435 lines
12 KiB
C
435 lines
12 KiB
C
/* recGbl.c - Global record processing routines */
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/* share/src/db/recGbl.c $Id$ */
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/*
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* Author: Marty Kraimer
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* Date: 11-7-90
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*
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* Experimental Physics and Industrial Control System (EPICS)
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*
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* Copyright 1991, the Regents of the University of California,
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* and the University of Chicago Board of Governors.
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*
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* This software was produced under U.S. Government contracts:
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* (W-7405-ENG-36) at the Los Alamos National Laboratory,
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* and (W-31-109-ENG-38) at Argonne National Laboratory.
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*
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* Initial development by:
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* The Controls and Automation Group (AT-8)
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* Ground Test Accelerator
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* Accelerator Technology Division
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* Los Alamos National Laboratory
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*
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* Co-developed with
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* The Controls and Computing Group
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* Accelerator Systems Division
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* Advanced Photon Source
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* Argonne National Laboratory
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*
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* Modification Log:
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* -----------------
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* .01 11-16-91 jba Added recGblGetGraphicDouble, recGblGetControlDouble
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* .02 02-28-92 jba ANSI C changes
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* .03 05-19-92 mrk Changes for internal database structure changes
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* .04 07-16-92 jba changes made to remove compile warning msgs
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* .05 07-21-92 jba Added recGblGetAlarmDouble
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* .06 08-07-92 jba Added recGblGetLinkValue, recGblPutLinkValue
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* .07 08-07-92 jba Added RTN_SUCCESS check for status
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* .08 09-15-92 jba changed error parm in recGblRecordError calls
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* .09 09-17-92 jba ANSI C changes
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* .10 01-27-93 jba set pact to true during calls to dbPutLink
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*/
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#include <vxWorks.h>
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#include <limits.h>
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#include <types.h>
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#include <stdioLib.h>
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#include <strLib.h>
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#include <choice.h>
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#include <dbDefs.h>
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#include <dbBase.h>
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#include <dbRecType.h>
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#include <dbRecDes.h>
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#include <dbAccess.h>
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#include <devSup.h>
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#include <rec/dbCommon.h>
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#include <sdrHeader.h>
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extern struct dbBase *pdbBase;
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/* local routines */
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static void getVarRangeValue();
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static void getConRangeValue();
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static void getMaxRangeValues();
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void recGblDbaddrError(long status,struct dbAddr *paddr,char *pcaller_name)
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{
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char buffer[200];
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struct dbCommon *precord;
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int i,n;
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struct fldDes *pfldDes=(struct fldDes *)(paddr->pfldDes);
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buffer[0]=0;
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if(paddr) { /* print process variable name */
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precord=(struct dbCommon *)(paddr->precord);
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strcat(buffer,"PV: ");
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strncat(buffer,precord->name,PVNAME_SZ);
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n=strlen(buffer);
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for(i=n; (i>0 && buffer[i]==' '); i--) buffer[i]=0;
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strcat(buffer,".");
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strncat(buffer,pfldDes->fldname,FLDNAME_SZ);
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strcat(buffer," ");
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}
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if(pcaller_name) {
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strcat(buffer,"error detected in routine: ");
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strcat(buffer,pcaller_name);
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}
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errMessage(status,buffer);
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return;
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}
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void recGblRecordError(long status,void *pdbc,char *pcaller_name)
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{
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struct dbCommon *precord = pdbc;
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char buffer[200];
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int i,n;
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buffer[0]=0;
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if(precord) { /* print process variable name */
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strcat(buffer,"PV: ");
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strncat(buffer,precord->name,PVNAME_SZ);
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n=strlen(buffer);
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for(i=n; (i>0 && buffer[i]==' '); i--) buffer[i]=0;
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strcat(buffer," ");
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}
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if(pcaller_name) {
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strcat(buffer,"error detected in routine: ");
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strcat(buffer,pcaller_name);
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}
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errMessage(status,buffer);
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return;
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}
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void recGblRecSupError(long status,struct dbAddr *paddr,char *pcaller_name,
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char *psupport_name)
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{
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char buffer[200];
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char *pstr;
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struct dbCommon *precord;
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int i,n;
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struct fldDes *pfldDes=(struct fldDes *)(paddr->pfldDes);
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buffer[0]=0;
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strcat(buffer,"Record Support Routine (");
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if(psupport_name)
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strcat(buffer,psupport_name);
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else
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strcat(buffer,"Unknown");
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strcat(buffer,") not available.\nRecord Type is ");
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if(pstr=GET_PRECNAME(pdbBase->precType,paddr->record_type))
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strcat(buffer,pstr);
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else
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strcat(buffer,"BAD");
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if(paddr) { /* print process variable name */
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precord=(struct dbCommon *)(paddr->precord);
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strcat(buffer,", PV is ");
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strncat(buffer,precord->name,PVNAME_SZ);
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n=strlen(buffer);
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for(i=n; (i>0 && buffer[i]==' '); i--) buffer[i]=0;
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strcat(buffer,".");
