X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fbn%2Fbn_word.c;h=8809d0714aa07394de44df3d0f639c664b6a17bc;hp=d83032c66ca01438e8f35d0b21d4d19d4e429eaf;hb=448155e9bbda27cbba365ff549a7e2044a8a399f;hpb=4d6e1e4f29de455b5e644ea9cae5d5f5a2dbef33

diff --git a/crypto/bn/bn_word.c b/crypto/bn/bn_word.c
index d83032c66c..8809d0714a 100644
--- 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;