diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ac8f968
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,20 @@
+# Compiled source #
+###################
+*.com
+*.class
+*.dll
+*.exe
+*.o
+*.so
+*.pyc
+
+# Logs and databases #
+######################
+*.log
+
+# OS generated files #
+######################
+.DS_Store*
+ehthumbs.db
+Icon?
+Thumbs.db
diff --git a/example/nginx/boundary.lua b/example/nginx/boundary.lua
index 5aeb6f1..8b6c589 100644
--- a/example/nginx/boundary.lua
+++ b/example/nginx/boundary.lua
@@ -8,7 +8,7 @@ function get(ct)
     if not ct then return false end
     local _,_,boundary = string.find (ct, "boundary%=(.-)$")
     if not boundary then return false end
-    return  "--"..boundary 
+    return  "--"..boundary
 end
 
 --
@@ -17,13 +17,13 @@ end
 function split(...)
     local request_data, boundary = ...
 
-    if not request_data then return false end; 
-    if not boundary then return false end; 
+    if not request_data then return false end;
+    if not boundary then return false end;
 
     local files, posts = {}, {}
 
     local post_temp = nginx.kit.split(request_data, boundary)
-    for i,pd in ipairs(post_temp) do 
+    for i,pd in ipairs(post_temp) do
 
         local headers = {}
         local hdrdata, post_val = string.match(pd, "(.+)\r\n\r\n(.+)\r\n")
@@ -48,13 +48,13 @@ function split(...)
                 local file = {}
                 file['type'] = headers["content-type"]
                 file['name'] = t["filename"]
-                file['data'] = post_val; 
-                file['size'] = string.len(post_val); 
+                file['data'] = post_val;
+                file['size'] = string.len(post_val);
 
                 files[t.name] = file
             else
-                posts[t.name] = post_val 
-            end 
+                posts[t.name] = post_val
+            end
         end
     end
 
diff --git a/example/nginx/urlcode.lua b/example/nginx/urlcode.lua
index 9a29f2b..da999a0 100644
--- a/example/nginx/urlcode.lua
+++ b/example/nginx/urlcode.lua
@@ -54,7 +54,7 @@ function insertfield (args, name, value)
 end
 
