a25439b686
Reviewed by: delphij (suggested MFC) Approved by: roberto Security: CVE-2015-1798, CVE-2015-1799 Security: VuXML ebd84c96-dd7e-11e4-854e-3c970e169bc2 MFC after: 1 month
285 lines
6.9 KiB
C
285 lines
6.9 KiB
C
/*
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* /src/NTP/ntp4-dev/libparse/clk_hopf6021.c,v 4.10 2004/11/14 15:29:41 kardel RELEASE_20050508_A
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*
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* clk_hopf6021.c,v 4.10 2004/11/14 15:29:41 kardel RELEASE_20050508_A
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*
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* Radiocode Clocks HOPF Funkuhr 6021 mit serieller Schnittstelle
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* base code version from 24th Nov 1995 - history at end
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*
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* Created by F.Schnekenbuehl <frank@comsys.dofn.de> from clk_rcc8000.c
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* Nortel DASA Network Systems GmbH, Department: ND250
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* A Joint venture of Daimler-Benz Aerospace and Nortel
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#if defined(REFCLOCK) && defined(CLOCK_PARSE) && defined(CLOCK_HOPF6021)
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#include "ntp_fp.h"
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#include "ntp_unixtime.h"
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#include "ntp_calendar.h"
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#include "ascii.h"
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#include "parse.h"
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#ifndef PARSESTREAM
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#include "ntp_stdlib.h"
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#include <stdio.h>
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#else
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#include "sys/parsestreams.h"
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extern int printf (const char *, ...);
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#endif
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/*
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* hopf Funkuhr 6021
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* used with 9600,8N1,
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* UTC ueber serielle Schnittstelle
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* Sekundenvorlauf ON
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* ETX zum Sekundenvorlauf ON
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* Datenstring 6021
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* Ausgabe Uhrzeit und Datum
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* Senden mit Steuerzeichen
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* Senden sekuendlich
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*/
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/*
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* Type 6021 Serial Output format
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*
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* 000000000011111111 / char
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* 012345678901234567 \ position
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* sABHHMMSSDDMMYYnre Actual
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* C4110046231195 Parse
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* s enr Check
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*
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* s = STX (0x02), e = ETX (0x03)
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* n = NL (0x0A), r = CR (0x0D)
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*
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* A B - Status and weekday
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*
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* A - Status
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*
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* 8 4 2 1
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* x x x 0 - no announcement
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* x x x 1 - Summertime - wintertime - summertime announcement
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* x x 0 x - Wintertime
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* x x 1 x - Summertime
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* 0 0 x x - Time/Date invalid
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* 0 1 x x - Internal clock used
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* 1 0 x x - Radio clock
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* 1 1 x x - Radio clock highprecision
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*
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* B - 8 4 2 1
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* 0 x x x - MESZ/MEZ
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* 1 x x x - UTC
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* x 0 0 1 - Monday
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* x 0 1 0 - Tuesday
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* x 0 1 1 - Wednesday
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* x 1 0 0 - Thursday
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* x 1 0 1 - Friday
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* x 1 1 0 - Saturday
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* x 1 1 1 - Sunday
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*/
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#define HOPF_DSTWARN 0x01 /* DST switch warning */
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#define HOPF_DST 0x02 /* DST in effect */
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#define HOPF_MODE 0x0C /* operation mode mask */
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#define HOPF_INVALID 0x00 /* no time code available */
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#define HOPF_INTERNAL 0x04 /* internal clock */
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#define HOPF_RADIO 0x08 /* radio clock */
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#define HOPF_RADIOHP 0x0C /* high precision radio clock */
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#define HOPF_UTC 0x08 /* time code in UTC */
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#define HOPF_WMASK 0x07 /* mask for weekday code */
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static struct format hopf6021_fmt =
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{
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{
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{ 9, 2 }, {11, 2}, { 13, 2}, /* Day, Month, Year */
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{ 3, 2 }, { 5, 2}, { 7, 2}, /* Hour, Minute, Second */
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{ 2, 1 }, { 1, 1}, { 0, 0}, /* Weekday, Flags, Zone */
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/* ... */
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},
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(const unsigned char *)"\002 \n\r\003",
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0
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};
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#define OFFS(x) format->field_offsets[(x)].offset
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#define STOI(x, y) Stoi(&buffer[OFFS(x)], y, format->field_offsets[(x)].length)
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#define hexval(x) (('0' <= (x) && (x) <= '9') ? (x) - '0' : \
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('a' <= (x) && (x) <= 'f') ? (x) - 'a' + 10 : \
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('A' <= (x) && (x) <= 'F') ? (x) - 'A' + 10 : \
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-1)
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static parse_cvt_fnc_t cvt_hopf6021;
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static parse_inp_fnc_t inp_hopf6021;
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clockformat_t clock_hopf6021 =
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{
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inp_hopf6021, /* HOPF 6021 input handling */
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cvt_hopf6021, /* Radiocode clock conversion */
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0, /* no direct PPS monitoring */
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(void *)&hopf6021_fmt, /* conversion configuration */
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"hopf Funkuhr 6021", /* clock format name */
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19, /* string buffer */
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0 /* private data length, no private data */
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};
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/* parse_cvt_fnc_t cvt_hopf6021 */
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static u_long
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cvt_hopf6021(
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unsigned char *buffer,
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int size,
