1791 lines
51 KiB
C++
1791 lines
51 KiB
C++
/*
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* C O N V E R T . C
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*
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* Author: D. Kersteins
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*
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*
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* NOTES:
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*
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* 1) All routines in this file have an encode argument which
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* determines if we are converting from the standard format to
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* the local format or vise versa. To date only float and double data
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* types must be converted differently depending on the encode
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* argument - joh
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*
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* History
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* joh 10-21-90 Moved atomic types here to avoid
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* maintenance problems in service.c
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* This also provides for a cleaner seperation
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* of function.
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* joh 10-21-90 Added new DBR_XXXX types for release two
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* joh 03-15-94 Added many missing types, named ca types,
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* and ANSI C changes.
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* joh 07-05-94 Fixed double invocation of ++ operator
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* by byte swap macro bug in cvrt_short(),
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* cvrt_long(), cvrt_enum().
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* joh 11-02-94 moved float convert to this source
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*
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*
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*/
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#include <string.h>
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#include "iocinf.h"
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#include "net_convert.h"
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#if defined(VMS)
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#include <cvt$routines.h>
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#include <cvtdef.h>
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#endif
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/*
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* NOOP if this isnt required
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*/
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#ifdef CONVERSION_REQUIRED
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/*
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* if hton is true then it is a host to network conversion
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* otherwise vise-versa
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*
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* net format: big endian and IEEE float
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*
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* typedef void CACVRTFUNC(
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* void *pSource,
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* void *pDestination,
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* int hton,
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* unsigned long count);
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*/
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LOCAL CACVRTFUNC cvrt_string;
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LOCAL CACVRTFUNC cvrt_short;
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LOCAL CACVRTFUNC cvrt_float;
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LOCAL CACVRTFUNC cvrt_enum;
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LOCAL CACVRTFUNC cvrt_char;
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LOCAL CACVRTFUNC cvrt_long;
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LOCAL CACVRTFUNC cvrt_double;
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LOCAL CACVRTFUNC cvrt_sts_string;
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LOCAL CACVRTFUNC cvrt_sts_short;
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LOCAL CACVRTFUNC cvrt_sts_float;
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LOCAL CACVRTFUNC cvrt_sts_enum;
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LOCAL CACVRTFUNC cvrt_sts_char;
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LOCAL CACVRTFUNC cvrt_sts_long;
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LOCAL CACVRTFUNC cvrt_sts_double;
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LOCAL CACVRTFUNC cvrt_time_string;
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LOCAL CACVRTFUNC cvrt_time_short;
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LOCAL CACVRTFUNC cvrt_time_float;
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LOCAL CACVRTFUNC cvrt_time_enum;
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LOCAL CACVRTFUNC cvrt_time_char;
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LOCAL CACVRTFUNC cvrt_time_long;
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LOCAL CACVRTFUNC cvrt_time_double;
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LOCAL CACVRTFUNC cvrt_gr_short;
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LOCAL CACVRTFUNC cvrt_gr_float;
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LOCAL CACVRTFUNC cvrt_gr_enum;
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LOCAL CACVRTFUNC cvrt_gr_char;
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LOCAL CACVRTFUNC cvrt_gr_long;
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LOCAL CACVRTFUNC cvrt_gr_double;
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LOCAL CACVRTFUNC cvrt_ctrl_short;
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LOCAL CACVRTFUNC cvrt_ctrl_float;
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LOCAL CACVRTFUNC cvrt_ctrl_enum;
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LOCAL CACVRTFUNC cvrt_ctrl_char;
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LOCAL CACVRTFUNC cvrt_ctrl_long;
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LOCAL CACVRTFUNC cvrt_ctrl_double;
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LOCAL CACVRTFUNC cvrt_put_ackt;
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LOCAL CACVRTFUNC cvrt_stsack_string;
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/* cvrt is (array of) (pointer to) (function returning) int */
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epicsShareDef CACVRTFUNC *cac_dbr_cvrt[]
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=
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{
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cvrt_string,
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cvrt_short,
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cvrt_float,
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cvrt_enum,
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cvrt_char,
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cvrt_long,
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cvrt_double,
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cvrt_sts_string,
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cvrt_sts_short,
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cvrt_sts_float,
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cvrt_sts_enum,
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cvrt_sts_char,
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cvrt_sts_long,
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cvrt_sts_double,
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cvrt_time_string,
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cvrt_time_short,
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cvrt_time_float,
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cvrt_time_enum,
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cvrt_time_char,
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cvrt_time_long,
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cvrt_time_double,
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cvrt_sts_string, /* DBR_GR_STRING identical to dbr_sts_string */
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cvrt_gr_short,
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cvrt_gr_float,
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cvrt_gr_enum,
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cvrt_gr_char,
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cvrt_gr_long,
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cvrt_gr_double,
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cvrt_sts_string, /* DBR_CTRL_STRING identical to dbr_sts_string */
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cvrt_ctrl_short,
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cvrt_ctrl_float,
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cvrt_ctrl_enum,
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cvrt_ctrl_char,
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cvrt_ctrl_long,
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cvrt_ctrl_double,
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cvrt_put_ackt,
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cvrt_put_ackt, /* DBR_PUT_ACKS identical to DBR_PUT_ACKT */
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cvrt_stsack_string,
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cvrt_string
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};
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#define dbr_ntohs(A) (ntohs(A))
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#define dbr_ntohl(A) (ntohl(A))
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#define dbr_htons(A) (htons(A))
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#define dbr_htonl(A) (htonl(A))
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/*
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* CVRT_STRING()
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*
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*
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*
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*
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*/
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LOCAL void cvrt_string(
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void *s, /* source */
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void *d, /* destination */
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int encode, /* cvrt HOST to NET if T */
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unsigned long num /* number of values */
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)
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{
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char *pSrc = (char *) s;
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char *pDest = (char *) d;
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/* convert "in place" -> nothing to do */
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if (s == d)
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return;
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if(num == 1){
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strcpy(pDest, pSrc);
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}
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else{
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memcpy(pDest, pSrc, num*MAX_STRING_SIZE);
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}
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}
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/*
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* CVRT_SHORT()
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*
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*
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*
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*
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*/
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LOCAL void cvrt_short(
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void *s, /* source */
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void *d, /* destination */
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int encode, /* cvrt HOST to NET if T */
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unsigned long num /* number of values */
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)
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{
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dbr_short_t *pSrc = (dbr_short_t *) s;
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dbr_short_t *pDest = (dbr_short_t *) d;
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unsigned long i;
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for(i=0; i<num; i++){
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*pDest = dbr_ntohs( *pSrc );
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/*
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* dont increment these inside the MACRO
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*/
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pDest++;
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pSrc++;
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}
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}
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/*
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* CVRT_CHAR()
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*
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*
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*
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*
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*/
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LOCAL void cvrt_char(
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void *s, /* source */
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void *d, /* destination */
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int encode, /* cvrt HOST to NET if T */
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unsigned long num /* number of values */
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)
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{
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unsigned long i;
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dbr_char_t *pSrc = (dbr_char_t *) s;
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dbr_char_t *pDest = (dbr_char_t *) d;
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/* convert "in place" -> nothing to do */
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if (s == d)
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return;
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for(i=0; i<num; i++){
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*pDest++ = *pSrc++;
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}
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}
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/*
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* CVRT_LONG()
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*
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*
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*
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*
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*/
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LOCAL void cvrt_long(
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void *s, /* source */
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void *d, /* destination */
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int encode, /* cvrt HOST to NET if T */
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unsigned long num /* number of values */
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)
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{
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unsigned long i;
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dbr_long_t *pSrc = (dbr_long_t *) s;
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dbr_long_t *pDest = (dbr_long_t *) d;
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for(i=0; i<num; i++){
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*pDest = dbr_ntohl( *pSrc );
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/*
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* dont increment these inside the MACRO
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*/
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pDest++;
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pSrc++;
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}
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}
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/*
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* CVRT_ENUM()
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*
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*
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*
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*
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*/
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LOCAL void cvrt_enum(
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void *s, /* source */
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void *d, /* destination */
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int encode, /* cvrt HOST to NET if T */
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unsigned long num /* number of values */
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)
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{
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unsigned long i;
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dbr_enum_t *pSrc;
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dbr_enum_t *pDest;
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pSrc = (dbr_enum_t *) s;
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pDest = (dbr_enum_t *) d;
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for(i=0; i<num; i++){
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*pDest = dbr_ntohs(*pSrc);
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/*
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* dont increment these inside the MACRO
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*/
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pDest++;
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pSrc++;
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}
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}
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/*
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* CVRT_FLOAT()
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*
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*
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* NOTES:
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* placing encode outside the loop results in more
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* code but better performance.
