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libc: types: suppress deviation

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Suppress violation, because it is a deliberated deviation.
Noticed, that my previous PR #36420 comments were not correctly
detected by a static analysis tool. Only the first one item
"MISRAC2012-RULE_20_4-a" was detected and suppressed.

Change comment style, so each item will be suppressed.
Comment style defined in PR #36911 as the most suitable
for the analysis tool.

Signed-off-by: Maksim Masalski <maksim.masalski@intel.com>
This commit is contained in:
Maksim Masalski 2021-07-07 16:27:15 +08:00 committed by Christopher Friedt
parent cd87366016
commit e02c7bd466
1 changed files with 8 additions and 4 deletions
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12
lib/libc/minimal/include/sys/types.h
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@ -16,11 +16,15 @@ typedef unsigned int mode_t;
#if !defined(__ssize_t_defined)
#define __ssize_t_defined
/* parasoft suppress item MISRAC2012-RULE_20_4-a item MISRAC2012-RULE_20_4-b
* "Trick compiler to make sure the type of ssize_t won't be
* unsigned long. View details in commit b889120"
/* Static code analysis tool can raise a violation
* in the line below where name of macro 'unsigned' is the same
* as keyword. It is made on purpose, deliberated deviation.
*
* We trick compiler to make sure the type of ssize_t won't be unsigned long.
* As otherwise the type of ssize_t will be unsigned long
* which is not correct. More details view in commit b889120
*/
#define unsigned signed
#define unsigned signed /* parasoft-suppress MISRAC2012-RULE_20_4-a MISRAC2012-RULE_20_4-b */
typedef __SIZE_TYPE__ ssize_t;
#undef unsigned