--- ray/src/common/bmalloc.c	1990/09/25 18:56:04	1.1
+++ ray/src/common/bmalloc.c	1990/09/25 19:37:15	1.2
@@ -5,13 +5,17 @@ static char SCCSid[] = "$SunId$ LBL";
 #endif
 
 /*
- * Simple memory allocation without overhead
+ * Basic memory allocation w/o overhead.
+ * Calls malloc(3) for big requests.
  *
  */
 
+#define  NULL		0
+
 #ifndef  MBLKSIZ
 #define  MBLKSIZ	16376		/* size of memory allocation block */
 #endif
+#define  WASTEFRAC	4		/* don't waste more than this */
 #ifndef  ALIGN
 #define  ALIGN		int		/* type for alignment */
 #endif
@@ -22,11 +26,12 @@ char *
 bmalloc(n)		/* allocate a block of n bytes, no refunds */
 register unsigned  n;
 {
+	extern char  *malloc();
 	static char  *bpos = NULL;
 	static unsigned  nrem = 0;
 
-	if (n > MBLKSIZ/2)			/* too big for me */
-		return(malloc(n));
+	if (n > nrem && (n > MBLKSIZ || nrem > MBLKSIZ/WASTEFRAC))
+		return(malloc(n));			/* too big */
 
 	n = (n+(BYTES_WORD-1))&~(BYTES_WORD-1);		/* word align */