MacroToolsC.h

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/*
// Copyright 2014 Sensics, Inc.
//
// 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 INCLUDED_MacroToolsC_h_GUID_ACA00740_B0FA_43BE_B2BE_E20DB813DEEF
#define INCLUDED_MacroToolsC_h_GUID_ACA00740_B0FA_43BE_B2BE_E20DB813DEEF

/* Internal Includes */
/* none */

/* Library/third-party includes */
/* none */

/* Standard includes */
/* none */

/* See http://cnicholson.net/2009/03/stupid-c-tricks-dowhile0-and-c4127/ for
   info on dodging silly warnings when using macros.
*/

#define OSVR_UTIL_MULTILINE_BEGIN do {

#ifdef _MSC_VER

/* MS VC will complain about that constant conditional without these very
 * localized pragmas */
#define OSVR_UTIL_MULTILINE_END                                                \
    __pragma(warning(push)) __pragma(warning(disable : 4127))                  \
    }                                                                          \
    while (0)                                                                  \
    __pragma(warning(pop))
#else

#define OSVR_UTIL_MULTILINE_END                                                \
    }                                                                          \
    while (0)
#endif

#endif