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#include "holo.h" |
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#include <signal.h> |
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#ifndef BKBSIZE |
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#define BKBSIZE 256 /* beam clump size (kilobytes) */ |
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#endif |
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#define clrfl(p,i) flgop(p,i,&=~) |
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char *progname; |
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char tempfile[128]; |
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extern char *rindex(); |
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extern int quit(); |
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extern long rhinitcopy(); |
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int argc; |
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char *argv[]; |
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{ |
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char nambuf[128]; |
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char *inpname, *outname; |
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int hdfd[2]; |
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long nextipos, lastopos, thisopos; |
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inpname = argv[1]; |
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if (argc == 3) /* use given output file */ |
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outname = argv[2]; |
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else { /* else create temporary file */ |
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strcpy(nambuf, inpname); |
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if ((outname = strrchr(nambuf, '/')) != NULL) |
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else { /* else use temporary file */ |
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if (access(inpname, R_OK|W_OK) < 0) { /* check permissions */ |
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sprintf(errmsg, "cannot access \"%s\"", inpname); |
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error(SYSTEM, errmsg); |
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} |
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strcpy(tempfile, inpname); |
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if ((outname = rindex(tempfile, '/')) != NULL) |
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outname++; |
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else |
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outname = nambuf; |
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outname = tempfile; |
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sprintf(outname, "rho%d.hdk", getpid()); |
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outname = nambuf; |
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outname = tempfile; |
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} |
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/* copy holodeck file header */ |
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nextipos = rhinitcopy(hdfd, inpname, outname); |
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/* clean up */ |
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close(hdfd[0]); |
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close(hdfd[1]); |
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if (argc == 2 && rename(outname, inpname) < 0) { |
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if (outname == tempfile && rename(outname, inpname) < 0) { |
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sprintf(errmsg, "cannot rename \"%s\" to \"%s\"", |
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outname, inpname); |
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error(SYSTEM, errmsg); |
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sprintf(errmsg, "cannot open \"%s\" for writing", outfn); |
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error(SYSTEM, errmsg); |
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} |
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/* set up signal handling */ |
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if (signal(SIGINT, quit) == SIG_IGN) signal(SIGINT, SIG_IGN); |
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if (signal(SIGHUP, quit) == SIG_IGN) signal(SIGHUP, SIG_IGN); |
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if (signal(SIGTERM, quit) == SIG_IGN) signal(SIGTERM, SIG_IGN); |
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#ifdef SIGXCPU |
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if (signal(SIGXCPU, quit) == SIG_IGN) signal(SIGXCPU, SIG_IGN); |
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if (signal(SIGXFSZ, quit) == SIG_IGN) signal(SIGXFSZ, SIG_IGN); |
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#endif |
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/* copy and verify header */ |
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if (checkheader(infp, HOLOFMT, outfp) < 0 || |
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getw(infp) != HOLOMAGIC) |
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if (checkheader(infp, HOLOFMT, outfp) < 0 || getw(infp) != HOLOMAGIC) |
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error(USER, "input not in holodeck format"); |
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fputformat(HOLOFMT, outfp); |
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fputc('\n', outfp); |
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fclose(infp); |
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if (fclose(outfp) == EOF) |
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error(SYSTEM, "file flushing error in rhinitcopy"); |
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/* we flush everything manually */ |
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/* flush everything manually hence */ |
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hdcachesize = 0; |
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/* return input position */ |
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return(ifpos); |
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bneighrem = 0; |
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for (i = 9; i--; ) |
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for (j = 9; j--; ) { |
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if (i == 4 & j == 4) |
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if (i == 4 & j == 4) /* don't copy starting beam */ |
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continue; |
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if (wg0[i].w == wg1[j].w) |
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continue; |
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{ |
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register long pdif = beamdir[*b1p].fo - beamdir[*b2p].fo; |
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if (pdif > 0) return(1); |
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if (pdif < 0) return(-1); |
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if (pdif > 0L) return(1); |
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if (pdif < 0L) return(-1); |
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return(0); |
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} |
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hout = hdinit(ofd, (HDGRID *)hinp); |
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/* allocate beam queue */ |
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bqueue = (int *)malloc(nbeams(hinp)*sizeof(int)); |
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bflags = (int4 *)calloc((nbeams(hinp)>>3)+1, sizeof(int4)); |
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bflags = (unsigned int4 *)calloc((nbeams(hinp)>>5)+1, |
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sizeof(unsigned int4)); |
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if (bqueue == NULL | bflags == NULL) |
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error(SYSTEM, "out of memory in copysect"); |
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/* mark empty beams as done */ |
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for (i = nbeams(hinp); i-- > 0; ) |
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for (i = nbeams(hinp); i > 0; i--) |
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if (!hinp->bi[i].nrd) |
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setfl(bflags, i); |
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/* pick a good prime step size */ |
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continue; |
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bqueue[0] = bci; /* initialize queue */ |
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bqlen = 1; |
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bqtotal = bnrays(hinp, bci); |
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bqtotal = hinp->bi[bci].nrd; |
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setfl(bflags, bci); |
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/* run through growing queue */ |
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for (bqc = 0; bqc < bqlen; bqc++) { |
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if (isset(bflags, i)) /* done already? */ |
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continue; |
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bqueue[bqlen++] = i; /* add it */ |
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bqtotal += bnrays(hinp, i); |
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bqtotal += hinp->bi[i].nrd; |
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setfl(bflags, i); |
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if (bqtotal >= BKBSIZE*1024/sizeof(RAYVAL)) |
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break; /* queue full */ |
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quit(code) /* exit the program gracefully */ |
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int code; |
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{ |
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hdsync(NULL, 1); /* write out any buffered data */ |
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if (tempfile[0]) |
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unlink(tempfile); |
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exit(code); |
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} |