Merge pull request #18 from devurandom/fix/lua52

Full Lua 5.2 compatibility and adherance to modules-create-no-globals

README

@@ -22,6 +22,9 @@ Please check the documentation at doc/us/ for more information.
 History
 -------
 
+Version 1.6.2 [??/Oct/2012]
+	* Full Lua 5.2 compatibility (with Lua 5.1 fallbacks)
+
 Version 1.6.1 [01/Oct/2012]
 	* fix build for Lua 5.2
 

doc/us/examples.html

@@ -65,7 +65,7 @@
 attributes for each file inside it.</p>
 
 <pre class="example">
-require"lfs"
+local lfs = require"lfs"
 
 function attrdir (path)
     for file in lfs.dir(path) do

doc/us/index.html

@@ -71,7 +71,7 @@ the underlying directory structure and file attributes.</p>
 
 <h2><a name="status"></a>Status</h2>
 
-<p>Current version is 1.6.0. It was developed for Lua 5.1 but also
+<p>Current version is 1.6.2. It was developed for Lua 5.1 but also
   works with Lua 5.2.</p>
 
 <h2><a name="download"></a>Download</h2>
@@ -83,6 +83,11 @@ page.</p>
 <h2><a name="history"></a>History</h2>
 
 <dl class="history">
+	<dt><strong>Version 1.6.2</strong> [??/Oct/2012]</dt>
+	<dd><ul>
+        <li>Full Lua 5.2 compatibility (with Lua 5.1 fallbacks)</li>
+	</ul></dd>
+
 	<dt><strong>Version 1.6.1</strong> [01/Oct/2012]</dt>
 	<dd><ul>
         <li>fix build for Lua 5.2</li>

rockspecs/luafilesystem-1.6.2-1.rockspec

@@ -0,0 +1,27 @@
+package = "LuaFileSystem"
+
+version = "1.6.2-1"
+
+source = {
+   url = "https://github.com/downloads/keplerproject/luafilesystem/luafilesystem-1.6.2.tar.gz",
+}
+
+description = {
+   summary = "File System Library for the Lua Programming Language",
+   detailed = [[
+      LuaFileSystem is a Lua library developed to complement the set of
+      functions related to file systems offered by the standard Lua
+      distribution. LuaFileSystem offers a portable way to access the
+      underlying directory structure and file attributes.
+   ]]
+}
+
+dependencies = {
+   "lua >= 5.1"
+}
+
+build = {
+   type = "builtin",
+   modules = { lfs = "src/lfs.c" },
+   copy_directories = { "doc", "tests" }
+}

src/lfs.c

@@ -56,20 +56,17 @@
 #include <utime.h>
 #endif
 
-#define LUA_COMPAT_ALL
-#include "lua.h"
-#include "lauxlib.h"
-#include "lualib.h"
+#include <lua.h>
+#include <lauxlib.h>
+#include <lualib.h>
+
 #include "lfs.h"
 
-/*
- * ** compatibility with Lua 5.2
- * */
-#if (LUA_VERSION_NUM == 502)
-#undef luaL_register
-#define luaL_register(L,n,f) \
-                { if ((n) == NULL) luaL_setfuncs(L,f,0); else luaL_newlib(L,f); }
+#define LFS_VERSION "1.6.2"
+#define LFS_LIBNAME "lfs"
 
+#if LUA_VERSION_NUM < 502
+#  define luaL_newlib(L,l) (lua_newtable(L), luaL_register(L,NULL,l))
 #endif
 
 /* Define 'strerror' for systems that do not implement it */
@@ -856,7 +853,7 @@ static void set_info (lua_State *L) {
         lua_pushliteral (L, "LuaFileSystem is a Lua library developed to complement the set of functions related to file systems offered by the standard Lua distribution");
         lua_settable (L, -3);
         lua_pushliteral (L, "_VERSION");
-        lua_pushliteral (L, "LuaFileSystem 1.6.0");
+        lua_pushliteral (L, "LuaFileSystem "LFS_VERSION);
         lua_settable (L, -3);
 }
 
@@ -881,7 +878,9 @@ static const struct luaL_Reg fslib[] = {
 int luaopen_lfs (lua_State *L) {
         dir_create_meta (L);
         lock_create_meta (L);
-        luaL_register (L, "lfs", fslib);
+        luaL_newlib (L, fslib);
+        lua_pushvalue(L, -1);
+        lua_setglobal(L, LFS_LIBNAME);
         set_info (L);
         return 1;
 }