Experimental Physics and
Industrial Control System
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| <== Date ==> | <== Thread ==> |
|---|
| Subject: | Conversion from hex number string to LONG-type field |
| From: | Bruno Martins <[email protected]> |
| To: | [email protected] |
| Date: | Wed, 28 Feb 2018 11:27:10 -0500 |
Hi all,
I noticed that dbpf doesn't convert hex values to fields with type LONG. Digging through the code it seems that the culprit is in ioc/db/dbFastLinkConv.c: cvt_st_l (and a bunch others) calls strtol with base=10. Wouldn't it be better to call it with base=0 and let it figure out the proper base? Or, instead, to use epicsScanDouble like cvt_st_ul does?$ cat test.db
record(ao, "aotest") {}
record(longout, "lotest") {}
$ /usr/lib/epics/bin/linux-x86_64/softIoc -d test.db
Starting iocInit
############################################################################
## EPICS R3.15.3-12+0~20170719135640.23+debian08~1.gbpaada8e $Date: Sun 2015-11-22 17:54:12 +0100$
## EPICS Base built Jul 19 2017
############################################################################
iocRun: All initialization complete
epics> dbl
lotest
aotest
epics> dbpf aotest 10
DBR_DOUBLE: 10
epics> dbpf lotest 10
DBR_LONG: 10 0xa
epics> dbpf aotest 0x10
DBR_DOUBLE: 16
epics> dbpf lotest 0x10
DBR_LONG: 0 0x0
epics>
Bruno
- Replies:
- Re: Conversion from hex number string to LONG-type field Andrew Johnson
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