exchange

Base system with REST service to issue digital coins, run by the payment service provider
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crypto_helper_common.c (1476B)

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