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*
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*/
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LOCAL void cvrt_float(
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void *s, /* source */
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void *d, /* destination */
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int encode, /* cvrt HOST to NET if T */
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unsigned long num /* number of values */
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)
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{
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unsigned long i;
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dbr_float_t *pSrc = (dbr_float_t *) s;
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dbr_float_t *pDest = (dbr_float_t *) d;
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for(i=0; i<num; i++){
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if(encode){
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dbr_htonf(pSrc, pDest);
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}
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else{
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dbr_ntohf(pSrc, pDest);
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}
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/*
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* dont increment these inside the MACRO
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*/
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pSrc++;
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pDest++;
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}
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}
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/*
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* CVRT_DOUBLE()
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*
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*
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*
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*
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*/
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LOCAL void cvrt_double(
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void *s, /* source */
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void *d, /* destination */
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int encode, /* cvrt HOST to NET if T */
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unsigned long num /* number of values */
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)
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{
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unsigned long i;
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dbr_double_t *pSrc = (dbr_double_t *) s;
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dbr_double_t *pDest = (dbr_double_t *) d;
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for(i=0; i<num; i++){
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if(encode){
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dbr_htond(pSrc,pDest);
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}
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else{
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dbr_ntohd(pSrc,pDest);
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}
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/*
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* dont increment these inside the MACRO
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*/
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pSrc++;
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pDest++;
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}
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}
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/****************************************************************************
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** cvrt_sts_string(s,d)
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** struct dbr_sts_string *s pointer to source struct
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** struct dbr_sts_string *d pointer to destination struct
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** int encode; boolean, if true vax to ieee
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** else ieee to vax
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**
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** converts fields of struct in HOST format to NET format
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** or
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** converts fields of struct in NET format to fields with HOST
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** format;
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****************************************************************************/
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LOCAL void cvrt_sts_string(
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void *s, /* source */
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void *d, /* destination */
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int encode, /* cvrt HOST to NET if T */
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unsigned long num /* number of values */
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)
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{
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struct dbr_sts_string *pSrc = (struct dbr_sts_string *) s;
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struct dbr_sts_string *pDest = (struct dbr_sts_string *) d;
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/* convert ieee to vax format or vax to ieee */
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pDest->status = dbr_ntohs(pSrc->status);
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pDest->severity = dbr_ntohs(pSrc->severity);
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/* convert "in place" -> nothing else to do */
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if (s == d)
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return;
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if (num == 1) /* if single value */
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strcpy(pDest->value, pSrc->value);
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else
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memcpy(pDest->value, pSrc->value, (MAX_STRING_SIZE * num));
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}
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/****************************************************************************
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** cvrt_sts_short(s,d)
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** struct dbr_sts_int *s pointer to source struct
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** struct dbr_sts_int *d pointer to destination struct
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** int encode; boolean, if true vax to ieee
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** else ieee to vax
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**
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** converts fields ofstruct in HOST format to ieee format
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** or
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** converts fields of struct in NET format to fields with HOST
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** format
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****************************************************************************/
