Portal | Manuals | References | Downloads | Info | Programs | JCLs | Master the Mainframes
IBM Mainframe Computers Forums Index
 
Register
 
IBM Mainframe Computers Forums Index Mainframe: Search IBM Mainframe Forum: FAQ Memberlist Usergroups Profile Log in to check your private messages Log in
 

 

Cobol pointers

 
Post new topic   Reply to topic    IBMMAINFRAMES.com Support Forums -> COBOL Programming
View previous topic :: :: View next topic  
Author Message
naveenmundhra

New User


Joined: 24 Feb 2008
Posts: 3
Location: hyderabad, India

PostPosted: Thu Jun 10, 2010 2:19 pm    Post subject: Cobol pointers
Reply with quote

Hi All

I want to know what is the difference between the below statements -

1. SET ADDRESS OF var-1 to ADDRESS OF var-2

2. SET var-1 to ADDRESS OF var-2

3. SET ADDRESS OF var-1 to var-2
Back to top
View user's profile Send private message

dbzTHEdinosauer

Global Moderator


Joined: 20 Oct 2006
Posts: 6966
Location: porcelain throne

PostPosted: Thu Jun 10, 2010 2:39 pm    Post subject:
Reply with quote

depends on how var-1 and var2 are defined.

of example 1 and example 2, one is incorrect.

either var-1 is a data item or a pointer; same for var-2.
they can't be both.

pointers contain addresses
linkage data items can be addressed by SETting their address to a pointer or to the address of a another data item (which previously has addressability)

if you are still in quandry, look here, and here

in short:

1. SET ADDRESS OF var-1 to ADDRESS OF var-2

var-1 and var-2 are data items,
var-1 is a linkage item,
var-2 is a working-storage, local-storage or linkage (with prior addressability) item

2. SET var-1 to ADDRESS OF var-2

var-1 is a pointer
var-2 is a data item with addressability

3. SET ADDRESS OF var-1 to var-2

var-1 is a linkage item
var-2 is a pointer
Back to top
View user's profile Send private message
View previous topic :: :: View next topic  
Post new topic   Reply to topic    IBMMAINFRAMES.com Support Forums -> COBOL Programming All times are GMT + 6 Hours
Page 1 of 1

 

Search our Forum:

Similar Topics
Topic Author Forum Replies Posted
No new posts Executing OO COBOL program invoking J... Virendra Shambharkar COBOL Programming 2 Tue Jan 10, 2017 6:37 pm
No new posts OO COBOL compile error Virendra Shambharkar COBOL Programming 3 Tue Jan 10, 2017 6:05 pm
No new posts Need Suggestion on COBOL program vickey_dw COBOL Programming 5 Thu Jan 05, 2017 10:55 pm
This topic is locked: you cannot edit posts or make replies. RANDOM Function in COBOL swapnil781 COBOL Programming 2 Tue Nov 15, 2016 6:17 pm
No new posts Regarding COBOL Stored Procedure opti... selvamsrinivasan85 DB2 4 Fri Nov 04, 2016 8:57 pm


Facebook
Back to Top
 
Mainframe Wiki | Forum Rules | Bookmarks | Subscriptions | FAQ | Tutorials | Contact Us