#include 파일에 대해 MISRA C 사용 안함

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2018-02-28 오전 1:48

Introduction

My code is MISRA C compliant and I have enabled the required MISRA C rules to ensure the compliancy. However, I have to include header files that are out of my control and that should be excluded from the MISRA C check.

Solution

The #pragma diag_suppress=tag[,tag,...] can also be used to suppress messages from the MISRA C checker.

To avoid that you have to write a long list of MISRA C tags for every #include, you can use the following two macros:

#define MISRAC_DISABLE _Pragma ("diag_suppress= \
Pm001,Pm002,Pm003,Pm004,Pm005,Pm006,Pm007,Pm008,Pm009,Pm010,Pm011,\
Pm012,Pm013,Pm014,Pm015,Pm016,Pm017,Pm018,Pm019,Pm020,Pm021,Pm022,\
Pm023,Pm024,Pm025,Pm026,Pm027,Pm028,Pm029,Pm030,Pm031,Pm032,Pm033,\
Pm034,Pm035,Pm036,Pm037,Pm038,Pm039,Pm040,Pm041,Pm042,Pm043,Pm044,\
Pm045,Pm046,Pm047,Pm048,Pm049,Pm050,Pm051,Pm052,Pm053,Pm054,Pm055,\
Pm056,Pm057,Pm058,Pm059,Pm060,Pm061,Pm062,Pm063,Pm064,Pm065,Pm066,\
Pm067,Pm068,Pm069,Pm070,Pm071,Pm072,Pm073,Pm074,Pm075,Pm076,Pm077,\
Pm078,Pm079,Pm080,Pm081,Pm082,Pm083,Pm084,Pm085,Pm086,Pm087,Pm088,\
Pm089,Pm090,Pm091,Pm092,Pm093,Pm094,Pm095,Pm096,Pm097,Pm098,Pm099,\
Pm100,Pm101,Pm102,Pm103,Pm104,Pm105,Pm106,Pm107,Pm108,Pm109,Pm110,\
Pm111,Pm112,Pm113,Pm114,Pm115,Pm116,Pm117,Pm118,Pm119,Pm120,Pm121,\
Pm122,Pm123,Pm124,Pm125,Pm126,Pm127,Pm128,Pm129,Pm130,Pm131,Pm132,\
Pm133,Pm134,Pm135,Pm136,Pm137,Pm138,Pm139,Pm140,Pm141,Pm142,Pm143,\
Pm144,Pm145,Pm146,Pm147,Pm148,Pm149,Pm150,Pm151,Pm152,Pm153,Pm154,\
Pm155")
#define MISRAC_ENABLE _Pragma ("diag_default= \
Pm001,Pm002,Pm003,Pm004,Pm005,Pm006,Pm007,Pm008,Pm009,Pm010,Pm011,\
Pm012,Pm013,Pm014,Pm015,Pm016,Pm017,Pm018,Pm019,Pm020,Pm021,Pm022,\
Pm023,Pm024,Pm025,Pm026,Pm027,Pm028,Pm029,Pm030,Pm031,Pm032,Pm033,\
Pm034,Pm035,Pm036,Pm037,Pm038,Pm039,Pm040,Pm041,Pm042,Pm043,Pm044,\
Pm045,Pm046,Pm047,Pm048,Pm049,Pm050,Pm051,Pm052,Pm053,Pm054,Pm055,\
Pm056,Pm057,Pm058,Pm059,Pm060,Pm061,Pm062,Pm063,Pm064,Pm065,Pm066,\
Pm067,Pm068,Pm069,Pm070,Pm071,Pm072,Pm073,Pm074,Pm075,Pm076,Pm077,\
Pm078,Pm079,Pm080,Pm081,Pm082,Pm083,Pm084,Pm085,Pm086,Pm087,Pm088,\
Pm089,Pm090,Pm091,Pm092,Pm093,Pm094,Pm095,Pm096,Pm097,Pm098,Pm099,\
Pm100,Pm101,Pm102,Pm103,Pm104,Pm105,Pm106,Pm107,Pm108,Pm109,Pm110,\
Pm111,Pm112,Pm113,Pm114,Pm115,Pm116,Pm117,Pm118,Pm119,Pm120,Pm121,\
Pm122,Pm123,Pm124,Pm125,Pm126,Pm127,Pm128,Pm129,Pm130,Pm131,Pm132,\
Pm133,Pm134,Pm135,Pm136,Pm137,Pm138,Pm139,Pm140,Pm141,Pm142,Pm143,\
Pm144,Pm145,Pm146,Pm147,Pm148,Pm149,Pm150,Pm151,Pm152,Pm153,Pm154,\
Pm155")

To disable the MISRA C check for a header file, you can write ...

MISRAC_DISABLE
#include "myincludes.h"
MISRAC_ENABLE

Alternative Solution

You can get "inspiration/suggestions" from how the IAR header files are written. These header files are not written to comply to MISRA C - they are written to work efficiently.

There is an intentionally undocumented pragma, which is used in these header files ...

#pragma system_include

... which you can add early in all your header files that generate MISRA C errors.

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