Add gmtime and localtime

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1976 42af7a65-404d-4744-a932-0658087f49c3

2 files changed, 95 insertions, 1 deletions

diff --git a/nuttx/lib/Makefile b/nuttx/lib/Makefile
index b2792cdf3..63264bc36 100644
--- a/nuttx/lib/Makefile
+++ b/nuttx/lib/Makefile
@@ -83,7 +83,7 @@ UNISTD_SRCS	+=  lib_chdir.c lib_getcwd.c
 endif
 endif
 
-TIME_SRCS	= lib_mktime.c lib_gmtimer.c lib_timeutils.c
+TIME_SRCS	= lib_mktime.c lib_gmtime.c lib_gmtimer.c lib_timeutils.c
 
 NET_SRCS	= lib_htons.c lib_htonl.c lib_inetntoa.c lib_etherntoa.c
 
diff --git a/nuttx/lib/lib_gmtime.c b/nuttx/lib/lib_gmtime.c
new file mode 100644
index 000000000..14076b0ee
--- /dev/null
+++ b/nuttx/lib/lib_gmtime.c
@@ -0,0 +1,94 @@
+/****************************************************************************
+ * lib/lib_gmtime.c
+ *
+ *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <sys/types.h>
+
+#include <time.h>
+#include <errno.h>
+#include <debug.h>
+
+#include <nuttx/time.h>
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Type Declarations
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+/**************************************************************************
+ * Public Constant Data
+ **************************************************************************/
+
+/****************************************************************************
+ * Public Variables
+ ****************************************************************************/
+
+/**************************************************************************
+ * Private Variables
+ **************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Function:  gmtime
+ *
+ * Description:
+ *  Similar to gmtime_r, but not thread-safe
+ *
+ ****************************************************************************/
+
+struct tm *gmtime(const time_t *clock)
+{
+  static struct tm tm;
+  return gmtime_r(clock, &tm);
+}
+