plugin_reclaim_attribute_basic.c

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/*
     This file is part of GNUnet
     Copyright (C) 2013, 2014, 2016 GNUnet e.V.
 
     GNUnet is free software: you can redistribute it and/or modify it
     under the terms of the GNU Affero General Public License as published
     by the Free Software Foundation, either version 3 of the License,
     or (at your option) any later version.
 
     GNUnet is distributed in the hope that it will be useful, but
     WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Affero General Public License for more details.
 
     You should have received a copy of the GNU Affero General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
     SPDX-License-Identifier: AGPL3.0-or-later
 */
 
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_reclaim_plugin.h"
#include <inttypes.h>
 
 
static char *
basic_value_to_string (void *cls,
                       uint32_t type,
                       const void *data,
                       size_t data_size)
{
  switch (type)
  {
  case GNUNET_RECLAIM_ATTRIBUTE_TYPE_STRING:
    return GNUNET_strndup (data, data_size);
 
  default:
    return NULL;
  }
}
 
 
static int
basic_string_to_value (void *cls,
                       uint32_t type,
                       const char *s,
                       void **data,
                       size_t *data_size)
{
  if (NULL == s)
    return GNUNET_SYSERR;
  switch (type)
  {
  case GNUNET_RECLAIM_ATTRIBUTE_TYPE_STRING:
    *data = GNUNET_strdup (s);
    *data_size = strlen (s) + 1;
    return GNUNET_OK;
 
  default:
    return GNUNET_SYSERR;
  }
}
 
 
static struct
{
  const char *name;
  uint32_t number;
} basic_name_map[] = { { "STRING", GNUNET_RECLAIM_ATTRIBUTE_TYPE_STRING },
                       { NULL, UINT32_MAX } };
 
 
static uint32_t
basic_typename_to_number (void *cls, const char *basic_typename)
{
  unsigned int i;
 
  i = 0;
  while ((NULL != basic_name_map[i].name) &&
         (0 != strcasecmp (basic_typename, basic_name_map[i].name)))
    i++;
  return basic_name_map[i].number;
}
 
 
static const char *
basic_number_to_typename (void *cls, uint32_t type)
{
  unsigned int i;
 
  i = 0;
  while ((NULL != basic_name_map[i].name) && (type != basic_name_map[i].number))
    i++;
  return basic_name_map[i].name;
}
 
 
void *
libgnunet_plugin_reclaim_attribute_basic_init (void *cls)
{
  struct GNUNET_RECLAIM_AttributePluginFunctions *api;
 
  api = GNUNET_new (struct GNUNET_RECLAIM_AttributePluginFunctions);
  api->value_to_string = &basic_value_to_string;
  api->string_to_value = &basic_string_to_value;
  api->typename_to_number = &basic_typename_to_number;
  api->number_to_typename = &basic_number_to_typename;
  return api;
}
 
 
void *
libgnunet_plugin_reclaim_attribute_basic_done (void *cls)
{
  struct GNUNET_RECLAIM_AttributePluginFunctions *api = cls;
 
  GNUNET_free (api);
  return NULL;
}
 
 
/* end of plugin_reclaim_attribute_type_gnuid.c */