/* 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 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 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_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