696 lines
18 KiB
C
696 lines
18 KiB
C
/*************************************************************************\
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* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
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* National Laboratory.
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* Copyright (c) 2002 The Regents of the University of California, as
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* Operator of Los Alamos National Laboratory.
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* EPICS BASE Versions 3.13.7
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* and higher are distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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\*************************************************************************/
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/*dbStaticLibRun.c*/
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#include <stddef.h>
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#include <stdio.h>
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#include <limits.h>
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#include <string.h>
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#include <math.h>
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#include "dbDefs.h"
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#include "errMdef.h"
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#include "epicsPrint.h"
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#include "ellLib.h"
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#include "cvtFast.h"
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#include "epicsTypes.h"
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#include "epicsStdlib.h"
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#define epicsExportSharedSymbols
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#include "dbBase.h"
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#include "dbStaticLib.h"
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#include "dbStaticPvt.h"
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#include "devSup.h"
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#include "special.h"
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static char hex_digit_to_ascii[16]={'0','1','2','3','4','5','6','7','8','9',
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'a','b','c','d','e','f'};
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static void ulongToHexString(epicsUInt32 source,char *pdest)
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{
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epicsUInt32 val,temp;
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char digit[10];
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int i,j;
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if(source==0) {
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strcpy(pdest,"0x0");
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return;
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}
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*pdest++ = '0'; *pdest++ = 'x';
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val = source;
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for(i=0; val!=0; i++) {
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temp = val/16;
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digit[i] = hex_digit_to_ascii[val - temp*16];
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val = temp;
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}
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for(j=i-1; j>=0; j--) {
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*pdest++ = digit[j];
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}
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*pdest = 0;
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return;
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}
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static double delta[2] = {1e-6, 1e-15};
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static int precision[2] = {6, 14};
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static void realToString(double value, char *preturn, int isdouble)
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{
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double absvalue;
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int logval,prec,end;
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char tstr[30];
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char *ptstr = &tstr[0];
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int round;
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int ise = FALSE;
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char *loce = NULL;
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if (value == 0) {
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strcpy(preturn, "0");
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return;
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}
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absvalue = value < 0 ? -value : value;
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if (absvalue < (double)INT_MAX) {
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epicsInt32 intval = (epicsInt32) value;
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double diff = value - intval;
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if (diff < 0) diff = -diff;
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if (diff < absvalue * delta[isdouble]) {
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cvtLongToString(intval, preturn);
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return;
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}
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}
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/*Now starts the hard cases*/
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if (value < 0) {
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*preturn++ = '-';
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value = -value;
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}
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logval = (int)log10(value);
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if (logval > 6 || logval < -2) {
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int nout;
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ise = TRUE;
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prec = precision[isdouble];
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nout = sprintf(ptstr, "%.*e", prec, value);
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loce = strchr(ptstr, 'e');
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if (!loce) {
