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a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1714167390; bh=9GYZQex2/gm04Q/M2dnesvyzpTgonNuQh7Av2l719Jc=; h=Date:From:To:cc:Subject:From; b=EOkeu81HEYwxGXgYbxBafUXDlFJLASFzr3428W2VdexCf/aArKX5Ceydmh5UuBlnV u27eVrWfu5/yap/r3l+WQ582cp6NwyFGeBaqgWEZp9vAIBFYuZ3YztTF56NYkVxj4J dnWGsYXBucK4xkYfx+MKs9xagSpDjwF0iuH2JSjOsiogmiUs+bm1WsJq1Jx22b/7s0 SjZK7lAkdFYFVoSirR4OAvlBFg7IrQHMPachpUiUBGhxxTaPwUBMp00hW9sGegXGNJ DxKtrheeun4TAV6z2AkMWQLsTBC33PQutInGYGYQU/e5R8+q53hjPb5S3yi8AB/twI FvbL6CHMgS+Jg== Date: Fri, 26 Apr 2024 14:36:28 -0700 (PDT) From: Stefano Stabellini X-X-Sender: sstabellini@ubuntu-linux-20-04-desktop To: xen-devel@lists.xenproject.org cc: sstabellini@kernel.org, =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= , Jan Beulich , Andrew Cooper , Julien Grall , Bertrand Marquis , Michal Orzel Subject: [PATCH v3] docs/misra: add R21.6 R21.9 R21.10 R21.14 R21.15 R21.16 Message-ID: User-Agent: Alpine 2.22 (DEB 394 2020-01-19) MIME-Version: 1.0 X-ZohoMail-DKIM: pass (identity @kernel.org) X-ZM-MESSAGEID: 1714167418495100001 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Signed-off-by: Stefano Stabellini Acked-by: Bertrand Marquis --- Changes in v3: - add explanation in footnote - remove comment from 21.14, 21.15, 21.16 docs/misra/rules.rst | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/docs/misra/rules.rst b/docs/misra/rules.rst index b7b447e152..5ba7394f05 100644 --- a/docs/misra/rules.rst +++ b/docs/misra/rules.rst @@ -652,12 +652,48 @@ maintainers if you want to suggest a change. declared - See comment for Rule 21.1 =20 + * - `Rule 21.6 `_ + - Required + - The Standard Library input/output routines shall not be used + - Xen doesn't provide, use, or link against a Standard Library [1]_ + + * - `Rule 21.9 `_ + - Required + - The library functions bsearch and qsort of shall not be = used + - Xen doesn't provide, use, or link against a Standard Library [1]_ + + * - `Rule 21.10 `_ + - Required + - The Standard Library time and date routines shall not be used + - Xen doesn't provide, use, or link against a Standard Library [1]_ + * - `Rule 21.13 `_ - Mandatory - Any value passed to a function in shall be representable = as an unsigned char or be the value EOF - =20 + * - `Rule 21.14 `_ + - Required + - The Standard Library function memcmp shall not be used to compare + null terminated strings + - + + * - `Rule 21.15 `_ + - Required + - The pointer arguments to the Standard Library functions memcpy, + memmove and memcmp shall be pointers to qualified or unqualified + versions of compatible types + - + + * - `Rule 21.16 `_ + - Required + - The pointer arguments to the Standard Library function memcmp + shall point to either a pointer type, an essentially signed type, + an essentially unsigned type, an essentially Boolean type or an + essentially enum type + - void* arguments are allowed + * - `Rule 21.17 `_ - Mandatory - Use of the string handling functions from shall not resu= lt in @@ -712,3 +748,9 @@ maintainers if you want to suggest a change. - The value of a pointer to a FILE shall not be used after the associ= ated stream has been closed - + + +.. [1] Xen implements itself a few functions with names that match the + corresponding function names of the Standard Library for developers' + convenience. These functions are part of the Xen code and subject to + analysis. --=20 2.25.1