70 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			70 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
// RUN: %clang_cc1 -fsyntax-only -triple x86_64-apple-macosx10.9.0 -verify -Wsentinel -std=c++11 %s
 | 
						|
 | 
						|
ptrdiff_t p0; // expected-error{{unknown}}
 | 
						|
size_t s0; // expected-error{{unknown}}
 | 
						|
void* v0 = NULL; // expected-error{{undeclared}}
 | 
						|
wint_t w0; // expected-error{{unknown}}
 | 
						|
max_align_t m0; // expected-error{{unknown}}
 | 
						|
 | 
						|
#define __need_ptrdiff_t
 | 
						|
#include <stddef.h>
 | 
						|
 | 
						|
ptrdiff_t p1;
 | 
						|
size_t s1; // expected-error{{unknown}}
 | 
						|
void* v1 = NULL; // expected-error{{undeclared}}
 | 
						|
wint_t w1; // expected-error{{unknown}}
 | 
						|
max_align_t m1; // expected-error{{unknown}}
 | 
						|
 | 
						|
#define __need_size_t
 | 
						|
#include <stddef.h>
 | 
						|
 | 
						|
ptrdiff_t p2;
 | 
						|
size_t s2;
 | 
						|
void* v2 = NULL; // expected-error{{undeclared}}
 | 
						|
wint_t w2; // expected-error{{unknown}}
 | 
						|
max_align_t m2; // expected-error{{unknown}}
 | 
						|
 | 
						|
#define __need_NULL
 | 
						|
#include <stddef.h>
 | 
						|
 | 
						|
ptrdiff_t p3;
 | 
						|
size_t s3;
 | 
						|
void* v3 = NULL;
 | 
						|
wint_t w3; // expected-error{{unknown}}
 | 
						|
max_align_t m3; // expected-error{{unknown}}
 | 
						|
 | 
						|
// Shouldn't bring in wint_t by default:
 | 
						|
#include <stddef.h>
 | 
						|
 | 
						|
ptrdiff_t p4;
 | 
						|
size_t s4;
 | 
						|
void* v4 = NULL;
 | 
						|
wint_t w4; // expected-error{{unknown}}
 | 
						|
max_align_t m4;
 | 
						|
 | 
						|
#define __need_wint_t
 | 
						|
#include <stddef.h>
 | 
						|
 | 
						|
ptrdiff_t p5;
 | 
						|
size_t s5;
 | 
						|
void* v5 = NULL;
 | 
						|
wint_t w5;
 | 
						|
max_align_t m5;
 | 
						|
 | 
						|
 | 
						|
// linux/stddef.h does something like this for cpp files:
 | 
						|
#undef NULL
 | 
						|
#define NULL 0
 | 
						|
 | 
						|
// glibc (and other) headers then define __need_NULL and rely on stddef.h
 | 
						|
// to redefine NULL to the correct value again.
 | 
						|
#define __need_NULL
 | 
						|
#include <stddef.h>
 | 
						|
 | 
						|
// gtk headers then use __attribute__((sentinel)), which doesn't work if NULL
 | 
						|
// is 0.
 | 
						|
void f(const char* c, ...) __attribute__((sentinel));
 | 
						|
void g() {
 | 
						|
  f("", NULL);  // Shouldn't warn.
 | 
						|
}
 |