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        4091 : TALER_crypto_helper_send_all (int sock,
      29             :                               const void *buf,
      30             :                               size_t buf_size)
      31             : {
      32        4091 :   size_t off = 0;
      33             : 
      34        8182 :   while (off < buf_size)
      35             :   {
      36             :     ssize_t ret;
      37             : 
      38        4091 :     ret = send (sock,
      39             :                 buf + off,
      40             :                 buf_size - off,
      41             :                 0);
      42        4091 :     if (ret < 0)
      43             :     {
      44           0 :       if (EINTR == errno)
      45           0 :         continue;
      46           0 :       return GNUNET_SYSERR;
      47             :     }
      48        4091 :     GNUNET_assert (ret > 0);
      49        4091 :     off += ret;
      50             :   }
      51        4091 :   return GNUNET_OK;
      52             : }