| 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 | + |  | 
| 16 |  | #ifndef BKBSIZE | 
| 17 |  | #define BKBSIZE         256             /* beam clump size (kilobytes) */ | 
| 18 |  | #endif | 
| 19 |  |  | 
| 20 |  | char    *progname; | 
| 21 |  | char    tempfile[128]; | 
| 22 | + | int     dupchecking = 0; | 
| 23 |  |  | 
| 24 | – | extern char     *rindex(); | 
| 25 | – | extern int      quit(); | 
| 24 |  | extern long     rhinitcopy(); | 
| 25 |  |  | 
| 26 |  |  | 
| 33 |  | long    nextipos, lastopos, thisopos; | 
| 34 |  |  | 
| 35 |  | progname = argv[0]; | 
| 36 | < | if (argc < 2 | argc > 3) { | 
| 37 | < | fprintf(stderr, "Usage: %s input.hdk [output.hdk]\n", progname); | 
| 36 | > | argv++; argc--;                 /* duplicate checking flag? */ | 
| 37 | > | if (argc > 1 && !strcmp(argv[0], "-u")) { | 
| 38 | > | dupchecking++; | 
| 39 | > | argv++; argc--; | 
| 40 | > | } | 
| 41 | > | if ((argc < 1) | (argc > 2)) { | 
| 42 | > | fprintf(stderr, "Usage: %s [-u] input.hdk [output.hdk]\n", | 
| 43 | > | progname); | 
| 44 |  | exit(1); | 
| 45 |  | } | 
| 46 | < | inpname = argv[1]; | 
| 47 | < | if (argc == 3)                  /* use given output file */ | 
| 48 | < | outname = argv[2]; | 
| 46 | > | inpname = argv[0];              /* get input file */ | 
| 47 | > | argv++; argc--; | 
| 48 | > | if (argc == 1)                  /* use given output file */ | 
| 49 | > | outname = argv[0]; | 
| 50 |  | else {                          /* else use temporary file */ | 
| 51 |  | if (access(inpname, R_OK|W_OK) < 0) {   /* check permissions */ | 
| 52 |  | sprintf(errmsg, "cannot access \"%s\"", inpname); | 
| 53 |  | error(SYSTEM, errmsg); | 
| 54 |  | } | 
| 55 |  | strcpy(tempfile, inpname); | 
| 56 | < | if ((outname = rindex(tempfile, '/')) != NULL) | 
| 56 | > | if ((outname = strrchr(tempfile, '/')) != NULL) | 
| 57 |  | outname++; | 
| 58 |  | else | 
| 59 |  | outname = tempfile; | 
| 65 |  | lastopos = 0L;                  /* copy sections one by one */ | 
| 66 |  | while (nextipos != 0L) { | 
| 67 |  | /* set input position; get next */ | 
| 68 | < | lseek(hdfd[0], nextipos, 0); | 
| 68 | > | lseek(hdfd[0], (off_t)nextipos, 0); | 
| 69 |  | read(hdfd[0], (char *)&nextipos, sizeof(nextipos)); | 
| 70 |  | /* get output position; set last */ | 
| 71 | < | thisopos = lseek(hdfd[1], 0L, 2); | 
| 71 | > | thisopos = lseek(hdfd[1], (off_t)0, 2); | 
| 72 |  | if (lastopos > 0L) { | 
| 73 | < | lseek(hdfd[1], lastopos, 0); | 
| 73 | > | lseek(hdfd[1], (off_t)lastopos, 0); | 
| 74 |  | write(hdfd[1], (char *)&thisopos, sizeof(thisopos)); | 
| 75 | < | lseek(hdfd[1], 0L, 2); | 
| 75 | > | lseek(hdfd[1], (off_t)0, 2); | 
| 76 |  | } | 
| 77 |  | lastopos = thisopos; | 
| 78 |  | thisopos = 0L;          /* write place holder */ | 
| 104 |  | sprintf(errmsg, "cannot open \"%s\" for reading", infn); | 
| 105 |  | error(SYSTEM, errmsg); | 
| 106 |  | } | 
| 107 | + | if (access(outfn, F_OK) == 0) { | 
| 108 | + | sprintf(errmsg, "output file \"%s\" already exists!", outfn); | 
| 109 | + | error(USER, errmsg); | 
| 110 | + | } | 
| 111 |  | if ((outfp = fopen(outfn, "w+")) == NULL) { | 
| 112 |  | sprintf(errmsg, "cannot open \"%s\" for writing", outfn); | 
| 113 |  | error(SYSTEM, errmsg); | 
| 142 |  | } | 
| 143 |  |  | 
| 144 |  |  | 
| 145 | < | static HOLO     *hout;          /* output holodeck section */ | 
| 145 | > | int | 
