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#include <stdlib.h>
struct ptr_wrapper
{
int *ptr;
};
struct ptr_wrapper
test_1 (void)
{
struct ptr_wrapper r;
r.ptr = (int *) malloc (sizeof (int));
return r;
}
struct ptr_wrapper
test_2 (void)
{
struct ptr_wrapper r, s;
r.ptr = (int *) malloc (sizeof (int));
s = r;
return s;
}
struct nested
{
struct ptr_wrapper w;
};
struct nested
test_3 (void)
{
struct nested n;
n.w.ptr = (int *) malloc (sizeof (int));
return n;
}
void test_4 (void)
{
struct ptr_wrapper r;
r.ptr = (int *) malloc (sizeof (int)); /* { dg-message "allocated here" } */
} /* { dg-warning "leak of 'r.ptr'" "" { target c } } */
/* { dg-warning "leak of 'r.ptr_wrapper::ptr'" "" { target c++ } .-1 } */
/* { dg-bogus "leak of '<unknown>'" "unknown leak" { target *-*-* } .-1 } */
static struct ptr_wrapper __attribute__((noinline))
called_by_test_5a (void)
{
struct ptr_wrapper r;
r.ptr = (int *) malloc (sizeof (int)); /* { dg-message "allocated here" } */
return r;
}
void test_5a (void)
{
struct ptr_wrapper q = called_by_test_5a ();
} /* { dg-warning "leak of 'q.ptr'" "" { target c } } */
/* { dg-warning "leak of 'q.ptr_wrapper::ptr'" "" { target c++ } .-1 } */
static struct ptr_wrapper __attribute__((noinline))
called_by_test_5b (void)
{
struct ptr_wrapper r;
r.ptr = (int *) malloc (sizeof (int));
return r; /* { dg-warning "leak of '<return-value>.ptr'" "" { target c } } */
/* TODO: show the allocation point; improve above messages. C++ does show it. */
}
void test_5b (void)
{
called_by_test_5b (); }
/* { dg-warning "leak of '<anonymous>.ptr_wrapper::ptr'" "" { target c++ } .-1 } */
/* The closing } above is intentionally on the same line as the call, because
otherwise the exact line of the diagnostics depends on whether the
called_by_test_5b () call satisfies aggregate_value_p or not. */
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