Planeshift
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00001 // Copyright (c) 2012 Google Inc. 00002 // All rights reserved. 00003 // 00004 // Redistribution and use in source and binary forms, with or without 00005 // modification, are permitted provided that the following conditions are 00006 // met: 00007 // 00008 // * Redistributions of source code must retain the above copyright 00009 // notice, this list of conditions and the following disclaimer. 00010 // * Redistributions in binary form must reproduce the above 00011 // copyright notice, this list of conditions and the following disclaimer 00012 // in the documentation and/or other materials provided with the 00013 // distribution. 00014 // * Neither the name of Google Inc. nor the names of its 00015 // contributors may be used to endorse or promote products derived from 00016 // this software without specific prior written permission. 00017 // 00018 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00019 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00020 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 00021 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 00022 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00023 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00024 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00025 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00026 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00027 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00028 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00029 00030 #ifndef COMMON_LINUX_IGNORE_RET_H_ 00031 #define COMMON_LINUX_IGNORE_RET_H_ 00032 00033 // Some compilers are prone to warn about unused return values. In cases where 00034 // either a) the call cannot fail, or b) there is nothing that can be done when 00035 // the call fails, IGNORE_RET() can be used to mark the return code as ignored. 00036 // This avoids spurious compiler warnings. 00037 00038 #define IGNORE_RET(x) do { if (x); } while (0) 00039 00040 #endif // COMMON_LINUX_IGNORE_RET_H_