commit 791eed3f339f50df99e52aaf4ded9891b76995cb
author Manuel Pégourié-Gonnard <mpg@elzevir.fr> Tue Jul 09 16:26:08 2013 +0200
committer Manuel Pégourié-Gonnard <mpg@elzevir.fr> Tue Jul 09 16:42:35 2013 +0200
tree 022e5afb78e03369601d6e875e9c97fd5a1df832
parent de44a4aecf96796a59721942ffcf551eb14bd228

Fix portability issue in oid_get_numeric_string()

library/oid.c

diff --git a/library/oid.c b/library/oid.c
index dd4cbf0..449b3e1 100644
--- a/library/oid.c
+++ b/library/oid.c
@@ -33,7 +33,6 @@
 #include "polarssl/rsa.h"
 
 #include <stdio.h>
-#include <limits.h>
 
 /*
  * Macro to generate an internal function for oid_XXX_from_asn1() (used by
@@ -572,7 +571,8 @@
     for( i = 1; i < oid->len; i++ )
     {
         /* Prevent overflow in value. */
-        if (value > (UINT_MAX >> 7) )
+        unsigned int v = value << 7;
+        if ( v < value )
             return( POLARSSL_ERR_DEBUG_BUF_TOO_SMALL );
 
         value <<= 7;