DIRSECT

Prolog  

Control Block Contents  
   DIRSECT DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

DIRSECT Prolog

 Name       : LIB
 Description: CMS PDS Directory Entry
 DSECT      : DIRSECT
 Function   : DIRSECT describes the fields of a CMS PDS
              directory entry.

DIRSECT Control Block Content

DIRSECT DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      DIRSECT        DIRECTORY ENTRY MAPPING
0000    0 Character    8 DIRMEMB        MEMBER NAME
0008    8 Signed       2 DIRITEMX       SCP 2 BYTE START ITEM NO.
000A   10 Bitstring    1 DIRFLG1        FLAG BYTE 1
000B   11 Bitstring    1 DIRFLG2        FLAG BYTE 2 * FLAG DEFINITIONS
                                        FOR DIRFLG2
          1... ....      DIRNA          X'80' NOT AN ALIAS
          .... ...1      NULLREC        X'01' NULL RECORD ADDED FOR OS
                                        SIM..
000C   12 Signed       4 DIRITEM        STARTING ITEM NO. OF MEMBER
          00000010       DIRENTSZ       *-DIRSECT LENGTH OF DIRECTORY
                                        ENTRY
          00000010       DIRNEXT        *

DIRSECT Storage Layout

          
*** DIRSECT - Control Block in DIRSECT
*
*     +-------------------------------------------------------+
*   0 |                       DIRMEMB                         |
*     +-------------+------+------+---------------------------+
*   8 |  DIRITEMX   |:FLG1 |:FLG2 |         DIRITEM           |
*     +-------------+------+------+---------------------------+
*  10
*
*** DIRSECT - Control Block in DIRSECT

DIRSECT Cross Reference

Symbol         Dspl Value
-------------- ---- -----
DIRENTSZ       000C 00000010
DIRFLG1        000A
DIRFLG2        000B
DIRITEM        000C
DIRITEMX       0008
DIRMEMB        0000
DIRNA          000B 80
DIRNEXT        000C 00000010
NULLREC        000B 01