[XEN PATCH v3 01/12] automation/eclair: fix deviation of MISRA C Rule 16.3

[Federico Serafini <federico.serafini@xxxxxxxxxxx>]

Escape the final dot of the comment and extend the search of a
fallthrough comment up to 2 lines after the last statement.

Fixes: a128d8da913b ("automation/eclair: add deviations for MISRA C:2012 Rule 
16.3")
Reported-by: Jan Beulich <jbeulich@xxxxxxxx>
Signed-off-by: Federico Serafini <federico.serafini@xxxxxxxxxxx>
Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
Changes in v3:
- truncate to 12 digits.

Changes in v2:
- instead of introducing the hypened fallthrough, insert the missing escape.
---
 automation/eclair_analysis/ECLAIR/deviations.ecl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/automation/eclair_analysis/ECLAIR/deviations.ecl 
b/automation/eclair_analysis/ECLAIR/deviations.ecl
index c8bff0e057..9b994be63d 100644
--- a/automation/eclair_analysis/ECLAIR/deviations.ecl
+++ b/automation/eclair_analysis/ECLAIR/deviations.ecl
@@ -416,7 +416,7 @@ safe."
 -doc_end
 
 -doc_begin="Switch clauses ending with an explicit comment indicating the 
fallthrough intention are safe."
--config=MC3R1.R16.3,reports+={safe, "any_area(end_loc(any_exp(text(^(?s).*/\\* 
[fF]all ?through.? \\*/.*$,0..1))))"}
+-config=MC3R1.R16.3,reports+={safe, "any_area(end_loc(any_exp(text(^(?s).*/\\* 
[fF]all ?through\\.? \\*/.*$,0..2))))"}
 -doc_end
 
 -doc_begin="Switch statements having a controlling expression of enum type 
deliberately do not have a default case: gcc -Wall enables -Wswitch which warns 
(and breaks the build as we use -Werror) if one of the enum labels is missing 
from the switch."
-- 
2.34.1