From 1e37dad1fc37f7626fa0c83441940bab673ef4c5 Mon Sep 17 00:00:00 2001
From: Nick Van Doorn <vandoorn.nick@gmail.com>
Date: Tue, 30 Jan 2018 09:27:08 -0800
Subject: Add helper to get mtime of file

---
 util.c | 10 ++++++++++
 util.h |  1 +
 2 files changed, 11 insertions(+)

diff --git a/util.c b/util.c
index 6d79f5d..d1858e0 100644
--- a/util.c
+++ b/util.c
@@ -125,6 +125,16 @@ int util_getUnixDatetime () {
   return tv.tv_sec;
 }
 
+/**
+ * Get the last modified datetime
+ * of the file at path
+ */
+time_t util_getMTime (char *path) {
+  struct stat st;
+  if (stat(path, &st) != 0) return -1;
+  else return st.st_mtime;
+}
+
 /**
  * Convenience function to get current time as uint64_t.
  *
diff --git a/util.h b/util.h
index a706588..12cf5eb 100644
--- a/util.h
+++ b/util.h
@@ -35,6 +35,7 @@ void delayMilli (unsigned long millisecs);
 long getTimeMicrosecs ();
 uint64_t GetCurrentTimestamp (void);
 
+time_t util_getMTime (char *path);
 int util_getUnixDatetime ();
 le_result_t util_flattenRes (le_result_t *res, int nRes);
 
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