X-Git-Url: http://git.csclub.uwaterloo.ca/?p=kopensolaris-gnu%2Fglibc.git;a=blobdiff_plain;f=time%2Flocaltime.c;h=148879274d6d41d2a6be79db27acddcc932278f3;hp=833d708b8dfcce300cd1e34d314515de8ca713ae;hb=f8f163be7e94ff936153e93c73ce8283bfb82236;hpb=c37959fad33df93a1ea186fed4ffc624ceaf78bb diff --git a/time/localtime.c b/time/localtime.c index 833d708b8d..148879274d 100644 --- a/time/localtime.c +++ b/time/localtime.c @@ -1,89 +1,44 @@ -/* localtime -- convert `time_t' to `struct tm' in local time zone -Copyright (C) 1991, 92, 93, 95, 96 Free Software Foundation, Inc. -This file is part of the GNU C Library. +/* Convert `time_t' to `struct tm' in local time zone. + Copyright (C) 1991, 92, 93, 95, 96, 97, 98 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 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. + 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. */ + 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ -#include #include -#include /* The C Standard says that localtime and gmtime return the same pointer. */ struct tm _tmbuf; -/* Return the `struct tm' representation of *TIMER in the local timezone. */ -struct tm * -localtime (timer) - const time_t *timer; -{ - return __localtime_r (timer, &_tmbuf); -} +/* Return the `struct tm' representation of *T in local time, + using *TP to store the result. */ struct tm * -__localtime_r (timer, tp) - const time_t *timer; +__localtime_r (t, tp) + const time_t *t; struct tm *tp; { - /* This lock is defined in tzset.c and locks all the data defined there - and in tzfile.c; the internal functions do no locking themselves. - This lock is only taken here and in `tzset'. */ - __libc_lock_define (extern, __tzset_lock) - extern int __use_tzfile; - extern int __tz_compute __P ((time_t timer, struct tm *tp)); - extern int __tzfile_compute __P ((time_t timer, - long int *leap_correct, int *leap_hit)); - long int leap_correction; - int leap_extra_secs; - - if (timer == NULL) - { - __set_errno (EINVAL); - return NULL; - } - - __libc_lock_lock (__tzset_lock); - - /* Make sure the database is initialized. */ - __tzset (); - - if (__use_tzfile) - { - if (! __tzfile_compute (*timer, &leap_correction, &leap_extra_secs)) - tp = NULL; - } - else - { - tp = __gmtime_r (timer, tp); - if (tp && ! __tz_compute (*timer, tp)) - tp = NULL; - leap_correction = 0L; - leap_extra_secs = 0; - } - - if (tp) - { - __offtime (timer, __timezone - leap_correction, tp); - tp->tm_sec += leap_extra_secs; - tp->tm_isdst = __daylight; - tp->tm_gmtoff = __timezone; - tp->tm_zone = __tzname[__daylight]; - } + return __tz_convert (t, 1, tp); +} +weak_alias (__localtime_r, localtime_r) - __libc_lock_unlock (__tzset_lock); - return tp; +/* Return the `struct tm' representation of *T in local time. */ +struct tm * +localtime (t) + const time_t *t; +{ + return __tz_convert (t, 1, &_tmbuf); } -weak_alias (__localtime_r, localtime_r)