Poor Style: Value Never Read

Abstract

雖指定變數值，但從不使用，而使它成為無用儲存。

Explanation

未使用此變數值。在指定值後，會為變數指定另一個值，或者超出範圍之外。

範例：以下摘錄的程式碼會為變數 r 指定值，然後在沒有使用的情況下將其覆寫。


  r = getName();
  r = getNewBuffer(buf);

References

[1] Standards Mapping - CIS Azure Kubernetes Service Benchmark 1

[2] Standards Mapping - CIS Amazon Elastic Kubernetes Service Benchmark 4

[3] Standards Mapping - CIS Amazon Web Services Foundations Benchmark 1

[4] Standards Mapping - CIS Google Kubernetes Engine Benchmark normal

[5] Standards Mapping - Common Weakness Enumeration CWE ID 563

[6] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3050 CAT II

[7] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3050 CAT II

[8] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3050 CAT II

[9] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3050 CAT II

[10] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3050 CAT II

[11] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3050 CAT II

[12] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3050 CAT II

desc.structural.cpp.poor_style_value_never_read

Abstract

雖指定變數值，但從不使用，而使它成為無用儲存。

Explanation


  r = getName();
  r = getNewBuffer(buf);