--- ray/src/hd/rhoptimize.c	1999/02/01 09:56:18	3.7
+++ ray/src/hd/rhoptimize.c	2004/01/01 11:21:55	3.18
@@ -1,19 +1,22 @@
-/* Copyright (c) 1999 Silicon Graphics, Inc. */
-
 #ifndef lint
-static char SCCSid[] = "$SunId$ SGI";
+static const char	RCSid[] = "$Id: rhoptimize.c,v 3.18 2004/01/01 11:21:55 schorsch Exp $";
 #endif
-
 /*
  * Optimize holodeck for quick access.
  *
  *	11/4/98		Greg Ward Larson
  */
 
-#include "holo.h"
-
 #include <signal.h>
+#include <string.h>
+#include <stdio.h>
 
+#include "platform.h"
+#include "rterror.h"
+#include "resolu.h"
+#include "rtprocess.h" /* getpid() */
+#include "holo.h"
+
 #ifndef BKBSIZE
 #define BKBSIZE		256		/* beam clump size (kilobytes) */
 #endif
@@ -22,14 +25,18 @@ char	*progname;
 char	tempfile[128];
 int	dupchecking = 0;
 
-extern char	*rindex();
-extern int	quit();
-extern long	rhinitcopy();
+static long rhinitcopy(int hfd[2], char *infn, char *outfn);
+static int nuniq(RAYVAL *rva, int n);
+static int bpcmp(const void *b1p, const void *b2p);
+static int xferclump(HOLO *hp, int *bq, int nb);
+static void copysect(int ifd, int ofd);
 
 
-main(argc, argv)
-int	argc;
-char	*argv[];
+int
+main(
+	int	argc,
+	char	*argv[]
+)
 {
 	char	*inpname, *outname;
 	int	hdfd[2];
@@ -41,7 +48,7 @@ char	*argv[];
 		dupchecking++;
 		argv++; argc--;
 	}
-	if (argc < 1 | argc > 2) {
+	if ((argc < 1) | (argc > 2)) {
 		fprintf(stderr, "Usage: %s [-u] input.hdk [output.hdk]\n",
 				progname);
 		exit(1);
@@ -56,7 +63,7 @@ char	*argv[];
 			error(SYSTEM, errmsg);
 		}
 		strcpy(tempfile, inpname);
-		if ((outname = rindex(tempfile, '/')) != NULL)
+		if ((outname = strrchr(tempfile, '/')) != NULL)
 			outname++;
 		else
 			outname = tempfile;
@@ -68,14 +75,14 @@ char	*argv[];
 	lastopos = 0L;			/* copy sections one by one */
 	while (nextipos != 0L) {
 					/* set input position; get next */
-		lseek(hdfd[0], nextipos, 0);
+		lseek(hdfd[0], (off_t)nextipos, SEEK_SET);
 		read(hdfd[0], (char *)&nextipos, sizeof(nextipos));
 					/* get output position; set last */
-		thisopos = lseek(hdfd[1], 0L, 2);
+		thisopos = lseek(hdfd[1], (off_t)0, SEEK_END);
 		if (lastopos > 0L) {
-			lseek(hdfd[1], lastopos, 0);
+			lseek(hdfd[1], (off_t)lastopos, SEEK_SET);
 			write(hdfd[1], (char *)&thisopos, sizeof(thisopos));
-			lseek(hdfd[1], 0L, 2);
+			lseek(hdfd[1], (off_t)0, SEEK_END);
 		}
 		lastopos = thisopos;
 		thisopos = 0L;		/* write place holder */
@@ -91,14 +98,16 @@ char	*argv[];
 				outname, inpname);
 		error(SYSTEM, errmsg);
 	}
-	exit(0);
+	return 0;
 }
 
