/* Test for message: non-unique member requires struct/union %s [105] */
/* lint1-flags: -tw */
/*
* In traditional C, the expression 'x->y' did not only allow struct or union
* pointers for 'x', but in fact any scalar expression, which would then be
* dereferenced as if it were a struct or union.
*
* This led to ambiguities if several structs had a member of the same name
* but with different offsets. In such a case, that member name could only
* be used with one of its actual struct types.
*/
struct one {
int member;
};
struct two {
int before_member; /* make the offset of 'member' different */
int member;
};
struct three {
int x;
int y;
};
int
example(x)
int *x;
{
/* expect+1: error: non-unique member requires struct/union pointer [105] */
return x->member;
}
int
member_of_wrong_struct(t)
struct three *t;
{
/* expect+1: error: invalid use of member 'member' [102] */
return t->member;
}
