diff --git a/src/auxiliar.c b/src/auxiliar.c
index 9514970..3396fc1 100644
--- a/src/auxiliar.c
+++ b/src/auxiliar.c
@@ -8,6 +8,7 @@
 #include <stdio.h>
 
 #include "auxiliar.h"
+#include "lua_typeerror.h"
 
 /*=========================================================================*\
 * Exported functions
@@ -24,7 +25,7 @@ int auxiliar_open(lua_State *L) {
 * Creates a new class with given methods
 * Methods whose names start with __ are passed directly to the metatable.
 \*-------------------------------------------------------------------------*/
-void auxiliar_newclass(lua_State *L, const char *classname, luaL_reg *func) {
+void auxiliar_newclass(lua_State *L, const char *classname, luaL_Reg *func) {
     luaL_newmetatable(L, classname); /* mt */
     /* create __index table to place methods */
     lua_pushstring(L, "__index");    /* mt,"__index" */
@@ -81,7 +82,7 @@ void auxiliar_add2group(lua_State *L, const char *classname, const char *groupna
 \*-------------------------------------------------------------------------*/
 int auxiliar_checkboolean(lua_State *L, int objidx) {
     if (!lua_isboolean(L, objidx))
-        luaL_typerror(L, objidx, lua_typename(L, LUA_TBOOLEAN));
+        luaL_typeerror(L, objidx, lua_typename(L, LUA_TBOOLEAN));
     return lua_toboolean(L, objidx);
 }
 
diff --git a/src/auxiliar.h b/src/auxiliar.h
index 57a2ecc..c53b39e 100644
--- a/src/auxiliar.h
+++ b/src/auxiliar.h
@@ -33,7 +33,7 @@
 #include "lauxlib.h"
 
 int auxiliar_open(lua_State *L);
-void auxiliar_newclass(lua_State *L, const char *classname, luaL_reg *func);
+void auxiliar_newclass(lua_State *L, const char *classname, luaL_Reg *func);
 void auxiliar_add2group(lua_State *L, const char *classname, const char *group);
 void auxiliar_setclass(lua_State *L, const char *classname, int objidx);
 void *auxiliar_checkclass(lua_State *L, const char *classname, int objidx);
diff --git a/src/buffer.c b/src/buffer.c
index fbe00eb..8d90598 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -231,7 +231,7 @@ static int recvline(p_buffer buf, luaL_Buffer *b) {
         pos = 0;
         while (pos < count && data[pos] != '\n') {
             /* we ignore all \r's */
-            if (data[pos] != '\r') luaL_putchar(b, data[pos]);
+            if (data[pos] != '\r') luaL_addchar(b, data[pos]);
             pos++;
         }
         if (pos < count) { /* found '\n' */
diff --git a/src/except.c b/src/except.c
index 5faa5be..97c00a3 100644
--- a/src/except.c
+++ b/src/except.c
@@ -21,7 +21,7 @@ static int finalize(lua_State *L);
 static int do_nothing(lua_State *L);
 
 /* except functions */
-static luaL_reg func[] = {
+static luaL_Reg func[] = {
     {"newtry",    global_newtry},
     {"protect",   global_protect},
     {NULL,        NULL}
diff --git a/src/inet.c b/src/inet.c
index 571b838..dc24390 100644
--- a/src/inet.c
+++ b/src/inet.c
@@ -22,7 +22,7 @@ static void inet_pushresolved(lua_State *L, struct hostent *hp);
 static int inet_global_gethostname(lua_State *L);
 
 /* DNS functions */
-static luaL_reg func[] = {
+static luaL_Reg func[] = {
     { "toip", inet_global_toip},
     { "getaddrinfo", inet_global_getaddrinfo},
     { "tohostname", inet_global_tohostname},
diff --git a/src/luasocket.c b/src/luasocket.c
index 3b29e8e..b43114e 100644
--- a/src/luasocket.c
+++ b/src/luasocket.c
@@ -45,7 +45,7 @@ static int base_open(lua_State *L);
 /*-------------------------------------------------------------------------*\
 * Modules and functions
 \*-------------------------------------------------------------------------*/
-static const luaL_reg mod[] = {
+static const luaL_Reg mod[] = {
     {"auxiliar", auxiliar_open},
     {"except", except_open},
     {"timeout", timeout_open},
@@ -57,7 +57,7 @@ static const luaL_reg mod[] = {
     {NULL, NULL}
 };
 
