Python build compatible on both python 2 and 3

stdlib2cpp.py

@@ -6,11 +6,13 @@ t=str(sys.argv[1])
 
 sys.stdout.write("char stdlib_" + t + "_code[] = {\n")
 
-num = 0
-for line in sys.stdin:
-    for c in line:
-        num+=1
-        sys.stdout.write("0x%0.2X, " % ord(c))
-        if num%16 == 0:
-            sys.stdout.write("\n")
-sys.stdout.write("0 };\n")
+width = 16
+data = sys.stdin.read()
+for i in range(0, len(data), 1):
+    sys.stdout.write("0x%0.2X, " % ord(data[i:i+1]))
+
+    if i%width == (width-1):
+        sys.stdout.write("\n")
+
+sys.stdout.write("0x00 };\n\n")
+