| 1 | /* A more-standard <time.h>. |
| 2 | |
| 3 | Copyright (C) 2007-2008 Free Software Foundation, Inc. |
| 4 | |
| 5 | This program is free software; you can redistribute it and/or modify |
| 6 | it under the terms of the GNU Lesser General Public License as published by |
| 7 | the Free Software Foundation; either version 2, or (at your option) |
| 8 | any later version. |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public License |
| 16 | along with this program; if not, write to the Free Software Foundation, |
| 17 | Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ |
| 18 | |
| 19 | #if __GNUC__ >= 3 |
| 20 | @PRAGMA_SYSTEM_HEADER@ |
| 21 | #endif |
| 22 | |
| 23 | /* Don't get in the way of glibc when it includes time.h merely to |
| 24 | declare a few standard symbols, rather than to declare all the |
| 25 | symbols. Also, Solaris 8 <time.h> eventually includes itself |
| 26 | recursively; if that is happening, just include the system <time.h> |
| 27 | without adding our own declarations. */ |
| 28 | #if (defined __need_time_t || defined __need_clock_t \ |
| 29 | || defined __need_timespec \ |
| 30 | || defined _GL_TIME_H) |
| 31 | |
| 32 | # @INCLUDE_NEXT@ @NEXT_TIME_H@ |
| 33 | |
| 34 | #else |
| 35 | |
| 36 | # define _GL_TIME_H |
| 37 | |
| 38 | # @INCLUDE_NEXT@ @NEXT_TIME_H@ |
| 39 | |
| 40 | # ifdef __cplusplus |
| 41 | extern "C" { |
| 42 | # endif |
| 43 | |
| 44 | /* Some systems don't define struct timespec (e.g., AIX 4.1, Ultrix 4.3). |
| 45 | Or they define it with the wrong member names or define it in <sys/time.h> |
| 46 | (e.g., FreeBSD circa 1997). */ |
| 47 | # if ! @TIME_H_DEFINES_STRUCT_TIMESPEC@ |
| 48 | # if @SYS_TIME_H_DEFINES_STRUCT_TIMESPEC@ |
| 49 | # include <sys/time.h> |
| 50 | # else |
| 51 | # undef timespec |
| 52 | # define timespec rpl_timespec |
| 53 | struct timespec |
| 54 | { |
| 55 | time_t tv_sec; |
| 56 | long int tv_nsec; |
| 57 | }; |
| 58 | # endif |
| 59 | # endif |
| 60 | |
| 61 | /* Sleep for at least RQTP seconds unless interrupted, If interrupted, |
| 62 | return -1 and store the remaining time into RMTP. See |
| 63 | <http://www.opengroup.org/susv3xsh/nanosleep.html>. */ |
| 64 | # if @REPLACE_NANOSLEEP@ |
| 65 | # define nanosleep rpl_nanosleep |
| 66 | int nanosleep (struct timespec const *__rqtp, struct timespec *__rmtp); |
| 67 | # endif |
| 68 | |
| 69 | /* Convert TIMER to RESULT, assuming local time and UTC respectively. See |
| 70 | <http://www.opengroup.org/susv3xsh/localtime_r.html> and |
| 71 | <http://www.opengroup.org/susv3xsh/gmtime_r.html>. */ |
| 72 | # if @REPLACE_LOCALTIME_R@ |
| 73 | # undef localtime_r |
| 74 | # define localtime_r rpl_localtime_r |
| 75 | # undef gmtime_r |
| 76 | # define gmtime_r rpl_gmtime_r |
| 77 | struct tm *localtime_r (time_t const *restrict __timer, |
| 78 | struct tm *restrict __result); |
| 79 | struct tm *gmtime_r (time_t const *restrict __timer, |
| 80 | struct tm *restrict __result); |
| 81 | # endif |
| 82 | |
| 83 | /* Parse BUF as a time stamp, assuming FORMAT specifies its layout, and store |
| 84 | the resulting broken-down time into TM. See |
| 85 | <http://www.opengroup.org/susv3xsh/strptime.html>. */ |
| 86 | # if @REPLACE_STRPTIME@ |
| 87 | # undef strptime |
| 88 | # define strptime rpl_strptime |
| 89 | char *strptime (char const *restrict __buf, char const *restrict __format, |
| 90 | struct tm *restrict __tm); |
| 91 | # endif |
| 92 | |
| 93 | /* Convert TM to a time_t value, assuming UTC. */ |
| 94 | # if @REPLACE_TIMEGM@ |
| 95 | # undef timegm |
| 96 | # define timegm rpl_timegm |
| 97 | time_t timegm (struct tm *__tm); |
| 98 | # endif |
| 99 | |
| 100 | /* Encourage applications to avoid unsafe functions that can overrun |
| 101 | buffers when given outlandish struct tm values. Portable |
| 102 | applications should use strftime (or even sprintf) instead. */ |
| 103 | # if GNULIB_PORTCHECK |
| 104 | # undef asctime |
| 105 | # define asctime eschew_asctime |
| 106 | # undef asctime_r |
| 107 | # define asctime_r eschew_asctime_r |
| 108 | # undef ctime |
| 109 | # define ctime eschew_ctime |
| 110 | # undef ctime_r |
| 111 | # define ctime_r eschew_ctime_r |
| 112 | # endif |
| 113 | |
| 114 | # ifdef __cplusplus |
| 115 | } |
| 116 | # endif |
| 117 | |
| 118 | #endif |