From: Matthew Wilcox <willy@infradead.org>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: Roberto Sassu <roberto.sassu@huawei.com>,
zohar@linux.ibm.com, linux-integrity@vger.kernel.org,
linux-security-module@vger.kernel.org, linux-doc@vger.kernel.org,
linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC][PATCH 03/12] digest_lists: Basic definitions
Date: Sun, 27 Jun 2021 16:23:26 +0100 [thread overview]
Message-ID: <YNiX7nyQIS/eg+VC@casper.infradead.org> (raw)
In-Reply-To: <YNhYu3BXh7f9GkVk@kroah.com>
On Sun, Jun 27, 2021 at 12:53:47PM +0200, Greg KH wrote:
> > +enum ops { DIGEST_LIST_ADD, DIGEST_LIST_DEL, DIGEST_LIST_OP__LAST };
> > +
>
> For enums you export to userspace, you need to specify the values so
> that all compilers get them right.
I've never heard that rule before. Where does it come from?
https://en.cppreference.com/w/c/language/enum
says:
If enumeration-constant is not followed by = constant-expression,
its value is the value one greater than the value of the previous
enumerator in the same enumeration. The value of the first enumerator
(if it does not use = constant-expression) is zero.
next prev parent reply other threads:[~2021-06-27 15:24 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-25 16:56 [RFC][PATCH 00/12] Huawei Digest Lists Roberto Sassu
2021-06-25 16:56 ` [RFC][PATCH 01/12] ima: Add digest, algo, measured parameters to ima_measure_critical_data() Roberto Sassu
2021-06-25 18:26 ` Mimi Zohar
2021-06-25 16:56 ` [RFC][PATCH 02/12] digest_lists: Overview Roberto Sassu
2021-06-25 16:56 ` [RFC][PATCH 03/12] digest_lists: Basic definitions Roberto Sassu
2021-06-27 10:53 ` Greg KH
2021-06-27 15:23 ` Matthew Wilcox [this message]
2021-06-27 15:35 ` Greg KH
2021-06-28 8:30 ` Roberto Sassu
2021-06-28 8:46 ` Greg KH
2021-06-28 9:27 ` Roberto Sassu
2021-06-28 9:32 ` Greg KH
2021-06-28 9:51 ` Roberto Sassu
2021-06-25 16:56 ` [RFC][PATCH 04/12] digest_lists: Objects Roberto Sassu
2021-06-27 10:56 ` Greg KH
2021-06-28 8:14 ` Roberto Sassu
2021-06-28 8:47 ` Greg KH
2021-06-25 16:56 ` [RFC][PATCH 05/12] digest_lists: Methods Roberto Sassu
2021-06-25 16:56 ` [RFC][PATCH 06/12] digest_lists: Parser Roberto Sassu
2021-06-25 16:56 ` [RFC][PATCH 07/12] digest_lists: Interfaces - digest_list_add, digest_list_del Roberto Sassu
2021-06-25 16:56 ` [RFC][PATCH 08/12] digest_lists: Interfaces - digest_lists_loaded Roberto Sassu
2021-06-25 16:56 ` [RFC][PATCH 09/12] digest_lists: Interfaces - digest_label Roberto Sassu
2021-06-25 16:56 ` [RFC][PATCH 10/12] digest_lists: Interfaces - digest_query Roberto Sassu
2021-06-25 16:56 ` [RFC][PATCH 11/12] digest_lists: Interfaces - digests_count Roberto Sassu
2021-06-25 16:56 ` [RFC][PATCH 12/12] digest_lists: Tests Roberto Sassu
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