Path: csiph.com!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Tim Rentsch Newsgroups: comp.lang.c Subject: Re: sizeof struct with flexible array: when did it change? Date: Fri, 11 Apr 2025 04:53:48 -0700 Organization: A noiseless patient Spider Lines: 16 Message-ID: <86bjt2c3sj.fsf@linuxsc.com> References: <20241006192337.76@kylheku.com> <20250410200202.357@kylheku.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Injection-Date: Fri, 11 Apr 2025 13:53:52 +0200 (CEST) Injection-Info: dont-email.me; posting-host="71ab0539a1cf710e3caa6c34edacc1d7"; logging-data="1597659"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+sz3GY2xyDJs7C+JQGtoKoontyso6gUb4=" User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.4 (gnu/linux) Cancel-Lock: sha1:p9Ve7y2gEtdb4YtCbjiG64/O4yQ= sha1:Ioa7upPHF5UvIWw2mldsxL7Vv2k= Xref: csiph.com comp.lang.c:392376 Kaz Kylheku <643-408-1753@kylheku.com> writes: > On 2024-10-07, Kaz Kylheku <643-408-1753@kylheku.com> wrote: > >> C99 said that the size of a structure that ends in a flexible array >> member is the same as the offset of that flexible member in a >> similar structure in which the array has some unspecified size. >> >> The latest draft says that the size is calculated as if the flexible >> array member were omitted, except that there may be more padding than >> the omission would imply. > > I just noticed that a draft version of C99 has exactly this > same wording! I am skeptical. Which document is that exactly?