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ui: avoid compiler warnings from unused clipboard info variable 

With latest clang 13.0.0 we get

../ui/clipboard.c:47:34: error: variable 'old' set but not used [-Werror,-Wunused-but-set-variable]
    g_autoptr(QemuClipboardInfo) old = NULL;
                                 ^

The compiler can't tell that we only declared this variable in
order to get the side effect of free'ing it when out of scope.

This pattern is a little dubious for a use of g_autoptr, so
rewrite the code to avoid it.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
[AJB: fix merge conflict]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20211215141949.3512719-2-berrange@redhat.com>
Message-Id: <20220105135009.1584676-2-alex.bennee@linaro.org>
This commit is contained in:
Daniel P. Berrangé 2022-01-05 13:49:36 +00:00 committed by Alex Bennée
parent 6621441db5
commit 70a54b0169
1 changed files with 1 additions and 3 deletions
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4
ui/clipboard.c
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@ -62,13 +62,11 @@ void qemu_clipboard_update(QemuClipboardInfo *info)
.type = QEMU_CLIPBOARD_UPDATE_INFO,
.info = info,
};
g_autoptr(QemuClipboardInfo) old = NULL;
assert(info->selection < QEMU_CLIPBOARD_SELECTION__COUNT);
notifier_list_notify(&clipboard_notifiers, &notify);
old = cbinfo[info->selection];
qemu_clipboard_info_unref(cbinfo[info->selection]);
cbinfo[info->selection] = qemu_clipboard_info_ref(info);
}