attrib4.c

来自「this is a gcc file, you can download it 」· C语言 代码 · 共 25 行

// Test that attributes are really applied to function declarations under
// various conditions.
// Contributed by Jason Merrill ([e-mail])
// Special g++ Options: -Wformat
// Build don't link:

#define PF __attribute__ ((format (printf, 1, 2)))

struct A {
  static PF void f (char *, ...);
  friend PF void g (char *, ...);
  static void test ();
};

void PF h (char *, ...);
void PF k (char *, ...) { }

void A::test ()
{
  f ("%f", 42);			// WARNING - 
  g ("%f", 42);			// WARNING - 
  h ("%f", 42);			// WARNING - 
  k ("%f", 42);			// WARNING - 
}