--- ray/src/hd/holofile.c	2003/06/30 14:59:11	3.49
+++ ray/src/hd/holofile.c	2003/10/22 02:06:34	3.54
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: holofile.c,v 3.49 2003/06/30 14:59:11 schorsch Exp $";
+static const char	RCSid[] = "$Id: holofile.c,v 3.54 2003/10/22 02:06:34 greg Exp $";
 #endif
 /*
  * Routines for managing holodeck files
@@ -11,6 +11,8 @@ static const char	RCSid[] = "$Id: holofile.c,v 3.49 20
 
 #include <string.h>
 
+#include "platform.h"
+
 #include "holo.h"
 
 #ifndef CACHESIZE
@@ -78,7 +80,7 @@ HDGRID	*hproto;
 	if ((hp = (HOLO *)malloc(n)) == NULL)
 		return(NULL);
 				/* copy header information */
-	copystruct(hp, &hdhead);
+	*hp = hdhead;
 				/* allocate and clear beam list */
 	hp->bl = (BEAM **)malloc((nbeams(hp)+1)*sizeof(BEAM *)+sizeof(BEAM));
 	if (hp->bl == NULL) {
@@ -133,7 +135,8 @@ int	wr;
 	}
 	hdfragl[fd].nlinks++;
 	hdfragl[fd].writable = wr;		/* set writable flag */
-	hdfragl[fd].flen = lseek(fd, (off_t)0, 2);	/* get file length */
+						/* get file length */
+	hdfragl[fd].flen = lseek(fd, (off_t)0, SEEK_END);
 }
 
 
@@ -143,7 +146,7 @@ int	wr;
 hdrelease(fd)		/* stop tracking file fragments for some section */
 register int	fd;
 {
-	if (fd < 0 | fd >= nhdfragls || !hdfragl[fd].nlinks)
+	if ((fd < 0) | (fd >= nhdfragls) || !hdfragl[fd].nlinks)
 		return;
 	if (!--hdfragl[fd].nlinks && hdfragl[fd].nfrags) {
 		free((void *)hdfragl[fd].fi);
@@ -165,7 +168,7 @@ HDGRID	*hproto;		/* holodeck section grid */
 	register int	n;
 					/* prepare for system errors */
 	errno = 0;
-	if ((fpos = lseek(fd, (off_t)0, 1)) < 0)
+	if ((fpos = lseek(fd, (off_t)0, SEEK_CUR)) < 0)
 		error(SYSTEM, "cannot determine holodeck file position");
 	if (hproto == NULL) {		/* assume we're loading it */
 		HDGRID	hpr;
@@ -190,7 +193,7 @@ HDGRID	*hproto;		/* holodeck section grid */
 		if (fd < nhdfragls && hdfragl[fd].nlinks)
 			writable = hdfragl[fd].writable;
 		else
-			writable = lseek(fd, fpos, 0) == fpos &&
+			writable = lseek(fd, fpos, SEEK_SET) == fpos &&
 				write(fd, (char *)hp, sizeof(HDGRID)) ==
 							sizeof(HDGRID);
 	} else {			/* else assume we're creating it */
@@ -213,12 +216,13 @@ HDGRID	*hproto;		/* holodeck section grid */
 	fpos = hdfilen(fd);
 	biglob(hp)->nrd = rtrunc = 0;
 	for (n = hproto == NULL ? nbeams(hp) : 0; n > 0; n--)
-		if (hp->bi[n].nrd)
+		if (hp->bi[n].nrd) {
 			if (hp->bi[n].fo+hp->bi[n].nrd*sizeof(RAYVAL) > fpos) {
 				rtrunc += hp->bi[n].nrd;
 				hp->bi[n].nrd = 0;
 			} else
 				biglob(hp)->nrd += hp->bi[n].nrd;
+		}
 	if (rtrunc) {
 		sprintf(errmsg, "truncated section, %ld rays lost (%.1f%%)",
 				rtrunc, 100.*rtrunc/(rtrunc+biglob(hp)->nrd));
@@ -246,8 +250,9 @@ int	i;
 	register int	j;
 