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ptstr[nout] = 0;
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strcpy(preturn, ptstr);
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return;
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}
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*loce++ = 0;
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} else {
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prec = precision[isdouble] - logval;
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if ( prec < 0) prec = 0;
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sprintf(ptstr, "%.*f", prec, value);
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}
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if (prec > 0) {
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end = strlen(ptstr) - 1;
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round = FALSE;
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while (end > 0) {
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if (tstr[end] == '.') {end--; break;}
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if (tstr[end] == '0') {end--; continue;}
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if (!round && end < precision[isdouble]) break;
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if (!round && tstr[end] < '8') break;
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if (tstr[end-1] == '.') {
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if (round) end = end-2;
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break;
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}
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if (tstr[end-1] != '9') break;
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round = TRUE;
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end--;
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}
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tstr[end+1] = 0;
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while (round) {
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if (tstr[end] < '9') {tstr[end]++; break;}
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if (end == 0) { *preturn++ = '1'; tstr[end] = '0'; break;}
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tstr[end--] = '0';
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}
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}
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strcpy(preturn, &tstr[0]);
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if (ise) {
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if (!(strchr(preturn, '.'))) strcat(preturn, ".0");
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strcat(preturn, "e");
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strcat(preturn, loce);
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}
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}
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static void floatToString(float value,char *preturn)
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{
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realToString((double)value,preturn,0);
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return;
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}
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static void doubleToString(double value,char *preturn)
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{
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realToString(value,preturn,1);
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return;
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}
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static long do_nothing(struct dbCommon *precord) { return 0; }
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/* Dummy DSXT used for soft device supports */
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struct dsxt devSoft_DSXT = {
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do_nothing,
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do_nothing
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};
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static devSup *pthisDevSup = NULL;
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void dbInitDevSup(devSup *pdevSup, dset *pdset)
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{
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pdevSup->pdset = pdset;
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if (pdevSup->link_type == CONSTANT)
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pdevSup->pdsxt = &devSoft_DSXT;
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if (pdset->init) {
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pthisDevSup = pdevSup;
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pdset->init(0);
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pthisDevSup = NULL;
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}
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}
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void devExtend(dsxt *pdsxt)
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{
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if (!pthisDevSup)
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errlogPrintf("devExtend() called outside of dbInitDevSup()\n");
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else {
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pthisDevSup->pdsxt = pdsxt;
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}
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}
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long dbAllocRecord(DBENTRY *pdbentry,const char *precordName)
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{
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dbRecordType *pdbRecordType = pdbentry->precordType;
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dbRecordNode *precnode = pdbentry->precnode;
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dbFldDes *pflddes;
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int i;
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char *precord;
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char *pfield;
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if(!pdbRecordType) return(S_dbLib_recordTypeNotFound);
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if(!precnode) return(S_dbLib_recNotFound);
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if(pdbRecordType->rec_size == 0) {
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printf("\t*** Did you run x_RegisterRecordDeviceDriver(pdbbase) yet? ***\n");
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epicsPrintf("dbAllocRecord(%s) with %s rec_size = 0\n",
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precordName, pdbRecordType->name);
