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 "taler/platform.h"
      22              : #include "taler/taler_util.h"
      23              : #include "taler/taler_signatures.h"
      24              : #include "crypto_helper_common.h"
      25              : 
      26              : 
      27              : enum GNUNET_GenericReturnValue
      28         3860 : TALER_crypto_helper_send_all (int sock,
      29              :                               const void *buf,
      30              :                               size_t buf_size)
      31              : {
      32         3860 :   size_t off = 0;
      33              : 
      34         7720 :   while (off < buf_size)
      35              :   {
      36              :     ssize_t ret;
      37              : 
      38         3860 :     ret = send (sock,
      39              :                 buf + off,
      40              :                 buf_size - off,
      41              :                 0);
      42         3860 :     if (ret < 0)
      43              :     {
      44            0 :       if (EINTR == errno)
      45            0 :         continue;
      46            0 :       return GNUNET_SYSERR;
      47              :     }
      48         3860 :     GNUNET_assert (ret > 0);
      49         3860 :     off += ret;
      50              :   }
      51         3860 :   return GNUNET_OK;
      52              : }