blob: 5ca6a8d0011360bd7ff89bb85ad3ad4aa86d863c [file] [log] [blame]
// RUN: %clang_cc1 -fsyntax-only -verify %s
#define NULL (void*)0
#define ATTR __attribute__ ((__sentinel__))
void foo1 (int x, ...) ATTR; // expected-note 2 {{function has been explicitly marked sentinel here}}
void foo5 (int x, ...) __attribute__ ((__sentinel__(1))); // expected-note {{function has been explicitly marked sentinel here}}
void foo6 (int x, ...) __attribute__ ((__sentinel__(5))); // expected-note {{function has been explicitly marked sentinel here}}
void foo7 (int x, ...) __attribute__ ((__sentinel__(0))); // expected-note {{function has been explicitly marked sentinel here}}
void foo10 (int x, ...) __attribute__ ((__sentinel__(1,1)));
void foo12 (int x, ... ) ATTR; // expected-note {{function has been explicitly marked sentinel here}}
void test1() {
foo1(1, NULL); // OK
foo1(1, 0) ; // expected-warning {{missing sentinel in function call}}
foo5(1, NULL, 2); // OK
foo5(1,2,NULL, 1); // OK
foo5(1, NULL, 2, 1); // expected-warning {{missing sentinel in function call}}
foo6(1,2,3,4,5,6,7); // expected-warning {{missing sentinel in function call}}
foo6(1,NULL,3,4,5,6,7); // OK
foo7(1); // expected-warning {{not enough variable arguments in 'foo7' declaration to fit a sentinel}}
foo7(1, NULL); // OK
foo12(1); // expected-warning {{not enough variable arguments in 'foo12' declaration to fit a sentinel}}
// PR 5685
struct A {};
struct A a, b, c;
foo1(3, &a, &b, &c); // expected-warning {{missing sentinel in function call}}
foo1(3, &a, &b, &c, (struct A*) 0);
}
void (*e) (int arg, const char * format, ...) __attribute__ ((__sentinel__ (1,1)));
void test2() {
void (*b) (int arg, const char * format, ...) __attribute__ ((__sentinel__)); // expected-note {{function has been explicitly marked sentinel here}}
void (*z) (int arg, const char * format, ...) __attribute__ ((__sentinel__ (2))); // expected-note {{function has been explicitly marked sentinel here}}
void (*y) (int arg, const char * format, ...) __attribute__ ((__sentinel__ (5))); // expected-note {{function has been explicitly marked sentinel here}}
b(1, "%s", (void*)0); // OK
b(1, "%s", 0); // expected-warning {{missing sentinel in function call}}
z(1, "%s",4 ,1,0); // expected-warning {{missing sentinel in function call}}
z(1, "%s", (void*)0, 1, 0); // OK
y(1, "%s", 1,2,3,4,5,6,7); // expected-warning {{missing sentinel in function call}}
y(1, "%s", (void*)0,3,4,5,6,7); // OK
}