gcc/testsuite/gcc.dg/format/builtin-1.c

   1 /* Test for format extensions.  Test that the __builtin functions get their
   2    default attributes even with -ffreestanding.
   3 */
   4 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
   5 /* { dg-do compile } */
   6 /* { dg-options "-std=gnu99 -Wformat -ffreestanding" } */
   7
   8 #include "format.h"
   9
  10 void
  11 foo (int i)
  12 {
  13   __builtin_fprintf (stdout, "%d", i);
  14   __builtin_fprintf (stdout, "%ld", i); /* { dg-warning "format" "__builtin_fprintf" } */
  15   __builtin_printf ("%d", i);
  16   __builtin_printf ("%ld", i); /* { dg-warning "format" "__builtin_printf" } */
  17
  18   __builtin_fprintf_unlocked (stdout, "%d", i);
  19   __builtin_fprintf_unlocked (stdout, "%ld", i); /* { dg-warning "format" "__builtin_fprintf_unlocked" } */
  20   __builtin_printf_unlocked ("%d", i);
  21   __builtin_printf_unlocked ("%ld", i); /* { dg-warning "format" "__builtin_printf_unlocked" } */
  22 }