Hi!
In Fedora package build I've noticed a failure
/builddir/build/BUILD/gcc-13.0.1-20230324/libstdc++-v3/testsuite/experimental/net/timer/waitable/dest.cc:
In function 'void test01()':
/builddir/build/BUILD/gcc-13.0.1-20230324/libstdc++-v3/testsuite/experimental/net/timer/waitable/dest.cc:41:
warning: format '%lu' expects argument of type 'long unsigned int', but a
rgument 2 has type 'unsigned int' [-Wformat=]
FAIL: experimental/net/timer/waitable/dest.cc (test for excess errors)
Excess errors:
/builddir/build/BUILD/gcc-13.0.1-20230324/libstdc++-v3/testsuite/experimental/net/timer/waitable/dest.cc:41:
warning: format '%lu' expects argument of type 'long unsigned int', but
argument 2 has type 'unsigned int' [-Wformat=]
because we build with -Wformat.
The test uses %lu for size_t argument, which can be anything from unsigned
int to unsigned long long. As for printf I'm not sure we can use %zu
portably and given the n == 1 assertion, I think the options are to kill
the printf, or cast to long.
Ok for trunk?
2023-03-27 Jakub Jelinek <ja...@redhat.com>
* testsuite/experimental/net/timer/waitable/dest.cc: Avoid -Wformat
warning if size_t is not unsigned long.
--- libstdc++-v3/testsuite/experimental/net/timer/waitable/dest.cc.jj
2023-01-16 11:52:17.394714745 +0100
+++ libstdc++-v3/testsuite/experimental/net/timer/waitable/dest.cc
2023-03-25 14:35:49.046639413 +0100
@@ -38,7 +38,7 @@ test01()
timer.async_wait([&ec](std::error_code e) { ec = e; });
}
auto n = ctx.run();
- __builtin_printf("ran %lu\n", n);
+ __builtin_printf("ran %lu\n", long(n));
VERIFY( n == 1 );
VERIFY( ec == std::errc::operation_canceled );
}
Jakub
