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CodeSonar® 9.2p0 CONFIDENTIAL CodeSecure Inc
Ada

ADA.FUNCS.IOP : Ignored Out Parameter (Ada)

This warning class corresponds to a GNAT SAS message. The CodeSonar analysis results may include warnings of this class if your CodeSonar project includes Ada components.

Summary

A subprogram call passes an out parameter, but the value of that parameter is never used.

This warning class corresponds to the GNAT SAS Unused_out_parameter.

Properties

Class Name Ignored Out Parameter (Ada)
Significance reliability
Mnemonic ADA.FUNCS.IOP
Categories
CWE CWE:252 Unchecked Return Value
  CWE:394 Unexpected Status Code or Return Value
  CWE:563 Assignment to Variable without Use
Availability Available for Ada only.
Enabling Checks for this warning class are enabled by default. To disable them, add the following WARNING_FILTER rule to the project configuration file. 
WARNING_FILTER += discard class="Ignored Out Parameter (Ada)"

Example

procedure Unused_Out is
   procedure Linear_Search
     (Table : Int_Array;
      Item : Integer;
      Found: out Boolean;
      Index: out Integer);

   Table : Int_Array (1..10) := (others => 0);
   Found : Boolean;
   Index : Integer;
begin
   Search.Linear_Search (Table, 0, Found, Index); -- warning issued here:
                                                  --  Found and Index are out parameters to Search.Linear_Search(),
                                                  --  but Unused_Out() does not use them after the Search.Linear_Search call
end Unused_Out;

Relevant Configuration File Parameters

The following configuration file parameters affect checks for this warning class.

 

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