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>
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@ -62,13 +62,11 @@ void qemu_clipboard_update(QemuClipboardInfo *info)
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.type = QEMU_CLIPBOARD_UPDATE_INFO,
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.type = QEMU_CLIPBOARD_UPDATE_INFO,
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.info = info,
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.info = info,
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};
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};
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g_autoptr(QemuClipboardInfo) old = NULL;
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assert(info->selection < QEMU_CLIPBOARD_SELECTION__COUNT);
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assert(info->selection < QEMU_CLIPBOARD_SELECTION__COUNT);
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notifier_list_notify(&clipboard_notifiers, ¬ify);
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notifier_list_notify(&clipboard_notifiers, ¬ify);
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old = cbinfo[info->selection];
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qemu_clipboard_info_unref(cbinfo[info->selection]);
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cbinfo[info->selection] = qemu_clipboard_info_ref(info);
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cbinfo[info->selection] = qemu_clipboard_info_ref(info);
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}
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}
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