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LOCAL void cvrt_sts_short(
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void *s, /* source */
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void *d, /* destination */
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int encode, /* cvrt HOST to NET if T */
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unsigned long num /* number of values */
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)
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{
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struct dbr_sts_int *pSrc = (struct dbr_sts_int *) s;
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struct dbr_sts_int *pDest = (struct dbr_sts_int *) d;
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/* convert vax to ieee or ieee to vax format -- same code*/
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pDest->status = dbr_ntohs(pSrc->status);
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pDest->severity = dbr_ntohs(pSrc->severity);
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if (num == 1) /* single value */
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pDest->value = dbr_ntohs(pSrc->value);
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else /* array chan-- multiple pts */
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{
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cvrt_short(&pSrc->value, &pDest->value, encode, num);
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}
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}
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/****************************************************************************
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** cvrt_sts_float(s,d)
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** struct dbr_sts_float *s pointer to source struct
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** struct dbr_sts_float *d pointer to destination struct
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** int encode; boolean, if true vax to ieee
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** else ieee to vax
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**
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** if encode
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** converts struct in HOST format to ieee format
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** else
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** converts fields of struct in NET format to fields with HOST
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** format;
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****************************************************************************/
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LOCAL void cvrt_sts_float(
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void *s, /* source */
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void *d, /* destination */
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int encode, /* cvrt HOST to NET if T */
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unsigned long num /* number of values */
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)
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{
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struct dbr_sts_float *pSrc = (struct dbr_sts_float *) s;
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struct dbr_sts_float *pDest = (struct dbr_sts_float *) d;
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pDest->status = dbr_ntohs(pSrc->status);
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pDest->severity = dbr_ntohs(pSrc->severity);
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cvrt_float(&pSrc->value, &pDest->value, encode, num);
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}
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/****************************************************************************
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** cvrt_sts_double(s,d)
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**
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** if encode
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** converts struct in HOST format to ieee format
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** else
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** converts fields of struct in NET format to fields with HOST
|
|
** format;
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|
****************************************************************************/
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LOCAL void cvrt_sts_double(
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void *s, /* source */
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void *d, /* destination */
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int encode, /* cvrt HOST to NET if T */
|
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unsigned long num /* number of values */
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)
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{
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struct dbr_sts_double *pSrc = (struct dbr_sts_double *) s;
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struct dbr_sts_double *pDest = (struct dbr_sts_double *) d;
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pDest->status = dbr_ntohs(pSrc->status);
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pDest->severity = dbr_ntohs(pSrc->severity);
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cvrt_double(&pSrc->value, &pDest->value, encode, num);
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}
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|
|
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/****************************************************************************
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|
** cvrt_sts_enum(s,d)
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|
** struct dbr_sts_enum *s pointer to source struct
|
|
** struct dbr_sts_enum *d pointer to destination struct
|
|
** int encode; boolean, if true vax to ieee
|
|
** else ieee to vax
|
|
**
|
|
** converts fields of struct in NET format to fields with HOST format
|
|
** or
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|
** converts fields of struct in HOST format to fields with NET format
|
|
**
|
|
****************************************************************************/
|
|
|
|
LOCAL void cvrt_sts_enum(
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void *s, /* source */
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void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
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|
struct dbr_sts_enum *pSrc = (struct dbr_sts_enum *) s;
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|
struct dbr_sts_enum *pDest = (struct dbr_sts_enum *) d;
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|
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pDest->status = dbr_ntohs(pSrc->status);
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pDest->severity = dbr_ntohs(pSrc->severity);
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if (num == 1)
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pDest->value = dbr_ntohs(pSrc->value);
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else {
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cvrt_enum(&pSrc->value,&pDest->value,encode,num);
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}
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}
|
|
|
|
/****************************************************************************
|
|
** cvrt_gr_short()
|
|
**
|
|
