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101 lines
2.4 KiB
101 lines
2.4 KiB
/*============================================================================
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KWSys - Kitware System Library
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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/*
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Macros to define main() in a cross-platform way.
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Usage:
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int KWSYS_PLATFORM_TEST_C_MAIN()
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{
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return 0;
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}
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int KWSYS_PLATFORM_TEST_C_MAIN_ARGS(argc, argv)
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{
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(void)argc; (void)argv;
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return 0;
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}
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*/
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#if defined(__CLASSIC_C__)
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# define KWSYS_PLATFORM_TEST_C_MAIN() \
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main()
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# define KWSYS_PLATFORM_TEST_C_MAIN_ARGS(argc, argv) \
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main(argc,argv) int argc; char* argv[];
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#else
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# define KWSYS_PLATFORM_TEST_C_MAIN() \
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main(void)
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# define KWSYS_PLATFORM_TEST_C_MAIN_ARGS(argc, argv) \
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main(int argc, char* argv[])
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#endif
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/*--------------------------------------------------------------------------*/
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#ifdef TEST_KWSYS_C_HAS_PTRDIFF_T
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#include <stddef.h>
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int f(ptrdiff_t n) { return n > 0; }
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int KWSYS_PLATFORM_TEST_C_MAIN()
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{
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char* p = 0;
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ptrdiff_t d = p - p;
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(void)d;
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return f(p - p);
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}
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#endif
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/*--------------------------------------------------------------------------*/
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#ifdef TEST_KWSYS_C_HAS_SSIZE_T
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#include <unistd.h>
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int f(ssize_t n) { return (int)n; }
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int KWSYS_PLATFORM_TEST_C_MAIN()
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{
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ssize_t n = 0;
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return f(n);
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}
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#endif
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/*--------------------------------------------------------------------------*/
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#ifdef TEST_KWSYS_C_TYPE_MACROS
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char* info_macros =
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#if defined(__SIZEOF_SHORT__)
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"INFO:macro[__SIZEOF_SHORT__]\n"
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#endif
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#if defined(__SIZEOF_INT__)
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"INFO:macro[__SIZEOF_INT__]\n"
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#endif
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#if defined(__SIZEOF_LONG__)
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"INFO:macro[__SIZEOF_LONG__]\n"
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#endif
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#if defined(__SIZEOF_LONG_LONG__)
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"INFO:macro[__SIZEOF_LONG_LONG__]\n"
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#endif
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#if defined(__SHORT_MAX__)
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"INFO:macro[__SHORT_MAX__]\n"
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#endif
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#if defined(__INT_MAX__)
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"INFO:macro[__INT_MAX__]\n"
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#endif
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#if defined(__LONG_MAX__)
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"INFO:macro[__LONG_MAX__]\n"
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#endif
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#if defined(__LONG_LONG_MAX__)
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"INFO:macro[__LONG_LONG_MAX__]\n"
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#endif
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"";
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int KWSYS_PLATFORM_TEST_C_MAIN_ARGS(argc, argv)
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{
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int require = 0;
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require += info_macros[argc];
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(void)argv;
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return require;
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}
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#endif
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