feat: made the module return a function

- also add lua lib path to the .so creation to ensure compilation
  (generally lua header files are not in the standrard compiler's search
  paths)
- remove boilerplate
- bare minimum of tests additions

1 files changed, 7 insertions, 21 deletions

diff --git a/lua_uuid.c b/lua_uuid.c
index e0eca64..94d76b1 100644
--- a/lua_uuid.c
+++ b/lua_uuid.c
@@ -1,42 +1,28 @@
 /***
-Utility for generating UUIDs
+Utility for generating UUIDs by wrapping libuuid's generate().
 
 @license MIT
 @module lua_uuid
 */
-#define LUA_LIB
 #include <lua.h>
 #include <lauxlib.h>
 #include <uuid/uuid.h>
 
-#if LUA_VERSION_NUM < 502
-# define luaL_newlib(L,l) (lua_newtable(L), luaL_register(L,NULL,l))
-# define lua_rawlen lua_objlen
-#endif
-
-/// Generate an UUID
+/// Generate a UUID
 // @return uuid_str
 // @function generate()
 static int generate(lua_State *L) {
-
-    // Generate UUID
     uuid_t uuid;
-    uuid_generate(uuid);
+    char uuid_str[37];
 
-    // Unparse to a string
-    char uuid_str[37]; // For example: "1b4e28ba-2fa1-11d2-883f-0016d3cca427" + "\0"
+    uuid_generate(uuid);
     uuid_unparse_lower(uuid, uuid_str);
 
     lua_pushstring(L, uuid_str);
     return 1;
 }
 
-static const luaL_Reg lua_uuid[] = {
-    {"generate", generate},
-    {NULL, NULL}
-};
-
-int luaopen_lua_uuid(lua_State *L){
-    luaL_newlib(L, lua_uuid);
+int luaopen_lua_uuid(lua_State *L) {
+    lua_pushcfunction(L, generate);
     return 1;
-}
\ No newline at end of file
+}