From ba8f85b49c38af7bc2a9acdef5dcde2de008d25e Mon Sep 17 00:00:00 2001
From: peter <peter@FreeBSD.org>
Date: Sat, 12 Jul 2008 05:00:28 +0000
Subject: Flatten bind9 vendor work area
---
lib/isc/unix/stdtime.c | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 86 insertions(+)
create mode 100644 lib/isc/unix/stdtime.c
(limited to 'lib/isc/unix/stdtime.c')
diff --git a/lib/isc/unix/stdtime.c b/lib/isc/unix/stdtime.c
new file mode 100644
index 0000000..3f240b7
--- /dev/null
+++ b/lib/isc/unix/stdtime.c
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1999-2001 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: stdtime.c,v 1.14.18.3 2005/06/08 02:07:57 marka Exp $ */
+
+/*! \file */
+
+#include <config.h>
+
+#include <stddef.h> /* NULL */
+#include <stdlib.h> /* NULL */
+#include <syslog.h>
+
+#include <sys/time.h>
+
+#include <isc/stdtime.h>
+#include <isc/util.h>
+
+#ifndef ISC_FIX_TV_USEC
+#define ISC_FIX_TV_USEC 1
+#endif
+
+#define US_PER_S 1000000
+
+#if ISC_FIX_TV_USEC
+static inline void
+fix_tv_usec(struct timeval *tv) {
+ isc_boolean_t fixed = ISC_FALSE;
+
+ if (tv->tv_usec < 0) {
+ fixed = ISC_TRUE;
+ do {
+ tv->tv_sec -= 1;
+ tv->tv_usec += US_PER_S;
+ } while (tv->tv_usec < 0);
+ } else if (tv->tv_usec >= US_PER_S) {
+ fixed = ISC_TRUE;
+ do {
+ tv->tv_sec += 1;
+ tv->tv_usec -= US_PER_S;
+ } while (tv->tv_usec >=US_PER_S);
+ }
+ /*
+ * Call syslog directly as we are called from the logging functions.
+ */
+ if (fixed)
+ (void)syslog(LOG_ERR, "gettimeofday returned bad tv_usec: corrected");
+}
+#endif
+
+void
+isc_stdtime_get(isc_stdtime_t *t) {
+ struct timeval tv;
+
+ /*
+ * Set 't' to the number of seconds since 00:00:00 UTC, January 1,
+ * 1970.
+ */
+
+ REQUIRE(t != NULL);
+
+ RUNTIME_CHECK(gettimeofday(&tv, NULL) != -1);
+
+#if ISC_FIX_TV_USEC
+ fix_tv_usec(&tv);
+ INSIST(tv.tv_usec >= 0);
+#else
+ INSIST(tv.tv_usec >= 0 && tv.tv_usec < US_PER_S);
+#endif
+
+ *t = (unsigned int)tv.tv_sec;
+}
--
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