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tests: Fix build warning "dereferencing type-punned pointer will break strict-aliasing rules"

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To avoid that build break in test-marshall-recursive-util.c the newly
added function _dbus_string_append_buffer_as_hex() is used to print
the hex bytes.

Signed-off-by: Ralf Habacker <ralf.habacker@freenet.de>
This commit is contained in:
Ralf Habacker 2022-04-07 12:34:00 +02:00
parent 2e63543b93
commit 29946ad7c1
1 changed files with 22 additions and 7 deletions
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29
test/internals/dbus-marshal-recursive-util.c
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@ -2625,13 +2625,28 @@ double_read_value (TestTypeNode *node,
expected = double_from_seed (seed);
if (!_DBUS_DOUBLES_BITWISE_EQUAL (v, expected))
_dbus_test_fatal ("Expected double %g got %g\n"
" bits = 0x%" DBUS_INT64_MODIFIER "x vs.\n"
" bits = 0x%" DBUS_INT64_MODIFIER "x",
expected, v,
*(dbus_uint64_t*)(char*)&expected,
*(dbus_uint64_t*)(char*)&v);
{
DBusString es = _DBUS_STRING_INIT_INVALID;
DBusString vs = _DBUS_STRING_INIT_INVALID;
if (!_dbus_string_init (&es))
goto out;
if (!_dbus_string_init (&vs))
goto out;
if (!_dbus_string_append_buffer_as_hex (&es, &expected, sizeof(double)))
goto out;
if (!_dbus_string_append_buffer_as_hex (&vs, &v, sizeof(double)))
goto out;
_dbus_test_fatal ("Expected double %g got %g\n"
" bits = 0x%s vs.\n"
" bits = 0x%s",
expected, v,
_dbus_string_get_const_data (&es),
_dbus_string_get_const_data (&vs));
out:
_dbus_string_free (&es);
_dbus_string_free (&vs);
return FALSE;
}
return TRUE;
}