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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing#kwsys for details. */
/*
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
#ifdef TEST_KWSYS_C_HAS_CLOCK_GETTIME_MONOTONIC
# if defined(__APPLE__)
# include <AvailabilityMacros.h>
# if MAC_OS_X_VERSION_MIN_REQUIRED < 101200
# error "clock_gettime not available on macOS < 10.12"
# endif
# endif
# include <time.h>
int KWSYS_PLATFORM_TEST_C_MAIN()
{
struct timespec ts;
return clock_gettime(CLOCK_MONOTONIC, &ts);
}
#endif
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