81 lines
3.0 KiB
C
81 lines
3.0 KiB
C
/************************************************************************/
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/* SISCO SOFTWARE MODULE HEADER *****************************************/
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/************************************************************************/
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/* (c) Copyright Systems Integration Specialists Company, Inc., */
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/* 1986 - 2004, All Rights Reserved. */
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/* */
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/* PROPRIETARY AND CONFIDENTIAL */
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/* */
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/* MODULE NAME : ard_utc.c */
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/* PRODUCT(S) : ASN1DE */
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/* */
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/* MODULE DESCRIPTION : Decode MMS UtcTime */
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/* */
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/* GLOBAL FUNCTIONS DEFINED IN THIS MODULE : */
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/* */
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/* MODIFICATION LOG : */
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/* Date Who Rev Comments */
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/* -------- --- ------ ------------------------------------------- */
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/* 03/16/04 EJV 05 Added ST_(U)LONG typecast to logs,on some sys*/
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/* ST_(U)INT32 can be (unsigned) long or int. */
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/* 07/26/02 EJV 04 Time Quality byte chg position to lowest. */
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/* Added logging. */
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/* 07/03/02 EJV 03 MMS_UTC_TIME: chg name usec to fraction. */
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/* 12/20/01 JRB 02 Chg ASN1_CTXT to ASN1_DEC_CTXT. */
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/* 11/09/01 EJV 01 New module, derived from ard_btod.c */
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/************************************************************************/
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#include "glbtypes.h"
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#include "sysincs.h"
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#include "asn1r.h"
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#include "asn1log.h"
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/************************************************************************/
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/* For debug version, use a static pointer to avoid duplication of */
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/* __FILE__ strings. */
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#ifdef DEBUG_SISCO
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SD_CONST static ST_CHAR *SD_CONST thisFileName = __FILE__;
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#endif
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/************************************************************************/
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/* asn1r_get_utc_time */
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/************************************************************************/
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ST_RET asn1r_get_utc_time (ASN1_DEC_CTXT *ac, MMS_UTC_TIME *dest)
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{
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#ifdef DEBUG_ASN1_DECODE
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if (!dest)
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{
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slogCallStack (sLogCtrl,
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"asn1r_get_utc_time: attempt to reference through a NULL pointer");
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return(SD_FAILURE);
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}
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#endif
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ALOG_DEC0("Decoding UtcTime");
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/* Read the number of seconds since January 1, 1970 (4 bytes) */
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dest->secs = (((ST_UINT32) *(ac->asn1r_field_ptr++)) << 24) & 0xFF000000L;
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dest->secs |= (((ST_UINT32) *(ac->asn1r_field_ptr++)) << 16) & 0x00FF0000L;
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dest->secs |= (((ST_UINT32) *(ac->asn1r_field_ptr++)) << 8) & 0x0000FF00L;
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dest->secs |= ((ST_UINT32) *(ac->asn1r_field_ptr++)) & 0x000000FFL;
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/* read fraction of a second (3 bytes) */
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dest->fraction = (((ST_UINT32) *(ac->asn1r_field_ptr++)) << 16) & 0x00FF0000L;
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dest->fraction |= (((ST_UINT32) *(ac->asn1r_field_ptr++)) << 8) & 0x0000FF00L;
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dest->fraction |= ((ST_UINT32) *(ac->asn1r_field_ptr++)) & 0x000000FFL;
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/* read the quality flags (1 byte) */
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dest->qflags = ((ST_UINT32) *(ac->asn1r_field_ptr++));
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ALOG_CDEC1("seconds: %lu", (ST_ULONG) dest->secs);
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ALOG_CDEC1("fraction: %lu", (ST_ULONG) dest->fraction);
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ALOG_CDEC1("quality: 0x%lX", (ST_ULONG) dest->qflags);
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return (SD_SUCCESS);
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}
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