** converts fields of struct in NET format to fields with HOST format
|
|
** or
|
|
** converts fields of struct in HOST format to fields with NET format
|
|
**
|
|
****************************************************************************/
|
|
|
|
LOCAL void cvrt_gr_short(
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void *s, /* source */
|
|
void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
|
|
struct dbr_gr_int *pSrc = (struct dbr_gr_int *) s;
|
|
struct dbr_gr_int *pDest = (struct dbr_gr_int *) d;
|
|
|
|
pDest->status = dbr_ntohs(pSrc->status);
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|
pDest->severity = dbr_ntohs(pSrc->severity);
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|
memcpy(pDest->units,pSrc->units,sizeof(pSrc->units));
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|
|
|
pDest->upper_disp_limit = dbr_ntohs(pSrc->upper_disp_limit);
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|
pDest->lower_disp_limit = dbr_ntohs(pSrc->lower_disp_limit);
|
|
pDest->upper_alarm_limit = dbr_ntohs(pSrc->upper_alarm_limit);
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|
pDest->upper_warning_limit = dbr_ntohs(pSrc->upper_warning_limit);
|
|
pDest->lower_alarm_limit = dbr_ntohs(pSrc->lower_alarm_limit);
|
|
pDest->lower_warning_limit = dbr_ntohs(pSrc->lower_warning_limit);
|
|
|
|
if (num == 1)
|
|
pDest->value = dbr_ntohs(pSrc->value);
|
|
else {
|
|
cvrt_short(&pSrc->value, &pDest->value, encode,num);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
** cvrt_gr_char()
|
|
**
|
|
** converts fields of struct in NET format to fields with HOST format
|
|
** or
|
|
** converts fields of struct in HOST format to fields with NET format
|
|
**
|
|
****************************************************************************/
|
|
|
|
LOCAL void cvrt_gr_char(
|
|
void *s, /* source */
|
|
void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
|
|
struct dbr_gr_char *pSrc = (struct dbr_gr_char *) s;
|
|
struct dbr_gr_char *pDest = (struct dbr_gr_char *) d;
|
|
|
|
pDest->status = dbr_ntohs(pSrc->status);
|
|
pDest->severity = dbr_ntohs(pSrc->severity);
|
|
|
|
if (s == d) /* source == dest -> no more conversions */
|
|
return;
|
|
|
|
memcpy(pDest->units,pSrc->units,sizeof(pSrc->units));
|
|
|
|
pDest->upper_disp_limit = pSrc->upper_disp_limit;
|
|
pDest->lower_disp_limit = pSrc->lower_disp_limit;
|
|
pDest->upper_alarm_limit = pSrc->upper_alarm_limit;
|
|
pDest->upper_warning_limit = pSrc->upper_warning_limit;
|
|
pDest->lower_alarm_limit = pSrc->lower_alarm_limit;
|
|
pDest->lower_warning_limit = pSrc->lower_warning_limit;
|
|
|
|
if (num == 1)
|
|
pDest->value = pSrc->value;
|
|
else {
|
|
memcpy((char *)&pDest->value, (char *)&pSrc->value, num);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
** cvrt_gr_long()
|
|
**
|
|
** converts fields of struct in NET format to fields with HOST format
|
|
** or
|
|
** converts fields of struct in HOST format to fields with NET format
|
|
**
|
|
****************************************************************************/
|
|
|
|
LOCAL void cvrt_gr_long(
|
|
void *s, /* source */
|
|
void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
|
|
struct dbr_gr_long *pSrc = (struct dbr_gr_long *) s;
|
|
struct dbr_gr_long *pDest = (struct dbr_gr_long *) d;
|
|
|
|
pDest->status = dbr_ntohs(pSrc->status);
|
|
pDest->severity = dbr_ntohs(pSrc->severity);
|
|
memcpy(pDest->units,pSrc->units,sizeof(pSrc->units));
|
|
|
|
pDest->upper_disp_limit = dbr_ntohl(pSrc->upper_disp_limit);
|
|
pDest->lower_disp_limit = dbr_ntohl(pSrc->lower_disp_limit);
|
|
pDest->upper_alarm_limit = dbr_ntohl(pSrc->upper_alarm_limit);
|
|
pDest->upper_warning_limit = dbr_ntohl(pSrc->upper_warning_limit);
|
|
pDest->lower_alarm_limit = dbr_ntohl(pSrc->lower_alarm_limit);
|
|
pDest->lower_warning_limit = dbr_ntohl(pSrc->lower_warning_limit);
|
|
|
|
if (num == 1)
|
|
pDest->value = dbr_ntohl(pSrc->value);
|
|
else {
|
|
cvrt_long(&pSrc->value, &pDest->value, encode, num);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
** cvrt_gr_enum(s,d)
|
|
**
|
|
** if encode
|
|
** converts struct in HOST format to ieee format
|
|
** else
|
|
** converts fields of struct in NET format to fields with HOST
|
|
** format;
|
|
****************************************************************************/
|
|
|
|
LOCAL void cvrt_gr_enum(
|
|
void *s, /* source */
|
|
void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
|
|
struct dbr_gr_enum *pSrc = (struct dbr_gr_enum *) s;
|
|
struct dbr_gr_enum *pDest = (struct dbr_gr_enum *) d;
|
|
|
|
pDest->status = dbr_ntohs(pSrc->status);
|
|
pDest->severity = dbr_ntohs(pSrc->severity);
|
|
pDest->no_str = dbr_ntohs(pSrc->no_str);
|
|
memcpy((void *)pDest->strs,(void *)pSrc->strs,sizeof(pSrc->strs));
|
|
|
|
if (num == 1) /* single value */
|
|
pDest->value = dbr_ntohs(pSrc->value);
|
|
else /* array chan-- multiple pts */
|
|
{
|
|
cvrt_enum(&(pSrc->value), &(pDest->value), encode, num);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
** cvrt_gr_double(s,d)
|
|
**
|
|
** if encode
|
|
** converts struct in HOST format to ieee format
|
|
** else
|
|
** converts fields of struct in NET format to fields with HOST
|
|
** format;
|
|
****************************************************************************/
|
|
|
|
LOCAL void cvrt_gr_double(
|
|
void *s, /* source */
|
|
void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
|
|
struct dbr_gr_double *pSrc = (struct dbr_gr_double *) s;
|
|
struct dbr_gr_double *pDest = (struct dbr_gr_double *) d;
|
|
|
|
/* these are same for vax to ieee or ieee to vax */
|
|
pDest->status = dbr_ntohs(pSrc->status);
|
|
pDest->severity = dbr_ntohs(pSrc->severity);
|
|
pDest->precision = dbr_ntohs(pSrc->precision);
|
|
memcpy(pDest->units,pSrc->units,sizeof(pSrc->units));
|
|
|
|
if (encode) /* vax to ieee convert */
|
|
{
|
|
if (num == 1){
|
|
dbr_htond(&pSrc->value, &pDest->value);
|
|
}
|
|
else {
|
|
cvrt_double(&pSrc->value, &pDest->value, encode,num);
|
|
}
|
|
dbr_htond(&pSrc->upper_disp_limit,&pDest->upper_disp_limit);
|
|
dbr_htond(&pSrc->lower_disp_limit, &pDest->lower_disp_limit);
|
|
dbr_htond(&pSrc->upper_alarm_limit, &pDest->upper_alarm_limit);
|
|
dbr_htond(&pSrc->upper_warning_limit, &pDest->upper_warning_limit);
|
|
dbr_htond(&pSrc->lower_alarm_limit, &pDest->lower_alarm_limit);
|
|
dbr_htond(&pSrc->lower_warning_limit, &pDest->lower_warning_limit);
|
|
}
|
|
else /* ieee to vax convert */
|
|
{
|
|
if (num == 1){
|
|
dbr_ntohd(&pSrc->value, &pDest->value);
|
|
}
|
|
else {
|
|
cvrt_double(&pSrc->value, &pDest->value, encode,num);
|
|
}
|
|
dbr_ntohd(&pSrc->upper_disp_limit,&pDest->upper_disp_limit);
|
|
dbr_ntohd(&pSrc->lower_disp_limit, &pDest->lower_disp_limit);
|
|
dbr_ntohd(&pSrc->upper_alarm_limit, &pDest->upper_alarm_limit);
|
|
dbr_ntohd(&pSrc->upper_warning_limit, &pDest->upper_warning_limit);
|
|
dbr_ntohd(&pSrc->lower_alarm_limit, &pDest->lower_alarm_limit);
|
|
dbr_ntohd(&pSrc->lower_warning_limit, &pDest->lower_warning_limit);
|
|
}
|
|
}
|
|
|
|
|
|
/****************************************************************************
|
|
** cvrt_gr_float(s,d)
|
|
** struct dbr_gr_float *d pointer to destination struct
|
|
** int encode; boolean, if true vax to ieee
|
|
** else ieee to vax
|
|
**
|
|
** if encode
|
|
** converts struct in HOST format to ieee format
|
|
** else
|
|
** converts fields of struct in NET format to fields with HOST
|
|
** format;
|
|
****************************************************************************/
|
|
|
|
LOCAL void cvrt_gr_float(
|
|
void *s, /* source */
|
|
void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
|
|
struct dbr_gr_float *pSrc = (struct dbr_gr_float *) s;
|
|
struct dbr_gr_float *pDest = (struct dbr_gr_float *) d;
|
|
|
|
/* these are same for vax to ieee or ieee to vax */
|
|
