File: eina_abi.c

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/* EINA - EFL data type library
 * Copyright (C) 2013 Cedric Bail
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library;
 * if not, see <http://www.gnu.org/licenses/>.
 */

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <assert.h>

#include "eina_config.h"
#include "eina_private.h"
#include "eina_unicode.h"
#include "eina_safety_checks.h"

EAPI Eina_Unicode eina_unicode_utf8_get_next(const char *buf, int *iindex)
{
   return eina_unicode_utf8_next_get(buf, iindex);
}

EAPI unsigned int
eina_mempool_alignof(unsigned int size)
{
   unsigned int align;
   unsigned int mask;

   if (EINA_UNLIKELY(size <= 2))
     {
        align = 1;
        mask = 0x1;
     }
   else if (EINA_UNLIKELY(size < 8))
     {
        align = 2;
        mask = 0x3;
     }
   else
#if __WORDSIZE == 32
     {
        align = 3;
        mask = 0x7;
     }
#else
   if (EINA_UNLIKELY(size < 16))
     {
        align = 3;
        mask = 0x7;
     }
   else
     {
        align = 4;
        mask = 0x15;
     }
#endif

   return ((size >> align) + (size & mask ? 1 : 0)) << align;
}


typedef struct _Eina_Array Eina_Array;
struct _Eina_Array
{
#define EINA_ARRAY_VERSION 1
   int          version;

   void       **data;
   unsigned int total;
   unsigned int count;
   unsigned int step;
   EINA_MAGIC
};

EAPI void
eina_array_clean(Eina_Array *array)
{
   EINA_SAFETY_ON_NULL_RETURN(array);

   assert(array->version == EINA_ARRAY_VERSION);

   array->count = 0;
}