Added new files resulting from directory restructuring.

[pspp-builds.git] / src / libpspp / start-date.c

diff --git a/src/libpspp/start-date.c b/src/libpspp/start-date.c
new file mode 100644 (file)
index 0000000..5becc88
--- /dev/null
+++ b/src/libpspp/start-date.c
@@ -0,0 +1,53 @@
+/* PSPP - computes sample statistics.
+   Copyright (C) 1997-9, 2000, 2006 Free Software Foundation, Inc.
+   Written by Ben Pfaff <blp@gnu.org>.
+
+   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., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA. */
+
+#include <config.h>
+#include "start-date.h"
+#include <time.h>
+#include "str.h"
+#include "strftime.h"
+
+/* Writes the current date into CUR_DATE in the format DD MMM
+   YYYY. */
+static void
+get_cur_date (char cur_date[12])
+{
+  time_t now = time (NULL);
+  if (now != (time_t) -1) 
+    {
+      struct tm *tm = localtime (&now);
+      if (tm != NULL) 
+        {
+          strftime (cur_date, 12, "%d %b %Y", tm);
+          return;
+        }
+    }
+  strcpy (cur_date, "?? ??? 2???");
+}
+
+/* Returns the date at which PSPP was started, as a string in the
+   format DD MMM YYYY. */
+const char *
+get_start_date (void)
+{
+  static char start_date[12];
+  if (start_date[0] == '\0')
+    get_cur_date (start_date);
+  return start_date; 
+}