Add of "modifier" hook, migration of charset plugin to new API, SIGHUP signal catched (reload all config files), better config files reloading

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

@@ -110,19 +110,20 @@ weechat_perl_exec (struct t_plugin_script *script,
     char *func;
     unsigned int count;
     void *ret_value;
-    int *ret_i, mem_err;
+    int *ret_i, mem_err, length;
     SV *ret_s;
 
     /* this code is placed here to conform ISO C90 */
     dSP;
     
 #ifndef MULTIPLICITY
-    int size = strlen (script->interpreter) + strlen(function) + 3;
-    func = (char *)malloc (size * sizeof(char));
+    int length = strlen (script->interpreter) + strlen (function) + 3;
+    func = (char *)malloc (length * sizeof(char));
     if (!func)
 	return NULL;
-    snprintf (func, size, "%s::%s", (char *) script->interpreter, function);
+    snprintf (func, length, "%s::%s", (char *) script->interpreter, function);
 #else
+    (void) length;
     func = function;
     PERL_SET_CONTEXT (script->interpreter);
 #endif    

src/plugins/scripts/script-api.c

@@ -385,6 +385,42 @@ script_api_hook_completion (struct t_weechat_plugin *weechat_plugin,
     return new_hook;
 }
 
+/*
+ * script_api_hook_modifier: hook a modifier
+ *                           return new hook, NULL if error
+ */
+
+struct t_hook *
+script_api_hook_modifier (struct t_weechat_plugin *weechat_plugin,
+                          struct t_plugin_script *script,
+                          char *modifier,
+                          char *(*callback)(void *data, char *modifier,
+                                            char *modifier_data, char *string),
+                          char *function)
+{
+    struct t_script_callback *new_script_callback;
+    struct t_hook *new_hook;
+    
+    new_script_callback = script_callback_alloc ();
+    if (!new_script_callback)
+        return NULL;
+    
+    new_hook = weechat_hook_modifier (modifier, callback, new_script_callback);
+    if (!new_hook)
+    {
+        free (new_script_callback);
+        return NULL;
+    }
+    
+    new_script_callback->script = script;
+    new_script_callback->function = strdup (function);
+    new_script_callback->hook = new_hook;
+    
+    script_callback_add (script, new_script_callback);
+    
+    return new_hook;
+}
+
 /*
  * script_api_unhook: unhook something
  *                    return 1 if ok, 0 if error

src/plugins/scripts/script-api.h

@@ -87,6 +87,14 @@ extern struct t_hook *script_api_hook_completion (struct t_weechat_plugin *weech
                                                                   struct t_gui_buffer *buffer,
                                                                   struct t_weelist *list),
                                                   char *function);
+extern struct t_hook *script_api_hook_modifier (struct t_weechat_plugin *weechat_plugin,
+                                                struct t_plugin_script *script,
+                                                char *modifier,
+                                                char *(*callback)(void *data,
+                                                                  char *modifier,
+                                                                  char *modifier_data,
+                                                                  char *string),
+                                                char *function);
 extern int script_api_unhook (struct t_weechat_plugin *weechat_plugin,
                               struct t_plugin_script *script,
                               struct t_hook *hook);