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author | Paul Eggert <eggert@cs.ucla.edu> | 2011-01-08 22:57:07 -0800 |
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committer | Paul Eggert <eggert@cs.ucla.edu> | 2011-01-08 22:57:07 -0800 |
commit | 1fd182f01815629114a83d6987568dce72cc6bf5 (patch) | |
tree | 17148e38af034214416d362909d5a3ec8c4e6c4a /lib/time.in.h | |
parent | e84aba69759680c3d2461570168aabf52c5e12aa (diff) | |
download | emacs-1fd182f01815629114a83d6987568dce72cc6bf5.tar.gz |
Regenerate.
Diffstat (limited to 'lib/time.in.h')
-rw-r--r-- | lib/time.in.h | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/lib/time.in.h b/lib/time.in.h new file mode 100644 index 00000000000..2d6da7161fb --- /dev/null +++ b/lib/time.in.h @@ -0,0 +1,243 @@ +/* A more-standard <time.h>. + + Copyright (C) 2007-2011 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 3, 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. */ + +#if __GNUC__ >= 3 +@PRAGMA_SYSTEM_HEADER@ +#endif +@PRAGMA_COLUMNS@ + +/* 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. Also, Solaris 8 <time.h> eventually includes itself + recursively; if that is happening, just include the system <time.h> + without adding our own declarations. */ +#if (defined __need_time_t || defined __need_clock_t \ + || defined __need_timespec \ + || defined _GL_TIME_H) + +# @INCLUDE_NEXT@ @NEXT_TIME_H@ + +#else + +# define _GL_TIME_H + +# @INCLUDE_NEXT@ @NEXT_TIME_H@ + +/* NetBSD 5.0 mis-defines NULL. */ +# include <stddef.h> + +/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ + +/* The definition of _GL_ARG_NONNULL is copied here. */ + +/* The definition of _GL_WARN_ON_USE is copied here. */ + +/* 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). Stock Mingw does not define it, but the + pthreads-win32 library defines it in <pthread.h>. */ +# if ! @TIME_H_DEFINES_STRUCT_TIMESPEC@ +# if @SYS_TIME_H_DEFINES_STRUCT_TIMESPEC@ +# include <sys/time.h> +# elif @PTHREAD_H_DEFINES_STRUCT_TIMESPEC@ +# include <pthread.h> +/* The pthreads-win32 <pthread.h> also defines a couple of broken macros. */ +# undef asctime_r +# undef ctime_r +# undef gmtime_r +# undef localtime_r +# undef rand_r +# undef strtok_r +# else + +# ifdef __cplusplus +extern "C" { +# endif + +# undef timespec +# define timespec rpl_timespec +struct timespec +{ + time_t tv_sec; + long int tv_nsec; +}; + +# ifdef __cplusplus +} +# endif + +# endif +# endif + +/* Per http://austingroupbugs.net/view.php?id=327, POSIX requires + time_t to be an integer type, even though C99 permits floating + point. We don't know of any implementation that uses floating + point, and it is much easier to write code that doesn't have to + worry about that corner case, so we force the issue. */ +struct __time_t_must_be_integral { + unsigned int __floating_time_t_unsupported : (time_t) 1; +}; + +/* 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 @GNULIB_NANOSLEEP@ +# if @REPLACE_NANOSLEEP@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define nanosleep rpl_nanosleep +# endif +_GL_FUNCDECL_RPL (nanosleep, int, + (struct timespec const *__rqtp, struct timespec *__rmtp) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (nanosleep, int, + (struct timespec const *__rqtp, struct timespec *__rmtp)); +# else +# if ! @HAVE_NANOSLEEP@ +_GL_FUNCDECL_SYS (nanosleep, int, + (struct timespec const *__rqtp, struct timespec *__rmtp) + _GL_ARG_NONNULL ((1))); +# endif +_GL_CXXALIAS_SYS (nanosleep, int, + (struct timespec const *__rqtp, struct timespec *__rmtp)); +# endif +_GL_CXXALIASWARN (nanosleep); +# endif + +/* Return the 'time_t' representation of TP and normalize TP. */ +# if @GNULIB_MKTIME@ +# if @REPLACE_MKTIME@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define mktime rpl_mktime +# endif +_GL_FUNCDECL_RPL (mktime, time_t, (struct tm *__tp) _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (mktime, time_t, (struct tm *__tp)); +# else +_GL_CXXALIAS_SYS (mktime, time_t, (struct tm *__tp)); +# endif +_GL_CXXALIASWARN (mktime); +# 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 @GNULIB_TIME_R@ +# if @REPLACE_LOCALTIME_R@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef localtime_r +# define localtime_r rpl_localtime_r +# endif +_GL_FUNCDECL_RPL (localtime_r, struct tm *, (time_t const *restrict __timer, + struct tm *restrict __result) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (localtime_r, struct tm *, (time_t const *restrict __timer, + struct tm *restrict __result)); +# else +# if ! @HAVE_DECL_LOCALTIME_R@ +_GL_FUNCDECL_SYS (localtime_r, struct tm *, (time_t const *restrict __timer, + struct tm *restrict __result) + _GL_ARG_NONNULL ((1, 2))); +# endif +_GL_CXXALIAS_SYS (localtime_r, struct tm *, (time_t const *restrict __timer, + struct tm *restrict __result)); +# endif +# if @HAVE_DECL_LOCALTIME_R@ +_GL_CXXALIASWARN (localtime_r); +# endif +# if @REPLACE_LOCALTIME_R@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef gmtime_r +# define gmtime_r rpl_gmtime_r +# endif +_GL_FUNCDECL_RPL (gmtime_r, struct tm *, (time_t const *restrict __timer, + struct tm *restrict __result) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (gmtime_r, struct tm *, (time_t const *restrict __timer, + struct tm *restrict __result)); +# else +# if ! @HAVE_DECL_LOCALTIME_R@ +_GL_FUNCDECL_SYS (gmtime_r, struct tm *, (time_t const *restrict __timer, + struct tm *restrict __result) + _GL_ARG_NONNULL ((1, 2))); +# endif +_GL_CXXALIAS_SYS (gmtime_r, struct tm *, (time_t const *restrict __timer, + struct tm *restrict __result)); +# endif +# if @HAVE_DECL_LOCALTIME_R@ +_GL_CXXALIASWARN (gmtime_r); +# endif +# 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 @GNULIB_STRPTIME@ +# if ! @HAVE_STRPTIME@ +_GL_FUNCDECL_SYS (strptime, char *, (char const *restrict __buf, + char const *restrict __format, + struct tm *restrict __tm) + _GL_ARG_NONNULL ((1, 2, 3))); +# endif +_GL_CXXALIAS_SYS (strptime, char *, (char const *restrict __buf, + char const *restrict __format, + struct tm *restrict __tm)); +_GL_CXXALIASWARN (strptime); +# endif + +/* Convert TM to a time_t value, assuming UTC. */ +# if @GNULIB_TIMEGM@ +# if @REPLACE_TIMEGM@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef timegm +# define timegm rpl_timegm +# endif +_GL_FUNCDECL_RPL (timegm, time_t, (struct tm *__tm) _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (timegm, time_t, (struct tm *__tm)); +# else +# if ! @HAVE_TIMEGM@ +_GL_FUNCDECL_SYS (timegm, time_t, (struct tm *__tm) _GL_ARG_NONNULL ((1))); +# endif +_GL_CXXALIAS_SYS (timegm, time_t, (struct tm *__tm)); +# endif +_GL_CXXALIASWARN (timegm); +# 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 defined GNULIB_POSIXCHECK +# undef asctime +_GL_WARN_ON_USE (asctime, "asctime can overrun buffers in some cases - " + "better use strftime (or even sprintf) instead"); +# endif +# if defined GNULIB_POSIXCHECK +# undef asctime_r +_GL_WARN_ON_USE (asctime, "asctime_r can overrun buffers in some cases - " + "better use strftime (or even sprintf) instead"); +# endif +# if defined GNULIB_POSIXCHECK +# undef ctime +_GL_WARN_ON_USE (asctime, "ctime can overrun buffers in some cases - " + "better use strftime (or even sprintf) instead"); +# endif +# if defined GNULIB_POSIXCHECK +# undef ctime_r +_GL_WARN_ON_USE (asctime, "ctime_r can overrun buffers in some cases - " + "better use strftime (or even sprintf) instead"); +# endif + +#endif |