Source/kwsys/kwsysPlatformTestsC.c

   1 /*
   2   Macros to define main() in a cross-platform way.
   3
   4   Usage:
   5
   6     int KWSYS_PLATFORM_TEST_C_MAIN()
   7     {
   8       return 0;
   9     }
  10
  11     int KWSYS_PLATFORM_TEST_C_MAIN_ARGS(argc, argv)
  12     {
  13       (void)argc; (void)argv;
  14       return 0;
  15     }
  16 */
  17 #if defined(__CLASSIC_C__)
  18 # define KWSYS_PLATFORM_TEST_C_MAIN() \
  19   main()
  20 # define KWSYS_PLATFORM_TEST_C_MAIN_ARGS(argc, argv) \
  21   main(argc,argv) int argc; char* argv[];
  22 #else
  23 # define KWSYS_PLATFORM_TEST_C_MAIN() \
  24   main(void)
  25 # define KWSYS_PLATFORM_TEST_C_MAIN_ARGS(argc, argv) \
  26   main(int argc, char* argv[])
  27 #endif
  28
  29 /*--------------------------------------------------------------------------*/
  30 #ifdef TEST_KWSYS_C_HAS_PTRDIFF_T
  31 #include <stddef.h>
  32 int f(ptrdiff_t n) { return n > 0; }
  33 int KWSYS_PLATFORM_TEST_C_MAIN()
  34 {
  35   char* p = 0;
  36   ptrdiff_t d = p - p;
  37   (void)d;
  38   return f(p - p);
  39 }
  40 #endif
  41
  42 /*--------------------------------------------------------------------------*/
  43 #ifdef TEST_KWSYS_C_HAS_SSIZE_T
  44 #include <unistd.h>
  45 int f(ssize_t n) { return (int)n; }
  46 int KWSYS_PLATFORM_TEST_C_MAIN()
  47 {
  48   ssize_t n = 0;
  49   return f(n);
  50 }
  51 #endif