-static luaL_reg func[] = {
+static luaL_Reg func[] = {
     {"skip",      global_skip},
     {"__unload",  global_unload},
     {NULL,        NULL}
diff --git a/src/luasocket.h b/src/luasocket.h
index 3949421..608ff7b 100644
--- a/src/luasocket.h
+++ b/src/luasocket.h
@@ -11,7 +11,7 @@
 /*-------------------------------------------------------------------------*\
 * Current socket library version
 \*-------------------------------------------------------------------------*/
-#define LUASOCKET_VERSION    "LuaSocket 2.1.0"
+#define LUASOCKET_VERSION    "LuaSocket 2.1.1"
 #define LUASOCKET_COPYRIGHT  "Copyright (C) 1999-2011 Diego Nehab"
 #define LUASOCKET_AUTHORS    "Diego Nehab"
 
@@ -22,6 +22,10 @@
 #define LUASOCKET_API extern
 #endif
 
+#if LUA_VERSION_NUM	> 501 & !( defined LUA_COMPAT_MODULE)
+#	error Lua 5.2 requires LUA_COMPAT_MODULE defined for luaL_openlib
+#endif
+
 /*-------------------------------------------------------------------------*\
 * Initializes the library.
 \*-------------------------------------------------------------------------*/
diff --git a/src/makefile b/src/makefile
index 9768ba1..b7c22da 100644
--- a/src/makefile
+++ b/src/makefile
@@ -2,9 +2,13 @@ PLAT?=macosx
 
 INSTALL_DATA=cp
 INSTALL_EXEC=cp
-INSTALL_TOP=/opt/local
+#INSTALL_TOP=/opt/local
+INSTALL_TOP=./
+
+#LUAINC_macosx=/opt/local/include
+LUAINC_macosx=../../../../projects/lua_env/luaenv/lua_versions/lua-5.2.0-beta/src
+#LUAINC_macosx=../../../../projects/lua_env/luaenv/lua_versions/lua-5.1.4/src
 
-LUAINC_macosx=/opt/local/include
 LUAINC_linux=/usr/include/lua5.1
 LUAINC_win32="../../lua-5.1.3/src"
 LUALIB_win32="../../lua-5.1.3"
@@ -12,11 +16,15 @@ LUALIB_win32="../../lua-5.1.3"
 #------
 # Install directories
 #
-INSTALL_TOP_SHARE=$(INSTALL_TOP)/share/lua/5.1
-INSTALL_TOP_LIB=$(INSTALL_TOP)/lib/lua/5.1
+#INSTALL_TOP_SHARE=$(INSTALL_TOP)/share/lua/5.1
+#INSTALL_TOP_LIB=$(INSTALL_TOP)/lib/lua/5.1
+INSTALL_TOP_SHARE=$(INSTALL_TOP)/share/lua/5.2
+INSTALL_TOP_LIB=$(INSTALL_TOP)/lib/lua/5.2
+
 INSTALL_SOCKET_SHARE=$(INSTALL_TOP_SHARE)/socket
 INSTALL_SOCKET_LIB=$(INSTALL_TOP_LIB)/socket
-INSTALL_MIME_SHARE=$(INSTALL_TOP_SHARE)/mime
+#INSTALL_MIME_SHARE=$(INSTALL_TOP_SHARE)/mime
+INSTALL_MIME_SHARE=$(INSTALL_TOP_SHARE)/foo/mime
 INSTALL_MIME_LIB=$(INSTALL_TOP_LIB)/mime
 
 #------
@@ -30,7 +38,7 @@ PLATS= macosx linux win32
 SO_macosx=so
 O_macosx=o
 CC_macosx=gcc
-DEF_macosx= -DLUASOCKET_DEBUG -DUNIX_HAS_SUN_LEN \
+DEF_macosx= -DLUASOCKET_DEBUG -DUNIX_HAS_SUN_LEN -DLUA_COMPAT_MODULE \
 	-DLUASOCKET_API='__attribute__((visibility("default")))' \
 	-DMIME_API='__attribute__((visibility("default")))'
 CFLAGS_macosx= -I$(LUAINC) $(DEF) -pedantic -Wall -O2 -fno-common \
@@ -84,7 +92,7 @@ SOCKET_win32=wsocket.obj
 #
 SO=$(SO_$(PLAT))
 O=$(O_$(PLAT))
-SOCKET_V=2.0.3
+SOCKET_V=2.1.1
 MIME_V=1.0.3
 SOCKET_SO=socket.$(SO).$(SOCKET_V)
 MIME_SO=mime.$(SO).$(MIME_V)
@@ -117,7 +125,8 @@ SOCKET_OBJS= \
 	except.$(O) \
 	select.$(O) \
 	tcp.$(O) \
-	udp.$(O)
+	udp.$(O) \
+	lua_typeerror.$(O)
 
