From: David Bremner <david@tethera.net>
To: notmuch@notmuchmail.org
Subject: [PATCH 5/8] lib: define macro NODISCARD
Date: Mon, 23 May 2022 20:38:58 -0300 [thread overview]
Message-ID: <20220523233901.3506880-6-david@tethera.net> (raw)
In-Reply-To: <20220523233901.3506880-1-david@tethera.net>
In either C++17 (or later) mode, or when running cppcheck, this can be
used to selectively generate warnings about discarded return values.
---
lib/notmuch-private.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/lib/notmuch-private.h b/lib/notmuch-private.h
index c63cfe5e..1c2290b2 100644
--- a/lib/notmuch-private.h
+++ b/lib/notmuch-private.h
@@ -750,6 +750,12 @@ _notmuch_talloc_steal (const void *new_ctx, const T *ptr)
#undef talloc_steal
#define talloc_steal _notmuch_talloc_steal
#endif
+
+#if __cplusplus >= 201703L || __cppcheck__
+#define NODISCARD [[nodiscard]]
+#else
+#define NODISCARD /**/
+#endif
#endif
#endif
--
2.35.2
next prev parent reply other threads:[~2022-05-23 23:39 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-23 23:38 incrementally improve error handling in notmuch_message* David Bremner
2022-05-23 23:38 ` [PATCH 1/8] test: define test_private_C David Bremner
2022-05-23 23:38 ` [PATCH 2/8] lib/message: catch exceptions in _n_m_add_term David Bremner
2022-05-23 23:38 ` [PATCH 3/8] test: _notmuch_message_remove_term catches exceptions David Bremner
2022-05-23 23:38 ` [PATCH 4/8] lib/message: drop _notmuch_message_get_thread_id_only David Bremner
2022-05-23 23:38 ` David Bremner [this message]
2022-05-23 23:38 ` [PATCH 6/8] lib/message: check return status of _n_m_{add,remove}_term David Bremner
2022-05-23 23:39 ` [PATCH 7/8] lib/message: check return status from _n_m_add_{path,folder}_terms David Bremner
2022-05-23 23:39 ` [PATCH 8/8] test: error handling in _n_message_{add,remove}_filename David Bremner
2022-06-25 19:00 ` incrementally improve error handling in notmuch_message* David Bremner
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