blob: 89d3edf9663dbfbf4c1cc78b49a33bd7ec4637af [file] [log] [blame]
// { dg-do compile }
// { dg-options "-Wall" }
typedef __SIZE_TYPE__ size_t;
extern "C" void *memset (void *, int, size_t);
char buf[1024];
namespace std
{
extern "C" void *memset (void *, int, size_t);
}
template <int N>
void
foo ()
{
memset (buf, sizeof buf, 0); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
memset (buf, sizeof buf, '\0'); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
memset (buf, sizeof buf, L'\0'); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
memset (buf, sizeof buf, N);
memset (buf, 1, 1 - 1);
memset (buf, 1, 0 - 0);
memset (buf, 1, N - N);
memset (buf, 0, 0);
memset (buf, 1 - 1, 0); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
memset (buf, 0 - 0, 0); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
memset (buf, sizeof buf, 0L); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
memset (buf, sizeof buf, 0UL); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
memset (buf, sizeof buf, 0LL); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
memset (buf, sizeof buf, 0ULL); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
memset (buf, sizeof buf, (int) 0);
memset (buf, sizeof buf, -0);
}
template <int N>
void
baz ()
{
std::memset (buf, sizeof buf, 0); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
std::memset (buf, sizeof buf, '\0'); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
std::memset (buf, sizeof buf, L'\0'); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
std::memset (buf, sizeof buf, N);
std::memset (buf, 1, 1 - 1);
std::memset (buf, 1, 0 - 0);
std::memset (buf, 1, N - N);
std::memset (buf, 0, 0);
std::memset (buf, 1 - 1, 0); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
std::memset (buf, 0 - 0, 0); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
std::memset (buf, sizeof buf, 0L); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
std::memset (buf, sizeof buf, 0UL); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
std::memset (buf, sizeof buf, 0LL); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
std::memset (buf, sizeof buf, 0ULL); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
std::memset (buf, sizeof buf, (int) 0);
std::memset (buf, sizeof buf, -0);
}
void
bar ()
{
foo<0> ();
std::memset (buf, sizeof buf, 0); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
std::memset (buf, sizeof buf, '\0'); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
std::memset (buf, sizeof buf, L'\0'); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
std::memset (buf, 1, 1 - 1);
std::memset (buf, 1, 0 - 0);
std::memset (buf, 0, 0);
std::memset (buf, 1 - 1, 0); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
std::memset (buf, 0 - 0, 0); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
std::memset (buf, sizeof buf, 0L); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
std::memset (buf, sizeof buf, 0UL); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
std::memset (buf, sizeof buf, 0LL); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
std::memset (buf, sizeof buf, 0ULL); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
std::memset (buf, sizeof buf, (int) 0);
std::memset (buf, sizeof buf, -0);
}