/* A more-standard <time.h>. Copyright (C) 2007 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ /* Don't get in the way of glibc when it includes time.h merely to declare a few standard symbols, rather than to declare all the symbols. */ #if defined __need_time_t || defined __need_clock_t || defined __need_timespec # if @HAVE_INCLUDE_NEXT@ # include_next <time.h> # else # include @ABSOLUTE_TIME_H@ # endif #else /* Normal invocation convention. */ # if ! defined _GL_TIME_H /* The include_next requires a split double-inclusion guard. */ # if @HAVE_INCLUDE_NEXT@ # include_next <time.h> # else # include @ABSOLUTE_TIME_H@ # endif # if ! defined _GL_TIME_H # define _GL_TIME_H # ifdef __cplusplus extern "C" { # endif /* Some systems don't define struct timespec (e.g., AIX 4.1, Ultrix 4.3). Or they define it with the wrong member names or define it in <sys/time.h> (e.g., FreeBSD circa 1997). */ # if ! @TIME_H_DEFINES_STRUCT_TIMESPEC@ # if @SYS_TIME_H_DEFINES_STRUCT_TIMESPEC@ # include <sys/time.h> # else # undef timespec # define timespec rpl_timespec struct timespec { time_t tv_sec; long int tv_nsec; }; # endif # endif /* Sleep for at least RQTP seconds unless interrupted, If interrupted, return -1 and store the remaining time into RMTP. See <http://www.opengroup.org/susv3xsh/nanosleep.html>. */ # if @REPLACE_NANOSLEEP@ # define nanosleep rpl_nanosleep int nanosleep (struct timespec const *__rqtp, struct timespec *__rmtp); # endif /* Convert TIMER to RESULT, assuming local time and UTC respectively. See <http://www.opengroup.org/susv3xsh/localtime_r.html> and <http://www.opengroup.org/susv3xsh/gmtime_r.html>. */ # if @REPLACE_LOCALTIME_R@ # undef localtime_r # define localtime_r rpl_localtime_r # undef gmtime_r # define gmtime_r rpl_gmtime_r struct tm *localtime_r (time_t const *restrict __timer, struct tm *restrict __result); struct tm *gmtime_r (time_t const *restrict __timer, struct tm *restrict __result); # endif /* Parse BUF as a time stamp, assuming FORMAT specifies its layout, and store the resulting broken-down time into TM. See <http://www.opengroup.org/susv3xsh/strptime.html>. */ # if @REPLACE_STRPTIME@ # undef strptime # define strptime rpl_strptime char *strptime (char const *restrict __buf, char const *restrict __format, struct tm *restrict __tm); # endif /* Convert TM to a time_t value, assuming UTC. */ # if @REPLACE_TIMEGM@ # undef timegm # define timegm rpl_timegm time_t timegm (struct tm *__tm); # endif /* Encourage applications to avoid unsafe functions that can overrun buffers when given outlandish struct tm values. Portable applications should use strftime (or even sprintf) instead. */ # if GNULIB_PORTCHECK # undef asctime # define asctime eschew_asctime # undef asctime_r # define asctime_r eschew_asctime_r # undef ctime # define ctime eschew_ctime # undef ctime_r # define ctime_r eschew_ctime_r # endif # ifdef __cplusplus } # endif # endif /* _GL_TIME_H */ # endif /* _GL_TIME_H */ #endif