From 49d6a7a827baa6ff7250371021693c5b6e7b987b Mon Sep 17 00:00:00 2001
From: Nick Van Doorn <vandoorn.nick@gmail.com>
Date: Mon, 18 Dec 2017 09:16:40 -0800
Subject: Implement helper to flatten res array

---
 util.c | 9 +++++++++
 util.h | 2 ++
 2 files changed, 11 insertions(+)

diff --git a/util.c b/util.c
index 8d1830f..66e717c 100644
--- a/util.c
+++ b/util.c
@@ -111,6 +111,15 @@ le_result_t gpio_setHigh (int pin) {
   return gpio_setValue(pin, HIGH);
 }
 
+le_result_t util_flattenRes (le_result_t *res, int nRes) {
+  for (int i = 0; i < nRes; i++) {
+    le_result_t *resPtr = res + i;
+    if (*resPtr != LE_OK) return *resPtr;
+  }
+  return LE_OK;
+}
+
+// Functions below are deprecated
 void delayMicro (unsigned long microsecs) {
   unsigned long retTime = getTimeMicrosecs() + microsecs;
   while (getTimeMicrosecs() < retTime);
diff --git a/util.h b/util.h
index 668e37d..93d0e12 100644
--- a/util.h
+++ b/util.h
@@ -34,4 +34,6 @@ void delayMicro (unsigned long microsecs);
 void delayMilli (unsigned long millisecs);
 long getTimeMicrosecs ();
 
+le_result_t util_flattenRes (le_result_t *res, int nRes);
+
 #endif
-- 
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