pDest->status = dbr_ntohs(pSrc->status);
|
|
pDest->severity = dbr_ntohs(pSrc->severity);
|
|
pDest->precision = dbr_ntohs(pSrc->precision);
|
|
memcpy(pDest->units,pSrc->units,sizeof(pSrc->units));
|
|
|
|
if (encode) /* vax to ieee convert */
|
|
{
|
|
if (num == 1){
|
|
dbr_htonf(&pSrc->value, &pDest->value);
|
|
}
|
|
else {
|
|
cvrt_float(&pSrc->value, &pDest->value, encode,num);
|
|
}
|
|
dbr_htonf(&pSrc->upper_disp_limit,&pDest->upper_disp_limit);
|
|
dbr_htonf(&pSrc->lower_disp_limit, &pDest->lower_disp_limit);
|
|
dbr_htonf(&pSrc->upper_alarm_limit, &pDest->upper_alarm_limit);
|
|
dbr_htonf(&pSrc->upper_warning_limit, &pDest->upper_warning_limit);
|
|
dbr_htonf(&pSrc->lower_alarm_limit, &pDest->lower_alarm_limit);
|
|
dbr_htonf(&pSrc->lower_warning_limit, &pDest->lower_warning_limit);
|
|
}
|
|
else /* ieee to vax convert */
|
|
{
|
|
if (num == 1){
|
|
dbr_ntohf(&pSrc->value, &pDest->value);
|
|
}
|
|
else {
|
|
cvrt_float(&pSrc->value, &pDest->value, encode,num);
|
|
}
|
|
dbr_ntohf(&pSrc->upper_disp_limit,&pDest->upper_disp_limit);
|
|
dbr_ntohf(&pSrc->lower_disp_limit, &pDest->lower_disp_limit);
|
|
dbr_ntohf(&pSrc->upper_alarm_limit, &pDest->upper_alarm_limit);
|
|
dbr_ntohf(&pSrc->upper_warning_limit, &pDest->upper_warning_limit);
|
|
dbr_ntohf(&pSrc->lower_alarm_limit, &pDest->lower_alarm_limit);
|
|
dbr_ntohf(&pSrc->lower_warning_limit, &pDest->lower_warning_limit);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
** cvrt_ctrl_short(s,d)
|
|
** struct dbr_gr_int *s pointer to source struct
|
|
** struct dbr_gr_int *d pointer to destination struct
|
|
** int encode; boolean, if true vax to ieee
|
|
** else ieee to vax
|
|
**
|
|
** converts fields of struct in NET format to fields with HOST format
|
|
** or
|
|
** converts fields of struct in HOST format to fields with NET format
|
|
**
|
|
****************************************************************************/
|
|
|
|
LOCAL void cvrt_ctrl_short(
|
|
void *s, /* source */
|
|
void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
|
|
struct dbr_ctrl_int *pSrc = (struct dbr_ctrl_int *) s;
|
|
struct dbr_ctrl_int *pDest = (struct dbr_ctrl_int *) d;
|
|
|
|
/* vax to ieee or ieee to vax -- same code */
|
|
pDest->status = dbr_ntohs(pSrc->status);
|
|
pDest->severity = dbr_ntohs(pSrc->severity);
|
|
memcpy(pDest->units,pSrc->units,sizeof(pSrc->units));
|
|
|
|
pDest->upper_disp_limit = dbr_ntohs(pSrc->upper_disp_limit);
|
|
pDest->lower_disp_limit = dbr_ntohs(pSrc->lower_disp_limit);
|
|
pDest->upper_alarm_limit = dbr_ntohs(pSrc->upper_alarm_limit);
|
|
pDest->upper_warning_limit = dbr_ntohs(pSrc->upper_warning_limit);
|
|
pDest->lower_alarm_limit = dbr_ntohs(pSrc->lower_alarm_limit);
|
|
pDest->lower_warning_limit = dbr_ntohs(pSrc->lower_warning_limit);
|
|
pDest->lower_ctrl_limit = dbr_ntohs(pSrc->lower_ctrl_limit);
|
|
pDest->upper_ctrl_limit = dbr_ntohs(pSrc->upper_ctrl_limit);
|
|
|
|
if (num == 1)
|
|
pDest->value = dbr_ntohs(pSrc->value);
|
|
else {
|
|
cvrt_short(&pSrc->value, &pDest->value, encode, num);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
** cvrt_ctrl_long(s,d)
|
|
**
|
|
** converts fields of struct in NET format to fields with HOST format
|
|
** or
|
|
** converts fields of struct in HOST format to fields with NET format
|
|
**
|
|
****************************************************************************/
|
|
|
|
LOCAL void cvrt_ctrl_long(
|
|
void *s, /* source */
|
|
void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
|
|
struct dbr_ctrl_long *pSrc = (struct dbr_ctrl_long*) s;
|
|
struct dbr_ctrl_long *pDest = (struct dbr_ctrl_long *) d;
|
|
|
|
/* vax to ieee or ieee to vax -- same code */
|
|
pDest->status = dbr_ntohs(pSrc->status);
|
|
pDest->severity = dbr_ntohs(pSrc->severity);
|
|
memcpy(pDest->units,pSrc->units,sizeof(pSrc->units));
|
|
|
|
pDest->upper_disp_limit = dbr_ntohl(pSrc->upper_disp_limit);
|
|
pDest->lower_disp_limit = dbr_ntohl(pSrc->lower_disp_limit);
|
|
pDest->upper_alarm_limit = dbr_ntohl(pSrc->upper_alarm_limit);
|
|
pDest->upper_warning_limit = dbr_ntohl(pSrc->upper_warning_limit);
|
|
pDest->lower_alarm_limit = dbr_ntohl(pSrc->lower_alarm_limit);
|
|
pDest->lower_warning_limit = dbr_ntohl(pSrc->lower_warning_limit);
|
|
pDest->lower_ctrl_limit = dbr_ntohl(pSrc->lower_ctrl_limit);
|
|
pDest->upper_ctrl_limit = dbr_ntohl(pSrc->upper_ctrl_limit);
|
|
|
|
if (num == 1)
|
|
pDest->value = dbr_ntohl(pSrc->value);
|
|
else {
|
|
cvrt_long(&pSrc->value, &pDest->value, encode, num);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
** cvrt_ctrl_short(s,d)
|
|
**
|
|
** converts fields of struct in NET format to fields with HOST format
|
|
** or
|
|
** converts fields of struct in HOST format to fields with NET format
|
|
**
|
|
****************************************************************************/
|
|
|
|
LOCAL void cvrt_ctrl_char(
|
|
void *s, /* source */
|
|
void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
|
|
struct dbr_ctrl_char *pSrc = (struct dbr_ctrl_char *) s;
|
|
struct dbr_ctrl_char *pDest = (struct dbr_ctrl_char *) d;
|
|
|
|
/* vax to ieee or ieee to vax -- same code */
|
|
pDest->status = dbr_ntohs(pSrc->status);
|
|
pDest->severity = dbr_ntohs(pSrc->severity);
|
|
|
|
pDest->upper_disp_limit = pSrc->upper_disp_limit;
|
|
pDest->lower_disp_limit = pSrc->lower_disp_limit;
|
|
pDest->upper_alarm_limit = pSrc->upper_alarm_limit;
|
|
pDest->upper_warning_limit = pSrc->upper_warning_limit;
|
|
pDest->lower_ctrl_limit = pSrc->lower_ctrl_limit;
|
|
pDest->upper_ctrl_limit = pSrc->upper_ctrl_limit;
|
|
|
|
if (num == 1)
|
|
pDest->value = pSrc->value;
|
|
else {
|
|
memcpy((void *)&pDest->value, (void *)&pSrc->value, num);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
** cvrt_ctrl_double(s,d)
|
|
**
|
|
** if encode
|
|
** converts struct in HOST format to ieee format
|
|
** else
|
|
** converts fields of struct in NET format to fields with HOST
|
|
** format;
|
|
****************************************************************************/
|
|
|
|
LOCAL void cvrt_ctrl_double(
|
|
void *s, /* source */
|
|
void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
|
|
struct dbr_ctrl_double *pSrc = (struct dbr_ctrl_double *) s;
|
|
struct dbr_ctrl_double *pDest = (struct dbr_ctrl_double *) d;
|
|
|
|
/* these are the same for ieee to vax or vax to ieee */
|
|
pDest->status = dbr_ntohs(pSrc->status);
|
|
pDest->severity = dbr_ntohs(pSrc->severity);
|
|
pDest->precision = dbr_ntohs(pSrc->precision);
|
|
memcpy(pDest->units,pSrc->units,sizeof(pSrc->units));
|
|
if (encode) /* vax to ieee convert */
|
|
{
|
|
if (num == 1){
|
|
dbr_htond(&pSrc->value, &pDest->value);
|
|
}
|
|
else {
|
|
cvrt_double(&pSrc->value, &pDest->value, encode, num);
|
|
}
|
|
dbr_htond(&pSrc->upper_disp_limit,&pDest->upper_disp_limit);
|
|
dbr_htond(&pSrc->lower_disp_limit, &pDest->lower_disp_limit);
|
|
dbr_htond(&pSrc->upper_alarm_limit, &pDest->upper_alarm_limit);
|
|
dbr_htond(&pSrc->upper_warning_limit, &pDest->upper_warning_limit);
|
|
dbr_htond(&pSrc->lower_alarm_limit, &pDest->lower_alarm_limit);
|
|
dbr_htond(&pSrc->lower_warning_limit, &pDest->lower_warning_limit);
|
|
dbr_htond(&pSrc->lower_ctrl_limit, &pDest->lower_ctrl_limit);
|
|
dbr_htond(&pSrc->upper_ctrl_limit, &pDest->upper_ctrl_limit);
|
|
}
|
|
else /* ieee to vax convert */
|
|
{
|
|
if (num == 1){
|
|
dbr_ntohd(&pSrc->value, &pDest->value);
|
|
}
|
|
else {
|
|
cvrt_double(&pSrc->value, &pDest->value, encode, num);
|
|
}
|
|
dbr_ntohd(&pSrc->lower_disp_limit, &pDest->lower_disp_limit);
|
|
dbr_ntohd(&pSrc->upper_disp_limit, &pDest->upper_disp_limit);
|
|
dbr_ntohd(&pSrc->upper_alarm_limit, &pDest->upper_alarm_limit);
|
|
dbr_ntohd(&pSrc->upper_warning_limit, &pDest->upper_warning_limit);
|
|
dbr_ntohd(&pSrc->lower_alarm_limit, &pDest->lower_alarm_limit);
|
|