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strncat(buffer,pfldDes->fldname,FLDNAME_SZ);
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strcat(buffer," ");
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}
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if(pcaller_name) {
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strcat(buffer,"\nerror detected in routine: ");
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strcat(buffer,pcaller_name);
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}
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errMessage(status,buffer);
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return;
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}
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void recGblGetPrec(struct dbAddr *paddr,long *precision)
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{
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struct fldDes *pfldDes=(struct fldDes *)(paddr->pfldDes);
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switch(pfldDes->field_type){
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case(DBF_SHORT):
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*precision = 0;
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break;
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case(DBF_USHORT):
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*precision = 0;
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break;
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case(DBF_LONG):
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*precision = 0;
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break;
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case(DBF_ULONG):
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*precision = 0;
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break;
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case(DBF_FLOAT):
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break;
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case(DBF_DOUBLE):
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break;
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default:
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break;
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}
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return;
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}
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void recGblGetGraphicDouble(struct dbAddr *paddr,struct dbr_grDouble *pgd)
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{
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struct fldDes *pfldDes=(struct fldDes *)(paddr->pfldDes);
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/* get upper display limit */
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if(pfldDes->highfl==VAR) getVarRangeValue(paddr,pfldDes->range2.fldnum,&pgd->upper_disp_limit);
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else getConRangeValue(pfldDes->field_type,pfldDes->range2,&pgd->upper_disp_limit);
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/* get lower display limit */
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if(pfldDes->lowfl==VAR) getVarRangeValue(paddr,pfldDes->range1.fldnum,&pgd->lower_disp_limit);
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else getConRangeValue(pfldDes->field_type,pfldDes->range1,&pgd->lower_disp_limit);
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if(pgd->lower_disp_limit>=pgd->upper_disp_limit)
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getMaxRangeValues(pfldDes->field_type,&pgd->upper_disp_limit,&pgd->lower_disp_limit);
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return;
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}
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void recGblGetAlarmDouble(struct dbAddr *paddr,struct dbr_alDouble *pad)
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{
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pad->upper_alarm_limit = 0;
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pad->upper_alarm_limit = 0;
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pad->lower_warning_limit = 0;
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pad->lower_warning_limit = 0;
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return;
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}
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void recGblGetControlDouble(struct dbAddr *paddr,struct dbr_ctrlDouble *pcd)
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{
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struct fldDes *pfldDes=(struct fldDes *)(paddr->pfldDes);
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/* get upper control limit */
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if(pfldDes->highfl==VAR) getVarRangeValue(paddr,pfldDes->range2.fldnum,&pcd->upper_ctrl_limit);
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else getConRangeValue(pfldDes->field_type,pfldDes->range2,&pcd->upper_ctrl_limit);
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/* get lower control limit */
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if(pfldDes->lowfl==VAR) getVarRangeValue(paddr,pfldDes->range1.fldnum,&pcd->lower_ctrl_limit);
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else getConRangeValue(pfldDes->field_type,pfldDes->range1,&pcd->lower_ctrl_limit);
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if(pcd->lower_ctrl_limit>=pcd->upper_ctrl_limit)
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getMaxRangeValues(pfldDes->field_type,&pcd->upper_ctrl_limit,&pcd->lower_ctrl_limit);
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return;
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}
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long recGblGetLinkValue(struct link *plink,void *pdbc,short dbrType,
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void *pdest,long *poptions,long *pnRequest)
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{
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struct dbCommon *precord = pdbc;
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long status=0;
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unsigned char pact;
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pact = precord->pact;
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precord->pact = TRUE;
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switch (plink->type){
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case(CONSTANT):
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break;
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case(DB_LINK):
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status=dbGetLink(&(plink->value.db_link),
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precord,dbrType,pdest,poptions,pnRequest);
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if(!RTN_SUCCESS(status))
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recGblSetSevr(precord,LINK_ALARM,INVALID_ALARM);
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break;
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case(CA_LINK):
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status=dbCaGetLink(plink);
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if(!RTN_SUCCESS(status))
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recGblSetSevr(precord,LINK_ALARM,INVALID_ALARM);
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break;
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default:
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status=-1;
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recGblSetSevr(precord,SOFT_ALARM,INVALID_ALARM);
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}
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precord->pact = pact;
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return(status);
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}
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long recGblPutLinkValue(struct link *plink,void *pdbc,short dbrType,
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void *psource,long *pnRequest)
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{
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struct dbCommon *precord = pdbc;
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long options=0;
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long status=0;
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unsigned char pact;
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pact = precord->pact;
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precord->pact = TRUE;
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switch (plink->type){
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case(CONSTANT):
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break;
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case(DB_LINK):
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status=dbPutLink(&(plink->value.db_link),
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precord,dbrType,psource,*pnRequest);
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if(!RTN_SUCCESS(status))
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recGblSetSevr(precord,LINK_ALARM,INVALID_ALARM);
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break;
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case(CA_LINK):
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status = dbCaPutLink(plink, &options, pnRequest);
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if(!RTN_SUCCESS(status))
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recGblSetSevr(precord,LINK_ALARM,INVALID_ALARM);
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break;
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default:
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status=-1;
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recGblSetSevr(precord,SOFT_ALARM,INVALID_ALARM);
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}
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precord->pact = pact;
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return(status);
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}
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unsigned short recGblResetAlarms(void *precord)
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{
