[PATCH v2] docs/misra: add 14.3

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

From: Stefano Stabellini <stefano.stabellini@xxxxxxx>

Add 14.3, with project-wide deviations.

Also take the opportunity to clarify that parameters of function pointer
types are expected to have names (Rule 8.2).

Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxx>
---
Changes in v2:
- add switch to the Rule 14.3 exceptions
- add "and alike" for while(0) and while(1)
---
 docs/misra/rules.rst | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/docs/misra/rules.rst b/docs/misra/rules.rst
index 34916e266a..3d8d1633a4 100644
--- a/docs/misra/rules.rst
+++ b/docs/misra/rules.rst
@@ -234,7 +234,8 @@ maintainers if you want to suggest a change.
    * - `Rule 8.2 
<https://gitlab.com/MISRA/MISRA-C/MISRA-C-2012/Example-Suite/-/blob/master/R_08_02.c>`_
      - Required
      - Function types shall be in prototype form with named parameters
-     -
+     - Clarification: both function and function pointers types shall
+       have named parameters.
 
    * - `Rule 8.3 
<https://gitlab.com/MISRA/MISRA-C/MISRA-C-2012/Example-Suite/-/blob/master/R_08_03.c>`_
      - Required
@@ -385,6 +386,17 @@ maintainers if you want to suggest a change.
      - A loop counter shall not have essentially floating type
      -
 
+   * - `Rule 14.3 
<https://gitlab.com/MISRA/MISRA-C/MISRA-C-2012/Example-Suite/-/blob/master/R_14_03.c>`_
+     - Required
+     - Controlling expressions shall not be invariant
+     - Due to the extensive usage of IS_ENABLED, sizeof compile-time
+       checks, and other constructs that are detected as errors by MISRA
+       C scanners, managing the configuration of a MISRA C scanner for
+       this rule would be unmanageable. Thus, this rule is adopted with
+       a project-wide deviation on if ?: and switch statements.
+
+       while(0) and while(1) and alike are allowed.
+
    * - `Rule 16.7 
<https://gitlab.com/MISRA/MISRA-C/MISRA-C-2012/Example-Suite/-/blob/master/R_16_07.c>`_
      - Required
      - A switch-expression shall not have essentially Boolean type
-- 
2.25.1