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t=1631271063; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=HP6usu7N2FX5tMF3v/szJ6cYGIF+Y9qGcYkvbq2TWWo=; b=cjer9vnmpvA+ExBViE4YY3q5mS3MsHjGFQt5Y3ur7PpBd6uVkfEr8LKgpuGfd9ODyrMXHG yeQnUxX38FxKnbXQef2HDJs5G507W+Od3dSe+OIVfh/bceMMyVRLFKWf1bP03mfiCT4q6d Wep/AI3IiJ5dl9U3oRKyQwZU9+xXucg= X-MC-Unique: q9q1kCYvMAGGTrhabmITkA-1 From: Tim Wiederhake To: libvir-list@redhat.com Subject: [libvirt PATCH v2 04/12] internal: Add CONCAT macro Date: Fri, 10 Sep 2021 12:45:46 +0200 Message-Id: <20210910104554.21040-5-twiederh@redhat.com> In-Reply-To: <20210910104554.21040-1-twiederh@redhat.com> References: <20210910104554.21040-1-twiederh@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-loop: libvir-list@redhat.com Cc: Tim Wiederhake X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=libvir-list-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1631271065873100001 Content-Type: text/plain; charset="utf-8" Using the two-step idiom to force resolution of other macros, e.g.: #define bar BAR CONCAT_(foo, bar) // foobar CONCAT(foo, bar) // fooBAR Signed-off-by: Tim Wiederhake --- src/internal.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/internal.h b/src/internal.h index e1250a59fe..48188e6fa3 100644 --- a/src/internal.h +++ b/src/internal.h @@ -93,6 +93,9 @@ =20 #define NUL_TERMINATE(buf) do { (buf)[sizeof(buf)-1] =3D '\0'; } while (0) =20 +#define CONCAT_(a, b) a ## b +#define CONCAT(a, b) CONCAT_(a, b) + #ifdef WIN32 # ifndef O_CLOEXEC # define O_CLOEXEC _O_NOINHERIT --=20 2.31.1