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authorLorry Tar Creator <lorry-tar-importer@lorry>2016-08-21 05:23:24 +0000
committerLorry Tar Creator <lorry-tar-importer@lorry>2016-08-21 05:23:24 +0000
commita3ec215973c3653ebdeb81dcdd1274519c376a3d (patch)
treedc0edc2133786db0565f19d51c4a9957dd69e2ac /lib/mktime-internal.h
downloaddiffutils-tarball-master.tar.gz
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+/* mktime variant that also uses an offset guess
+
+ Copyright 2016 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 of the License, 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <time.h>
+
+/* mktime_offset_t is a signed type wide enough to hold a UTC offset
+ in seconds, and used as part of the type of the offset-guess
+ argument to mktime_internal. Use time_t on platforms where time_t
+ is signed, to be compatible with platforms like BeOS that export
+ this implementation detail of mktime. On platforms where time_t is
+ unsigned, GNU and POSIX code can assume 'int' is at least 32 bits
+ which is wide enough for a UTC offset. */
+
+#if TIME_T_IS_SIGNED
+typedef time_t mktime_offset_t;
+#else
+typedef int mktime_offset_t;
+#endif
+
+time_t mktime_internal (struct tm *,
+ struct tm * (*) (time_t const *, struct tm *),
+ mktime_offset_t *);