blob: 5b25624a65197920ae43b13fddec892f37697856 [file] [log] [blame]
/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Libmemcached library
*
* Copyright (C) 2011 Data Differential, http://datadifferential.com/
* Copyright (C) 2006-2009 Brian Aker All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* * The names of its contributors may not be used to endorse or
* promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <config.h>
#include <sys/types.h>
#include <example/byteorder.h>
/* Byte swap a 64-bit number. */
#ifndef swap64
static inline uint64_t swap64(uint64_t in)
{
#ifndef WORDS_BIGENDIAN
/* Little endian, flip the bytes around until someone makes a faster/better
* way to do this. */
uint64_t rv= 0;
for (uint8_t x= 0; x < 8; x++)
{
rv= (rv << 8) | (in & 0xff);
in >>= 8;
}
return rv;
#else
/* big-endian machines don't need byte swapping */
return in;
#endif // WORDS_BIGENDIAN
}
#endif
#ifdef HAVE_HTONLL
uint64_t example_ntohll(uint64_t value)
{
return ntohll(value);
}
uint64_t example_htonll(uint64_t value)
{
return htonll(value);
}
#else // HAVE_HTONLL
uint64_t example_ntohll(uint64_t value)
{
return swap64(value);
}
uint64_t example_htonll(uint64_t value)
{
return swap64(value);
}
#endif // HAVE_HTONLL