59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/*
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This file is part of TALER
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Copyright (C) 2014-2020 Taler Systems SA
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TALER is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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TALER is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
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*/
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/**
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* @file util.c
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* @brief Common utility functions
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* @author Sree Harsha Totakura <sreeharsha@totakura.in>
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* @author Florian Dold
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* @author Benedikt Mueller
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*/
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#include "platform.h"
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#include "taler_util.h"
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/**
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* Convert a buffer to an 8-character string representative of the
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* contents. This is used for logging binary data when debugging.
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*
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* @param buf buffer to log
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* @param buf_size number of bytes in @a buf
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* @return text representation of buf, valid until next
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* call to this function
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*/
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const char *
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TALER_b2s (const void *buf,
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size_t buf_size)
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{
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static char ret[9];
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struct GNUNET_HashCode hc;
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char *tmp;
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GNUNET_CRYPTO_hash (buf,
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buf_size,
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&hc);
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tmp = GNUNET_STRINGS_data_to_string_alloc (&hc,
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sizeof (hc));
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memcpy (ret,
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tmp,
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8);
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GNUNET_free (tmp);
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ret[8] = '\0';
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return ret;
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}
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/* end of util.c */
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