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diag-control.h
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diag-control.h
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/*
* Copyright (c) 2021 The Tcpdump Group
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* 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 HOLDER 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.
*/
#ifndef tcpslice_diag_control_h
#define tcpslice_diag_control_h
#include "compiler-tests.h"
#define DIAG_DO_PRAGMA(x) _Pragma (#x)
/*
* XL C has to be tested first because starting with version 16.1 it defines
* both __GNUC__ and __clang__.
*/
#if TCPSLICE_IS_AT_LEAST_XL_C_VERSION(1,0)
/*
* GCC diagnostic pragmas became available in XL C version 16.1.0, for Linux
* only. XL C for Linux always defines __linux__.
*/
#if TCPSLICE_IS_AT_LEAST_XL_C_VERSION(16,1) && defined(__linux__)
#define DIAG_OFF_PEDANTIC \
DIAG_DO_PRAGMA(GCC diagnostic push) \
DIAG_DO_PRAGMA(GCC diagnostic ignored "-Wpedantic")
#define DIAG_ON_PEDANTIC \
DIAG_DO_PRAGMA(GCC diagnostic pop)
#endif
/*
* Clang defines __GNUC__ and __GNUC_MINOR__, so has to be tested before GCC.
*/
#elif TCPSLICE_IS_AT_LEAST_CLANG_VERSION(2,8)
#define DIAG_OFF_PEDANTIC \
DIAG_DO_PRAGMA(clang diagnostic push) \
DIAG_DO_PRAGMA(clang diagnostic ignored "-Wpedantic")
#define DIAG_ON_PEDANTIC \
DIAG_DO_PRAGMA(clang diagnostic pop)
/*
* GCC 4.6 has working ignored/push/pop.
*/
#elif TCPSLICE_IS_AT_LEAST_GNUC_VERSION(4,6)
/*
* -Wpedantic became available in GCC 4.8.0.
*/
#if TCPSLICE_IS_AT_LEAST_GNUC_VERSION(4,8)
#define DIAG_OFF_PEDANTIC \
DIAG_DO_PRAGMA(GCC diagnostic push) \
DIAG_DO_PRAGMA(GCC diagnostic ignored "-Wpedantic")
#define DIAG_ON_PEDANTIC \
DIAG_DO_PRAGMA(GCC diagnostic pop)
#endif
#endif
#ifndef DIAG_OFF_PEDANTIC
#define DIAG_OFF_PEDANTIC
#endif
#ifndef DIAG_ON_PEDANTIC
#define DIAG_ON_PEDANTIC
#endif
#endif /* tcpslice_diag_control_h */