 #------
 # Modules belonging mime-core
@@ -135,7 +144,8 @@ UNIX_OBJS=\
 	timeout.$(O) \
 	io.$(O) \
 	usocket.$(O) \
-	unix.$(O)
+	unix.$(O) \
+	lua_typeerror.$(O)
 
 #------
 # Files to install
diff --git a/src/mime.c b/src/mime.c
index a1d7065..023559f 100644
--- a/src/mime.c
+++ b/src/mime.c
@@ -48,7 +48,7 @@ static size_t qpencode(UC c, UC *input, size_t size,
 static size_t qppad(UC *input, size_t size, luaL_Buffer *buffer);
 
 /* code support functions */
-static luaL_reg func[] = {
+static luaL_Reg func[] = {
     { "dot", mime_global_dot },
     { "b64", mime_global_b64 },
     { "eol", mime_global_eol },
@@ -135,7 +135,7 @@ static int mime_global_wrp(lua_State *L)
                     left = length;
                     luaL_addstring(&buffer, CRLF);
                 }
-                luaL_putchar(&buffer, *input);
+                luaL_addchar(&buffer, *input);
                 left--;
                 break;
         }
@@ -374,9 +374,9 @@ static void qpsetup(UC *cl, UC *unbase)
 \*-------------------------------------------------------------------------*/
 static void qpquote(UC c, luaL_Buffer *buffer)
 {
-    luaL_putchar(buffer, '=');
-    luaL_putchar(buffer, qpbase[c >> 4]);
-    luaL_putchar(buffer, qpbase[c & 0x0F]);
+    luaL_addchar(buffer, '=');
+    luaL_addchar(buffer, qpbase[c >> 4]);
+    luaL_addchar(buffer, qpbase[c & 0x0F]);
 }
 
 /*-------------------------------------------------------------------------*\
@@ -406,7 +406,7 @@ static size_t qpencode(UC c, UC *input, size_t size,
                     qpquote(input[0], buffer);
                     luaL_addstring(buffer, marker);
                     return 0;
-                } else luaL_putchar(buffer, input[0]);
+                } else luaL_addchar(buffer, input[0]);
                 break;
                 /* might have to be quoted always */
             case QP_QUOTED:
@@ -414,7 +414,7 @@ static size_t qpencode(UC c, UC *input, size_t size,
                 break;
                 /* might never have to be quoted */
             default:
-                luaL_putchar(buffer, input[0]);
+                luaL_addchar(buffer, input[0]);
                 break;
         }
         input[0] = input[1]; input[1] = input[2];
@@ -430,7 +430,7 @@ static size_t qppad(UC *input, size_t size, luaL_Buffer *buffer)
 {
     size_t i;
     for (i = 0; i < size; i++) {
-        if (qpclass[input[i]] == QP_PLAIN) luaL_putchar(buffer, input[i]);
+        if (qpclass[input[i]] == QP_PLAIN) luaL_addchar(buffer, input[i]);
         else qpquote(input[i], buffer);
     }
     if (size > 0) luaL_addstring(buffer, EQCRLF);
@@ -500,7 +500,7 @@ static size_t qpdecode(UC c, UC *input, size_t size, luaL_Buffer *buffer) {
             c = qpunbase[input[1]]; d = qpunbase[input[2]];
             /* if it is an invalid, do not decode */
             if (c > 15 || d > 15) luaL_addlstring(buffer, (char *)input, 3);
-            else luaL_putchar(buffer, (c << 4) + d);
+            else luaL_addchar(buffer, (c << 4) + d);
             return 0;
         case '\r':
             if (size < 2) return size; 
@@ -508,7 +508,7 @@ static size_t qpdecode(UC c, UC *input, size_t size, luaL_Buffer *buffer) {
             return 0;
         default:
             if (input[0] == '\t' || (input[0] > 31 && input[0] < 127))
-                luaL_putchar(buffer, input[0]);
+                luaL_addchar(buffer, input[0]);
             return 0;
     }
 }
@@ -593,7 +593,7 @@ static int mime_global_qpwrp(lua_State *L)
                     left = length;
                     luaL_addstring(&buffer, EQCRLF);
                 } 
-                luaL_putchar(&buffer, *input);
+                luaL_addchar(&buffer, *input);
                 left--;
                 break;
             default: 
@@ -601,7 +601,7 @@ static int mime_global_qpwrp(lua_State *L)
                     left = length;
                     luaL_addstring(&buffer, EQCRLF);
                 }
-                luaL_putchar(&buffer, *input);
+                luaL_addchar(&buffer, *input);
                 left--;
                 break;
         }
@@ -636,7 +636,7 @@ static int eolprocess(int c, int last, const char *marker,
             return c;
         }
     } else {
-        luaL_putchar(buffer, c);
+        luaL_addchar(buffer, c);
         return 0;
     }
 }
@@ -676,7 +676,7 @@ static int mime_global_eol(lua_State *L)
 \*-------------------------------------------------------------------------*/
 static size_t dot(int c, size_t state, luaL_Buffer *buffer)
 {
-    luaL_putchar(buffer, c);
+    luaL_addchar(buffer, c);
     switch (c) {
         case '\r': 
             return 1;
@@ -684,7 +684,7 @@ static size_t dot(int c, size_t state, luaL_Buffer *buffer)
             return (state == 1)? 2: 0; 
         case '.':  
             if (state == 2) 
-                luaL_putchar(buffer, '.');
+                luaL_addchar(buffer, '.');
         default:
             return 0;
     }
diff --git a/src/options.c b/src/options.c
index 281a00f..801adf9 100644
--- a/src/options.c
+++ b/src/options.c
@@ -11,6 +11,7 @@
 #include "auxiliar.h"
 #include "options.h"
 #include "inet.h"
+#include "lua_typeerror.h"
 