dbr_ntohd(&pSrc->lower_warning_limit, &pDest->lower_warning_limit);
|
|
dbr_ntohd(&pSrc->lower_ctrl_limit, &pDest->lower_ctrl_limit);
|
|
dbr_ntohd(&pSrc->upper_ctrl_limit, &pDest->upper_ctrl_limit);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
** cvrt_ctrl_float(s,d)
|
|
**
|
|
** if encode
|
|
** converts struct in HOST format to ieee format
|
|
** else
|
|
** converts fields of struct in NET format to fields with HOST
|
|
** format;
|
|
****************************************************************************/
|
|
|
|
LOCAL void cvrt_ctrl_float(
|
|
void *s, /* source */
|
|
void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
|
|
struct dbr_ctrl_float *pSrc = (struct dbr_ctrl_float *) s;
|
|
struct dbr_ctrl_float *pDest = (struct dbr_ctrl_float *) d;
|
|
|
|
/* these are the same for ieee to vaax or vax to ieee */
|
|
pDest->status = dbr_ntohs(pSrc->status);
|
|
pDest->severity = dbr_ntohs(pSrc->severity);
|
|
pDest->precision = dbr_ntohs(pSrc->precision);
|
|
memcpy(pDest->units,pSrc->units,sizeof(pSrc->units));
|
|
if (encode) /* vax to ieee convert */
|
|
{
|
|
if (num == 1){
|
|
dbr_htonf(&pSrc->value, &pDest->value);
|
|
}
|
|
else {
|
|
cvrt_float(&pSrc->value, &pDest->value, encode, num);
|
|
}
|
|
dbr_htonf(&pSrc->upper_disp_limit,&pDest->upper_disp_limit);
|
|
dbr_htonf(&pSrc->lower_disp_limit, &pDest->lower_disp_limit);
|
|
dbr_htonf(&pSrc->upper_alarm_limit, &pDest->upper_alarm_limit);
|
|
dbr_htonf(&pSrc->upper_warning_limit, &pDest->upper_warning_limit);
|
|
dbr_htonf(&pSrc->lower_alarm_limit, &pDest->lower_alarm_limit);
|
|
dbr_htonf(&pSrc->lower_warning_limit, &pDest->lower_warning_limit);
|
|
dbr_htonf(&pSrc->lower_ctrl_limit, &pDest->lower_ctrl_limit);
|
|
dbr_htonf(&pSrc->upper_ctrl_limit, &pDest->upper_ctrl_limit);
|
|
}
|
|
else /* ieee to vax convert */
|
|
{
|
|
if (num == 1){
|
|
dbr_ntohf(&pSrc->value, &pDest->value);
|
|
}
|
|
else {
|
|
cvrt_float(&pSrc->value, &pDest->value, encode, num);
|
|
}
|
|
dbr_ntohf(&pSrc->lower_disp_limit, &pDest->lower_disp_limit);
|
|
dbr_ntohf(&pSrc->upper_disp_limit, &pDest->upper_disp_limit);
|
|
dbr_ntohf(&pSrc->upper_alarm_limit, &pDest->upper_alarm_limit);
|
|
dbr_ntohf(&pSrc->upper_warning_limit, &pDest->upper_warning_limit);
|
|
dbr_ntohf(&pSrc->lower_alarm_limit, &pDest->lower_alarm_limit);
|
|
dbr_ntohf(&pSrc->lower_warning_limit, &pDest->lower_warning_limit);
|
|
dbr_ntohf(&pSrc->lower_ctrl_limit, &pDest->lower_ctrl_limit);
|
|
dbr_ntohf(&pSrc->upper_ctrl_limit, &pDest->upper_ctrl_limit);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
/****************************************************************************
|
|
** cvrt_ctrl_enum(s,d)
|
|
**
|
|
** if encode
|
|
** converts struct in HOST format to ieee format
|
|
** else
|
|
** converts fields of struct in NET format to fields with HOST
|
|
** format;
|
|
****************************************************************************/
|
|
|
|
LOCAL void cvrt_ctrl_enum(
|
|
void *s, /* source */
|
|
void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
|
|
struct dbr_ctrl_enum *pSrc = (struct dbr_ctrl_enum *) s;
|
|
struct dbr_ctrl_enum *pDest = (struct dbr_ctrl_enum *) d;
|
|
|
|
pDest->status = dbr_ntohs(pSrc->status);
|
|
pDest->severity = dbr_ntohs(pSrc->severity);
|
|
pDest->no_str = dbr_ntohs(pSrc->no_str);
|
|
memcpy((void *)pDest->strs,(void *)pSrc->strs,sizeof(pSrc->strs));
|
|
|
|
if (num == 1) /* single value */
|
|
pDest->value = dbr_ntohs(pSrc->value);
|
|
else /* array chan-- multiple pts */
|
|
{
|
|
cvrt_enum(&(pSrc->value), &(pDest->value), encode, num);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
** cvrt_sts_char(s,d)
|
|
** struct dbr_sts_int *s pointer to source struct
|
|
** struct dbr_sts_int *d pointer to destination struct
|
|
** int encode; boolean, if true vax to ieee
|
|
** else ieee to vax
|
|
**
|
|
** converts fields ofstruct in HOST format to ieee format
|
|
** or
|
|
** converts fields of struct in NET format to fields with HOST
|
|
** format
|
|
****************************************************************************/
|
|
|
|
LOCAL void cvrt_sts_char(
|
|
void *s, /* source */
|
|
void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
|
|
struct dbr_sts_char *pSrc = (struct dbr_sts_char *) s;
|
|
struct dbr_sts_char *pDest = (struct dbr_sts_char *) d;
|
|
|
|
/* convert vax to ieee or ieee to vax format -- same code*/
|
|
pDest->status = dbr_ntohs(pSrc->status);
|
|
pDest->severity = dbr_ntohs(pSrc->severity);
|
|
|
|
if (num == 1) /* single value */
|
|
pDest->value = pSrc->value;
|
|
else /* array chan-- multiple pts */
|
|
{
|
|
memcpy((void *)&pDest->value, (void *)&pSrc->value, num);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
** cvrt_sts_long(s,d)
|
|
**
|
|
** converts fields ofstruct in HOST format to ieee format
|
|
** or
|
|
** converts fields of struct in NET format to fields with HOST
|
|
** format
|
|
****************************************************************************/
|
|
|
|
LOCAL void cvrt_sts_long(
|
|
void *s, /* source */
|
|
void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
|
|
struct dbr_sts_long *pSrc = (struct dbr_sts_long *) s;
|
|
struct dbr_sts_long *pDest = (struct dbr_sts_long *) d;
|
|
|
|
/* convert vax to ieee or ieee to vax format -- same code*/
|
|
pDest->status = dbr_ntohs(pSrc->status);
|
|
pDest->severity = dbr_ntohs(pSrc->severity);
|
|
|
|
if (num == 1) /* single value */
|
|
pDest->value = dbr_ntohl(pSrc->value);
|
|
else /* array chan-- multiple pts */
|
|
{
|
|
cvrt_long(&pDest->value, &pSrc->value, encode, num);
|
|
}
|
|
}
|
|
|
|
|
|
/****************************************************************************
|
|
** cvrt_time_string(s,d)
|
|
**
|
|
** converts fields of struct in HOST format to NET format
|
|
** or
|
|
** converts fields of struct in NET format to fields with HOST
|
|
** format;
|
|
****************************************************************************/
|
|
|
|
LOCAL void cvrt_time_string(
|
|
void *s, /* source */
|
|
void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
|
|
struct dbr_time_string *pSrc = (struct dbr_time_string *) s;
|
|
struct dbr_time_string *pDest = (struct dbr_time_string *) d;
|
|
|
|
/* convert ieee to vax format or vax to ieee */
|
|
pDest->status = dbr_ntohs(pSrc->status);
|
|
pDest->severity = dbr_ntohs(pSrc->severity);
|
|
pDest->stamp.secPastEpoch = dbr_ntohl(pSrc->stamp.secPastEpoch);
|
|
pDest->stamp.nsec = dbr_ntohl(pSrc->stamp.nsec);
|
|
|
|
if (num == 1) /* if single value */
|
|
strcpy(pDest->value, pSrc->value);
|
|
else
|
|
memcpy(pDest->value, pSrc->value, (MAX_STRING_SIZE * num));
|
|
|
|
}
|
|
|
|
/****************************************************************************
|
|
** cvrt_time_short(s,d)
|
|
**
|
|
** converts fields ofstruct in HOST format to ieee format
|
|
** or
|
|
** converts fields of struct in NET format to fields with HOST
|
|
** format
|
|
****************************************************************************/
|
|
|
|
LOCAL void cvrt_time_short(
|
|
void *s, /* source */
|
|
void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
|
|
struct dbr_time_short *pSrc = (struct dbr_time_short *) s;
|
|
struct dbr_time_short *pDest = (struct dbr_time_short *) d;
|
|
|
|
/* convert vax to ieee or ieee to vax format -- same code*/
|
|
pDest->status = dbr_ntohs(pSrc->status);
|
|
pDest->severity = dbr_ntohs(pSrc->severity);
|
|
pDest->stamp.secPastEpoch = dbr_ntohl(pSrc->stamp.secPastEpoch);
|
|
pDest->stamp.nsec = dbr_ntohl(pSrc->stamp.nsec);
|
|
|
|
if (num == 1) /* single value */
|
|
pDest->value = dbr_ntohs(pSrc->value);
|
|
else /* array chan-- multiple pts */
|
|
{
|
|
cvrt_short(&pSrc->value, &pDest->value, encode, num);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
** cvrt_time_float(s,d)
|
|
**
|
|
** if encode
|
|
** converts struct in HOST format to ieee format
|