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return(S_dbLib_noRecSup);
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}
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precnode->precord = dbCalloc(1,pdbRecordType->rec_size);
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precord = (char *)precnode->precord;
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pflddes = pdbRecordType->papFldDes[0];
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if(!pflddes) {
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epicsPrintf("dbAllocRecord pflddes for NAME not found\n");
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return(S_dbLib_flddesNotFound);
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}
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if(strlen(precordName)>=pflddes->size) {
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epicsPrintf("dbAllocRecord: NAME(%s) too long\n",precordName);
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return(S_dbLib_nameLength);
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}
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pfield = precord + pflddes->offset;
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strcpy(pfield,precordName);
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for(i=1; i<pdbRecordType->no_fields; i++) {
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pflddes = pdbRecordType->papFldDes[i];
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if(!pflddes) continue;
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pfield = precord + pflddes->offset;
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pdbentry->pfield = (void *)pfield;
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pdbentry->pflddes = pflddes;
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pdbentry->indfield = i;
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switch(pflddes->field_type) {
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case DBF_STRING:
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if(pflddes->initial) {
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if(strlen(pflddes->initial) >= pflddes->size) {
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epicsPrintf("initial size > size for %s.%s\n",
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pdbRecordType->name,pflddes->name);
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} else {
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strcpy(pfield,pflddes->initial);
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}
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}
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break;
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case DBF_CHAR:
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case DBF_UCHAR:
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case DBF_SHORT:
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case DBF_USHORT:
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case DBF_LONG:
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case DBF_ULONG:
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case DBF_FLOAT:
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case DBF_DOUBLE:
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case DBF_ENUM:
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case DBF_MENU:
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if(pflddes->initial) {
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long status;
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status = dbPutStringNum(pdbentry,pflddes->initial);
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if(status)
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epicsPrintf("Error initializing %s.%s initial %s\n",
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pdbRecordType->name,pflddes->name,pflddes->initial);
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}
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break;
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case DBF_DEVICE:
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if(!pflddes->ftPvt) dbGetDeviceMenu(pdbentry);
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break;
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case DBF_INLINK:
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case DBF_OUTLINK:
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case DBF_FWDLINK: {
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DBLINK *plink = (DBLINK *)pfield;
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plink->type = CONSTANT;
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if(pflddes->initial) {
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plink->value.constantStr =
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dbCalloc(strlen(pflddes->initial)+1,sizeof(char));
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strcpy(plink->value.constantStr,pflddes->initial);
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}
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}
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break;
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case DBF_NOACCESS:
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break;
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default:
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epicsPrintf("dbAllocRecord: Illegal field type\n");
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}
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}
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return(0);
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}
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long dbFreeRecord(DBENTRY *pdbentry)
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{
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dbRecordType *pdbRecordType = pdbentry->precordType;
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dbRecordNode *precnode = pdbentry->precnode;
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if(!pdbRecordType) return(S_dbLib_recordTypeNotFound);
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if(!precnode) return(S_dbLib_recNotFound);
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if(!precnode->precord) return(S_dbLib_recNotFound);
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free(precnode->precord);
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precnode->precord = NULL;
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return(0);
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}
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long dbGetFieldAddress(DBENTRY *pdbentry)
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{
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dbRecordType *pdbRecordType = pdbentry->precordType;
