From 15f51fc1f804a86928448f5a54a2850a291cfc73 Mon Sep 17 00:00:00 2001
From: Tom Igoe <tom.igoe@gmail.com>
Date: Mon, 29 Nov 2010 11:31:00 -0500
Subject: added toInt() function to WString

---
 cores/arduino/WString.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'cores/arduino/WString.cpp')

diff --git a/cores/arduino/WString.cpp b/cores/arduino/WString.cpp
index 2718956..b13123b 100644
--- a/cores/arduino/WString.cpp
+++ b/cores/arduino/WString.cpp
@@ -434,3 +434,19 @@ void String::toCharArray(char *buf, unsigned int bufsize)
   strncpy(buf, _buffer, len);
   buf[len] = 0;
 }
+
+
+long String::toInt() {
+  String temp = _buffer;
+  long value = 0;
+  
+  for (unsigned int charPos = 0; charPos < _length; charPos++) {
+    int thisChar = temp[charPos];
+    if (isdigit(thisChar)) {
+      value *= 10;
+      value += (thisChar - '0');
+    }
+  }
+  
+  return value;
+}
-- 
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