|
** else
|
|
** converts fields of struct in NET format to fields with HOST
|
|
** format;
|
|
****************************************************************************/
|
|
|
|
LOCAL void cvrt_time_float(
|
|
void *s, /* source */
|
|
void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
|
|
struct dbr_time_float *pSrc = (struct dbr_time_float *) s;
|
|
struct dbr_time_float *pDest = (struct dbr_time_float *) d;
|
|
|
|
pDest->status = dbr_ntohs(pSrc->status);
|
|
pDest->severity = dbr_ntohs(pSrc->severity);
|
|
pDest->stamp.secPastEpoch = dbr_ntohl(pSrc->stamp.secPastEpoch);
|
|
pDest->stamp.nsec = dbr_ntohl(pSrc->stamp.nsec);
|
|
|
|
cvrt_float(&pSrc->value, &pDest->value, encode, num);
|
|
}
|
|
|
|
/****************************************************************************
|
|
** cvrt_time_double(s,d)
|
|
**
|
|
** if encode
|
|
** converts struct in HOST format to ieee format
|
|
** else
|
|
** converts fields of struct in NET format to fields with HOST
|
|
** format;
|
|
****************************************************************************/
|
|
|
|
LOCAL void cvrt_time_double(
|
|
void *s, /* source */
|
|
void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
|
|
struct dbr_time_double *pSrc = (struct dbr_time_double *) s;
|
|
struct dbr_time_double *pDest = (struct dbr_time_double *) d;
|
|
|
|
pDest->status = dbr_ntohs(pSrc->status);
|
|
pDest->severity = dbr_ntohs(pSrc->severity);
|
|
pDest->stamp.secPastEpoch = dbr_ntohl(pSrc->stamp.secPastEpoch);
|
|
pDest->stamp.nsec = dbr_ntohl(pSrc->stamp.nsec);
|
|
|
|
cvrt_double(&pSrc->value, &pDest->value, encode, num);
|
|
}
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
** cvrt_time_enum(s,d)
|
|
**
|
|
** converts fields of struct in NET format to fields with HOST format
|
|
** or
|
|
** converts fields of struct in HOST format to fields with NET format
|
|
**
|
|
****************************************************************************/
|
|
|
|
LOCAL void cvrt_time_enum(
|
|
void *s, /* source */
|
|
void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
|
|
struct dbr_time_enum *pSrc = (struct dbr_time_enum *) s;
|
|
struct dbr_time_enum *pDest = (struct dbr_time_enum *) d;
|
|
|
|
pDest->status = dbr_ntohs(pSrc->status);
|
|
pDest->severity = dbr_ntohs(pSrc->severity);
|
|
pDest->stamp.secPastEpoch = dbr_ntohl(pSrc->stamp.secPastEpoch);
|
|
pDest->stamp.nsec = dbr_ntohl(pSrc->stamp.nsec);
|
|
if (num == 1)
|
|
pDest->value = dbr_ntohs(pSrc->value);
|
|
else {
|
|
cvrt_enum(&pSrc->value,&pDest->value,encode,num);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
** cvrt_sts_char(s,d)
|
|
**
|
|
** converts fields ofstruct in HOST format to ieee format
|
|
** or
|
|
** converts fields of struct in NET format to fields with HOST
|
|
** format
|
|
****************************************************************************/
|
|
|
|
LOCAL void cvrt_time_char(
|
|
void *s, /* source */
|
|
void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
|
|
struct dbr_time_char *pSrc = (struct dbr_time_char *) s;
|
|
struct dbr_time_char *pDest = (struct dbr_time_char *) d;
|
|
|
|
/* convert vax to ieee or ieee to vax format -- same code*/
|
|
pDest->status = dbr_ntohs(pSrc->status);
|
|
pDest->severity = dbr_ntohs(pSrc->severity);
|
|
pDest->stamp.secPastEpoch = dbr_ntohl(pSrc->stamp.secPastEpoch);
|
|
pDest->stamp.nsec = dbr_ntohl(pSrc->stamp.nsec);
|
|
|
|
if (num == 1) /* single value */
|
|
pDest->value = pSrc->value;
|
|
else /* array chan-- multiple pts */
|
|
{
|
|
memcpy((void *)&pDest->value, (void *)&pSrc->value, num);
|
|
}
|
|
}
|
|
/****************************************************************************
|
|
** cvrt_time_long(s,d)
|
|
**
|
|
** converts fields ofstruct in HOST format to ieee format
|
|
** or
|
|
** converts fields of struct in NET format to fields with HOST
|
|
** format
|
|
****************************************************************************/
|
|
|
|
LOCAL void cvrt_time_long(
|
|
void *s, /* source */
|
|
void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
|
|
struct dbr_time_long *pSrc = (struct dbr_time_long *) s;
|
|
struct dbr_time_long *pDest = (struct dbr_time_long *) d;
|
|
|
|
/* convert vax to ieee or ieee to vax format -- same code*/
|
|
pDest->status = dbr_ntohs(pSrc->status);
|
|
pDest->severity = dbr_ntohs(pSrc->severity);
|
|
pDest->stamp.secPastEpoch = dbr_ntohl(pSrc->stamp.secPastEpoch);
|
|
pDest->stamp.nsec = dbr_ntohl(pSrc->stamp.nsec);
|
|
|
|
if (num == 1) /* single value */
|
|
pDest->value = dbr_ntohl(pSrc->value);
|
|
else /* array chan-- multiple pts */
|
|
{
|
|
cvrt_long(&pDest->value, &pSrc->value, encode, num);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* cvrt_put_ackt()
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*/
|
|
LOCAL void cvrt_put_ackt(
|
|
void *s, /* source */
|
|
void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
|
|
dbr_put_ackt_t *pSrc = (dbr_put_ackt_t *) s;
|
|
dbr_put_ackt_t *pDest = (dbr_put_ackt_t *) d;
|
|
unsigned long i;
|
|
|
|
for(i=0; i<num; i++){
|
|
*pDest = dbr_ntohs( *pSrc );
|
|
/*
|
|
* dont increment these inside the MACRO
|
|
*/
|
|
pDest++;
|
|
pSrc++;
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
** cvrt_stsack_string(s,d)
|
|
** struct dbr_stsack_string *s pointer to source struct
|
|
** struct dbr_stsack_string *d pointer to destination struct
|
|
** int encode; boolean, if true vax to ieee
|
|
** else ieee to vax
|
|
**
|
|
** converts fields of struct in HOST format to NET format
|
|
** or
|
|
** converts fields of struct in NET format to fields with HOST
|
|
** format;
|
|
****************************************************************************/
|
|
|
|
LOCAL void cvrt_stsack_string(
|
|
void *s, /* source */
|
|
void *d, /* destination */
|
|
int encode, /* cvrt HOST to NET if T */
|
|
unsigned long num /* number of values */
|
|
)
|
|
{
|
|
struct dbr_stsack_string *pSrc = (struct dbr_stsack_string *) s;
|
|
struct dbr_stsack_string *pDest = (struct dbr_stsack_string *) d;
|
|
|
|
/* convert ieee to vax format or vax to ieee */
|
|
pDest->status = dbr_ntohs(pSrc->status);
|
|
pDest->severity = dbr_ntohs(pSrc->severity);
|
|
pDest->ackt = dbr_ntohs(pSrc->ackt);
|
|
pDest->acks = dbr_ntohs(pSrc->acks);
|
|
|
|
/* convert "in place" -> nothing else to do */
|
|
if (s == d)
|
|
return;
|
|
|
|
if (num == 1) /* if single value */
|
|
strcpy(pDest->value, pSrc->value);
|
|
else
|
|
memcpy(pDest->value, pSrc->value, (MAX_STRING_SIZE * num));
|
|
|
|
}
|
|
|
|
#if defined(CA_FLOAT_MIT)
|
|
/************************************************************************/
|
|
/* double convert */
|
|
/* (THIS ASSUMES IEEE IS THE NETWORK FLOATING POINT FORMAT) */
|
|
/************************************************************************/
|
|
|
|
/* (this includes mapping of fringe reals to zero or infinity) */
|
|
/* (byte swaps included in conversion */
|
|
|
|
struct ieeedbl {
|
|
unsigned int mant2 : 32;
|
|
unsigned int mant1 : 20;
|
|
unsigned int exp : 11;
|
|
unsigned int sign : 1;
|
|
};
|
|
|
|
#define IEEE_DBL_SB 1023
|
|
|
|
/* Conversion Range */
|
|
/* -1022<exp<1024 with mantissa of form 1.mant */
|
|
#define DBLEXPMINIEEE -1022 /* min for norm # IEEE exponent */
|
|
|
|
struct mitdbl {
|
|
unsigned int mant1 : 7;
|
|
unsigned int exp : 8;
|
|
unsigned int sign : 1;
|
|
unsigned int mant2 : 16;
|
|
unsigned int mant3 : 16;
|
|
unsigned int mant4 : 16;
|
|
};
|
|
|
|
/* Exponent sign bias */
|
|
#define MIT_DBL_SB 129
|
|
|
|
/* Conversion Ranges */
|
|
/* -128<exp<126 with mantissa of form 1.mant */
|
|
#define DBLEXPMAXMIT 126 /* max MIT exponent */
|
|
#define DBLEXPMINMIT -128 /* min MIT exponent */
|
|
|
|
/*
|
|
* Converts VMS D or G floating point to IEEE double precision
|
|