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dbRecordNode *precnode = pdbentry->precnode;
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dbFldDes *pflddes = pdbentry->pflddes;
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if(!pdbRecordType) return(S_dbLib_recordTypeNotFound);
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if(!precnode) return(S_dbLib_recNotFound);
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if(!pflddes) return(S_dbLib_flddesNotFound);
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if(!precnode->precord) return(0);
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pdbentry->pfield = ((char *)precnode->precord) + pflddes->offset;
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return(0);
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}
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char *dbRecordName(DBENTRY *pdbentry)
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{
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dbRecordType *pdbRecordType = pdbentry->precordType;
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dbRecordNode *precnode = pdbentry->precnode;
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dbFldDes *pflddes;
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char *precord;
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if(!pdbRecordType) return(0);
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if(!precnode) return(0);
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if(!precnode->precord) return(0);
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precord = (char *)precnode->precord;
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pflddes = pdbRecordType->papFldDes[0];
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if(!pflddes) return(NULL);
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return(precord + pflddes->offset);
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}
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int dbIsMacroOk(DBENTRY *pdbentry) { return(FALSE); }
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epicsShareFunc int epicsShareAPI dbIsDefaultValue(DBENTRY *pdbentry)
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{
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dbFldDes *pflddes = pdbentry->pflddes;
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void *pfield = pdbentry->pfield;
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if(!pflddes) return(FALSE);
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if(!pfield) return(FALSE);
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switch (pflddes->field_type) {
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case (DBF_STRING) : {
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char *p = (char *)pfield;
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if(!pflddes->initial) return((strlen(p)==0) ? TRUE : FALSE);
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return((strcmp(pflddes->initial,p)==0) ? TRUE : FALSE);
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}
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case DBF_CHAR: {
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char field = *(char *)pfield;
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long ltemp;
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if(pflddes->initial) {
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ltemp = strtol(pflddes->initial,NULL,0);
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return((field==ltemp));
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}
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return((field==0));
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}
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case DBF_UCHAR: {
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unsigned char field = *(unsigned char *)pfield;
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unsigned long ltemp;
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if(pflddes->initial) {
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ltemp = strtoul(pflddes->initial,NULL,0);
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return((field==ltemp));
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}
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return((field==0));
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}
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case DBF_SHORT: {
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short field = *(short *)pfield;
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long ltemp;
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if(pflddes->initial) {
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ltemp = strtol(pflddes->initial,NULL,0);
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return((field==ltemp));
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}
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return((field==0));
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}
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case DBF_USHORT: {
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unsigned short field = *(unsigned short *)pfield;
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unsigned long ltemp;
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if(pflddes->initial) {
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ltemp = strtoul(pflddes->initial,NULL,0);
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return((field==ltemp));
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}
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return((field==0));
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}
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case DBF_LONG: {
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long field = *(long *)pfield;
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long ltemp;
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if(pflddes->initial) {
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ltemp = strtol(pflddes->initial,NULL,0);
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return((field==ltemp));
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}
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return((field==0));
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}
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case DBF_ULONG: {
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unsigned long field = *(unsigned long *)pfield;
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unsigned long ltemp;
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if(pflddes->initial) {
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ltemp = strtoul(pflddes->initial,NULL,0);
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return((field==ltemp));