| 146 | > | nuniq(rva, n)                   /* sort unique rays to front of beam list */ | 
| 147 | > | register RAYVAL *rva; | 
| 148 | > | int     n; | 
| 149 | > | { | 
| 150 | > | register int    i, j; | 
| 151 | > | RAYVAL  rtmp; | 
| 152 |  |  | 
| 153 | + | for (j = 0; j < n; j++) | 
| 154 | + | for (i = j+1; i < n; i++) | 
| 155 | + | if ( rva[i].d == rva[j].d && | 
| 156 | + | rva[i].r[0][0]==rva[j].r[0][0] && | 
| 157 | + | rva[i].r[0][1]==rva[j].r[0][1] && | 
| 158 | + | rva[i].r[1][0]==rva[j].r[1][0] && | 
| 159 | + | rva[i].r[1][1]==rva[j].r[1][1] ) { | 
| 160 | + | n--;            /* swap duplicate with end */ | 
| 161 | + | rtmp = *(rva+n); | 
| 162 | + | *(rva+n) = *(rva+i); | 
| 163 | + | *(rva+i) = rtmp; | 
| 164 | + | i--;            /* recheck one we swapped */ | 
| 165 | + | } | 
| 166 | + | return(n); | 
| 167 | + | } | 
| 168 | + |  | 
| 169 | + |  | 
| 170 | + | static BEAMI    *beamdir; | 
| 171 | + |  | 
| 172 |  | static int | 
| 173 | < | xferbeam(bp, hb)                /* transfer the given beam to hout and free */ | 
| 174 | < | register BEAM   *bp; | 
| 141 | < | HDBEAMI *hb; | 
| 173 | > | bpcmp(b1p, b2p)                 /* compare beam positions on disk */ | 
| 174 | > | int     *b1p, *b2p; | 
| 175 |  | { | 
| 176 | < | bcopy((char *)hdbray(bp), (char *)hdnewrays(hout,hb->b,bp->nrm), | 
| 177 | < | bp->nrm*sizeof(RAYVAL)); | 
| 178 | < | hdfreebeam(hb->h, hb->b); | 
| 176 | > | register off_t  pdif = beamdir[*b1p].fo - beamdir[*b2p].fo; | 
| 177 | > |  | 
| 178 | > | if (pdif < 0L) return(-1); | 
| 179 | > | return(pdif > 0L); | 
| 180 | > | } | 
| 181 | > |  | 
| 182 | > | static HOLO     *hout; | 
| 183 | > |  | 
| 184 | > | static int | 
| 185 | > | xferclump(hp, bq, nb)           /* transfer the given clump to hout and free */ | 
| 186 | > | HOLO    *hp; | 
| 187 | > | int     *bq, nb; | 
| 188 | > | { | 
| 189 | > | register int    i; | 
| 190 | > | register BEAM   *bp; | 
| 191 | > | int     n; | 
| 192 | > |  | 
| 193 | > | beamdir = hp->bi;               /* sort based on file position */ | 
| 194 | > | qsort((void *)bq, nb, sizeof(*bq), bpcmp); | 
| 195 | > | /* transfer and free each beam */ | 
| 196 | > | for (i = 0; i < nb; i++) { | 
| 197 | > | bp = hdgetbeam(hp, bq[i]); | 
| 198 | > | DCHECK(bp==NULL, CONSISTENCY, "empty beam in xferclump"); | 
| 199 | > | n = dupchecking ? nuniq(hdbray(bp),bp->nrm) : bp->nrm; | 
| 200 | > | memcpy((void *)hdnewrays(hout,bq[i],n),(void *)hdbray(bp), | 
| 201 | > | n*sizeof(RAYVAL)); | 
| 202 | > | hdfreebeam(hp, bq[i]); | 
| 203 | > | } | 
| 204 | > | hdfreebeam(hout, 0);            /* write & free clump */ | 
| 205 |  | return(0); | 
| 206 |  | } | 
| 207 |  |  | 
| 214 |  | /* create output section directory */ | 
| 215 |  | hout = hdinit(ofd, (HDGRID *)hinp); | 
| 216 |  | /* clump the beams */ | 
| 217 | < | clumpbeams(hinp, 0, BKBSIZE*1024, xferbeam); | 
| 217 | > | clumpbeams(hinp, 0, BKBSIZE*1024, xferclump); | 
| 218 |  | /* clean up */ | 
| 219 |  | hddone(hinp); | 
| 220 |  | hddone(hout); | 
| 221 |  | } | 
| 222 |  |  | 
| 223 |  |  | 
| 224 | + | void | 
| 225 |  | eputs(s)                        /* put error message to stderr */ | 
| 226 |  | register char  *s; | 
| 227 |  | { | 
| 241 |  | } | 
| 242 |  |  | 
| 243 |  |  | 
| 244 | + | void | 
| 245 |  | quit(code)                      /* exit the program gracefully */ | 
| 246 |  | int     code; | 
| 247 |  | { |