Use const void * for keys and values in some hashtable functions

src/plugins/relay/relay-client-irc.c

@@ -114,7 +114,7 @@ relay_client_irc_parse_message (const char *message)
                         weechat_prefix ("error"), RELAY_PLUGIN_NAME);
         goto end;
     }
-    weechat_hashtable_set (hash_msg, "message", (char *)message);
+    weechat_hashtable_set (hash_msg, "message", message);
     hash_parsed = weechat_info_get_hashtable ("irc_parse_message",
                                               hash_msg);
     if (!hash_parsed)

src/plugins/scripts/lua/weechat-lua.c

@@ -131,8 +131,8 @@ weechat_lua_tohashtable (lua_State *interpreter, int index, int hashtable_size)
     while (lua_next (interpreter, index - 1) != 0)
     {
         weechat_hashtable_set (hashtable,
-                               (char *)lua_tostring (interpreter, -2),
-                               (char *)lua_tostring (interpreter, -1));
+                               lua_tostring (interpreter, -2),
+                               lua_tostring (interpreter, -1));
         /* remove value from stack (keep key for next iteration) */
         lua_pop (interpreter, 1);
     }

src/plugins/scripts/python/weechat-python.c

@@ -148,7 +148,7 @@ weechat_python_dict_to_hashtable (PyObject *dict, int hashtable_size)
     {
         str_key = PyString_AsString (key);
         str_value = PyString_AsString (value);
-        weechat_hashtable_set (hashtable, (void *)str_key, (void *)str_value);
+        weechat_hashtable_set (hashtable, str_key, str_value);
     }
     
     return hashtable;

src/plugins/scripts/tcl/weechat-tcl.c

@@ -153,8 +153,8 @@ weechat_tcl_dict_to_hashtable (Tcl_Interp *interp, Tcl_Obj *dict,
         for (; !done ; Tcl_DictObjNext(&search, &key, &value, &done))
         {
             weechat_hashtable_set (hashtable,
-                                   (void *)Tcl_GetString (key),
-                                   (void *)Tcl_GetString (value));
+                                   Tcl_GetString (key),
+                                   Tcl_GetString (value));
         }
     }
     Tcl_DictObjDone(&search);

src/plugins/weechat-plugin.h

@@ -45,7 +45,7 @@ struct timeval;
  */
 
 /* API version (used to check that plugin has same API and can be loaded) */
-#define WEECHAT_PLUGIN_API_VERSION "20101011-01"
+#define WEECHAT_PLUGIN_API_VERSION "20101017-01"
 
 /* macros for defining plugin infos */
 #define WEECHAT_PLUGIN_NAME(__name)                                     \
@@ -260,10 +260,10 @@ struct t_weechat_plugin
                                                                  const void *key1,
                                                                  const void *key2));
     int (*hashtable_set_with_size) (struct t_hashtable *hashtable,
-                                    void *key, int key_size,
-                                    void *value, int value_size);
-    int (*hashtable_set) (struct t_hashtable *hashtable, void *key,
-                          void *value);
+                                    const void *key, int key_size,
+                                    const void *value, int value_size);
+    int (*hashtable_set) (struct t_hashtable *hashtable, const void *key,
+                          const void *value);
     void *(*hashtable_get) (struct t_hashtable *hashtable, const void *key);
     int (*hashtable_has_key) (struct t_hashtable *hashtable, const void *key);
     void (*hashtable_map) (struct t_hashtable *hashtable,