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}
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return((field==0));
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}
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case DBF_FLOAT: {
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float field = *(float *)pfield;
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double dtemp;
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if(pflddes->initial) {
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dtemp = epicsStrtod(pflddes->initial,NULL);
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return((field==dtemp));
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}
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return((field==0.0));
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}
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case DBF_DOUBLE: {
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double field = *(double *)pfield;
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double dtemp;
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if(pflddes->initial) {
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dtemp = epicsStrtod(pflddes->initial,NULL);
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return((field==dtemp));
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}
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return((field==0.0));
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}
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case DBF_ENUM: {
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unsigned short field = *(unsigned short *)pfield;
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unsigned long ltemp;
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if(pflddes->initial) {
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ltemp = strtoul(pflddes->initial,NULL,0);
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return((field==ltemp));
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}
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return((field==0));
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}
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case DBF_MENU: {
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unsigned short field = *(unsigned short *)pfield;
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long value;
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char *endp;
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if(pflddes->initial) {
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value = dbGetMenuIndexFromString(pdbentry,pflddes->initial);
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if(value==-1) {
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value = strtol(pflddes->initial,&endp,0);
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if(*endp!='\0') return(FALSE);
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}
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} else {
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value = 0;
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}
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if((unsigned short)value == field) return(TRUE);
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return(FALSE);
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}
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case DBF_DEVICE: {
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dbRecordType *precordType = pdbentry->precordType;
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if(!precordType) {
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epicsPrintf("dbIsDefaultValue: pdbRecordType is NULL??\n");
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return(FALSE);
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}
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if(ellCount(&precordType->devList)==0) return(TRUE);
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return(FALSE);
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}
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case DBF_INLINK:
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case DBF_OUTLINK:
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case DBF_FWDLINK: {
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struct link *plink = (struct link *)pfield;
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if(!plink) return(FALSE);
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if(plink->type!=CONSTANT) return(FALSE);
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if(plink->value.constantStr == 0) return(TRUE);
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if(!pflddes->initial) return(FALSE);
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if(strcmp(plink->value.constantStr,pflddes->initial)==0)
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return(TRUE);
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return(FALSE);
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}
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default:
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return(TRUE);
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}
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return(FALSE);
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}
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char *dbGetStringNum(DBENTRY *pdbentry)
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{
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dbFldDes *pflddes = pdbentry->pflddes;
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void *pfield = pdbentry->pfield;
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char *message;
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unsigned char cvttype;
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if(!pdbentry->message) pdbentry->message = dbCalloc(1,50);
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message = pdbentry->message;
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cvttype = pflddes->base;
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switch (pflddes->field_type) {
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case DBF_CHAR:
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if(cvttype==CT_DECIMAL)
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cvtCharToString(*(char*)pfield, message);
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else
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ulongToHexString((epicsUInt32)(*(char*)pfield),message);
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break;
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case DBF_UCHAR:
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if(cvttype==CT_DECIMAL)
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cvtUcharToString(*(unsigned char*)pfield, message);
