Put the first stage of my bignum debugging adventures into CVS. This code

[thirdparty/openssl.git] / crypto / bn / bn_div.c

diff --git a/crypto/bn/bn_div.c b/crypto/bn/bn_div.c
index 0fe58dbf69211a1c526c884c30b61ed11bd8b1a0..ff218957b1d2290ec7839b798342f6c1a8dc0b3e 100644 (file)
--- a/crypto/bn/bn_div.c
+++ b/crypto/bn/bn_div.c
@@ -249,7 +249,7 @@ int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
        /* space for temp */
        if (!bn_wexpand(tmp,(div_n+1))) goto err;
 
-       bn_fix_top(&wnum);
+       bn_correct_top(&wnum);
        if (BN_ucmp(&wnum,sdiv) >= 0)
                {
                if (!BN_usub(&wnum,&wnum,sdiv)) goto err;
@@ -359,7 +359,7 @@ X) -> 0x%08X\n",
                tmp->top=j;
 
                j=wnum.top;
-               bn_fix_top(&wnum);
+               bn_correct_top(&wnum);
                if (!BN_sub(&wnum,&wnum,tmp)) goto err;
 
                snum->top=snum->top+wnum.top-j;
@@ -380,14 +380,16 @@ X) -> 0x%08X\n",
                 * BN_rshift() will overwrite it.
                 */
                int neg = num->neg;
-               bn_fix_top(snum);
+               bn_correct_top(snum);
                BN_rshift(rm,snum,norm_shift);
                if (!BN_is_zero(rm))
                        rm->neg = neg;
+               bn_check_top(rm);
                }
        BN_CTX_end(ctx);
        return(1);
 err:
+       bn_check_top(rm);
        BN_CTX_end(ctx);
        return(0);
        }