Imported Debian patch 1.3.12-1

[gzip] / lib / time_.h

diff --git a/lib/time_.h b/lib/time_.h
new file mode 100644 (file)
index 0000000..28fb04d
--- /dev/null
+++ b/lib/time_.h
@@ -0,0 +1,118 @@
+/* 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@
+
+#else
+/* Normal invocation convention.  */
+
+# ifdef __DECC
+#  include_next <time.h>
+# endif
+
+# if ! defined _GL_TIME_H
+#  define _GL_TIME_H
+
+#  ifndef __DECC
+#   include @ABSOLUTE_TIME_H@
+#  endif
+
+#  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
+#endif