void
example(int *ptr)
{
/* expect+1: warning: invalid combination of 'pointer to function(int) returning void' and 'pointer to int', op 'init' [124] */
signal_handler handler = ptr;
/* expect+1: warning: invalid combination of 'pointer to function(pointer to function(int) returning void) returning pointer to function(int) returning void' and 'pointer to int', op 'init' [124] */
sys_signal signal = ptr;
/* expect+1: warning: invalid combination of 'pointer to function(pointer to const char, ...) returning int' and 'pointer to int', op 'init' [124] */
printflike printf = ptr;
}
void ok(_Bool);
void not_ok(_Bool);
void
compare_pointers(const void *vp, const char *cp, const int *ip,
signal_handler fp)
{
ok(vp == cp);
ok(vp == ip);
/* expect+1: warning: C90 or later forbid comparison of 'void *' with function pointer [274] */
ok(vp == fp);
/* expect+1: warning: invalid combination of 'pointer to const char' and 'pointer to const int', op '==' [124] */
not_ok(cp == ip);
/* expect+1: warning: invalid combination of 'pointer to const char' and 'pointer to function(int) returning void', op '==' [124] */
not_ok(cp == fp);
ok(vp == (void *)0);
ok(cp == (void *)0);
ok(ip == (void *)0);
ok(fp == (void *)0); /* wrong 274 before 2021-01-25 */
ok((void *)0 == vp);
ok((void *)0 == cp);
ok((void *)0 == ip);
ok((void *)0 == fp); /* wrong 274 before 2021-01-25 */
ok(vp == 0);
ok(cp == 0);
ok(ip == 0);
ok(fp == 0);
ok(vp == 0L);
ok(cp == 0L);
ok(ip == 0L);
ok(fp == 0L);
}
