test_grasshopper: Fix CIDs 253281, 253280, 253279, 253275

Unchecked return value (CHECKED_RETURN)
Some fixes for Coverity Scan from issue #174.

diff --git a/test_grasshopper.c b/test_grasshopper.c
index 3fb8e356d40b3028572c225640ce15a0464a4747..f11f04943ba27f19fb7a15e3090204e381e17c55 100644 (file)
--- a/test_grasshopper.c
+++ b/test_grasshopper.c
@@ -299,8 +299,8 @@ static int test_stream(const EVP_CIPHER *type, const char *name,
        int i;
 
        EVP_CIPHER_CTX_init(ctx);
-       EVP_CipherInit_ex(ctx, type, NULL, K, iv, 1);
-       EVP_CIPHER_CTX_set_padding(ctx, 0);
+       T(EVP_CipherInit_ex(ctx, type, NULL, K, iv, 1));
+       T(EVP_CIPHER_CTX_set_padding(ctx, 0));
        memset(c, 0xff, sizeof(c));
        if (acpkm)
            T(EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_KEY_MESH, acpkm, NULL));
@@ -309,11 +309,11 @@ static int test_stream(const EVP_CIPHER *type, const char *name,
                sz = size - i;
            else
                sz = z;
-           EVP_CipherUpdate(ctx, c + i, &outlen, pt + i, sz);
+           T(EVP_CipherUpdate(ctx, c + i, &outlen, pt + i, sz));
            OPENSSL_assert(outlen == sz);
        }
        outlen = i - z + sz;
-       EVP_CipherFinal_ex(ctx, c + outlen, &tmplen);
+       T(EVP_CipherFinal_ex(ctx, c + outlen, &tmplen));
        EVP_CIPHER_CTX_cleanup(ctx);
 
        test = outlen != size || memcmp(c, exp, size);