text: /* libmongo-macros.h - helper macros for libmongo-client.
   * Copyright 2011, 2012 Gergely Nagy <algernon@balabit.hu>
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #ifndef LIBMONGO_MACROS_H
  #define LIBMONGO_MACROS_H 1
  
  #include <glib.h>
  
  #define MAX_DATA_LEN 32505856
  
  inline static gdouble
  GDOUBLE_SWAP_LE_BE(gdouble in)
  {
    union
    {
      guint64 i;
      gdouble d;
    } u;
  
    u.d = in;
    u.i = GUINT64_SWAP_LE_BE (u.i);
    return u.d;
  }
  
  #if G_BYTE_ORDER == G_LITTLE_ENDIAN
  #define GDOUBLE_TO_LE(val)   ((gdouble) (val))
  #define GDOUBLE_TO_BE(val)   (GDOUBLE_SWAP_LE_BE (val))
  
  #elif G_BYTE_ORDER == G_BIG_ENDIAN
  #define GDOUBLE_TO_LE(val)   (GDOUBLE_SWAP_LE_BE (val))
  #define GDOUBLE_TO_BE(val)   ((gdouble) (val))
  
  #else /* !G_LITTLE_ENDIAN && !G_BIG_ENDIAN */
  #error unknown ENDIAN type
  #endif /* !G_LITTLE_ENDIAN && !G_BIG_ENDIAN */
  
  #define GDOUBLE_FROM_LE(val) (GDOUBLE_TO_LE (val))
  #define GDOUBLE_FROM_BE(val) (GDOUBLE_TO_BE (val))
  
  #endif
  