-fix offset issue

src/util/crypto_helper_common.c

@@ -14,7 +14,7 @@
   TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
 */
 /**
- * @file util/secmod_common.c
+ * @file util/crypto_helper_common.c
  * @brief Common functions for the exchange security modules
  * @author Florian Dold <dold@taler.net>
  */

src/util/crypto_helper_rsa.c

@@ -298,8 +298,8 @@ TALER_CRYPTO_helper_rsa_poll (struct TALER_CRYPTO_RsaDenominationHelper *dh)
     ssize_t ret;
 
     ret = recv (dh->sock,
-                buf,
-                sizeof (buf),
+                buf + off,
+                sizeof (buf) - off,
                 (dh->synced && (0 == off))
                 ? MSG_DONTWAIT
                 : 0);

src/util/secmod_common.c

@@ -91,6 +91,7 @@ TES_transmit (int sock,
                         pos,
                         end - off,
                         0 /* no flags => blocking! */);
+
     if ( (-1 == ret) &&
          ( (EAGAIN == errno) ||
            (EINTR == errno) ) )