| 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 |
+ |
#include <stdio.h> |
| 13 |
|
|
| 14 |
+ |
#include "platform.h" |
| 15 |
+ |
#include "rterror.h" |
| 16 |
+ |
#include "resolu.h" |
| 17 |
+ |
#include "rtprocess.h" /* getpid() */ |
| 18 |
+ |
#include "holo.h" |
| 19 |
+ |
|
| 20 |
|
#ifndef BKBSIZE |
| 21 |
|
#define BKBSIZE 256 /* beam clump size (kilobytes) */ |
| 22 |
|
#endif |
| 23 |
|
|
| 24 |
|
char *progname; |
| 25 |
|
char tempfile[128]; |
| 26 |
+ |
int dupchecking = 0; |
| 27 |
|
|
| 28 |
< |
extern char *rindex(); |
| 29 |
< |
extern int quit(); |
| 30 |
< |
extern long rhinitcopy(); |
| 28 |
> |
static long rhinitcopy(int hfd[2], char *infn, char *outfn); |
| 29 |
> |
static int nuniq(RAYVAL *rva, int n); |
| 30 |
> |
static int bpcmp(const void *b1p, const void *b2p); |
| 31 |
> |
static int xferclump(HOLO *hp, int *bq, int nb); |
| 32 |
> |
static void copysect(int ifd, int ofd); |
| 33 |
|
|
| 34 |
|
|
| 35 |
< |
main(argc, argv) |
| 36 |
< |
int argc; |
| 37 |
< |
char *argv[]; |
| 35 |
> |
int |
| 36 |
> |
main( |
| 37 |
> |
int argc, |
| 38 |
> |
char *argv[] |
| 39 |
> |
) |
| 40 |
|
{ |
| 41 |
|
char *inpname, *outname; |
| 42 |
|
int hdfd[2]; |
| 43 |
< |
long nextipos, lastopos, thisopos; |
| 43 |
> |
off_t nextipos, lastopos, thisopos; |
| 44 |
|
|
| 45 |
|
progname = argv[0]; |
| 46 |
< |
if (argc < 2 | argc > 3) { |
| 47 |
< |
fprintf(stderr, "Usage: %s input.hdk [output.hdk]\n", progname); |
| 46 |
> |
argv++; argc--; /* duplicate checking flag? */ |
| 47 |
> |
if (argc > 1 && !strcmp(argv[0], "-u")) { |
| 48 |
> |
dupchecking++; |
| 49 |
> |
argv++; argc--; |
| 50 |
> |
} |
| 51 |
> |
if ((argc < 1) | (argc > 2)) { |
| 52 |
> |
fprintf(stderr, "Usage: %s [-u] input.hdk [output.hdk]\n", |
| 53 |
> |
progname); |
| 54 |
|
exit(1); |
| 55 |
|
} |
| 56 |
< |
inpname = argv[1]; |
| 57 |
< |
if (argc == 3) /* use given output file */ |
| 58 |
< |
outname = argv[2]; |
| 56 |
> |
inpname = argv[0]; /* get input file */ |
| 57 |
> |
argv++; argc--; |
| 58 |
> |
if (argc == 1) /* use given output file */ |
| 59 |
> |
outname = argv[0]; |
| 60 |
|
else { /* else use temporary file */ |
| 61 |
|
if (access(inpname, R_OK|W_OK) < 0) { /* check permissions */ |
| 62 |
|
sprintf(errmsg, "cannot access \"%s\"", inpname); |
| 63 |
|
error(SYSTEM, errmsg); |
| 64 |
|
} |
| 65 |
|
strcpy(tempfile, inpname); |
| 66 |
< |
if ((outname = rindex(tempfile, '/')) != NULL) |
| 66 |
> |
if ((outname = strrchr(tempfile, '/')) != NULL) |
| 67 |
|
outname++; |
| 68 |
|
else |
| 69 |
|
outname = tempfile; |
| 72 |
|
} |
| 73 |
|
/* copy holodeck file header */ |
| 74 |
|
nextipos = rhinitcopy(hdfd, inpname, outname); |
| 75 |
< |
lastopos = 0L; /* copy sections one by one */ |
| 75 |
> |
lastopos = 0; /* copy sections one by one */ |
