1 files changed, 108 insertions, 0 deletions
diff --git a/Source/kwsys/kwsysPlatformTestsC.c b/Source/kwsys/kwsysPlatformTestsC.c
new file mode 100644
index 0000000..b0cf7ad
--- /dev/null
+++ b/Source/kwsys/kwsysPlatformTestsC.c
@@ -0,0 +1,108 @@
+/* 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