* (D floating is the VAX C default, G floating is the Alpha C default)
|
|
*/
|
|
void dbr_htond(dbr_double_t *pHost, dbr_double_t *pNet)
|
|
{
|
|
#if defined(VMS)
|
|
# if defined(__G_FLOAT) && (__G_FLOAT == 1)
|
|
cvt$convert_float(pHost, CVT$K_VAX_G ,
|
|
pNet , CVT$K_IEEE_T,
|
|
CVT$M_BIG_ENDIAN);
|
|
# else
|
|
cvt$convert_float(pHost, CVT$K_VAX_D ,
|
|
pNet , CVT$K_IEEE_T,
|
|
CVT$M_BIG_ENDIAN);
|
|
# endif
|
|
#else
|
|
dbr_double_t copyin;
|
|
struct mitdbl *pMIT;
|
|
struct ieeedbl *pIEEE;
|
|
ca_uint32_t *ptmp;
|
|
ca_uint32_t tmp;
|
|
|
|
/*
|
|
* Use internal buffer so the src and dest ptr
|
|
* can be identical
|
|
*/
|
|
copyin = *pHost;
|
|
pMIT = (struct mitdbl *) ©in;
|
|
pIEEE = (struct ieeedbl *) pNet;
|
|
|
|
if( ((int)pMIT->exp) < (DBLEXPMINMIT+MIT_DBL_SB) ){
|
|
pIEEE->mant1 = 0;
|
|
pIEEE->mant2 = 0;
|
|
pIEEE->exp = 0;
|
|
pIEEE->sign = 0;
|
|
}
|
|
else{
|
|
pIEEE->exp = ((int)pMIT->exp)+(IEEE_DBL_SB-MIT_DBL_SB);
|
|
pIEEE->mant1 = (pMIT->mant1<<13) | (pMIT->mant2>>3);
|
|
pIEEE->mant2 = (pMIT->mant2<<29) | (pMIT->mant3<<13) |
|
|
(pMIT->mant4>>3);
|
|
pIEEE->sign = pMIT->sign;
|
|
}
|
|
|
|
/*
|
|
* byte swap to net order
|
|
*/
|
|
ptmp = (ca_uint32_t *) pNet;
|
|
tmp = dbr_htonl(ptmp[0]);
|
|
ptmp[0] = dbr_htonl(ptmp[1]);
|
|
ptmp[1] = tmp;
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Converts IEEE double precision to VMS D or G floating point
|
|
* (D floating is the VAX C default, G floating is the Alpha C default)
|
|
*
|
|
* sign must be forced to zero if the exponent is zero to prevent a reserved
|
|
* operand fault- joh 9-13-90
|
|
*/
|
|
void dbr_ntohd(dbr_double_t *pNet, dbr_double_t *pHost)
|
|
{
|
|
#if defined(VMS)
|
|
# if defined(__G_FLOAT) && (__G_FLOAT == 1)
|
|
cvt$convert_float(pNet , CVT$K_IEEE_T,
|
|
pHost, CVT$K_VAX_G ,
|
|
CVT$M_BIG_ENDIAN);
|
|
# else
|
|
cvt$convert_float(pNet , CVT$K_IEEE_T,
|
|
pHost, CVT$K_VAX_D ,
|
|
CVT$M_BIG_ENDIAN);
|
|
# endif
|
|
#else
|
|
struct ieeedbl copyin;
|
|
struct mitdbl *pMIT;
|
|
struct ieeedbl *pIEEE;
|
|
ca_uint32_t *ptmp;
|
|
ca_uint32_t tmp;
|
|
|
|
pIEEE = (struct ieeedbl *)pNet;
|
|
pMIT = (struct mitdbl *)pHost;
|
|
|
|
/*
|
|
* Use internal buffer so the src and dest ptr
|
|
* can be identical
|
|
*/
|
|
copyin = *pIEEE;
|
|
pIEEE = ©in;
|
|
|
|
/*
|
|
* Byte swap from net order to host order
|
|
*/
|
|
ptmp = (ca_uint32_t *) pIEEE;
|
|
tmp = dbr_htonl(ptmp[0]);
|
|
ptmp[0] = dbr_htonl(ptmp[1]);
|
|
ptmp[1] = tmp;
|
|
|
|
if( ((int)pIEEE->exp) > (DBLEXPMAXMIT + IEEE_DBL_SB) ){
|
|
pMIT->sign = pIEEE->sign;
|
|
pMIT->exp = DBLEXPMAXMIT + MIT_DBL_SB;
|
|
pMIT->mant1 = ~0;
|
|
pMIT->mant2 = ~0;
|
|
pMIT->mant3 = ~0;
|
|
pMIT->mant4 = ~0;
|
|
}
|
|
else if( ((int)pIEEE->exp) < (DBLEXPMINMIT + IEEE_DBL_SB) ){
|
|
pMIT->sign = 0;
|
|
pMIT->exp = 0;
|
|
pMIT->mant1 = 0;
|
|
pMIT->mant2 = 0;
|
|
pMIT->mant3 = 0;
|
|
pMIT->mant4 = 0;
|
|
}
|
|
else{
|
|
pMIT->sign = pIEEE->sign;
|
|
pMIT->exp = ((int)pIEEE->exp)+(MIT_DBL_SB-IEEE_DBL_SB);
|
|
pMIT->mant1 = pIEEE->mant1>>13;
|
|
pMIT->mant2 = (pIEEE->mant1<<3) | (pIEEE->mant2>>29);
|
|
pMIT->mant3 = pIEEE->mant2>>13;
|
|
pMIT->mant4 = pIEEE->mant2<<3;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* (THIS ASSUMES IEEE IS THE NETWORK FLOATING POINT FORMAT) */
|
|
/************************************************************************/
|
|
|
|
struct ieeeflt{
|
|
unsigned mant :23;
|
|
unsigned exp :8;
|
|
unsigned sign :1;
|
|
};
|
|
|
|
/* Exponent sign bias */
|
|
#define IEEE_SB 127
|
|
|
|
/* Conversion Range */
|
|
/* -126<exp<127 with mantissa of form 1.mant */
|
|
#define EXPMINIEEE -126 /* min for norm # IEEE exponent */
|
|
|
|
|
|
struct mitflt{
|
|
unsigned mant1 :7;
|
|
unsigned exp :8;
|
|
unsigned sign :1;
|
|
unsigned mant2 :16;
|
|
};
|
|
|
|
/* Exponent sign bias */
|
|
# define MIT_SB 129
|
|
|
|
/* Conversion Ranges */
|
|
/* -128<exp<126 with mantissa of form 1.mant */
|
|
# define EXPMAXMIT 126 /* max MIT exponent */
|
|
# define EXPMINMIT -128 /* min MIT exponent */
|
|
|
|
/*
|
|
* (this includes mapping of fringe reals to zero or infinity)
|
|
* (byte swaps included in conversion
|
|
*
|
|
* Uses internal buffer so the src and dest ptr
|
|
* can be identical
|
|
*/
|
|
void dbr_htonf(dbr_float_t *pHost, dbr_float_t *pNet)
|
|
{
|
|
#if defined(VMS)
|
|
cvt$convert_float(pHost, CVT$K_VAX_F ,
|
|
pNet , CVT$K_IEEE_S,
|
|
CVT$M_BIG_ENDIAN);
|
|
#else
|
|
struct mitflt *pMIT = (struct mitflt *) pHost;
|
|
struct ieeeflt *pIEEE = (struct ieeeflt *) pNet;
|
|
long exp,mant,sign;
|
|
|
|
sign = pMIT->sign;
|
|
|
|
if( ((int)pMIT->exp) < EXPMINIEEE + MIT_SB){
|
|
exp = 0;
|
|
mant = 0;
|
|
sign = 0;
|
|
}
|
|
else{
|
|
exp = ((int)pMIT->exp)-MIT_SB+IEEE_SB;
|
|
mant = (pMIT->mant1<<16) | pMIT->mant2;
|
|
}
|
|
pIEEE->mant = mant;
|
|
pIEEE->exp = exp;
|
|
pIEEE->sign = sign;
|
|
*(ca_uint32_t *)pIEEE = dbr_htonl(*(ca_uint32_t *)pIEEE);
|
|
#endif
|
|
}
|
|
|
|
|
|
/*
|
|
* sign must be forced to zero if the exponent is zero to prevent a reserved
|
|
* operand fault- joh 9-13-90
|
|
*
|
|
* Uses internal buffer so the src and dest ptr
|
|
* can be identical
|
|
*/
|
|
void dbr_ntohf(dbr_float_t *pNet, dbr_float_t *pHost)
|
|
{
|
|
#if defined(VMS)
|
|
cvt$convert_float(pNet , CVT$K_IEEE_S,
|
|
pHost, CVT$K_VAX_F ,
|
|
CVT$M_BIG_ENDIAN);
|
|
#else
|
|
struct mitflt *pMIT = (struct mitflt *) pHost;
|
|
struct ieeeflt *pIEEE = (struct ieeeflt *) pNet;
|
|
long exp,mant2,mant1,sign;
|
|
|
|
*(ca_uint32_t *)pIEEE = dbr_ntohl(*(ca_uint32_t *)pIEEE);
|
|
if( ((int)pIEEE->exp) > EXPMAXMIT + IEEE_SB){
|
|
sign = pIEEE->sign;
|
|
exp = EXPMAXMIT + MIT_SB;
|
|
mant2 = ~0;
|
|
mant1 = ~0;
|
|
}
|
|
else if( pIEEE->exp == 0){
|
|
sign = 0;
|
|
exp = 0;
|
|
mant2 = 0;
|
|
mant1 = 0;
|
|
}
|
|
else{
|
|
sign = pIEEE->sign;
|
|
exp = pIEEE->exp+MIT_SB-IEEE_SB;
|
|
mant2 = pIEEE->mant;
|
|
mant1 = pIEEE->mant>>(unsigned)16;
|
|
}
|
|
pMIT->exp = exp;
|
|
pMIT->mant2 = mant2;
|
|
pMIT->mant1 = mant1;
|
|
pMIT->sign = sign;
|
|
#endif
|
|
}
|
|
|
|
|
|
#endif /*CA_FLOAT_MIT*/
|
|
|
|
#if defined(CA_FLOAT_IEEE)
|
|
|
|
/*
|
|
* dbr_htond ()
|
|
* performs only byte swapping
|
|
*/
|
|
void dbr_htond (dbr_double_t *IEEEhost, dbr_double_t *IEEEnet)
|
|
{
|
|
#ifdef CA_LITTLE_ENDIAN
|
|
ca_uint32_t *pHost = (ca_uint32_t *) IEEEhost;
|
|
ca_uint32_t *pNet = (ca_uint32_t *) IEEEnet;
|
|
ca_uint32_t tmp;
|
|
|
|
/*
|
|
* byte swap to net order
|
|
* (assume that src and dest ptrs
|
|
* may be identical)
|
|
*/
|
|
tmp = pHost[0];
|
|
pNet[0] = dbr_htonl (pHost[1]);
|
|
pNet[1] = dbr_htonl (tmp);
|
|
#else
|
|
*IEEEnet = *IEEEhost;
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* dbr_ntohd ()
|
|
* performs only byte swapping
|
|
*/
|
|
void dbr_ntohd (dbr_double_t *IEEEnet, dbr_double_t *IEEEhost)
|
|
{
|
|
#ifdef CA_LITTLE_ENDIAN
|
|
ca_uint32_t *pHost = (ca_uint32_t *) IEEEhost;
|
|
ca_uint32_t *pNet = (ca_uint32_t *) IEEEnet;
|
|
ca_uint32_t tmp;
|
|
|
|
/*
|
|
* byte swap to net order
|
|
* (assume that src and dest ptrs
|
|
* may be identical)
|
|
*/
|
|
tmp = pNet[0];
|
|
pHost[0] = dbr_ntohl (pNet[1]);
|
|
pHost[1] = dbr_ntohl (tmp);
|
|
#else
|
|
*IEEEhost = *IEEEnet;
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* dbr_ntohf ()
|
|
* performs only byte swapping
|
|
*/
|
|
void dbr_ntohf (dbr_float_t *IEEEnet, dbr_float_t *IEEEhost)
|
|
{
|
|
ca_uint32_t *pHost = (ca_uint32_t *) IEEEhost;
|
|
ca_uint32_t *pNet = (ca_uint32_t *) IEEEnet;
|
|
|
|
*pHost = dbr_ntohl (*pNet);
|
|
}
|
|
|
|
/*
|
|
* dbr_htonf ()
|
|
* performs only byte swapping
|
|
*/
|
|
void dbr_htonf (dbr_float_t *IEEEhost, dbr_float_t *IEEEnet)
|
|
{
|
|
ca_uint32_t *pHost = (ca_uint32_t *) IEEEhost;
|
|
ca_uint32_t *pNet = (ca_uint32_t *) IEEEnet;
|
|
|
|
*pNet = dbr_htonl (*pHost);
|
|
}
|
|
|
|
#endif /* IEEE float and little endian */
|
|
|
|
|
|
#endif /* CONVERSION_REQUIRED */
|
|
|