 
-long
-rhinitcopy(hfd, infn, outfn)	/* open files and copy header */
-int	hfd[2];			/* returned file descriptors */
-char	*infn, *outfn;
+static long
+rhinitcopy(	/* open files and copy header */
+	int	hfd[2],			/* returned file descriptors */
+	char	*infn,
+	char	*outfn
+)
 {
 	FILE	*infp, *outfp;
 	long	ifpos;
@@ -107,6 +116,10 @@ char	*infn, *outfn;
 		sprintf(errmsg, "cannot open \"%s\" for reading", infn);
 		error(SYSTEM, errmsg);
 	}
+	if (access(outfn, F_OK) == 0) {
+		sprintf(errmsg, "output file \"%s\" already exists!", outfn);
+		error(USER, errmsg);
+	}
 	if ((outfp = fopen(outfn, "w+")) == NULL) {
 		sprintf(errmsg, "cannot open \"%s\" for writing", outfn);
 		error(SYSTEM, errmsg);
@@ -141,10 +154,11 @@ char	*infn, *outfn;
 }
 
 
-int
-nuniq(rva, n)			/* sort unique rays to front of beam list */
-register RAYVAL	*rva;
-int	n;
+static int
+nuniq(			/* sort unique rays to front of beam list */
+	register RAYVAL	*rva,
+	int	n
+)
 {
 	register int	i, j;
 	RAYVAL	rtmp;
@@ -157,9 +171,9 @@ int	n;
 					rva[i].r[1][0]==rva[j].r[1][0] &&
 					rva[i].r[1][1]==rva[j].r[1][1] ) {
 				n--;		/* swap duplicate with end */
-				copystruct(&rtmp, rva+n);
-				copystruct(rva+n, rva+i);
-				copystruct(rva+i, &rtmp);
+				rtmp = *(rva+n);
+				*(rva+n) = *(rva+i);
+				*(rva+i) = rtmp;
 				i--;		/* recheck one we swapped */
 			}
 	return(n);
@@ -169,10 +183,12 @@ int	n;
 static BEAMI	*beamdir;
 
 static int
-bpcmp(b1p, b2p)			/* compare beam positions on disk */
-int	*b1p, *b2p;
+bpcmp(			/* compare beam positions on disk */
+	const void	*b1p,
+	const void	*b2p
+)
 {
-	register long	pdif = beamdir[*b1p].fo - beamdir[*b2p].fo;
+	register off_t	pdif = beamdir[*(int*)b1p].fo - beamdir[*(int*)b2p].fo;
 
 	if (pdif < 0L) return(-1);
 	return(pdif > 0L);
@@ -181,22 +197,24 @@ int	*b1p, *b2p;
 static HOLO	*hout;
 
 static int
-xferclump(hp, bq, nb)		/* transfer the given clump to hout and free */
-HOLO	*hp;
-int	*bq, nb;
+xferclump(		/* transfer the given clump to hout and free */
+	HOLO	*hp,
+	int	*bq,
+	int	nb
+)
 {
 	register int	i;
 	register BEAM	*bp;
 	int	n;
 
 	beamdir = hp->bi;		/* sort based on file position */
-	qsort((char *)bq, nb, sizeof(*bq), bpcmp);
+	qsort((void *)bq, nb, sizeof(*bq), bpcmp);
 					/* transfer and free each beam */
 	for (i = 0; i < nb; i++) {
 		bp = hdgetbeam(hp, bq[i]);
 		DCHECK(bp==NULL, CONSISTENCY, "empty beam in xferclump");
 		n = dupchecking ? nuniq(hdbray(bp),bp->nrm) : bp->nrm;
-		bcopy((char *)hdbray(bp), (char *)hdnewrays(hout,bq[i],n),
+		memcpy((void *)hdnewrays(hout,bq[i],n),(void *)hdbray(bp), 
 				n*sizeof(RAYVAL));
 		hdfreebeam(hp, bq[i]);
 	}
@@ -204,8 +222,11 @@ int	*bq, nb;
 	return(0);
 }
 
-copysect(ifd, ofd)		/* copy holodeck section from ifd to ofd */
-int	ifd, ofd;
+static void
+copysect(		/* copy holodeck section from ifd to ofd */
+	int	ifd,
+	int	ofd
+)
 {
 	HOLO	*hinp;
 					/* load input section directory */
@@ -220,6 +241,7 @@ int	ifd, ofd;
 }
 
 
+void
 eputs(s)			/* put error message to stderr */
 register char  *s;
 {
@@ -239,6 +261,7 @@ register char  *s;
 }
 
 
+void
 quit(code)			/* exit the program gracefully */
 int	code;
 {