From 93922df09fa69c369e083fea1392a697ba67b646 Mon Sep 17 00:00:00 2001
From: Hideki Miyazaki <hide@wolfssl.com>
Date: Fri, 20 Sep 2024 09:10:55 +0900
Subject: [PATCH] extract YEAR and MONTH from __DATE__ macro

---
 .../RX65N/GR-ROSE/common/wolfssl_dummy.c      | 48 +++++++++++++++--
 .../RX65N/RSK/wolfssl_demo/wolfssl_demo.c     | 51 +++++++++++++++++--
 2 files changed, 93 insertions(+), 6 deletions(-)

diff --git a/IDE/Renesas/e2studio/RX65N/GR-ROSE/common/wolfssl_dummy.c b/IDE/Renesas/e2studio/RX65N/GR-ROSE/common/wolfssl_dummy.c
index 857f9c346a..c0455de659 100644
--- a/IDE/Renesas/e2studio/RX65N/GR-ROSE/common/wolfssl_dummy.c
+++ b/IDE/Renesas/e2studio/RX65N/GR-ROSE/common/wolfssl_dummy.c
@@ -18,17 +18,59 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
  */
-
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include <wolfssl/wolfcrypt/wc_port.h>
 
-#define YEAR 2024
-#define MON  7
+#define DEFAULT_YEAR 2024
+#define DEFAULT_MONTH 9
 
+static int YEAR;
+static int MON;
+static int IsYearMonSet = 0;
 static int tick = 0;
+static char* month[12] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul",
+                                    "Aug", "Sep", "Oct", "Nov", "Dec"};
+
+static int char2mon(char* mon)
+{
+	int i;
+
+	for (i = 0;i < 12; i++){
+		if (strcmp(month[i], mon) == 0) {
+			break;
+		}
+	}
+	return (i+1);
+}
+
+static void setTime()
+{
+                 /*01234567890*/
+	char buf[12];/*Mmm dd yyyy*/
+
+	sprintf(buf, "%s", __DATE__);
+	/* convert year to int */
+	buf[11] = '\0';
+	YEAR = atoi(&buf[7]);
+	if (YEAR == 0)
+        YEAR = DEFAULT_YEAR;
+
+	/* convert month to int */
+	buf[3] = '\0';
+	MON = char2mon(buf);
+	if (MON == 13)
+		MON = DEFAULT_MONTH;
+
+	IsYearMonSet = 1;
+}
 
 time_t time(time_t *t)
 {
     (void)t;
+    if(!IsYearMonSet)
+        setTime();
     return ((YEAR-1970)*365+30*MON)*24*60*60 + tick++;
 }
 
diff --git a/IDE/Renesas/e2studio/RX65N/RSK/wolfssl_demo/wolfssl_demo.c b/IDE/Renesas/e2studio/RX65N/RSK/wolfssl_demo/wolfssl_demo.c
index df6cbd3b31..21edaff4e7 100644
--- a/IDE/Renesas/e2studio/RX65N/RSK/wolfssl_demo/wolfssl_demo.c
+++ b/IDE/Renesas/e2studio/RX65N/RSK/wolfssl_demo/wolfssl_demo.c
@@ -30,7 +30,6 @@
 #include "platform/iot_network.h"
 #include "platform.h"
 
-
 #include <wolfssl/wolfcrypt/settings.h>
 #include "wolfssl/ssl.h"
 #include <wolfssl/wolfio.h>
@@ -61,19 +60,65 @@
 
 #define TLSSERVER_IP      "192.168.10.6"
 #define TLSSERVER_PORT    11111
-#define YEAR 2024
-#define MON  9
 #define FREQ 10000 /* Hz */
 
 static long         tick;
 static int          tmTick;
 
+#define DEFAULT_YEAR 2024
+#define DEFAULT_MONTH 9
+
+static int YEAR;
+static int MON;
+static int IsYearMonSet = 0;
+static char* month[12] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul",
+                                    "Aug", "Sep", "Oct", "Nov", "Dec"};
+
+/* char2mon
+ * convert month to integer
+ */
+static int char2mon(char* mon)
+{
+	int i;
+
+	for (i = 0;i < 12; i++){
+		if (strcmp(month[i], mon) == 0) {
+			break;
+		}
+	}
+	return (i+1);
+}
+/* setTiime
+ * set year and month from __DATE__
+ */
+static void setTime()
+{
+                 /*01234567890*/
+	char buf[12];/*Mmm dd yyyy*/
+
+	sprintf(buf, "%s", __DATE__);
+	/* convert year to int */
+	buf[11] = '\0';
+	YEAR = atoi(&buf[7]);
+	if (YEAR == 0)
+        YEAR = DEFAULT_YEAR;
+
+	/* convert month to int */
+	buf[3] = '\0';
+	MON = char2mon(buf);
+	if (MON == 13)
+		MON = DEFAULT_MONTH;
+
+	IsYearMonSet = 1;
+}
 /* time
  * returns seconds from EPOCH
  */
 time_t time(time_t *t)
 {
     (void)t;
+    if(!IsYearMonSet)
+        setTime();
     return ((YEAR-1970)*365+30*MON)*24*60*60 + tmTick++;
 }