1 |
– |
/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
2 |
– |
|
1 |
|
#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ SGI"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
|
#endif |
6 |
– |
|
4 |
|
/* |
5 |
|
* Optimize holodeck for quick access. |
6 |
|
* |
7 |
|
* 11/4/98 Greg Ward Larson |
8 |
|
*/ |
9 |
|
|
13 |
– |
#include "holo.h" |
14 |
– |
|
10 |
|
#include <signal.h> |
11 |
+ |
#include <string.h> |
12 |
|
|
13 |
+ |
#include "rtprocess.h" /* getpid() */ |
14 |
+ |
#include "holo.h" |
15 |
+ |
#include "platform.h" |
16 |
+ |
|
17 |
|
#ifndef BKBSIZE |
18 |
|
#define BKBSIZE 256 /* beam clump size (kilobytes) */ |
19 |
|
#endif |
20 |
|
|
21 |
|
char *progname; |
22 |
|
char tempfile[128]; |
23 |
+ |
int dupchecking = 0; |
24 |
|
|
24 |
– |
extern char *rindex(); |
25 |
– |
extern int quit(); |
25 |
|
extern long rhinitcopy(); |
26 |
|
|
27 |
|
|
34 |
|
long nextipos, lastopos, thisopos; |
35 |
|
|
36 |
|
progname = argv[0]; |
37 |
< |
if (argc < 2 | argc > 3) { |
38 |
< |
fprintf(stderr, "Usage: %s input.hdk [output.hdk]\n", progname); |
37 |
> |
argv++; argc--; /* duplicate checking flag? */ |
38 |
> |
if (argc > 1 && !strcmp(argv[0], "-u")) { |
39 |
> |
dupchecking++; |
40 |
> |
argv++; argc--; |
41 |
> |
} |
42 |
> |
if ((argc < 1) | (argc > 2)) { |
43 |
> |
fprintf(stderr, "Usage: %s [-u] input.hdk [output.hdk]\n", |
44 |
> |
progname); |
45 |
|
exit(1); |
46 |
|
} |
47 |
< |
inpname = argv[1]; |
48 |
< |
if (argc == 3) /* use given output file */ |
49 |
< |
outname = argv[2]; |
47 |
> |
inpname = argv[0]; /* get input file */ |
48 |
> |
argv++; argc--; |
49 |
> |
if (argc == 1) /* use given output file */ |
50 |
> |
outname = argv[0]; |
51 |
|
else { /* else use temporary file */ |
52 |
|
if (access(inpname, R_OK|W_OK) < 0) { /* check permissions */ |
53 |
|
sprintf(errmsg, "cannot access \"%s\"", inpname); |
54 |
|
error(SYSTEM, errmsg); |
55 |
|
} |
56 |
|
strcpy(tempfile, inpname); |
57 |
< |
if ((outname = rindex(tempfile, '/')) != NULL) |
57 |
> |
if ((outname = strrchr(tempfile, '/')) != NULL) |
58 |
|
outname++; |
59 |
|
else |
60 |
|
outname = tempfile; |
66 |
|
lastopos = 0L; /* copy sections one by one */ |
67 |
|
while (nextipos != 0L) { |
68 |
|
/* set input position; get next */ |
69 |
< |
lseek(hdfd[0], nextipos, 0); |
69 |
> |
lseek(hdfd[0], (off_t)nextipos, SEEK_SET); |
70 |
|
read(hdfd[0], (char *)&nextipos, sizeof(nextipos)); |
71 |
|
/* get output position; set last */ |
72 |
< |
thisopos = lseek(hdfd[1], 0L, 2); |
72 |
> |
thisopos = lseek(hdfd[1], (off_t)0, SEEK_END); |
73 |
|
if (lastopos > 0L) { |
74 |
< |
lseek(hdfd[1], lastopos, 0); |
74 |
> |
lseek(hdfd[1], (off_t)lastopos, SEEK_SET); |
75 |
|
write(hdfd[1], (char *)&thisopos, sizeof(thisopos)); |
76 |
< |
lseek(hdfd[1], 0L, 2); |
76 |
> |
lseek(hdfd[1], (off_t)0, SEEK_END); |
77 |
|
} |
78 |
|
lastopos = thisopos; |
79 |
|
thisopos = 0L; /* write place holder */ |
105 |
|