 /*=========================================================================*\
 * Internal functions prototypes
@@ -99,7 +100,7 @@ int opt_get_ip_multicast_loop(lua_State *L, p_socket ps)
 int opt_set_linger(lua_State *L, p_socket ps)
 {
     struct linger li;                      /* obj, name, table */
-    if (!lua_istable(L, 3)) luaL_typerror(L, 3, lua_typename(L, LUA_TTABLE));
+    if (!lua_istable(L, 3)) luaL_typeerror(L, 3, lua_typename(L, LUA_TTABLE));
     lua_pushstring(L, "on");
     lua_gettable(L, 3);
     if (!lua_isboolean(L, -1)) 
@@ -165,7 +166,7 @@ int opt_set_ip6_v6only(lua_State *L, p_socket ps)
 static int opt_setmembership(lua_State *L, p_socket ps, int level, int name)
 {
     struct ip_mreq val;                   /* obj, name, table */
-    if (!lua_istable(L, 3)) luaL_typerror(L, 3, lua_typename(L, LUA_TTABLE));
+    if (!lua_istable(L, 3)) luaL_typeerror(L, 3, lua_typename(L, LUA_TTABLE));
     lua_pushstring(L, "multiaddr");
     lua_gettable(L, 3);
     if (!lua_isstring(L, -1)) 
diff --git a/src/select.c b/src/select.c
index 0931b73..87b5dc2 100644
--- a/src/select.c
+++ b/src/select.c
@@ -27,7 +27,7 @@ static void make_assoc(lua_State *L, int tab);
 static int global_select(lua_State *L);
 
 /* functions in library namespace */
-static luaL_reg func[] = {
+static luaL_Reg func[] = {
     {"select", global_select},
     {NULL,     NULL}
 };
diff --git a/src/tcp.c b/src/tcp.c
index b069136..19ee73c 100644
--- a/src/tcp.c
+++ b/src/tcp.c
@@ -40,7 +40,7 @@ static int meth_setfd(lua_State *L);
 static int meth_dirty(lua_State *L);
 
 /* tcp object methods */
-static luaL_reg tcp_methods[] = {
+static luaL_Reg tcp_methods[] = {
     {"__gc",        meth_close},
     {"__tostring",  auxiliar_tostring},
     {"accept",      meth_accept},
@@ -76,7 +76,7 @@ static t_opt optset[] = {
 };
 
