test/Sema/warn-missing-prototypes.c

   1 // RUN: %clang -Wmissing-prototypes -fsyntax-only -Xclang -verify %s
   2
   3 int f();
   4
   5 int f(int x) { return x; } // expected-warning{{no previous prototype for function 'f'}}
   6
   7 static int g(int x) { return x; }
   8
   9 int h(int x) { return x; } // expected-warning{{no previous prototype for function 'h'}}
  10
  11 static int g2();
  12
  13 int g2(int x) { return x; }
  14
  15 void test(void);
  16
  17 int h3();
  18 int h4(int);
  19 int h4();
  20
  21 void test(void) {
  22   int h2(int x);
  23   int h3(int x);
  24   int h4();
  25 }
  26
  27 int h2(int x) { return x; } // expected-warning{{no previous prototype for function 'h2'}}
  28 int h3(int x) { return x; } // expected-warning{{no previous prototype for function 'h3'}}
  29 int h4(int x) { return x; }
  30
  31 int f2(int);
  32 int f2();
  33
  34 int f2(int x) { return x; }
  35
  36 // rdar://6759522
  37 int main(void) { return 0; }