File: warn-missing-prototypes.c

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// RUN: %clang_cc1 -fsyntax-only -Wdocumentation -Wmissing-prototypes -verify %s
// RUN: %clang_cc1 -fsyntax-only -Wdocumentation -Wmissing-prototypes -fdiagnostics-parseable-fixits %s 2>&1 | FileCheck %s

int f();

int f(int x) { return x; } // expected-warning{{no previous prototype for function 'f'}}

static int g(int x) { return x; }

int h(int x) { return x; } // expected-warning{{no previous prototype for function 'h'}}

static int g2();

int g2(int x) { return x; }

void test(void);

int h3();
int h4(int);
int h4();

void test(void) {
  int h2(int x);
  int h3(int x);
  int h4();
}

int h2(int x) { return x; } // expected-warning{{no previous prototype for function 'h2'}}
int h3(int x) { return x; } // expected-warning{{no previous prototype for function 'h3'}}
int h4(int x) { return x; }

int f2(int);
int f2();

int f2(int x) { return x; }

// rdar://6759522
int main(void) { return 0; }

void not_a_prototype_test(); // expected-note{{this declaration is not a prototype; add 'void' to make it a prototype for a zero-parameter function}}
void not_a_prototype_test() { } // expected-warning{{no previous prototype for function 'not_a_prototype_test'}}

// CHECK: fix-it:"{{.*}}":{40:27-40:27}:"void"