SEI CERT C Coding Standard

Space shortcuts

Page tree

Versions Compared

Old Version 86

changes.mady.by.user Jill Britton

Saved on

compared with

New Version Current

changes.mady.by.user Joerg Herter

Saved on

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

Recommendation

Severity

Likelihood

Detectable

RepairableRemediation Cost

Priority

Level

EXP20-C

Medium

Probable

Yes

YesLow

P12

L1

Automated Detection

Supported indirectly via MISRA C:2004 Rule 13.2. TRUE macro/enum constant

Tool

Version

Checker

Description

Astrée
Include Page
Astrée_V
Astrée_V
non-boolean-conditionFully checked
Axivion Bauhaus Suite

Include Page
Axivion Bauhaus Suite_V
Axivion Bauhaus Suite_V

CertC-EXP20Fully implemented
Helix QAC

Include Page
Helix QAC_V
Helix QAC_V

C3344, 
C4116
LDRA tool suite
Include Page
LDRA_V
LDRA_V
114 SPartially implemented
Parasoft C/C++test
Include Page
Parasoft_V
Parasoft_V

CERT_C-EXP20-a
CERT_C-EXP20-b

Avoid comparing values with

the 'TRUE' identifier using equality operators ("==", "!=")
Tests of a value against zero should be made explicit, unless the operand is effectively Boolean

PC-lint Plus

Include Page
PC-lint Plus_V
PC-lint Plus_V

697

Partially supported: reports comparisons of Boolean values to constants other than 0

RuleChecker

Include Page
RuleChecker_V
RuleChecker_V

non-boolean-conditionFully checked

Bibliography

[StackOvflw 2009]"Should I Return TRUE/FALSE Values from a C Function?"

...