X-Git-Url: https://git.distorted.org.uk/~mdw/misc/blobdiff_plain/0f581568f662310ff4a32e3d43016fff268d10bd..300a556d392d9bd6ac5b98c1b4b2d0a052459053:/timemax.cc

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+/* -*-c++-*-
+ *
+ * Return the largest allowable time_t value
+ *
+ * (c) 2016 Mark Wooding
+ */
+
+/*----- Licensing notice --------------------------------------------------*
+ *
+ * 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 2 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, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*----- Header files ------------------------------------------------------*/
+
+#include <ctime>
+#include <limits>
+
+#include "timemax.h"
+
+using namespace std;
+
+/*----- Main code ---------------------------------------------------------*/
+
+/* --- @timemax@ --- *
+ *
+ * Arguments:	---
+ *
+ * Returns:	The largest value repesentable in an object of type @time_t@.
+ *
+ * Use:		For some stupid reason there isn't a @TIME_MAX@ anywhere, and
+ *		it's really hard to discover the right value in C.  But it's
+ *		quite easy in C++, so that's what we do.
+ */
+
+time_t timemax() { return numeric_limits<time_t>::max(); }
+
+/*----- That's all, folks -------------------------------------------------*/