Experimental Physics and
Industrial Control System

Marty Kraimer <[email protected]> · Wed, 18 Jul 2001 08:48:36 -0500

Werner Portmann wrote:
> 
> Hi all
> this is not only true for the INP field of the longin record but for the
> DOL field of the longout record either. (We have Epics 3.13.2).
> Is it the true for all INP and DOL fields?

The following code decides if the link should be a constant. (dbPutString in
dbStaticLib.c)

                    /* Check first to see if string is a constant*/
                    /*It is a double if strtod eats entire string*/
                    /*leading and trailing blanks have already been stripped*/
                    tempval = strtod(pstr,&end);
                    if(*end == 0) {

Thus it does not accept hex constants. Note also that recGblInitConstantLink
uses sscanf to convert from a string
to a numeric value. Thus just changing the above code will not fix the problem. 

A possible fix is to have the above code try both strtod and strtol and if
either is successful then make the link a constant.
If recGblInitConstantLink uses "%i" for sscanf it looks like it should work. 

Unless something unforseen arises I will make the changes for the next release
of 3.13 and 3.14.

Marty Kraimer

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System