From bbe35a6e1b54ef5cd7c1c471886c30ba85c0804e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 19:47:50 +0200 Subject: Adding upstream version 1.21. Signed-off-by: Daniel Baumann --- lib/timegm.c | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 lib/timegm.c (limited to 'lib/timegm.c') diff --git a/lib/timegm.c b/lib/timegm.c new file mode 100644 index 0000000..fa30943 --- /dev/null +++ b/lib/timegm.c @@ -0,0 +1,58 @@ +/* Convert UTC calendar time to simple time. Like mktime but assumes UTC. + + Copyright (C) 1994-2020 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library 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 of the License, or (at your option) any later version. + + 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. + + You should have received a copy of the GNU General Public + License along with the GNU C Library; if not, see + . */ + +#ifndef _LIBC +# include +#endif + +#include +#include + +#include "mktime-internal.h" + +__time64_t +__timegm64 (struct tm *tmp) +{ + static mktime_offset_t gmtime_offset; + tmp->tm_isdst = 0; + 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 -- cgit v1.2.3