On 10/28/2011 3:09 PM, Kirk Wolf wrote:
Here's some pseudo-code for how I think it is calculated: used_tracks = DS1LSTAR.TT (the first two bytes of the TTR) if (DS1STRP) { used_tracks = (DS1TRBAL<< 16) + used_tracks; // two new high-order bytes } else if (DS1LARGE) { used_tracks = (DS1TTTHI<< 16) + used_tracks; // one new high-order byte }This seems odd to me - am I understanding this correctly?
Can't comment on the rest, but for classical data sets, the use is either zero, when TT and R are zero (as for a PDS/E, HFS, etc.), or TT+1 (e.g., an empty PDS with 1 directory block would have TTR=000001, and TT alone gives you an incorrect 0 when you need 1.
Gerhard Postpischil Bradford, VT ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
