From: "(GalaxyMaster)" <galaxy@openwall.com.au>
To: musl@lists.openwall.com
Subject: Re: [musl] errno on writing to read-only files
Date: Wed, 13 Oct 2021 08:06:17 +0000 [thread overview]
Message-ID: <0100017c78b013a5-f8641dc7-a829-41eb-9a24-746239135dad-000000@email.amazonses.com> (raw)
In-Reply-To: <20211013072512.GB15338@altlinux.org>
Dmitry,
On Wed, Oct 13, 2021 at 10:25:12AM +0300, Dmitry V. Levin wrote:
> > errno = 0;
> > i = fputs("should not be written", f);
> > printf("i = %d (should be negative [EOF = %d])\n", i, EOF);
> > printf("errno = %d\n", errno);
>
> Note that the first "printf" invocation is allowed to clobber errno
> and this is not musl-specific.
Thanks, noted. I will ensure that in my future test cases I will put
printing errno right after the function I am checking.
--
(GM)
next prev parent reply other threads:[~2021-10-13 11:25 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-13 1:21 (GalaxyMaster)
2021-10-13 7:25 ` Dmitry V. Levin
2021-10-13 8:06 ` (GalaxyMaster) [this message]
2021-10-13 14:01 ` Rich Felker
2021-10-16 6:30 ` A. Wilcox
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