File ntping.dif of Package scotty

--- tnm/ntping/ntping.c
+++ tnm/ntping/ntping.c
@@ -160,9 +160,9 @@
 #include <tcl.h>
 static Tcl_Interp *ntping_interp;
 #define printf0(s)	{ Tcl_AppendResult(ntping_interp, s, NULL); }
-#define printf1(f,a)	{ char tmp [1024]; sprintf (tmp, f, a); \
+#define printf1(f,a)	{ char tmp [1024]; snprintf (tmp, sizeof(tmp), f, a); \
 			    Tcl_AppendResult(ntping_interp, tmp, NULL); }
-#define printf2(f,a,b)	{ char tmp [1024]; sprintf (tmp, f, a, b); \
+#define printf2(f,a,b)	{ char tmp [1024]; snprintf (tmp, sizeof(tmp), f, a, b); \
 			    Tcl_AppendResult(ntping_interp, tmp, NULL); }
 #else
 #define printf0		printf
@@ -1855,7 +1855,8 @@
       return 1;
 
     /* back to normal rights: */
-    setuid (getuid ());
+    if(setuid (getuid ()) < 0)
+      return 2;
 
     if (cmd)
       /* work for the command line: */