 	if (!hp->dirty++) {			/* write smudge first time */
-		if (lseek(hp->fd, biglob(hp)->fo+(i-1)*sizeof(BEAMI), 0) < 0
-				|| write(hp->fd, (char *)&smudge,
+		if (lseek(hp->fd, biglob(hp)->fo+(i-1)*sizeof(BEAMI),
+					SEEK_SET) < 0 ||
+				write(hp->fd, (char *)&smudge,
 					sizeof(BEAMI)) != sizeof(BEAMI))
 			error(SYSTEM, "seek/write error in hdmarkdirty");
 		hp->dirseg[0].s = i;
@@ -261,7 +266,7 @@ int	i;
 			hp->dirseg[j].n = 1;
 			break;
 		}
-		copystruct(hp->dirseg+j, hp->dirseg+(j-1));
+		*(hp->dirseg+j) = *(hp->dirseg+(j-1));
 	}
 	do {				/* check neighbors */
 		mindist = nbeams(hp);		/* find closest */
@@ -283,7 +288,7 @@ int	i;
 					hp->dirseg[minpos].n - hp->dirseg[j].s;
 		hp->dirty--;
 		while (++j < hp->dirty)		/* close the gap */
-			copystruct(hp->dirseg+j, hp->dirseg+(j+1));
+			*(hp->dirseg+j) = *(hp->dirseg+(j+1));
 	} while (mindist <= MINDIRSEL);
 }
 
@@ -310,7 +315,7 @@ int	all;
 	errno = 0;			/* write dirty segments */
 	for (j = 0; j < hp->dirty; j++) {
 		if (lseek(hp->fd, biglob(hp)->fo +
-				(hp->dirseg[j].s-1)*sizeof(BEAMI), 0) < 0)
+			    (hp->dirseg[j].s-1)*sizeof(BEAMI), SEEK_SET) < 0)
 			error(SYSTEM, "cannot seek on holodeck file");
 		n = hp->dirseg[j].n * sizeof(BEAMI);
 		if (write(hp->fd, (char *)(hp->bi+hp->dirseg[j].s), n) != n)
@@ -359,10 +364,10 @@ int	fd;
 	if (fd < 0)
 		return(-1);
 	if (fd >= nhdfragls || !hdfragl[fd].nlinks) {
-		if ((fpos = lseek(fd, (off_t)0, 1)) < 0)
+		if ((fpos = lseek(fd, (off_t)0, SEEK_CUR)) < 0)
 			return(-1);
-		flen = lseek(fd, (off_t)0, 2);
-		lseek(fd, fpos, 0);
+		flen = lseek(fd, (off_t)0, SEEK_END);
+		lseek(fd, fpos, SEEK_SET);
 		return(flen);
 	}
 	return(hdfragl[fd].flen);
@@ -405,7 +410,7 @@ int	nr;			/* number of new rays desired */
 	int	n;
 
 	if (nr <= 0) return(NULL);
-	CHECK(i < 1 | i > nbeams(hp),
+	CHECK((i < 1) | (i > nbeams(hp)),
 			CONSISTENCY, "bad beam index given to hdnewrays");
 	if (hp->bl[i] != NULL)
 		hp->bl[i]->tick = hdclock;	/* preempt swap */
@@ -417,7 +422,7 @@ int	nr;			/* number of new rays desired */
 		blglob(hp)->nrm += n;
 		if ((n = hp->bl[i]->nrm = hp->bi[i].nrd)) {
 			errno = 0;
-			if (lseek(hp->fd, hp->bi[i].fo, 0) < 0)
+			if (lseek(hp->fd, hp->bi[i].fo, SEEK_SET) < 0)
 				error(SYSTEM, "seek error on holodeck file");
 			n *= sizeof(RAYVAL);
 			if (read(hp->fd, (char *)hdbray(hp->bl[i]), n) != n)
@@ -446,7 +451,7 @@ register int	i;
 {
 	register int	n;
 