| 76 |
|
while (nextipos != 0L) { |
| 77 |
|
/* set input position; get next */ |
| 78 |
< |
lseek(hdfd[0], nextipos, 0); |
| 78 |
> |
lseek(hdfd[0], nextipos, SEEK_SET); |
| 79 |
|
read(hdfd[0], (char *)&nextipos, sizeof(nextipos)); |
| 80 |
|
/* get output position; set last */ |
| 81 |
< |
thisopos = lseek(hdfd[1], 0L, 2); |
| 82 |
< |
if (lastopos > 0L) { |
| 83 |
< |
lseek(hdfd[1], lastopos, 0); |
| 81 |
> |
thisopos = lseek(hdfd[1], (off_t)0, SEEK_END); |
| 82 |
> |
if (lastopos > 0) { |
| 83 |
> |
lseek(hdfd[1], lastopos, SEEK_SET); |
| 84 |
|
write(hdfd[1], (char *)&thisopos, sizeof(thisopos)); |
| 85 |
< |
lseek(hdfd[1], 0L, 2); |
| 85 |
> |
lseek(hdfd[1], (off_t)0, SEEK_END); |
| 86 |
|
} |
| 87 |
|
lastopos = thisopos; |
| 88 |
< |
thisopos = 0L; /* write place holder */ |
| 88 |
> |
thisopos = 0; /* write place holder */ |
| 89 |
|
write(hdfd[1], (char *)&thisopos, sizeof(thisopos)); |
| 90 |
|
/* copy holodeck section */ |
| 91 |
|
copysect(hdfd[0], hdfd[1]); |
| 98 |
|
outname, inpname); |
| 99 |
|
error(SYSTEM, errmsg); |
| 100 |
|
} |
| 101 |
< |
exit(0); |
| 101 |
> |
return 0; |
| 102 |
|
} |
| 103 |
|
|
| 104 |
|
|
| 105 |
< |
long |
| 106 |
< |
rhinitcopy(hfd, infn, outfn) /* open files and copy header */ |
| 107 |
< |
int hfd[2]; /* returned file descriptors */ |
| 108 |
< |
char *infn, *outfn; |
| 105 |
> |
static long |
| 106 |
> |
rhinitcopy( /* open files and copy header */ |
| 107 |
> |
int hfd[2], /* returned file descriptors */ |
| 108 |
> |
char *infn, |
| 109 |
> |
char *outfn |
| 110 |
> |
) |
| 111 |
|
{ |
| 112 |
|
FILE *infp, *outfp; |
| 113 |
|
long ifpos; |
| 116 |
|
sprintf(errmsg, "cannot open \"%s\" for reading", infn); |
| 117 |
|
error(SYSTEM, errmsg); |
| 118 |
|
} |
| 119 |
+ |
if (access(outfn, F_OK) == 0) { |
| 120 |
+ |
sprintf(errmsg, "output file \"%s\" already exists!", outfn); |
| 121 |
+ |
error(USER, errmsg); |
| 122 |
+ |
} |
| 123 |
|
if ((outfp = fopen(outfn, "w+")) == NULL) { |
| 124 |
|
sprintf(errmsg, "cannot open \"%s\" for writing", outfn); |
| 125 |
|
error(SYSTEM, errmsg); |
| 154 |
|
} |
| 155 |
|
|
| 156 |
|
|
| 157 |
+ |
static int |
| 158 |
+ |
nuniq( /* sort unique rays to front of beam list */ |
| 159 |
+ |
register RAYVAL *rva, |
| 160 |
+ |
int n |
| 161 |
+ |
) |
| 162 |
+ |
{ |
| 163 |
+ |
register int i, j; |
| 164 |
+ |
RAYVAL rtmp; |
| 165 |
+ |
|
| 166 |
+ |
for (j = 0; j < n; j++) |
| 167 |
+ |
for (i = j+1; i < n; i++) |
| 168 |
+ |
if ( rva[i].d == rva[j].d && |
| 169 |
+ |
rva[i].r[0][0]==rva[j].r[0][0] && |
| 170 |
+ |
rva[i].r[0][1]==rva[j].r[0][1] && |
| 171 |
+ |
rva[i].r[1][0]==rva[j].r[1][0] && |
| 172 |
+ |
rva[i].r[1][1]==rva[j].r[1][1] ) { |
| 173 |
+ |
n--; /* swap duplicate with end */ |
| 174 |
+ |
rtmp = *(rva+n); |
| 175 |
+ |
*(rva+n) = *(rva+i); |
| 176 |