 ----------------------------------------------------------------------------
--- Parse url-encoded request data 
+-- Parse url-encoded request data
 --   (the query part of the script URL or url-encoded post data)
 --
 --  Each decoded (name=value) pair is inserted into table [[args]]
@@ -90,6 +90,6 @@ function encodetable (args)
       strp = strp.."&"..escape(key).."="..escape(val)
     end
   end
-  -- remove first & 
+  -- remove first &
   return string.sub(strp,2)
 end
diff --git a/example/t1.lua b/example/t1.lua
index f765cdc..a6e4175 100644
--- a/example/t1.lua
+++ b/example/t1.lua
@@ -38,10 +38,10 @@ local f = io.open('/root/480x480.png', 'rb')
 f:close()
 --ngx.print(ngx.set_cookie)
 local t = os.time()
-ngx.set_cookie('love1', "me") -- name, value, expire, path, domain, secure 
---ngx.set_cookie('love2', "me", 100) -- name, value, expire, path, domain, secure 
---ngx.set_cookie('love3', '123456') -- name, value, expire, path, domain, secure 
---ngx.set_cookie('isopen', 'true', 1000, '/', '192.168.137.126') -- name, value, expire, path, domain, secure 
+ngx.set_cookie('love1', "me") -- name, value, expire, path, domain, secure
+--ngx.set_cookie('love2', "me", 100) -- name, value, expire, path, domain, secure
+--ngx.set_cookie('love3', '123456') -- name, value, expire, path, domain, secure
+--ngx.set_cookie('isopen', 'true', 1000, '/', '192.168.137.126') -- name, value, expire, path, domain, secure
 ngx.set_header('X-Memc-Flags', "11111111111111");
 ngx.set_header('X-Memc-Flags', "2222222222222222222222222");
 ngx.set_header('X-Memc-Flags', "f1111122222222333333334444445");
diff --git a/example/t3.lua b/example/t3.lua
index ec7cb6a..51b405d 100644
--- a/example/t3.lua
+++ b/example/t3.lua
@@ -1,7 +1,7 @@
 --Copyright (c) 2011-2015 Zhihua Zhang (alacner@gmail.com)
 --ngx.set_header('Location', "http://www.google.com");
---ngx.set_cookie('love', '123456') -- name, value, expire, path, domain, secure 
---ngx.set_cookie('aa', 'ssssss') -- name, value, expire, path, domain, secure 
+--ngx.set_cookie('love', '123456') -- name, value, expire, path, domain, secure
+--ngx.set_cookie('aa', 'ssssss') -- name, value, expire, path, domain, secure
 print = ngx.print
 local kit = require("kit")
 local print_r  = kit.print_r
@@ -31,10 +31,10 @@ local f = io.open('/root/480x480.png', 'rb')
 f:close()
 --ngx.print(ngx.set_cookie)
 local t = os.time()
-ngx.set_cookie('love1', "me") -- name, value, expire, path, domain, secure 
---ngx.set_cookie('love2', "me", 100) -- name, value, expire, path, domain, secure 
---ngx.set_cookie('love3', '123456') -- name, value, expire, path, domain, secure 
---ngx.set_cookie('isopen', 'true', 1000, '/', '192.168.137.126') -- name, value, expire, path, domain, secure 
+ngx.set_cookie('love1', "me") -- name, value, expire, path, domain, secure
+--ngx.set_cookie('love2', "me", 100) -- name, value, expire, path, domain, secure
+--ngx.set_cookie('love3', '123456') -- name, value, expire, path, domain, secure
+--ngx.set_cookie('isopen', 'true', 1000, '/', '192.168.137.126') -- name, value, expire, path, domain, secure
 ngx.set_header('X-Memc-Flags', "11111111111111");
 ngx.set_header('X-Memc-Flags', "2222222222222222222222222");
 ngx.set_header('X-Memc-Flags', "f1111122222222333333334444445");
diff --git a/src/ngx_http_lua_module.c b/src/ngx_http_lua_module.c
index 828b197..2970032 100644
--- a/src/ngx_http_lua_module.c
+++ b/src/ngx_http_lua_module.c
@@ -16,7 +16,7 @@
 #include "lauxlib.h"
 #include "lualib.h"
 
-#define safe_emalloc(nmemb, size, offset)  malloc((nmemb) * (size) + (offset)) 
+#define safe_emalloc(nmemb, size, offset)  malloc((nmemb) * (size) + (offset))
 
 
 typedef struct {
@@ -520,22 +520,22 @@ luaF_ngx_set_cookie (lua_State *L)
         lua_pushfstring(L, "; expires=%s", p);
         cnt++;
     }
-    
+
     if (path != NULL) {
         lua_pushfstring(L, "; path=%s", path);
         cnt++;
     }
-    
+
     if (domain != NULL) {
         lua_pushfstring(L, "; domain=%s", domain);
         cnt++;
     }
-    
+
     if (secure) {
         lua_pushfstring(L, "; secure");
         cnt++;
     }
-    
+
     if (http_only) {
         lua_pushfstring(L, "; HttpOnly");
         cnt++;
@@ -625,7 +625,7 @@ static ngx_int_t ngx_set_http_out_header(ngx_http_request_t *r, char *key, char
 
     if (strcasecmp("Content-Type", key) == 0) { /* if key: content-type */
         len = ngx_strlen(value);
-        r->headers_out.content_type_len = len; 
+        r->headers_out.content_type_len = len;
         r->headers_out.content_type.len = len;
         r->headers_out.content_type.data = (u_char *)value;
         r->headers_out.content_type_lowcase = NULL;
diff --git a/src/strtok_r.c b/src/strtok_r.c
index 7519fd1..2219baa 100644
--- a/src/strtok_r.c
+++ b/src/strtok_r.c
@@ -13,11 +13,11 @@
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notices, this list of conditions and the following disclaimer.
- * 
+ *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notices, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 
+ *
  * 3. All advertising materials mentioning features or use of this software
  *    must display the following acknowledgement:
  *