REAL64 util_attodt(CHAR *string)
{
CHAR copy[COPYBUFLEN];
CHAR *token[6];
INT16 errors, ntoken, yr, da, hr, mn, sc, ms;
/* Check for special case ("present") */
if (strcasecmp(string, "present") == 0) return (double) 2147483647;
/* Parse (copy of) string */
memcpy((void *) copy, (void *) string, (size_t) COPYBUFLEN-1);
copy[COPYBUFLEN] = 0;
ntoken = util_parse(copy, token, "-/.:(),;", 6, 0);
yr = hr = mn = sc = ms = 0; da = 1;
/* Decode the various pieces */
switch (ntoken) {
case 6:
ms = (INT16) atoi(token[5]);
case 5:
sc = (INT16) atoi(token[4]);
case 4:
mn = (INT16) atoi(token[3]);
case 3:
hr = (INT16) atoi(token[2]);
case 2:
da = (INT16) atoi(token[1]);
case 1:
yr = (INT16) atoi(token[0]) + ((strlen(token[0]) == 2) ? 1900 : 0);
break;
default:
errno = EINVAL;
return -1.0;
}
errors = 0;
if (yr < 1970) ++errors;
if (da < 1 || da > 366) ++errors;
if (hr < 0 || hr > 23) ++errors;
if (mn < 0 || mn > 59) ++errors;
if (sc < 0 || sc > 59) ++errors;
if (ms < 0 || ms > 999) ++errors;
if (errors) {
errno = EINVAL;
return -2.0;
}
return util_ydhmsmtod(yr, da, hr, mn, sc, ms);
}
VOID reftek_com(
UINT8 *src, UINT16 *exp, UINT16 *unit, UINT16 *seqno, REAL64 *tstamp
) {
UINT16 yr, da, hr, mn, sc, ms, stmp;
yr = (UINT16) utilBcdToUint32(src + YEAR_OFF, 2, 0);
yr += (yr < 88) ? 2000 : 1900; /* WARNING: fix this before 2099! */
da = (UINT16) utilBcdToUint32(src + TIME_OFF, 3, 0);
hr = (UINT16) utilBcdToUint32(src + TIME_OFF+1, 2, 1);
mn = (UINT16) utilBcdToUint32(src + TIME_OFF+2, 2, 1);
sc = (UINT16) utilBcdToUint32(src + TIME_OFF+3, 2, 1);
ms = (UINT16) utilBcdToUint32(src + TIME_OFF+4, 3, 1);
*exp = (UINT16) utilBcdToUint32(src + EXPN_OFF, 2, 0);
memcpy(&stmp, src + UNIT_OFF, 2);
*unit = (UINT16) ntohs(stmp);
*seqno = (UINT16) utilBcdToUint32(src + SEQN_OFF, 4, 0);
*tstamp = util_ydhmsmtod(yr, da, hr, mn, sc, ms);
}
BOOL reftek_eh(struct reftek_eh *dest, UINT8 *src)
{
UINT16 srate, yr, da, hr, mn, sc, ms;
/* Load the common header */
reftek_com(src, &dest->exp, &dest->unit, &dest->seqno, &dest->tstamp);
/* Load the record specific parts */
dest->evtno = (UINT16) utilBcdToUint32(src + EVTN_OFF, 4, 0);
dest->stream = (UINT16) utilBcdToUint32(src + STRM_OFF, 2, 0);
switch (utilBcdToUint32(src + FRMT_OFF, 2, 0)) {
case 16:
dest->format = REFTEK_F16;
break;
case 32:
dest->format = REFTEK_F32;
break;
case 120:
dest->format = REFTEK_FC0;
break;
default:
errno = EINVAL;
return FALSE;
}
sscanf((char *) (src + SINT_OFF), "%hd", &srate);
dest->sint = (REAL32) 1.0 / (REAL32) srate;
if (memcmp(src + TTYP_OFF, "CON", 3) == 0) {
dest->trgtype = REFTEK_TRGCON;
} else if (memcmp(src + TTYP_OFF, "CRS", 3) == 0) {
dest->trgtype = REFTEK_TRGCRS;
} else if (memcmp(src + TTYP_OFF, "EVT", 3) == 0) {
dest->trgtype = REFTEK_TRGEVT;
} else if (memcmp(src + TTYP_OFF, "EXT", 3) == 0) {
dest->trgtype = REFTEK_TRGEXT;
} else if (memcmp(src + TTYP_OFF, "LVL", 3) == 0) {
dest->trgtype = REFTEK_TRGLVL;
} else if (memcmp(src + TTYP_OFF, "RAD", 3) == 0) {
dest->trgtype = REFTEK_TRGRAD;
} else if (memcmp(src + TTYP_OFF, "TIM", 3) == 0) {
dest->trgtype = REFTEK_TRGTIM;
} else {
errno = EINVAL;
return FALSE;
}
sscanf((char *) (src + TRON_OFF), "%4hd%3hd%2hd%2hd%2hd%3hd",
&yr, &da, &hr, &mn, &sc, &ms
);
dest->on = util_ydhmsmtod(yr, da, hr, mn, sc, ms);
sscanf((char *) (src + TOFS_OFF), "%4hd%3hd%2hd%2hd%2hd%3hd",
&yr, &da, &hr, &mn, &sc, &ms
);
dest->tofs = util_ydhmsmtod(yr, da, hr, mn, sc, ms);
return TRUE;
}