 /* functions in library namespace */
-static luaL_reg func[] = {
+static luaL_Reg func[] = {
     {"tcp", global_create},
     {"tcp6", global_create6},
     {"connect6", global_connect6},
diff --git a/src/timeout.c b/src/timeout.c
index cc7309c..a3f1318 100644
--- a/src/timeout.c
+++ b/src/timeout.c
@@ -35,7 +35,7 @@
 static int timeout_lua_gettime(lua_State *L);
 static int timeout_lua_sleep(lua_State *L);
 
-static luaL_reg func[] = {
+static luaL_Reg func[] = {
     { "gettime", timeout_lua_gettime },
     { "sleep", timeout_lua_sleep },
     { NULL, NULL }
diff --git a/src/udp.c b/src/udp.c
index cc04fc8..13007fb 100644
--- a/src/udp.c
+++ b/src/udp.c
@@ -45,7 +45,7 @@ static int meth_setfd(lua_State *L);
 static int meth_dirty(lua_State *L);
 
 /* udp object methods */
-static luaL_reg udp_methods[] = {
+static luaL_Reg udp_methods[] = {
     {"__gc",        meth_close},
     {"__tostring",  auxiliar_tostring},
     {"close",       meth_close},
@@ -89,7 +89,7 @@ static t_opt optget[] = {
 };
 
 /* functions in library namespace */
-static luaL_reg func[] = {
+static luaL_Reg func[] = {
     {"udp", global_create},
     {"udp6", global_create6},
     {NULL, NULL}
diff --git a/src/unix.c b/src/unix.c
index 6962517..b08d325 100644
--- a/src/unix.c
+++ b/src/unix.c
@@ -39,7 +39,7 @@ static const char *unix_tryconnect(p_unix un, const char *path);
 static const char *unix_trybind(p_unix un, const char *path);
 
 /* unix object methods */
-static luaL_reg un[] = {
+static luaL_Reg un[] = {
     {"__gc",        meth_close},
     {"__tostring",  auxiliar_tostring},
     {"accept",      meth_accept},
@@ -71,7 +71,7 @@ static t_opt optset[] = {
 };
 
 /* our socket creation function */
-static luaL_reg func[] = {
+static luaL_Reg func[] = {
     {"unix", global_create},
     {NULL,          NULL}
 };
diff --git a/test/testclnt.lua b/test/testclnt.lua
index 4c2f211..ad3741a 100644
--- a/test/testclnt.lua
+++ b/test/testclnt.lua
@@ -4,8 +4,7 @@ host = host or "localhost"
 port = port or "8383"
 
 function printf(...)
-    local s = string.format(unpack(arg))
-    io.stderr:write(s)
+    io.stderr:write(string.format(...))
 end
 
 function pass(...)
@@ -21,12 +20,12 @@ function fail(...)
 end
 
 function warn(...)
-    local s = string.format(unpack(arg))
+    local s = string.format(...)
     io.stderr:write("WARNING: ", s, "\n")
 end
 
 function remote(...)
-    local s = string.format(unpack(arg))
+    local s = string.format(...)
     s = string.gsub(s, "\n", ";")
     s = string.gsub(s, "%s+", " ")
     s = string.gsub(s, "^%s*", "")
@@ -141,6 +140,9 @@ remote "data:send(str); data:close()"
 end
 
 ------------------------------------------------------------------------
+if not math.mod then
+	math.mod = math.fmod
+end
 function test_asciiline(len)
     reconnect()
     io.stderr:write("length " .. len .. ": ")
@@ -445,7 +447,10 @@ end
 
 ------------------------------------------------------------------------
 function rebind_test()
-    local c = socket.bind("localhost", 0)
+    local c ,c1 = socket.bind("localhost", 0)
+    if not c then pass ("failed to bind! " .. c .. ' ' .. c1)  return end
+	assert(c,c1)
+ 
     local i, p = c:getsockname()
     local s, e = socket.tcp()
     assert(s, e)
diff --git a/test/testsrvr.lua b/test/testsrvr.lua
index f1972c2..7ddff6e 100644
--- a/test/testsrvr.lua
+++ b/test/testsrvr.lua
@@ -10,6 +10,6 @@ while 1 do
         command = assert(control:receive());
         assert(control:send(ack));
         print(command);
-        (loadstring(command))();
+		(load(command))();
     end
 end