/* localtime.c - localtime routine for the ANSI time library *//* Copyright 1992-1996 Wind River Systems, Inc. *//*modification history--------------------01e,17nov97,dgp  doc: fix SPR 9415: localtime returns a static structure01d,20jun96,dbt  corrected localtime_r (SPR #2521).		 timeBuffer must be initialized before a call of __getDstInfo.		 Updated copyright.01c,05feb93,jdi  documentation cleanup for 5.1.01b,20sep92,smb  documentation additions01a,25jul92,smb  written.*//*  DESCRIPTION    INCLUDE FILE: time.h, stdlib.h   SEE ALSO: American National Standard X3.159-1989 NOMANUAL*/#include "vxWorks.h"#include "time.h"#include "stdlib.h"#include "private/timeP.h"extern TIMELOCALE *__loctime;	/* time locale information *//****************************************************************************** localtime - convert calendar time into broken-down time (ANSI)** This routine converts the calendar time pointed to by <timer> into* broken-down time, expressed as local time.** INCLUDE FILES: time.h** RETURNS: * A pointer to the static structure `tm' containing the local broken-down time.*/struct tm *localtime    (    const time_t * timer 	/* calendar time in seconds */    )    {    static struct tm timeBuffer;    localtime_r (timer, &timeBuffer);    return (&timeBuffer);    }/****************************************************************************** localtime_r - convert calendar time into broken-down time (POSIX)** This routine converts the calendar time pointed to by <timer> into* broken-down time, expressed as local time.  The broken-down time is* stored in <timeBuffer>.** This routine is the POSIX re-entrant version of localtime().** INCLUDE FILES: time.h** RETURNS: OK.*/int localtime_r    (    const time_t * timer, 	/* calendar time in seconds */    struct tm *    timeBuffer	/* buffer for the broken-down time */    )    {    char zoneBuf [sizeof (ZONEBUFFER)];    int  dstOffset;    /* First get the zone info */    __getZoneInfo(zoneBuf, TIMEOFFSET, __loctime);    /* Generate a broken-down time structure */    __getTime (*timer - ((atoi (zoneBuf)) * SECSPERMIN), timeBuffer);    /* is Daylight Saving Time in effect ? */    dstOffset  = __getDstInfo (timeBuffer,__loctime);    timeBuffer->tm_isdst = dstOffset;    /* Correct the broken-down time structure if necessary */    if (dstOffset)	__getTime ((*timer - ((atoi (zoneBuf)) * SECSPERMIN))				+ (dstOffset * SECSPERHOUR), timeBuffer);    return (OK);                 /* __getTime always returns OK */    }