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107 lines
3.0 KiB
107 lines
3.0 KiB
/***
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*ftime.c - OS/2 return system time
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*
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* Copyright (c) 1985-1993, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* Returns the system date/time in a structure form.
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*
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*Revision History:
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* 03-??-84 RLB initial version
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* 05-17-86 SKS ported to OS/2
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* 03-09-87 SKS correct Daylight Savings Time flag
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* 11-18-87 SKS Change tzset() to __tzset()
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* 12-11-87 JCR Added "_LOAD_DS" to declaration
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* 10-03-88 JCR 386: Change DOS calls to SYS calls
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* 10-04-88 JCR 386: Removed 'far' keyword
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* 10-10-88 GJF Made API names match DOSCALLS.H
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* 04-12-89 JCR New syscall interface
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* 05-25-89 JCR 386 OS/2 calls use '_syscall' calling convention
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* 03-20-90 GJF Replaced _LOAD_DS with _CALLTYPE1, added #include
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* <cruntime.h>, removed some leftover 16-bit support
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* and fixed the copyright. Also, cleaned up the
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* formatting a bit.
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* 07-25-90 SBM Removed '32' from API names
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* 08-13-90 SBM Compiles cleanly with -W3
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* 08-20-90 SBM Removed old incorrect, redundant tp->dstflag assignment
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* 10-04-90 GJF New-style function declarator.
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* 12-04-90 SRW Changed to include <oscalls.h> instead of <doscalls.h>
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* 12-06-90 SRW Added _CRUISER_ and _WIN32 conditionals.
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* 01-21-91 GJF ANSI naming.
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* 01-23-92 GJF Change in time zone field name for Win32, to support
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* crtdll.dll [_WIN32_].
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* 03-30-93 GJF Revised to use mktime(). Also purged Cruiser support.
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* 06-08-93 SKS Change "tmzone" back to "timezone". See h/sys/timeb.h.
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* 07-15-93 GJF Call __tzset() instead of _tzset().
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*
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*******************************************************************************/
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#ifndef _POSIX_
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#include <cruntime.h>
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#include <sys/types.h>
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#include <sys/timeb.h>
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#include <time.h>
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#include <dostypes.h>
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#include <msdos.h>
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#include <dos.h>
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#include <stdlib.h>
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#include <oscalls.h>
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#include <internal.h>
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/***
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*void _ftime(timeptr) - return DOS time in a structure
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*
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*Purpose:
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* returns the current DOS time in a struct timeb structure
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*
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*Entry:
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* struct timeb *timeptr - structure to fill in with time
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*
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*Exit:
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* no return value -- fills in structure
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*
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*Exceptions:
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*
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*******************************************************************************/
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void _CRTAPI1 _ftime (
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struct _timeb *tp
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)
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{
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struct tm tb;
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SYSTEMTIME dt;
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__tzset();
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/*
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* NOTE: The "timezone" field was renamed "tmzone" for a while because
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* of the conflict with the global variable "_timezone". Since we use
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* #define to alias the old name "timezone" to "_timezone" and to
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* alias _timezone to (*_timezone_dll) in the CRTDLL model, we cannot
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* compatibility in both areas. See sys/timeb.h for more information.
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*/
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tp->timezone = (short)(_timezone / 60);
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GetLocalTime(&dt);
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tp->millitm = (unsigned short)(dt.wMilliseconds);
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tb.tm_year = dt.wYear - 1900;
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tb.tm_mday = dt.wDay;
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tb.tm_mon = dt.wMonth - 1;
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tb.tm_hour = dt.wHour;
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tb.tm_min = dt.wMinute;
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tb.tm_sec = dt.wSecond;
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tb.tm_isdst = -1;
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/*
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* Call mktime() to compute time_t value and Daylight Savings Time
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* flag.
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*/
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tp->time = mktime(&tb);
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tp->dstflag = (short)(tb.tm_isdst);
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}
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#endif /* _POSIX_ */
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