sprintf(errmsg, "cannot open \"%s\" for reading", infn); |
106 |
|
error(SYSTEM, errmsg); |
107 |
|
} |
108 |
+ |
if (access(outfn, F_OK) == 0) { |
109 |
+ |
sprintf(errmsg, "output file \"%s\" already exists!", outfn); |
110 |
+ |
error(USER, errmsg); |
111 |
+ |
} |
112 |
|
if ((outfp = fopen(outfn, "w+")) == NULL) { |
113 |
|
sprintf(errmsg, "cannot open \"%s\" for writing", outfn); |
114 |
|
error(SYSTEM, errmsg); |
143 |
|
} |
144 |
|
|
145 |
|
|
146 |
+ |
int |
147 |
+ |
nuniq(rva, n) /* sort unique rays to front of beam list */ |
148 |
+ |
register RAYVAL *rva; |
149 |
+ |
int n; |
150 |
+ |
{ |
151 |
+ |
register int i, j; |
152 |
+ |
RAYVAL rtmp; |
153 |
+ |
|
154 |
+ |
for (j = 0; j < n; j++) |
155 |
+ |
for (i = j+1; i < n; i++) |
156 |
+ |
if ( rva[i].d == rva[j].d && |
157 |
+ |
rva[i].r[0][0]==rva[j].r[0][0] && |
158 |
+ |
rva[i].r[0][1]==rva[j].r[0][1] && |
159 |
+ |
rva[i].r[1][0]==rva[j].r[1][0] && |
160 |
+ |
rva[i].r[1][1]==rva[j].r[1][1] ) { |
161 |
+ |
n--; /* swap duplicate with end */ |
162 |
+ |
rtmp = *(rva+n); |
163 |
+ |
*(rva+n) = *(rva+i); |
164 |
+ |
*(rva+i) = rtmp; |
165 |
+ |
i--; /* recheck one we swapped */ |
166 |
+ |
} |
167 |
+ |
return(n); |
168 |
+ |
} |
169 |
+ |
|
170 |
+ |
|
171 |
|
static BEAMI *beamdir; |
172 |
|
|
173 |
|
static int |
174 |
|
bpcmp(b1p, b2p) /* compare beam positions on disk */ |
175 |
|
int *b1p, *b2p; |
176 |
|
{ |
177 |
< |
register long pdif = beamdir[*b1p].fo - beamdir[*b2p].fo; |
177 |
> |
register off_t pdif = beamdir[*b1p].fo - beamdir[*b2p].fo; |
178 |
|
|
144 |
– |
if (pdif > 0L) return(1); |
179 |
|
if (pdif < 0L) return(-1); |
180 |
< |
return(0); |
180 |
> |
return(pdif > 0L); |
181 |
|
} |
182 |
|
|
183 |
|
static HOLO *hout; |
189 |
|
{ |
190 |
|
register int i; |
191 |
|
register BEAM *bp; |
192 |
+ |
int n; |
193 |
|
|
194 |
|
beamdir = hp->bi; /* sort based on file position */ |
195 |
< |
qsort((char *)bq, nb, sizeof(*bq), bpcmp); |
195 |
> |
qsort((void *)bq, nb, sizeof(*bq), bpcmp); |
196 |
|
/* transfer and free each beam */ |
197 |
|
for (i = 0; i < nb; i++) { |
198 |
|
bp = hdgetbeam(hp, bq[i]); |
199 |
< |
bcopy((char *)hdbray(bp), (char *)hdnewrays(hout,bq[i],bp->nrm), |
200 |
< |
bp->nrm*sizeof(RAYVAL)); |
199 |
> |
DCHECK(bp==NULL, CONSISTENCY, "empty beam in xferclump"); |
200 |
> |
n = dupchecking ? nuniq(hdbray(bp),bp->nrm) : bp->nrm; |
201 |
> |
memcpy((void *)hdnewrays(hout,bq[i],n),(void *)hdbray(bp), |
202 |
> |
n*sizeof(RAYVAL)); |
203 |
|
hdfreebeam(hp, bq[i]); |
204 |
|
} |
205 |
< |
hdflush(hout); /* write & free clump */ |
205 |
> |
hdfreebeam(hout, 0); /* write & free clump */ |
206 |
|
return(0); |
207 |
|
} |
208 |
|
|
222 |
|
} |
223 |
|
|
224 |
|
|
225 |
+ |
void |
226 |
|
eputs(s) /* put error message to stderr */ |
227 |
|
register char *s; |
228 |
|
{ |
242 |
|
} |
243 |
|
|
244 |
|
|
245 |
+ |
void |
246 |
|
quit(code) /* exit the program gracefully */ |
247 |
|
int code; |
248 |
|
{ |