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Hello everyone, why when I call ProcA (code below) without parameters it gives me "MCH3601-Pointer not set for location referenced." (what I am expected) but when first call is with parms and second without ProcA change values of this (not passed!) parameters anyway? Regards Marcin ====================================================== h Debug h Indent( '| ' ) h Option( *NoDebugIO : *SrcStmt ) h DftActGrp( *No ) d ProcA pr d FPar1 2a Options( *NoPass : *Omit ) d FPar2 2a Options( *NoPass : *Omit ) d FPar3 2a Options( *NoPass : *Omit ) d APar1 s 2a d APar2 s 2a d APar3 s 2a c CallP ProcA( APar1 : *Omit : APar3 ) c Eval APar1 = '--' c Eval APar2 = '++' c Eval APar3 = '!!' c CallP ProcA c Eval *InLr = *On *~~~~~~~~~~~~~~~~~~ p ProcA b d ProcA pi d Par1 2a Options( *NoPass : *Omit ) d Par2 2a Options( *NoPass : *Omit ) d Par2 2a Options( *NoPass : *Omit ) d Par3 2a Options( *NoPass : *Omit ) c If %Parms > 0 c If %Addr( Par1 ) <> *Null c Eval Par1 = '11' c EndIF c EndIF c If %Parms > 1 c If %Addr( Par2 ) <> *Null c Eval Par2 = '22' c EndIF c EndIF c If %Parms > 2 c If %Addr( Par3 ) <> *Null c Eval Par3 = '33' c EndIF c EndIF * What if we try to reach parms without checking? c Eval Par1 = 'AA' * Par2 Blow up on first calling with *Omit c** Eval Par2 = 'BB' c Eval Par3 = 'CC' c Return p ProcA e ====================================================== +--- | This is the RPG/400 Mailing List! | To submit a new message, send your mail to RPG400-L@midrange.com. | To subscribe to this list send email to RPG400-L-SUB@midrange.com. | To unsubscribe from this list send email to RPG400-L-UNSUB@midrange.com. | Questions should be directed to the list owner/operator: david@midrange.com +---
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