CMake/Source/kwsys/kwsysPlatformTestsC.c

63 lines
1.6 KiB
C

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