MISRA C:2012 Rule 20.5
#undef should not be used
描述
规则定义
#undef should not be used 1 .
理由
#undef 可能会使软件不清楚哪些宏存在于转换单元中的特定位置。
报告中的补充消息
#undef shall not be used.
故障排除
如果您预期会出现违规，但未看到该违规，请参阅诊断为何编码规范违规未按预期显示。
检查信息
| 组：预处理指令 |
| 类别：建议 |
| AGC 类别：可读性 |
1 All MISRA coding rules and directives are © Copyright The MISRA Consortium Limited 2021.
The MISRA coding standards referenced in the Polyspace® Bug Finder™ documentation are from the following MISRA standards:
MISRA C:2004
MISRA C:2012
MISRA C:2023
MISRA C++:2008
MISRA C++:2023
MISRA and MISRA C are registered trademarks of The MISRA Consortium Limited 2021.