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struct format *format,
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clocktime_t *clock_time,
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void *local
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)
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{
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unsigned char status,weekday;
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if (!Strok(buffer, format->fixed_string))
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{
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return CVT_NONE;
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}
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if ( STOI(O_DAY, &clock_time->day) ||
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STOI(O_MONTH, &clock_time->month) ||
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STOI(O_YEAR, &clock_time->year) ||
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STOI(O_HOUR, &clock_time->hour) ||
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STOI(O_MIN, &clock_time->minute) ||
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STOI(O_SEC, &clock_time->second)
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)
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{
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return CVT_FAIL|CVT_BADFMT;
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}
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clock_time->usecond = 0;
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clock_time->utcoffset = 0;
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status = (u_char) hexval(buffer[OFFS(O_FLAGS)]);
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weekday= (u_char) hexval(buffer[OFFS(O_WDAY)]);
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if ((status == 0xFF) || (weekday == 0xFF))
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{
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return CVT_FAIL|CVT_BADFMT;
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}
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clock_time->flags = 0;
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if (weekday & HOPF_UTC)
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{
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clock_time->flags |= PARSEB_UTC;
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}
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else
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{
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if (status & HOPF_DST)
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{
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clock_time->flags |= PARSEB_DST;
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clock_time->utcoffset = -2*60*60; /* MET DST */
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}
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else
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{
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clock_time->utcoffset = -1*60*60; /* MET */
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}
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}
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clock_time->flags |= (status & HOPF_DSTWARN) ? PARSEB_ANNOUNCE : 0;
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switch (status & HOPF_MODE)
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{
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case HOPF_INVALID: /* Time/Date invalid */
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clock_time->flags |= PARSEB_POWERUP;
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break;
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case HOPF_INTERNAL: /* internal clock */
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clock_time->flags |= PARSEB_NOSYNC;
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break;
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case HOPF_RADIO: /* Radio clock */
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case HOPF_RADIOHP: /* Radio clock high precision */
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break;
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default:
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return CVT_FAIL|CVT_BADFMT;
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}
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return CVT_OK;
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}
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/*
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* parse_inp_fnc_t inp_hopf6021
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*
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* grab data from input stream
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*/
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static u_long
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inp_hopf6021(
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parse_t *parseio,
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char ch,
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timestamp_t *tstamp
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)
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{
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unsigned int rtc;
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parseprintf(DD_PARSE, ("inp_hopf6021(0x%lx, 0x%x, ...)\n", (long)parseio, ch));
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switch (ch)
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{
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case ETX:
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parseprintf(DD_PARSE, ("inp_hopf6021: EOL seen\n"));
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parseio->parse_dtime.parse_stime = *tstamp; /* collect timestamp */
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if ((rtc = parse_addchar(parseio, ch)) == PARSE_INP_SKIP)
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return parse_end(parseio);
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else
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return rtc;
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default:
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return parse_addchar(parseio, ch);
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}
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}
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#else /* not (REFCLOCK && CLOCK_PARSE && CLOCK_HOPF6021) */
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int clk_hopf6021_bs;
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#endif /* not (REFCLOCK && CLOCK_PARSE && CLOCK_HOPF6021) */
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/*
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* History:
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*
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* clk_hopf6021.c,v
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* Revision 4.10 2004/11/14 15:29:41 kardel
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* support PPSAPI, upgrade Copyright to Berkeley style
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*
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* Revision 4.7 1999/11/28 09:13:49 kardel
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* RECON_4_0_98F
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*
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* Revision 4.6 1998/11/15 20:27:57 kardel
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* Release 4.0.73e13 reconcilation
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*
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* Revision 4.5 1998/06/14 21:09:35 kardel
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* Sun acc cleanup
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*
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* Revision 4.4 1998/06/13 12:02:38 kardel
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* fix SYSV clock name clash
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*
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* Revision 4.3 1998/06/12 15:22:27 kardel
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* fix prototypes
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*
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* Revision 4.2 1998/06/12 09:13:25 kardel
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* conditional compile macros fixed
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* printf prototype
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*
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* Revision 4.1 1998/05/24 09:39:52 kardel
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* implementation of the new IO handling model
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*
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* Revision 4.0 1998/04/10 19:45:29 kardel
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* Start 4.0 release version numbering
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*
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* from V3 3.6 log info deleted 1998/04/11 kardel
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*/
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