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

   1 /* { dg-skip-if "requires io" { freestanding } }  */
   2
   3 #ifndef test
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6 #include <stdarg.h>
   7
   8 void
   9 inner (int x, ...)
  10 {
  11   va_list ap, ap2;
  12   va_start (ap, x);
  13   va_start (ap2, x);
  14
  15   switch (x)
  16     {
  17 #define test(n, ret, fmt, args) \
  18     case n:                                     \
  19       vfprintf (stdout, fmt, ap);               \
  20       if (vfprintf (stdout, fmt, ap2) != ret)   \
  21         abort ();                               \
  22       break;
  23 #include "vfprintf-1.c"
  24 #undef test
  25     default:
  26       abort ();
  27     }
  28
  29   va_end (ap);
  30   va_end (ap2);
  31 }
  32
  33 int
  34 main (void)
  35 {
  36 #define test(n, ret, fmt, args) \
  37   inner args;
  38 #include "vfprintf-1.c"
  39 #undef test
  40   return 0;
  41 }
  42
  43 #else
  44   test (0, 5, "hello", (0));
  45   test (1, 6, "hello\n", (1));
  46   test (2, 1, "a", (2));
  47   test (3, 0, "", (3));
  48   test (4, 5, "%s", (4, "hello"));
  49   test (5, 6, "%s", (5, "hello\n"));
  50   test (6, 1, "%s", (6, "a"));
  51   test (7, 0, "%s", (7, ""));
  52   test (8, 1, "%c", (8, 'x'));
  53   test (9, 7, "%s\n", (9, "hello\n"));
  54   test (10, 2, "%d\n", (10, 0));
  55 #endif