Home | History | Annotate | Line # | Download | only in lint1
msg_302.c revision 1.4 
      1 /*	$NetBSD: msg_302.c,v 1.4 2022/06/22 19:23:18 rillig Exp $	*/
      2 # 3 "msg_302.c"
      3 
      4 // Test for message: '%s' returns pointer to automatic object [302]
      5 
      6 void *
      7 return_arg(int arg)
      8 {
      9 	/* expect+1: warning: 'return_arg' returns pointer to automatic object [302] */
     10 	return &arg;
     11 }
     12 
     13 void *
     14 return_local(void)
     15 {
     16 	int local = 3;
     17 	/* expect+1: warning: 'return_local' returns pointer to automatic object [302] */
     18 	return &local;
     19 }
     20 
     21 void *
     22 return_local_array(_Bool cond)
     23 {
     24 	int local[5];
     25 	int *p = local;
     26 
     27 	/* XXX: lint doesn't track this indirection, but Clang-tidy does. */
     28 	if (cond)
     29 		return p;
     30 
     31 	/* expect+1: warning: 'return_local_array' returns pointer to automatic object [302] */
     32 	return local + 5;
     33 }
     34 
     35 void *
     36 return_static(void)
     37 {
     38 	static int long_lived = 3;
     39 	return &long_lived;
     40 }
     41