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no-senders; approved; loop; banned-address; header-match-ffmpeg-devel.ffmpeg.org-0; header-match-ffmpeg-devel.ffmpeg.org-1; header-match-ffmpeg-devel.ffmpeg.org-2; header-match-ffmpeg-devel.ffmpeg.org-3; emergency; member-moderation X-Mailman-Version: 3.3.10 Precedence: list Reply-To: FFmpeg development discussions and patches Subject: [FFmpeg-devel] [PR] RFC: Add preference of narrow variable scope, especially in loops, to the docs (PR #21808) List-Id: FFmpeg development discussions and patches Archived-At: Archived-At: List-Archive: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Marvin Scholz via ffmpeg-devel Cc: Marvin Scholz Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Archived-At: List-Archive: List-Post: PR #21808 opened by Marvin Scholz (ePirat) URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21808 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21808.patch >>From cdadf39f25d4ab4004da9f7244e888d53ee84946 Mon Sep 17 00:00:00 2001 From: Marvin Scholz Date: Thu, 19 Feb 2026 22:43:04 +0100 Subject: [PATCH] doc: add narrow variable scope in loops to style examples --- doc/developer.texi | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/doc/developer.texi b/doc/developer.texi index 10a2de00df..e5c33bbcae 100644 --- a/doc/developer.texi +++ b/doc/developer.texi @@ -224,6 +224,25 @@ AVStream *stream; AVStream* stream; @end example +@item +When sensible, prefer a narrow variable scope, especially in for loops: + +@example c, good +// Good +for (unsigned i = 0; i < submix->nb_elements; i++) { + // Do something... +} +@end example + +@example c, bad +// Bad style +unsigned i; +//... +for (i = 0; i < submix->nb_elements; i++) { + // Do something... +} +@end example + @end itemize If you work on a file that does not follow these guidelines consistently, -- 2.52.0 _______________________________________________ ffmpeg-devel mailing list -- ffmpeg-devel@ffmpeg.org To unsubscribe send an email to ffmpeg-devel-leave@ffmpeg.org