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115 lines
2.8 KiB
C
115 lines
2.8 KiB
C
/*
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* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2007 Free Software Foundation
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*
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* Author: Nikos Mavrogiannopoulos
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*
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* This file is part of GNUTLS.
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*
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* The GNUTLS library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA
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*
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*/
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/* contains functions that make it easier to
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* write vectors of <size|data>. The destination size
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* should be preallocated (datum.size+(bits/8))
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*/
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#include <gnutls_int.h>
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#include <gnutls_num.h>
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#include <gnutls_datum.h>
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#include <gnutls_errors.h>
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void
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mhd_gtls_write_datum16 (opaque * dest, gnutls_datum_t dat)
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{
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mhd_gtls_write_uint16 (dat.size, dest);
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if (dat.data != NULL)
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memcpy (&dest[2], dat.data, dat.size);
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}
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void
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mhd_gtls_write_datum24 (opaque * dest, gnutls_datum_t dat)
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{
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mhd_gtls_write_uint24 (dat.size, dest);
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if (dat.data != NULL)
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memcpy (&dest[3], dat.data, dat.size);
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}
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void
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mhd_gtls_write_datum32 (opaque * dest, gnutls_datum_t dat)
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{
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mhd_gtls_write_uint32 (dat.size, dest);
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if (dat.data != NULL)
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memcpy (&dest[4], dat.data, dat.size);
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}
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void
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mhd_gtls_write_datum8 (opaque * dest, gnutls_datum_t dat)
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{
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dest[0] = (uint8_t) dat.size;
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if (dat.data != NULL)
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memcpy (&dest[1], dat.data, dat.size);
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}
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int
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mhd_gtls_set_datum_m (gnutls_datum_t * dat, const void *data,
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size_t data_size, gnutls_alloc_function galloc_func)
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{
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if (data_size == 0 || data == NULL)
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{
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dat->data = NULL;
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dat->size = 0;
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return 0;
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}
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dat->data = galloc_func (data_size);
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if (dat->data == NULL)
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return GNUTLS_E_MEMORY_ERROR;
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dat->size = data_size;
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memcpy (dat->data, data, data_size);
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return 0;
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}
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int
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mhd_gtls_datum_append_m (gnutls_datum_t * dst, const void *data,
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size_t data_size,
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gnutls_realloc_function grealloc_func)
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{
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dst->data = grealloc_func (dst->data, data_size + dst->size);
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if (dst->data == NULL)
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return GNUTLS_E_MEMORY_ERROR;
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memcpy (&dst->data[dst->size], data, data_size);
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dst->size += data_size;
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return 0;
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}
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void
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mhd_gtls_free_datum_m (gnutls_datum_t * dat, gnutls_free_function gfree_func)
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{
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if (dat->data != NULL)
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gfree_func (dat->data);
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dat->data = NULL;
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dat->size = 0;
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}
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