--- ray/src/common/bmalloc.c	1991/11/12 16:55:20	2.1
+++ ray/src/common/bmalloc.c	2003/07/17 09:21:29	2.5
@@ -1,49 +1,47 @@
-/* Copyright (c) 1991 Regents of the University of California */
-
 #ifndef lint
-static char SCCSid[] = "$SunId$ LBL";
+static const char	RCSid[] = "$Id: bmalloc.c,v 2.5 2003/07/17 09:21:29 schorsch Exp $";
 #endif
-
 /*
  * Bmalloc provides basic memory allocation without overhead (no free lists).
  * Use only to take the load off of malloc for all those
  * piddling little requests that you never expect to free.
  * Bmalloc defers to malloc for big requests.
  * Bfree should hand memory to bmalloc, but it usually fails here.
+ *
+ *  External symbols declared in standard.h
  */
 
-#define  NULL		0
+#include "copyright.h"
 
+#include <stdlib.h>
+
+#include "rtmisc.h"
+
 #ifndef  MBLKSIZ
 #define  MBLKSIZ	16376		/* size of memory allocation block */
 #endif
 #define  WASTEFRAC	12		/* don't waste more than a fraction */
-#ifndef  ALIGN
-#define  ALIGN		int		/* type for alignment */
+#ifndef  ALIGNT
+#define  ALIGNT		double		/* type for alignment */
 #endif
-#define  BYTES_WORD	sizeof(ALIGN)
+#define  BYTES_WORD	sizeof(ALIGNT)
 
-extern char  *malloc();
-
 static char  *bposition = NULL;
-static unsigned  nremain = 0;
+static unsigned int  nremain = 0;
 
 
 char *
-bmalloc(n)		/* allocate a block of n bytes, no refunds */
-register unsigned  n;
+bmalloc(n)		/* allocate a block of n bytes */
+register unsigned int  n;
 {
 	if (n > nremain && (n > MBLKSIZ || nremain > MBLKSIZ/WASTEFRAC))
 		return(malloc(n));			/* too big */
 
 	n = (n+(BYTES_WORD-1))&~(BYTES_WORD-1);		/* word align */
 
-	if (n > nremain) {
-		if ((bposition = malloc((unsigned)MBLKSIZ)) == NULL) {
-			nremain = 0;
-			return(NULL);
-		}
-		nremain = MBLKSIZ;
+	if (n > nremain && (bposition = (char *)malloc(nremain = MBLKSIZ)) == NULL) {
+		nremain = 0;
+		return(NULL);
 	}
 	bposition += n;
 	nremain -= n;
@@ -51,13 +49,14 @@ register unsigned  n;
 }
 
 
+void
 bfree(p, n)			/* free random memory */
 register char	*p;
-register unsigned	n;
+register unsigned int	n;
 {
-	register unsigned	bsiz;
+	register unsigned int	bsiz;
 					/* check alignment */
-	bsiz = BYTES_WORD - ((unsigned)p&(BYTES_WORD-1));
+	bsiz = BYTES_WORD - ((unsigned int)p&(BYTES_WORD-1));
 	if (bsiz < BYTES_WORD) {
 		p += bsiz;
 		n -= bsiz;