--- ray/src/px/pflip.c	1992/10/28 11:23:22	2.3
+++ ray/src/px/pflip.c	2003/02/22 02:07:27	2.5
@@ -1,9 +1,6 @@
-/* Copyright (c) 1992 Regents of the University of California */
-
 #ifndef lint
-static char SCCSid[] = "$SunId$ LBL";
+static const char	RCSid[] = "$Id: pflip.c,v 2.5 2003/02/22 02:07:27 greg Exp $";
 #endif
-
 /*
  * flip picture file horizontally and/or vertically
  */
@@ -14,6 +11,8 @@ static char SCCSid[] = "$SunId$ LBL";
 #include  <fcntl.h>
 #endif
 
+#include  <time.h>
+
 #include "color.h"
 
 #include "resolu.h"
@@ -31,9 +30,7 @@ FILE	*fin;				/* input file */
 
 char	*progname;
 
-extern char	*malloc();
 
-
 int
 neworder()			/* figure out new order from old */
 {
@@ -56,7 +53,8 @@ main(argc, argv)
 int	argc;
 char	*argv[];
 {
-	int	i;
+	static char	picfmt[LPICFMT+1] = PICFMT;
+	int	i, rval;
 #ifdef MSDOS
 	extern int  _fmode;
 	_fmode = O_BINARY;
@@ -87,14 +85,15 @@ char	*argv[];
 		exit(1);
 	}
 					/* transfer header */
-	if (checkheader(fin, COLRFMT, stdout) < 0) {
+	if ((rval = checkheader(fin, picfmt, stdout)) < 0) {
 		fprintf(stderr, "%s: input not a Radiance picture\n",
 				progname);
 		exit(1);
 	}
+	if (rval)
+		fputformat(picfmt, stdout);
 					/* add new header info. */
 	printargs(i, argv, stdout);
-	fputformat(COLRFMT, stdout);
 	putchar('\n');
 					/* get picture size */
 	if ((order = fgetresolu(&xres, &yres, fin)) < 0) {
@@ -136,7 +135,7 @@ scanfile()				/* scan to the end of file */
 		}
 	}
 	scanpos[0] = ftell(fin);
-	free((char *)scanin);
+	free((void *)scanin);
 }
 
 
@@ -170,7 +169,7 @@ flip()					/* flip the picture */
 			exit(1);
 		}
 	}
-	free((char *)scanin);
+	free((void *)scanin);
 	if (fhoriz)
-		free((char *)scanout);
+		free((void *)scanout);
 }