RT2163: Remove some unneeded #include's

[openssl.git] / crypto / bn / bn_word.c

diff --git a/crypto/bn/bn_word.c b/crypto/bn/bn_word.c
index d83032c66ca01438e8f35d0b21d4d19d4e429eaf..8809d0714aa07394de44df3d0f639c664b6a17bc 100644 (file)
--- a/crypto/bn/bn_word.c
+++ b/crypto/bn/bn_word.c
@@ -56,7 +56,6 @@
  * [including the GNU Public Licence.]
  */
 
-#include <stdio.h>
 #include "cryptlib.h"
 #include "bn_lcl.h"
 
@@ -144,37 +143,21 @@ int BN_add_word(BIGNUM *a, BN_ULONG w)
                        a->neg=!(a->neg);
                return(i);
                }
-       /* Only expand (and risk failing) if it's possibly necessary */
-       if (((BN_ULONG)(a->d[a->top - 1] + 1) == 0) &&
-                       (bn_wexpand(a,a->top+1) == NULL))
-               return(0);
-       i=0;
-       for (;;)
+       for (i=0;w!=0 && i<a->top;i++)
                {
-               if (i >= a->top)
-                       l=w;
-               else
-                       l=(a->d[i]+w)&BN_MASK2;
-               a->d[i]=l;
-               if (w > l)
-                       w=1;
-               else
-                       break;
-               i++;
+               a->d[i] = l = (a->d[i]+w)&BN_MASK2;
+               w = (w>l)?1:0;
                }
-       if (i >= a->top)
+       if (w && i==a->top)
+               {
+               if (bn_wexpand(a,a->top+1) == NULL) return 0;
                a->top++;
+               a->d[i]=w;
+               }
        bn_check_top(a);
        return(1);
        }
 
-int BN_add_signed_word(BIGNUM *a, BN_LONG w)
-       {
-       if(w < 0)
-               return 0;
-       return BN_add_word(a, (BN_ULONG)w);
-       }
-
 int BN_sub_word(BIGNUM *a, BN_ULONG w)
        {
        int i;