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libc: types: add a comment to the "wrong definition" code

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Add an explanation comment, so no one in the future
will try to change that part of the code.
Add parasoft tags to suppress a violation in static analysis tool

Signed-off-by: Maksim Masalski <maksim.masalski@intel.com>
This commit is contained in:
Maksim Masalski 2021-06-21 14:35:42 +08:00 • committed by Ioannis Glaropoulos
commit 8535a01d92
1 changed files with 4 additions and 0 deletions
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4
lib/libc/minimal/include/sys/types.h
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@ -16,6 +16,10 @@ typedef unsigned int mode_t;
#if !defined(__ssize_t_defined) #if !defined(__ssize_t_defined)
#define __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"
*/
#define unsigned signed #define unsigned signed
typedef __SIZE_TYPE__ ssize_t; typedef __SIZE_TYPE__ ssize_t;
#undef unsigned #undef unsigned