+ |
*(rva+i) = rtmp; |
| 177 |
+ |
i--; /* recheck one we swapped */ |
| 178 |
+ |
} |
| 179 |
+ |
return(n); |
| 180 |
+ |
} |
| 181 |
+ |
|
| 182 |
+ |
|
| 183 |
|
static BEAMI *beamdir; |
| 184 |
|
|
| 185 |
|
static int |
| 186 |
< |
bpcmp(b1p, b2p) /* compare beam positions on disk */ |
| 187 |
< |
int *b1p, *b2p; |
| 186 |
> |
bpcmp( /* compare beam positions on disk */ |
| 187 |
> |
const void *b1p, |
| 188 |
> |
const void *b2p |
| 189 |
> |
) |
| 190 |
|
{ |
| 191 |
< |
register long pdif = beamdir[*b1p].fo - beamdir[*b2p].fo; |
| 191 |
> |
register off_t pdif = beamdir[*(int*)b1p].fo - beamdir[*(int*)b2p].fo; |
| 192 |
|
|
| 144 |
– |
if (pdif > 0L) return(1); |
| 193 |
|
if (pdif < 0L) return(-1); |
| 194 |
< |
return(0); |
| 194 |
> |
return(pdif > 0L); |
| 195 |
|
} |
| 196 |
|
|
| 197 |
|
static HOLO *hout; |
| 198 |
|
|
| 199 |
|
static int |
| 200 |
< |
xferclump(hp, bq, nb) /* transfer the given clump to hout and free */ |
| 201 |
< |
HOLO *hp; |
| 202 |
< |
int *bq, nb; |
| 200 |
> |
xferclump( /* transfer the given clump to hout and free */ |
| 201 |
> |
HOLO *hp, |
| 202 |
> |
int *bq, |
| 203 |
> |
int nb |
| 204 |
> |
) |
| 205 |
|
{ |
| 206 |
|
register int i; |
| 207 |
|
register BEAM *bp; |
| 208 |
+ |
int n; |
| 209 |
|
|
| 210 |
|
beamdir = hp->bi; /* sort based on file position */ |
| 211 |
< |
qsort((char *)bq, nb, sizeof(*bq), bpcmp); |
| 211 |
> |
qsort((void *)bq, nb, sizeof(*bq), bpcmp); |
| 212 |
|
/* transfer and free each beam */ |
| 213 |
|
for (i = 0; i < nb; i++) { |
| 214 |
|
bp = hdgetbeam(hp, bq[i]); |
| 215 |
< |
bcopy((char *)hdbray(bp), (char *)hdnewrays(hout,bq[i],bp->nrm), |
| 216 |
< |
bp->nrm*sizeof(RAYVAL)); |
| 215 |
> |
DCHECK(bp==NULL, CONSISTENCY, "empty beam in xferclump"); |
| 216 |
> |
n = dupchecking ? nuniq(hdbray(bp),bp->nrm) : bp->nrm; |
| 217 |
> |
memcpy((void *)hdnewrays(hout,bq[i],n),(void *)hdbray(bp), |
| 218 |
> |
n*sizeof(RAYVAL)); |
| 219 |
|
hdfreebeam(hp, bq[i]); |
| 220 |
|
} |
| 221 |
< |
hdflush(hout); /* write & free clump */ |
| 221 |
> |
hdfreebeam(hout, 0); /* write & free clump */ |
| 222 |
|
return(0); |
| 223 |
|
} |
| 224 |
|
|
| 225 |
< |
copysect(ifd, ofd) /* copy holodeck section from ifd to ofd */ |
| 226 |
< |
int ifd, ofd; |
| 225 |
> |
static void |
| 226 |
> |
copysect( /* copy holodeck section from ifd to ofd */ |
| 227 |
> |
int ifd, |
| 228 |
> |
int ofd |
| 229 |
> |
) |
| 230 |
|
{ |
| 231 |
|
HOLO *hinp; |
| 232 |
|
/* load input section directory */ |
| 241 |
|
} |
| 242 |
|
|
| 243 |
|
|
| 244 |
+ |
void |
| 245 |
|
eputs(s) /* put error message to stderr */ |
| 246 |
|
register char *s; |
| 247 |
|
{ |
| 261 |
|
} |
| 262 |
|
|
| 263 |
|
|
| 264 |
+ |
void |
| 265 |
|
quit(code) /* exit the program gracefully */ |
| 266 |
|
int code; |
| 267 |
|
{ |