git.m6w6.name Git - m6w6/libmemcached/blob - libmemcached/byteorder.h

   1 /*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
   2  *
   3  *  Libmemcached library
   4  *
   5  *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
   6  *  Copyright (C) 2006-2009 Brian Aker All rights reserved.
   7  *
   8  *  Redistribution and use in source and binary forms, with or without
   9  *  modification, are permitted provided that the following conditions are
  10  *  met:
  11  *
  12  *      * Redistributions of source code must retain the above copyright
  13  *  notice, this list of conditions and the following disclaimer.
  14  *
  15  *      * Redistributions in binary form must reproduce the above
  16  *  copyright notice, this list of conditions and the following disclaimer
  17  *  in the documentation and/or other materials provided with the
  18  *  distribution.
  19  *
  20  *      * The names of its contributors may not be used to endorse or
  21  *  promote products derived from this software without specific prior
  22  *  written permission.
  23  *
  24  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  25  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  26  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  27  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  28  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  29  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  30  *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  31  *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  32  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  33  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  34  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  35  *
  36  */
  37
  38 #pragma once
  39
  40 #if HAVE_SYS_TYPES_H
  41 #include <sys/types.h>
  42 #endif
  43
  44 #ifndef HAVE_HTONLL
  45 #define ntohll(a) memcached_ntohll(a)
  46 #define htonll(a) memcached_htonll(a)
  47
  48 #ifdef __cplusplus
  49 extern "C" {
  50 #endif
  51
  52 LIBMEMCACHED_LOCAL
  53 uint64_t memcached_ntohll(uint64_t);
  54 LIBMEMCACHED_LOCAL
  55 uint64_t memcached_htonll(uint64_t);
  56 #ifdef __cplusplus
  57 }
  58 #endif
  59
  60 #endif
  61
  62 #ifdef linux
  63 /* /usr/include/netinet/in.h defines macros from ntohs() to _bswap_nn to
  64  * optimize the conversion functions, but the prototypes generate warnings
  65  * from gcc. The conversion methods isn't the bottleneck for my app, so
  66  * just remove the warnings by undef'ing the optimization ..
  67  */
  68 #undef ntohs
  69 #undef ntohl
  70 #undef htons
  71 #undef htonl
  72 #endif