xiaoxiang781216 commented on code in PR #15320: URL: https://github.com/apache/nuttx/pull/15320#discussion_r1897370475
########## libs/libc/stdio/lib_libvsprintf.c: ########## @@ -163,6 +163,10 @@ static int vsprintf_internal(FAR struct lib_outstream_s *stream, uint16_t flags; int width; int prec; + + /* For the %m format we may need the current `errno' value */ + + int saved_errno = errno; Review Comment: yes, we need carefully review the code to ensure nobody change the errno before enter `case 'm'` block. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@nuttx.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