-	CHECK(i < 1 | i > nbeams(hp),
+	CHECK((i < 1) | (i > nbeams(hp)),
 			CONSISTENCY, "bad beam index given to hdgetbeam");
 	if (hp->bl[i] == NULL) {		/* load from disk */
 		if (!(n = hp->bi[i].nrd))
@@ -456,7 +461,7 @@ register int	i;
 		hp->bl[i] = (BEAM *)hdrealloc(NULL, hdbsiz(n), "hdgetbeam");
 		blglob(hp)->nrm += hp->bl[i]->nrm = n;
 		errno = 0;
-		if (lseek(hp->fd, hp->bi[i].fo, 0) < 0)
+		if (lseek(hp->fd, hp->bi[i].fo, SEEK_SET) < 0)
 			error(SYSTEM, "seek error on holodeck file");
 		n *= sizeof(RAYVAL);
 		if (read(hp->fd, (char *)hdbray(hp->bl[i]), n) != n)
@@ -491,7 +496,7 @@ register HDBEAMI	*hb1, *hb2;
 hdloadbeams(hb, n, bf)	/* load a list of beams in optimal order */
 register HDBEAMI	*hb;	/* list gets sorted by hdfilord() */
 int	n;			/* list length */
-int	(*bf)();		/* callback function (optional) */
+void	(*bf)();		/* callback function (optional) */
 {
 	unsigned	origcachesize, memuse;
 	int	bytesloaded, needbytes, bytes2free;
@@ -500,7 +505,7 @@ int	(*bf)();		/* callback function (optional) */
 					/* precheck consistency */
 	if (n <= 0) return;
 	for (i = n; i--; )
-		if (hb[i].h==NULL || hb[i].b<1 | hb[i].b>nbeams(hb[i].h))
+		if (hb[i].h==NULL || (hb[i].b<1) | (hb[i].b>nbeams(hb[i].h)))
 			error(CONSISTENCY, "bad beam in hdloadbeams");
 					/* sort list for optimal access */
 	qsort((void *)hb, n, sizeof(HDBEAMI), hdfilord);
@@ -555,7 +560,7 @@ int	i;
 				if (++k >= f->nfrags)
 					goto endloop;
 			if (k > j)
-				copystruct(f->fi+j, f->fi+k);
+				*(f->fi+j) = *(f->fi+k);
 		}
 	endloop:
 		f->nfrags = j;
@@ -587,7 +592,7 @@ int	i;
 			f->fi[j].nrd = bi->nrd;
 			break;
 		}
-		copystruct(f->fi+j, f->fi+(j-1));
+		*(f->fi+j) = *(f->fi+(j-1));
 	}
 					/* coalesce adjacent fragments */
 						/* successors never empty */
@@ -621,7 +626,7 @@ register int32	*listsiz;
 	register struct fraglist	*f;
 	register int	i;
 
-	if (fd < 0 | fd >= nhdfragls || !(f = &hdfragl[fd])->nlinks)
+	if ((fd < 0) | (fd >= nhdfragls) || !(f = &hdfragl[fd])->nlinks)
 		return(0);		/* listless */
 	if (listlen != NULL)
 		*listlen = f->nfrags;
@@ -687,7 +692,7 @@ register int	i;
 	if (nrays) {			/* get and write new fragment */
 		nfo = hdallocfrag(hp->fd, nrays);
 		errno = 0;
-		if (lseek(hp->fd, nfo, 0) < 0)
+		if (lseek(hp->fd, nfo, SEEK_SET) < 0)
 			error(SYSTEM, "cannot seek on holodeck file");
 		n = hp->bl[i]->nrm * sizeof(RAYVAL);
 		if (write(hp->fd, (char *)hdbray(hp->bl[i]), n) != n) {
@@ -761,7 +766,7 @@ register int	i;
 		return(nchanged);
 	}
 	if (i == 0) {			/* clobber entire holodeck */
-		if (biglob(hp)->nrd == 0 & blglob(hp)->nrm == 0)
+		if ((biglob(hp)->nrd == 0) & (blglob(hp)->nrm == 0))
 			return(0);		/* already empty */
 		nchanged = 0;
 		nchanged = 0;
@@ -817,7 +822,7 @@ register HOLO	*hp;			/* section we're adding from */
 				hb[j].b = i;
 				break;
 			}
-			copystruct(hb+j, hb+(j-1));
+			*(hb+j) = *(hb+(j-1));
 		}
 	}
 	return(nents);			/* return new list length */