From 023f44bacf18d837cf651360c2514c8aa88b8b8d Mon Sep 17 00:00:00 2001
From: toddouska <todd@wolfssl.com>
Date: Fri, 13 Mar 2015 12:44:25 -0700
Subject: [PATCH] fix github issue #31, allow time overrides for all time uses

---
 wolfcrypt/src/asn.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/wolfcrypt/src/asn.c b/wolfcrypt/src/asn.c
index 1d549ed24..aa418347d 100644
--- a/wolfcrypt/src/asn.c
+++ b/wolfcrypt/src/asn.c
@@ -156,6 +156,34 @@
         #define XTIME(tl)  time((tl))
     #endif /* STACK_TRAP */
 
+#elif defined(TIME_OVERRIDES)
+    /* user would like to override time() and gmtime() functionality */
+
+    #ifndef HAVE_TIME_T_TYPE
+        typedef long time_t;
+    #endif
+    extern time_t XTIME(time_t * timer);
+
+    #ifndef HAVE_TM_TYPE
+        struct tm {
+            int  tm_sec;     /* seconds after the minute [0-60] */
+            int  tm_min;     /* minutes after the hour [0-59] */
+            int  tm_hour;    /* hours since midnight [0-23] */
+            int  tm_mday;    /* day of the month [1-31] */
+            int  tm_mon;     /* months since January [0-11] */
+            int  tm_year;    /* years since 1900 */
+            int  tm_wday;    /* days since Sunday [0-6] */
+            int  tm_yday;    /* days since January 1 [0-365] */
+            int  tm_isdst;   /* Daylight Savings Time flag */
+            long tm_gmtoff;  /* offset from CUT in seconds */
+            char *tm_zone;   /* timezone abbreviation */
+        };
+    #endif
+    extern struct tm* XGMTIME(const time_t* timer);
+
+    #ifndef HAVE_VALIDATE_DATE
+        #define XVALIDATE_DATE(d, f, t) ValidateDate((d), (f), (t))
+    #endif
 #else
     /* default */
     /* uses complete <time.h> facility */