summaryrefslogtreecommitdiff
path: root/lib/time_.h
diff options
context:
space:
mode:
Diffstat (limited to 'lib/time_.h')
-rw-r--r--lib/time_.h107
1 files changed, 107 insertions, 0 deletions
diff --git a/lib/time_.h b/lib/time_.h
new file mode 100644
index 0000000..5467d3d
--- /dev/null
+++ b/lib/time_.h
@@ -0,0 +1,107 @@
+/* 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
+# include @ABSOLUTE_TIME_H@
+
+#elif ! defined _GL_TIME_H
+# define _GL_TIME_H
+# include @ABSOLUTE_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