--- ray/src/util/rcollate.c	2014/09/18 00:12:42	2.19
+++ ray/src/util/rcollate.c	2016/04/16 00:42:16	2.24
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char RCSid[] = "$Id: rcollate.c,v 2.19 2014/09/18 00:12:42 greg Exp $";
+static const char RCSid[] = "$Id: rcollate.c,v 2.24 2016/04/16 00:42:16 greg Exp $";
 #endif
 /*
  * Utility to re-order records in a binary or ASCII data file (matrix)
@@ -11,22 +11,15 @@ static const char RCSid[] = "$Id: rcollate.c,v 2.19 20
 #include "platform.h"
 #include "rtio.h"
 #include "resolu.h"
-#ifdef _WIN32
-#undef ftello
-#define	ftello	ftell
-#undef ssize_t
-#define ssize_t	size_t
+#if defined(_WIN32) || defined(_WIN64)
+  #undef ftello
+  #define	ftello	ftell
+  #undef ssize_t
+  #define ssize_t	size_t
 #else
-#include <sys/mman.h>
+  #include <sys/mman.h>
 #endif
 
-#ifdef getc_unlocked            /* avoid horrendous overhead of flockfile */
-#undef getc
-#undef putc
-#define getc    getc_unlocked
-#define putc    putc_unlocked
-#endif
-
 typedef struct {
 	void	*base;		/* pointer to base memory */
 	size_t	len;		/* allocated memory length */
@@ -57,6 +50,41 @@ free_load(MEMLOAD *mp)
 	mp->len = 0;
 }
 
+/* load memory from an input stream, starting from current position */
+static int
+load_stream(MEMLOAD *mp, FILE *fp)
+{
+	size_t	alloced = 0;
+	char	buf[8192];
+	size_t	nr;
+
+	if (mp == NULL)
+		return(-1);
+	mp->base = NULL;
+	mp->len = 0;
+	mp->mapped = 0;
+	if (fp == NULL)
+		return(-1);
+	while ((nr = fread(buf, 1, sizeof(buf), fp)) > 0) {
+		if (!alloced)
+			mp->base = malloc(alloced = nr);
+		else if (mp->len+nr > alloced)
+			mp->base = realloc(mp->base,
+				alloced = alloced*(2+(nr==sizeof(buf)))/2+nr);
+		if (mp->base == NULL)
+			return(-1);
+		memcpy((char *)mp->base + mp->len, buf, nr);
+		mp->len += nr;
+	}
+	if (ferror(fp)) {
+		free_load(mp);
+		return(-1);
+	}
+	if (alloced > mp->len*5/4)	/* don't waste too much space */
+		mp->base = realloc(mp->base, mp->len);
+	return(mp->len > 0);
+}
+
 /* load a file into memory */
 static int
 load_file(MEMLOAD *mp, FILE *fp)
@@ -64,6 +92,10 @@ load_file(MEMLOAD *mp, FILE *fp)
 	int	fd;
 	off_t	skip, flen;
 
+#if defined(_WIN32) || defined(_WIN64)
+				/* too difficult to fix this */
+	return load_stream(mp, fp);
+#endif
 	if (mp == NULL)
 		return(-1);
 	mp->base = NULL;
@@ -99,41 +131,6 @@ load_file(MEMLOAD *mp, FILE *fp)
 	return(1);
 }
 
-/* load memory from an input stream, starting from current position */
-static int
-load_stream(MEMLOAD *mp, FILE *fp)
-{
-	size_t	alloced = 0;
-	char	buf[8192];
-	size_t	nr;
-
-	if (mp == NULL)
-		return(-1);
-	mp->base = NULL;
-	mp->len = 0;
-	mp->mapped = 0;
-	if (fp == NULL)
-		return(-1);
-	while ((nr = fread(buf, 1, sizeof(buf), fp)) > 0) {
-		if (!alloced)
-			mp->base = malloc(nr);
-		else if (mp->len+nr > alloced)
-			mp->base = realloc(mp->base,
-				alloced = alloced*(2+(nr==sizeof(buf)))/2+nr);
-		if (mp->base == NULL)
-			return(-1);
-		memcpy((char *)mp->base + mp->len, buf, nr);
-		mp->len += nr;
-	}
-	if (ferror(fp)) {
-		free_load(mp);
-		return(-1);
-	}
-	if (alloced > mp->len*5/4)	/* don't waste too much space */
-		mp->base = realloc(mp->base, mp->len);
-	return(mp->len > 0);
-}
-
 /* free a record index */
 #define free_records(rp)	free(rp)
 
@@ -141,6 +138,7 @@ load_stream(MEMLOAD *mp, FILE *fp)
 static RECINDEX *
 index_records(const MEMLOAD *mp, int nw_rec)
 {
+	int		nall = 0;
 	RECINDEX	*rp;
 	char		*cp, *mend;
 	int		n;
@@ -149,7 +147,8 @@ index_records(const MEMLOAD *mp, int nw_rec)
 		return(NULL);
 	if (nw_rec <= 0)
 		return(NULL);
-	rp = (RECINDEX *)malloc(sizeof(RECINDEX) + mp->len/(2*nw_rec)*sizeof(char *));
+	nall = 1000;
+	rp = (RECINDEX *)malloc(sizeof(RECINDEX) + nall*sizeof(char *));
 	if (rp == NULL)
 		return(NULL);
 	rp->nw_rec = nw_rec;
@@ -161,6 +160,13 @@ index_records(const MEMLOAD *mp, int nw_rec)
 			++cp;
 		if (cp >= mend)
 			break;
+		if (rp->nrecs >= nall) {
+			nall += nall>>1;	/* get more record space */
+			rp = (RECINDEX *)realloc(rp,
+					sizeof(RECINDEX) + nall*sizeof(char *));
+			if (rp == NULL)
+				return(NULL);
+		}
 		rp->rec[rp->nrecs++] = cp;	/* point to first non-white */
 		n = rp->nw_rec;
 		while (++cp < mend)		/* find end of record */