Prepare exptest for bn opaquify

Reviewed-by: Tim Hudson <tjh@openssl.org>

diff --git a/crypto/bn/exptest.c b/crypto/bn/exptest.c
index 5fa02a1229e88c54d4f29c14eef2f166059b52da..739c665e356c44e7d7009a347d92e70e6bae0b82 100644 (file)
--- a/crypto/bn/exptest.c
+++ b/crypto/bn/exptest.c
@@ -73,37 +73,42 @@ static const char rnd_seed[] = "string to make the random number generator think
 
 /* test_exp_mod_zero tests that x**0 mod 1 == 0. It returns zero on success. */
 static int test_exp_mod_zero() {
-       BIGNUM a, p, m;
-       BIGNUM r;
+       BIGNUM *a = NULL, *p = NULL, *m = NULL;
+       BIGNUM *r = NULL;
        BN_CTX *ctx = BN_CTX_new();
        int ret = 1;
 
-       BN_init(&m);
-       BN_one(&m);
+       m = BN_new();
+       if(!m) goto err;
+       BN_one(m);
 
-       BN_init(&a);
-       BN_one(&a);
+       a = BN_new();
+       if(!a) goto err;
+       BN_one(a);
 
-       BN_init(&p);
-       BN_zero(&p);
+       p = BN_new();
+       if(!p) goto err;
+       BN_zero(p);
 
-       BN_init(&r);
-       BN_mod_exp(&r, &a, &p, &m, ctx);
+       r = BN_new();
+       if(!r) goto err;
+       BN_mod_exp(r, a, p, m, ctx);
        BN_CTX_free(ctx);
 
-       if (BN_is_zero(&r))
+       if (BN_is_zero(r))
                ret = 0;
        else
                {
                printf("1**0 mod 1 = ");
-               BN_print_fp(stdout, &r);
+               BN_print_fp(stdout, r);
                printf(", should be 0\n");
                }
 
-       BN_free(&r);
-       BN_free(&a);
-       BN_free(&p);
-       BN_free(&m);
+err:
+       BN_free(r);
+       BN_free(a);
+       BN_free(p);
+       BN_free(m);
 
        return ret;
 }