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Wed, 25 Jun 2025 09:43:15 -0600 From: Tom Tromey To: Pedro Alves Cc: Tom Tromey , gdb-patches@sourceware.org Subject: Re: [PATCH 2/2] Allow check-mark to be changed for CLI In-Reply-To: <9621fa1e-76bb-42ca-bcb7-bb8f0560a89d@palves.net> (Pedro Alves's message of "Wed, 25 Jun 2025 11:05:35 +0100") References: <20250509-emoji-check-mark-v1-0-63b6c52411f3@adacore.com> <20250509-emoji-check-mark-v1-2-63b6c52411f3@adacore.com> <4045933d-2307-4c87-9fe8-5c941478510c@palves.net> <87tt45xeik.fsf@tromey.com> <9621fa1e-76bb-42ca-bcb7-bb8f0560a89d@palves.net> X-Attribution: Tom Date: Wed, 25 Jun 2025 09:43:13 -0600 Message-ID: <87ldpfygha.fsf@tromey.com> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - box5379.bluehost.com X-AntiAbuse: Original Domain - sourceware.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - tromey.com X-BWhitelist: no X-Source-IP: 97.118.59.152 X-Source-L: No X-Exim-ID: 1uUSHL-00000000yLB-25I7 X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 97-118-59-152.hlrn.qwest.net (bapiya) [97.118.59.152]:44368 X-Source-Auth: tom+tromey.com X-Email-Count: 2 X-Org: HG=bhshared;ORG=bluehost; X-Source-Cap: ZWx5bnJvYmk7ZWx5bnJvYmk7Ym94NTM3OS5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-CMAE-Envelope: MS4xfLbqsEEGsgbldsbzA1whUQ13RYUoQIg1MiZWUZWuBA3Ad4PoCBl0O4aUccJRzR8H/RYXpsVC/383u0r9Hd0k8Q93B/OniZx2nWAG1EocwVDBhy2NkJFE UVP/tHfI6srIiCMkhS5fqzO2bVi9bYPxiCYOE6RlHBOsgWvNTYqOZXlmHmZDsd2v/6AleLq7C/JZ969fvxVGqIVgLNpUul8Lp/M= X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces~public-inbox=simark.ca@sourceware.org Pedro> So maybe all we need is to base the "current" column's width Pedro> depend on the wcwidth of the character used. I think to do this we'd need something better than wcwidth. See appended. Also as Eli points out, the terminal itself can do something other than whatever wcwidth reports. Tom #define _XOPEN_SOURCE #include #include #define C L"=F0=9F=91=89" int main() { printf ("width =3D %d\n", wcswidth (C, wcslen (C))); printf ("of char =3D %d\n", wcwidth (C[0])); return 0; } bapiya. gcc -o q q.c bapiya. ./q width =3D -1 of char =3D -1