lib: Create time_basic.[ch]

Make the two functions that debug.c needs a subsystem of their own. The
goal is to put debug.c on a diet. Anybody who wants to use it should
not be forced to pull in half of Samba :-)

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

1 files changed, 80 insertions, 0 deletions

diff --git a/lib/util/time_basic.c b/lib/util/time_basic.c
new file mode 100644
index 0000000000..b6e73171e4
--- /dev/null
+++ b/lib/util/time_basic.c
@@ -0,0 +1,80 @@
+/*
+ * Unix SMB/CIFS implementation.
+ * time handling functions
+ *
+ * Copyright (C) Andrew Tridgell 		1992-2004
+ * Copyright (C) Stefan (metze) Metzmacher	2002
+ * Copyright (C) Jeremy Allison			2007
+ * Copyright (C) Andrew Bartlett                2011
+ *
+ * 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 "replace.h"
+#include "lib/util/time_basic.h"
+
+/**
+a gettimeofday wrapper
+**/
+_PUBLIC_ void GetTimeOfDay(struct timeval *tval)
+{
+#ifdef HAVE_GETTIMEOFDAY_TZ
+	gettimeofday(tval,NULL);
+#else
+	gettimeofday(tval);
+#endif
+}
+
+/****************************************************************************
+ Return the date and time as a string
+****************************************************************************/
+
+char *timeval_str_buf(const struct timeval *tp, bool hires,
+		      struct timeval_buf *dst)
+{
+	time_t t;
+	struct tm *tm;
+	size_t len;
+
+	t = (time_t)tp->tv_sec;
+	tm = localtime(&t);
+
+	if (tm == NULL) {
+		if (hires) {
+			snprintf(dst->buf, sizeof(dst->buf),
+				 "%ld.%06ld seconds since the Epoch",
+				 (long)tp->tv_sec, (long)tp->tv_usec);
+		} else {
+			snprintf(dst->buf, sizeof(dst->buf),
+				 "%ld seconds since the Epoch", (long)t);
+		}
+		return dst->buf;
+	}
+
+#ifdef HAVE_STRFTIME
+	len = strftime(dst->buf, sizeof(dst->buf), "%Y/%m/%d %H:%M:%S", tm);
+#else
+	{
+		const char *asct = asctime(tm);
+		len = strlcpy(dst->buf, sizeof(dst->buf),
+			      asct ? asct : "unknown");
+	}
+#endif
+	if (hires && (len < sizeof(dst->buf))) {
+		snprintf(dst->buf + len, sizeof(dst->buf) - len,
+			 ".%06ld", (long)tp->tv_usec);
+	}
+
+	return dst->buf;
+}