/* Copyright (C) 1991, 1992, 1994, 1995 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <ansidecl.h> #include <errno.h> #include <time.h> #include <sys/time.h> #ifndef HAVE_GNU_LD #define __daylight daylight #define __timezone timezone #define __tzname tzname #endif /* Get the current time of day and timezone information, putting it into *TV and *TZ. If TZ is NULL, *TZ is not filled. Returns 0 on success, -1 on errors. */ int DEFUN(__gettimeofday, (tv, tz), struct timeval *tv AND struct timezone *tz) { if (tv == NULL) { errno = EINVAL; return -1; } tv->tv_sec = (long int) time ((time_t *) NULL); tv->tv_usec = 0L; if (tz != NULL) { CONST time_t timer = tv->tv_sec; CONST struct tm *tm; CONST long int save_timezone = __timezone; CONST long int save_daylight = __daylight; char *save_tzname[2]; save_tzname[0] = __tzname[0]; save_tzname[1] = __tzname[1]; tm = localtime (&timer); tz->tz_minuteswest = __timezone / 60; tz->tz_dsttime = __daylight; __timezone = save_timezone; __daylight = save_daylight; __tzname[0] = save_tzname[0]; __tzname[1] = save_tzname[1]; if (tm == NULL) return -1; } return 0; } weak_alias (__gettimeofday, gettimeofday)