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struct dbCommon *pdbc = precord;
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unsigned short mask,stat,sevr,nsta,nsev,ackt,acks;
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mask = 0;
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stat=pdbc->stat; sevr=pdbc->sevr;
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nsta=pdbc->nsta; nsev=pdbc->nsev;
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pdbc->stat=nsta; pdbc->sevr=nsev;
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pdbc->nsta=0; pdbc->nsev=0;
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/* alarm condition changed this scan?*/
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if (stat!=nsta) {
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mask = DBE_ALARM;
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db_post_events(pdbc,&pdbc->stat,DBE_VALUE);
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}
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if (sevr!=nsev) {
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mask = DBE_ALARM;
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db_post_events(pdbc,&pdbc->sevr,DBE_VALUE);
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}
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if(sevr!=nsev || stat!=nsta) {
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ackt = pdbc->ackt; acks = pdbc->acks;
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if(!ackt || nsev>=acks){
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pdbc->acks=nsev;
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db_post_events(pdbc,&pdbc->acks,DBE_VALUE);
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}
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}
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return(mask);
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}
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static void getConRangeValue(field_type,range,plimit)
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short field_type;
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struct range range;
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double *plimit;
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{
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*plimit=0.0;
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switch(field_type){
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case(DBF_SHORT):
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*plimit = (double)range.value.short_value;
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break;
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case(DBF_ENUM):
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case(DBF_USHORT):
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*plimit = (double)range.value.ushort_value;
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break;
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case(DBF_LONG):
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*plimit = (double)range.value.long_value;
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break;
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case(DBF_ULONG):
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*plimit = (double)range.value.ulong_value;
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break;
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case(DBF_FLOAT):
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*plimit = (double)range.value.float_value;
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break;
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case(DBF_DOUBLE):
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*plimit = (double)range.value.double_value;
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break;
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}
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return;
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}
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static void getMaxRangeValues(field_type,pupper_limit,plower_limit)
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short field_type;
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double *pupper_limit;
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double *plower_limit;
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{
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switch(field_type){
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case(DBF_SHORT):
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*pupper_limit = (double)SHRT_MAX;
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*plower_limit = (double)SHRT_MIN;
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break;
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case(DBF_ENUM):
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case(DBF_USHORT):
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*pupper_limit = (double)USHRT_MAX;
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*plower_limit = (double)0;
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break;
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case(DBF_LONG):
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/* long did not work using cast to double */
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*pupper_limit = 2147483647.;
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*plower_limit = -2147483648.;
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break;
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case(DBF_ULONG):
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*pupper_limit = (double)ULONG_MAX;
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*plower_limit = (double)0;
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break;
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case(DBF_FLOAT):
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*pupper_limit = (double)1e+30;
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*plower_limit = (double)-1e30;
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break;
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case(DBF_DOUBLE):
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*pupper_limit = (double)1e+30;
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*plower_limit = (double)-1e30;
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break;
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}
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return;
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}
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static void getVarRangeValue(paddr,fldnum,prangeValue)
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struct dbAddr *paddr;
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long fldnum;
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double *prangeValue;
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{
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short recType;
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struct recTypDes *precTypDes;
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struct dbAddr dbAddr;
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long nRequest,options;
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void *pfl=NULL;
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char name[PVNAME_SZ+FLDNAME_SZ+2];
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struct dbCommon *precord;
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int i,n;
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struct fldDes *pfldDes;
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long status;
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*prangeValue=0;
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precord=(struct dbCommon *)(paddr->precord);
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recType=paddr->record_type;
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if(!(precTypDes=GET_PRECTYPDES(pdbBase->precDes,recType))){
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recGblRecordError(S_sdr_noSdrType,(void *)precord,"getVarRangeValue(GET_PRECTYPDES)");
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return;
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}
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if(!(pfldDes=GET_PFLDDES(precTypDes,fldnum))){
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recGblRecordError(S_sdr_noSdrType,(void *)precord,"getVarRangeValue(GET_PFLDDES)");
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return;
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}
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/* get &dbAddr for range VAR field */
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name[PVNAME_SZ+1] = 0;
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strncpy(name,precord->name,PVNAME_SZ);
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n=strlen(name);
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for(i=n; (i>0 && name[i]==' '); i--) name[i]=0;
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strcat(name,".");
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strncat(name,pfldDes->fldname,FLDNAME_SZ);
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strcat(name,"\0");
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if (status=dbNameToAddr(name,&dbAddr)){
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recGblRecordError(status,(void *)precord,"getVarRangeValue(dbNameToAddr)");
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return;
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}
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/* get value of range VAR field */
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options = 0;
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nRequest = 1;
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if(status=dbGetField(&dbAddr,DBR_DOUBLE,prangeValue,&options,&nRequest,pfl)){
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recGblRecordError(status,(void *)precord,"getVarRangeValue(dbGetField)");
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return;
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}
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return;
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}
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