * All rights reserved. The Berkeley software License Agreement
12  * specifies the terms and conditions for redistribution.
13  */
14 
15 #include <stdio.h>
16 #include <assert.h>
17 
18 static void putl(long, FILE *);
19 
20 void
whash(FILE * ft,FILE * fa,FILE * fb,int nhash,int iflong,long * ptotct,int * phused)21 whash(FILE *ft, FILE *fa, FILE *fb, int nhash, int iflong,
22 	    long *ptotct, int *phused)
23 {
24 	char line[100];
25 	int hash = 0, hused = 0;
26 	long totct = 0L;
27 	int ct = 0;
28 	long point;
29 	long opoint = -1;
30 	int m;
31 	int k;
32 	long lp;
33 	long *hpt;
34 	int *hfreq = NULL;
35 
36 	hpt = (long *)calloc(nhash+1, sizeof (*hpt));
37 	assert(hpt != NULL);
38 	hfreq = (int *)calloc(nhash, sizeof (*hfreq));
39 	assert(hfreq != NULL);
40 	hpt[0] = 0;
41 	lp = 0;
42 	while (fgets(line, 100, ft)) {
43 		totct++;
44 		sscanf(line, "%d %ld", &k, &point);
45 		if (hash < k) {
46 			hused++;
47 			if (iflong) putl(-1L, fb);
48 			else putw(-1, fb);
49 			hfreq[hash] = ct;
50 			while (hash < k) {
51 				hpt[++hash] = lp;
52 				hfreq[hash] = 0;
53 			}
54 			hpt[hash] = lp += iflong ? sizeof (long) : sizeof (int);
55 			opoint = -1;
56 			ct = 0;
57 		}
58 		if (point != opoint) {
59 			if (iflong)
60 				putl(opoint = point, fb);
61 			else
62 				putw((int)(opoint = point), fb);
63 			lp += iflong ? sizeof (long) : sizeof (int);
64 			ct++;
65 		}
66 	}
67 	if (iflong) putl(-1L, fb);
68 	else putw(-1, fb);
69 	while (hash < nhash)
70 		hpt[++hash] = lp;
71 	fwrite(&nhash, sizeof (nhash), 1, fa);
72 	fwrite(&iflong, sizeof (iflong), 1, fa);
73 	fwrite(hpt, sizeof (*hpt), nhash, fa);
74 	fwrite(hfreq, sizeof (*hfreq), nhash, fa);
75 	*ptotct = totct;
76 	*phused = hused;
77 }
78 
79 static void
putl(long ll,FILE * f)80 putl(long ll, FILE *f)
81 {
82 	putw(ll, f);
83 }
84 
85 long
getl(FILE * f)86 getl(FILE *f)
87 {
88 	return (getw(f));
89 }
90