diff --git a/backends/twitter/libtwitcurl/urlencode.cpp b/backends/twitter/libtwitcurl/urlencode.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..8a906b25ac4e0de06f3ad8150b6bfaf4f28c4302
--- /dev/null
+++ b/backends/twitter/libtwitcurl/urlencode.cpp
@@ -0,0 +1,40 @@
+#include "urlencode.h"
+
+std::string char2hex( char dec )
+{
+	char dig1 = (dec&0xF0)>>4;
+	char dig2 = (dec&0x0F);
+	if ( 0<= dig1 && dig1<= 9) dig1+=48;    //0,48 in ascii
+	if (10<= dig1 && dig1<=15) dig1+=65-10; //A,65 in ascii
+	if ( 0<= dig2 && dig2<= 9) dig2+=48;
+	if (10<= dig2 && dig2<=15) dig2+=65-10;
+
+    std::string r;
+	r.append( &dig1, 1);
+	r.append( &dig2, 1);
+	return r;
+}
+
+std::string urlencode( const std::string &c )
+{
+
+    std::string escaped;
+	int max = c.length();
+	for(int i=0; i<max; i++)
+	{
+		if ( (48 <= c[i] && c[i] <= 57) ||//0-9
+			(65 <= c[i] && c[i] <= 90) ||//ABC...XYZ
+			(97 <= c[i] && c[i] <= 122) || //abc...xyz
+			(c[i]=='~' || c[i]=='-' || c[i]=='_' || c[i]=='.')
+			)
+		{
+			escaped.append( &c[i], 1);
+		}
+		else
+		{
+			escaped.append("%");
+			escaped.append( char2hex(c[i]) );//converts char 255 to string "FF"
+		}
+	}
+	return escaped;
+}
\ No newline at end of file