Line data    Source code

       1             : /*
       2             :   This file is part of TALER
       3             :   Copyright (C) 2020, 2021 Taler Systems SA
       4             : 
       5             :   TALER is free software; you can redistribute it and/or modify it under the
       6             :   terms of the GNU General Public License as published by the Free Software
       7             :   Foundation; either version 3, or (at your option) any later version.
       8             : 
       9             :   TALER is distributed in the hope that it will be useful, but WITHOUT ANY
      10             :   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
      11             :   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
      12             : 
      13             :   You should have received a copy of the GNU General Public License along with
      14             :   TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
      15             : */
      16             : /**
      17             :  * @file util/crypto_helper_common.c
      18             :  * @brief Common functions for the exchange security modules
      19             :  * @author Florian Dold <dold@taler.net>
      20             :  */
      21             : #include "platform.h"
      22             : #include "taler_util.h"
      23             : #include "taler_signatures.h"
      24             : 
      25             : 
      26             : enum GNUNET_GenericReturnValue
      27        2743 : TALER_crypto_helper_send_all (int sock,
      28             :                               const void *buf,
      29             :                               size_t buf_size)
      30             : {
      31        2743 :   size_t off = 0;
      32             : 
      33        5486 :   while (off < buf_size)
      34             :   {
      35             :     ssize_t ret;
      36             : 
      37        2743 :     ret = send (sock,
      38             :                 buf + off,
      39             :                 buf_size - off,
      40             :                 0);
      41        2743 :     if (ret < 0)
      42             :     {
      43           0 :       if (EINTR == errno)
      44           0 :         continue;
      45           0 :       return GNUNET_SYSERR;
      46             :     }
      47        2743 :     GNUNET_assert (ret > 0);
      48        2743 :     off += ret;
      49             :   }
      50        2743 :   return GNUNET_OK;
      51             : }