--- Libc/Libc-763.13/secure/snprintf_chk.c
+++ Libc/Libc-1592.100.35/secure/snprintf_chk.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007 Apple Inc. All rights reserved.
+ * Copyright (c) 2007-2013 Apple Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  *
@@ -25,27 +25,42 @@
 #include <stdio.h>
 #include <stdarg.h>
 #include <limits.h>
-
-extern void __chk_fail (void) __attribute__((__noreturn__));
-extern int __snprintf_chk (char * __restrict, size_t, int, size_t,
-                           const char * __restrict, ...)
-  __DARWIN_LDBL_COMPAT (__snprintf_chk);
+#include "secure.h"
 
 int
-__snprintf_chk (char *s, size_t maxlen, int flags, size_t len,
+__snprintf_chk (char *dest, size_t len, int flags, size_t dstlen,
 		const char *format, ...)
 {
   va_list arg;
   int done;
 
-  if (__builtin_expect (maxlen > len, 0))
-    __chk_fail ();
+  if (__builtin_expect (dstlen < len, 0))
+    __chk_fail_overflow ();
 
   va_start (arg, format);
 
-  done = vsnprintf (s, maxlen, format, arg);
+  done = vsnprintf (dest, len, format, arg);
 
   va_end (arg);
 
   return done;
 }
+
+int
+__snprintf_object_size_chk (char *dest, size_t dstlen, size_t len,
+const char *format, ...)
+{
+    va_list arg;
+    int done;
+
+    if (__builtin_expect (dstlen < len, 0))
+        __chk_fail_overflow ();
+
+    va_start (arg, format);
+
+    done = vsnprintf (dest, len, format, arg);
+
+    va_end (arg);
+
+    return done;
+}