1 /* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
22 #include <sys/timex.h>
24 #define MAX_SEC (INT_MAX / 1000000L - 2)
25 #define MIN_SEC (INT_MIN / 1000000L + 2)
32 #define TIMEVAL timeval
40 #define ADJTIME __adjtime
44 #define NO_LOCAL_ADJTIME
45 #define ADJTIMEX(x) __adjtimex (x)
54 const struct TIMEVAL *itv;
63 /* We will do some check here. */
64 tmp.tv_sec = itv->tv_sec + itv->tv_usec / 1000000L;
65 tmp.tv_usec = itv->tv_usec % 1000000L;
66 if (tmp.tv_sec > MAX_SEC || tmp.tv_sec < MIN_SEC)
71 tntx.offset = tmp.tv_usec + tmp.tv_sec * 1000000L;
72 tntx.modes = ADJ_OFFSET_SINGLESHOT;
77 if (ADJTIMEX (&tntx) < 0)
84 otv->tv_usec = -(-tntx.offset % 1000000);
85 otv->tv_sec = -(-tntx.offset / 1000000);
89 otv->tv_usec = tntx.offset % 1000000;
90 otv->tv_sec = tntx.offset / 1000000;
96 #ifdef NO_LOCAL_ADJTIME
97 weak_alias (__adjtime, adjtime)