gcc/testsuite/gcc.c-torture/execute/fprintf-1.c

   1 /* { dg-skip-if "requires io" { freestanding } }  */
   2
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5
   6 int
   7 main (void)
   8 {
   9 #define test(ret, args...) \
  10   fprintf (stdout, args);               \
  11   if (fprintf (stdout, args) != ret)    \
  12     abort ();
  13   test (5, "hello");
  14   test (6, "hello\n");
  15   test (1, "a");
  16   test (0, "");
  17   test (5, "%s", "hello");
  18   test (6, "%s", "hello\n");
  19   test (1, "%s", "a");
  20   test (0, "%s", "");
  21   test (1, "%c", 'x');
  22   test (7, "%s\n", "hello\n");
  23   test (2, "%d\n", 0);
  24   return 0;
  25 }