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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
#ifdef TEST_KWSYS_C_TYPE_MACROS
char* info_macros =
#if defined(__SIZEOF_SHORT__)
"INFO:macro[__SIZEOF_SHORT__]\n"
#endif
#if defined(__SIZEOF_INT__)
"INFO:macro[__SIZEOF_INT__]\n"
#endif
#if defined(__SIZEOF_LONG__)
"INFO:macro[__SIZEOF_LONG__]\n"
#endif
#if defined(__SIZEOF_LONG_LONG__)
"INFO:macro[__SIZEOF_LONG_LONG__]\n"
#endif
#if defined(__SHORT_MAX__)
"INFO:macro[__SHORT_MAX__]\n"
#endif
#if defined(__INT_MAX__)
"INFO:macro[__INT_MAX__]\n"
#endif
#if defined(__LONG_MAX__)
"INFO:macro[__LONG_MAX__]\n"
#endif
#if defined(__LONG_LONG_MAX__)
"INFO:macro[__LONG_LONG_MAX__]\n"
#endif
"";
int KWSYS_PLATFORM_TEST_C_MAIN_ARGS(argc, argv)
{
int require = 0;
require += info_macros[argc];
(void)argv;
return require;
}
#endif
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