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else
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ulongToHexString((epicsUInt32)(*(unsigned char*)pfield),message);
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break;
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case DBF_SHORT:
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if(cvttype==CT_DECIMAL)
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cvtShortToString(*(short*)pfield, message);
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else
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ulongToHexString((epicsUInt32)(*(short*)pfield),message);
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break;
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case DBF_USHORT:
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case DBF_ENUM:
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if(cvttype==CT_DECIMAL)
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cvtUshortToString(*(unsigned short*)pfield, message);
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else
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ulongToHexString((epicsUInt32)(*(unsigned short*)pfield),message);
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break;
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case DBF_LONG:
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if(cvttype==CT_DECIMAL)
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cvtLongToString(*(epicsInt32*)pfield, message);
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else
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ulongToHexString((epicsUInt32)(*(epicsInt32*)pfield), message);
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break;
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case DBF_ULONG:
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if(cvttype==CT_DECIMAL)
|
||
cvtUlongToString(*(epicsUInt32 *)pfield, message);
|
||
else
|
||
ulongToHexString(*(epicsUInt32*)pfield, message);
|
||
break;
|
||
case DBF_FLOAT:
|
||
floatToString(*(float *)pfield,message);
|
||
break;
|
||
case DBF_DOUBLE:
|
||
doubleToString(*(double *)pfield,message);
|
||
break;
|
||
case DBF_MENU: {
|
||
dbMenu *pdbMenu = (dbMenu *)pflddes->ftPvt;
|
||
short choice_ind;
|
||
char *pchoice;
|
||
|
||
if(!pfield) {strcpy(message,"Field not found"); return(message);}
|
||
choice_ind = *((short *) pdbentry->pfield);
|
||
if(!pdbMenu || choice_ind<0 || choice_ind>=pdbMenu->nChoice)
|
||
return(NULL);
|
||
pchoice = pdbMenu->papChoiceValue[choice_ind];
|
||
strcpy(message, pchoice);
|
||
}
|
||
break;
|
||
case DBF_DEVICE: {
|
||
dbDeviceMenu *pdbDeviceMenu;
|
||
char *pchoice;
|
||
short choice_ind;
|
||
|
||
if(!pfield) {strcpy(message,"Field not found"); return(message);}
|
||
pdbDeviceMenu = dbGetDeviceMenu(pdbentry);
|
||
if(!pdbDeviceMenu) return(NULL);
|
||
choice_ind = *((short *) pdbentry->pfield);
|
||
if(choice_ind<0 || choice_ind>=pdbDeviceMenu->nChoice)
|
||
return(NULL);
|
||
pchoice = pdbDeviceMenu->papChoice[choice_ind];
|
||
strcpy(message, pchoice);
|
||
}
|
||
break;
|
||
default:
|
||
return(NULL);
|
||
}
|
||
return (message);
|
||
}
|
||
|
||
long dbPutStringNum(DBENTRY *pdbentry,const char *pstring)
|
||
{
|
||
dbFldDes *pflddes = pdbentry->pflddes;
|
||
void *pfield = pdbentry->pfield;
|
||
long status=0;
|
||
|
||
if(!pfield) return(S_dbLib_fieldNotFound);
|
||
switch (pflddes->field_type) {
|
||
case DBF_CHAR :
|
||
case DBF_SHORT :
|
||
case DBF_LONG:{
|
||
long value;
|
||
char *endp;
|
||
|
||
value = strtol(pstring,&endp,0);
|
||
if(*endp!=0) status = S_dbLib_badField;
|
||
switch (pflddes->field_type) {
|
||
case DBF_CHAR : *(char *)pfield = value; break;
|
||
case DBF_SHORT : *(short *)pfield = value; break;
|
||
case DBF_LONG : *(epicsInt32 *)pfield = value; break;
|
||
default: epicsPrintf("Logic error in dbPutStringNum\n");
|
||
}
|
||
}
|
||
break;
|
||
case DBF_UCHAR:
|
||
case DBF_USHORT:
|
||
case DBF_ULONG:
|
||
case DBF_ENUM:{
|
||
unsigned long value;
|
||
char *endp;
|
||
|
||
value = strtoul(pstring,&endp,0);
|
||
if(*endp!=0) status = S_dbLib_badField;
|
||
switch (pflddes->field_type) {
|
||
case DBF_UCHAR : *(unsigned char *)pfield = value; break;
|
||
case DBF_USHORT:
|
||
case DBF_ENUM: *(unsigned short *)pfield=value; break;
|
||
case DBF_ULONG : *(epicsUInt32 *)pfield = value; break;
|
||
default: epicsPrintf("Logic error in dbPutStringNum\n");
|
||
}
|
||
}
|
||
break;
|
||
case DBF_FLOAT:
|
||
case DBF_DOUBLE: {
|
||
double value;
|
||
char *endp;
|
||
|
||
value = epicsStrtod(pstring,&endp);
|
||
if(*endp!=0) status = S_dbLib_badField;
|
||
if(pflddes->field_type == DBF_FLOAT)
|
||
*(float *)pfield = (float)value;
|
||
else
|
||
*(double *)pfield = value;
|
||
}
|
||
break;
|
||
case DBF_MENU:
|
||
case DBF_DEVICE: {/*Must allow value that is choice or index*/
|
||
unsigned short *field= (unsigned short*)pfield;
|
||
int ind;
|
||
long value;
|
||
char *endp;
|
||
|
||
ind = dbGetMenuIndexFromString(pdbentry,pstring);
|
||
if(ind==-1) {
|
||
value = strtol(pstring,&endp,0);
|
||
if(*endp!='\0') return(S_dbLib_badField);
|
||
ind = value;
|
||
/*Check that ind is withing range*/
|
||
if(!dbGetMenuStringFromIndex(pdbentry,ind))
|
||
return(S_dbLib_badField);
|
||
}
|
||
*field = (unsigned short)ind;
|
||
}
|
||
return (0);
|
||
default:
|
||
return (S_dbLib_badField);
|
||
}
|
||
return(status);
|
||
}
|
||
|
||
epicsShareFunc int epicsShareAPI dbGetMenuIndex(DBENTRY *pdbentry)
|
||
{
|
||
dbFldDes *pflddes = pdbentry->pflddes;
|
||
void *pfield = pdbentry->pfield;
|
||
|
||
if(!pflddes) return(-1);
|
||
if(!pfield) return(-1);
|
||
switch (pflddes->field_type) {
|
||
case (DBF_MENU):
|
||
case (DBF_DEVICE):
|
||
return((int)(*(unsigned short *)pfield));
|
||
default:
|
||
errPrintf(-1,__FILE__, __LINE__,"Logic Error\n");
|
||
}
|
||
return(-1);
|
||
}
|
||
|
||
epicsShareFunc long epicsShareAPI dbPutMenuIndex(DBENTRY *pdbentry,int index)
|
||
{
|
||
dbFldDes *pflddes = pdbentry->pflddes;
|
||
unsigned short *pfield = pdbentry->pfield;
|
||
|
||
if(!pflddes) return(S_dbLib_flddesNotFound);
|
||
if(!pfield) return(S_dbLib_fieldNotFound);
|
||
switch (pflddes->field_type) {
|
||
case DBF_MENU: {
|
||
dbMenu *pdbMenu = (dbMenu *)pflddes->ftPvt;
|
||
|
||
if(!pdbMenu) return(S_dbLib_menuNotFound);
|
||
if(index<0 || index>=pdbMenu->nChoice) return(S_dbLib_badField);
|
||
*pfield = (unsigned short)index;
|
||
return(0);
|
||
}
|
||
case DBF_DEVICE: {
|
||
dbDeviceMenu *pdbDeviceMenu;
|
||
|
||
pdbDeviceMenu = dbGetDeviceMenu(pdbentry);
|
||
if(!pdbDeviceMenu) return(S_dbLib_menuNotFound);
|
||
if(index<0 || index>=pdbDeviceMenu->nChoice)
|
||
return(S_dbLib_badField);
|
||
return(dbPutString(pdbentry,pdbDeviceMenu->papChoice[index]));
|
||
}
|
||
default:
|
||
break;
|
||
}
|
||
return (S_dbLib_badField);
|
||
}
|