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/* 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>
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
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