--- ray/src/px/macbethcal.c	2003/07/27 22:12:03	2.20
+++ ray/src/px/macbethcal.c	2003/11/10 12:28:56	2.22
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: macbethcal.c,v 2.20 2003/07/27 22:12:03 schorsch Exp $";
+static const char	RCSid[] = "$Id: macbethcal.c,v 2.22 2003/11/10 12:28:56 schorsch Exp $";
 #endif
 /*
  * Calibrate a scanned MacBeth Color Checker Chart
@@ -15,6 +15,7 @@ static const char	RCSid[] = "$Id: macbethcal.c,v 2.20 
 #include <time.h>
 
 #include "platform.h"
+#include "rtprocess.h"
 #include "color.h"
 #include "resolu.h"
 #include "pmap.h"
@@ -98,7 +99,7 @@ short	mbneu[NMBNEU] = {Black,Neutral35,Neutral5,Neutra
 #define  RG_CORR	04	/* corrected color region */
 
 #ifndef  DISPCOM
-#define  DISPCOM	"ximage -op %s"
+#define  DISPCOM	"ximage -op \"%s\""
 #endif
 
 int	scanning = 1;		/* scanned input (or recorded output)? */
@@ -798,7 +799,7 @@ FILE	*fp;
 pickchartpos(pfn)		/* display picture and pick chart location */
 char	*pfn;
 {
-	char	combuf[512];
+	char	combuf[PATH_MAX];
 	FILE	*pfp;
 
 	sprintf(combuf, DISPCOM, pfn);