source: trunk/libs/newlib/src/libgloss/cr16/time.c @ 474

Last change on this file since 474 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 1.4 KB
Line 
1/* time.c -- Implementation of the low-level time() routine
2 *
3 * Copyright (c) 2004 National Semiconductor Corporation
4 *
5 * The authors hereby grant permission to use, copy, modify, distribute,
6 * and license this software and its documentation for any purpose, provided
7 * that existing copyright notices are retained in all copies and that this
8 * notice is included verbatim in any distributions. No written agreement,
9 * license, or royalty fee is required for any of the authorized uses.
10 * Modifications to this software may be copyrighted by their authors
11 * and need not follow the licensing terms described here, provided that
12 * the new terms are clearly indicated on the first page of each file where
13 * they apply.
14 */
15
16#include <unistd.h>
17#include <time.h>
18#include <errno.h>
19#include <sys/time.h>
20#include <sys/times.h>
21#include <sys/syscall.h>
22
23time_t _Time (time_t *timer)
24{
25  HOST_SERVICE (SVC_TIME);
26}
27
28time_t _time (time_t *tod)
29{
30  time_t t = _Time (NULL);
31
32  if (tod)
33    *tod = t;
34 
35  return (t);
36}
37
38/* _times -- no clock, so return an error.  */
39clock_t _times (struct tms *buf)
40{
41  errno = EINVAL;
42  return (-1);
43}
44
45/* _gettimeofday -- implement in terms of time.  */
46int _gettimeofday (struct timeval *tv, void *tzvp)
47{
48  struct timezone *tz = tzvp;
49  if (tz)
50    tz->tz_minuteswest = tz->tz_dsttime = 0;
51
52  tv->tv_usec = 0;
53  tv->tv_sec = _time (0);
54  return 0;
55}
56
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