On Mon, 27 Feb 2017 16:27:51 +0000, Windt, W.K.F. van der (Fred) wrote: >But how would support for a longer parameter possibly break an existing >program? The program is passed the address of a binary half word (the length >of the content of the parm) followed by that content. Even if a much longer >parm was supported nothing would change for a program that is currently >invoked with a certain parameter. > >The program would probably break if somebody passes a 1000 character parameter >to a program that expects only 8 characters. But it would probably break as >well if you pass such a program a 9 character parameter. > And such a program is likewise broken whether the 1000 character PARM were passed by EXEC PARM=... or by PARMDD.
And it has always been possible to ATTACH a program with a parameter of up to 65535 characters with a 16-bit length field. I have successfully passed a 65535 character parameter to an IBM program that way. -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
