diff options
Diffstat (limited to 'lib/timegm.c')
| -rw-r--r-- | lib/timegm.c | 64 |
1 files changed, 41 insertions, 23 deletions
diff --git a/lib/timegm.c b/lib/timegm.c index 1cabf648264..a1b19efc392 100644 --- a/lib/timegm.c +++ b/lib/timegm.c @@ -1,40 +1,58 @@ /* Convert UTC calendar time to simple time. Like mktime but assumes UTC. - Copyright (C) 1994, 1997, 2003-2004, 2006-2007, 2009-2017 Free Software - Foundation, Inc. This file is part of the GNU C Library. + Copyright (C) 1994-2022 Free Software Foundation, Inc. + This file is part of the GNU C Library. - 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. + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. - This program is distributed in the hope that it will be useful, + The GNU C Library 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. + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. - You should have received a copy of the GNU General Public License - along with this program; if not, see <https://www.gnu.org/licenses/>. */ + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ #ifndef _LIBC -# include <config.h> +# include <libc-config.h> #endif #include <time.h> +#include <errno.h> -#ifdef _LIBC -typedef time_t mktime_offset_t; -#else -# undef __gmtime_r -# define __gmtime_r gmtime_r -# define __mktime_internal mktime_internal -# include "mktime-internal.h" -#endif +#include "mktime-internal.h" -time_t -timegm (struct tm *tmp) +__time64_t +__timegm64 (struct tm *tmp) { static mktime_offset_t gmtime_offset; tmp->tm_isdst = 0; - return __mktime_internal (tmp, __gmtime_r, &gmtime_offset); + return __mktime_internal (tmp, __gmtime64_r, &gmtime_offset); +} + +#if defined _LIBC && __TIMESIZE != 64 + +libc_hidden_def (__timegm64) + +time_t +timegm (struct tm *tmp) +{ + struct tm tm = *tmp; + __time64_t t = __timegm64 (&tm); + if (in_time_t_range (t)) + { + *tmp = tm; + return t; + } + else + { + __set_errno (EOVERFLOW); + return -1; + } } + +#endif |