From 5fc1dfdc7457dc327cc10d19f26e3de4da04a7b1 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jos=C3=A9=20Roberto=20de=20Souza?=
 <zehortigoza@profusion.mobi>
Date: Fri, 21 Sep 2012 22:43:58 +0000
Subject: [PATCH] edbus: Fix memory leak in 
 edbus_signal_handler_match_extra_set()
MIME-Version: 1.0
Content-Type: text/plain; charset=utf8
Content-Transfer-Encoding: 8bit

And allow values == "" in match_extra_set()

Patch by: José Roberto de Souza  <zehortigoza@profusion.mobi>



SVN revision: 77004
---
 src/examples/banshee.c         | 29 ++++++++++++-----------------
 src/lib/edbus_signal_handler.c | 25 ++++++++++++++-----------
 2 files changed, 26 insertions(+), 28 deletions(-)

diff --git a/src/examples/banshee.c b/src/examples/banshee.c
index 2134c26..389962f 100644
--- a/src/examples/banshee.c
+++ b/src/examples/banshee.c
@@ -141,11 +141,7 @@ on_name_owner_changed_by_id(void *data, const EDBus_Message *msg)
    if (!edbus_message_arguments_get(msg, "sss", &bus, &older_id, &new_id))
      printf("Error getting arguments from NameOwnerChanged");
 
-   printf("on_name_owner_changed_by_id bus = %s older=%s new=%s\n\n",
-          bus, older_id, new_id);
-
-   if (!new_id[0])
-     edbus_signal_handler_unref(sh3);
+   printf("banshee started on id=%s\n", new_id);
 }
 
 static void
@@ -160,18 +156,6 @@ on_name_owner_changed(void *data, const EDBus_Message *msg)
      printf("Error getting arguments from NameOwnerChanged");
 
    printf("bus = %s older=%s new=%s\n\n", bus, older_id, new_id);
-
-   if (new_id[0])
-     {
-        sh4 = edbus_signal_handler_add(conn,
-                                  EDBUS_FDO_BUS,
-                                  EDBUS_FDO_PATH,
-                                  EDBUS_FDO_INTERFACE,
-                                  "NameOwnerChanged",
-                                  on_name_owner_changed_by_id,
-                                  NULL);
-        edbus_signal_handler_match_extra_set(sh4, "arg1", new_id, NULL);
-     }
 }
 
 int
@@ -276,6 +260,17 @@ main(void)
                                   NULL);
    edbus_signal_handler_match_extra_set(sh3, "arg0", "org.bansheeproject.Banshee", NULL);
 
+   sh4 = edbus_signal_handler_add(conn,
+                                  EDBUS_FDO_BUS,
+                                  EDBUS_FDO_PATH,
+                                  EDBUS_FDO_INTERFACE,
+                                  "NameOwnerChanged",
+                                  on_name_owner_changed_by_id,
+                                  NULL);
+   edbus_signal_handler_match_extra_set(sh4,
+                                        "arg0", "org.bansheeproject.Banshee",
+                                        "arg1", "", NULL);
+
    ecore_timer_add(50, _timer1_cb, NULL);
 
    ecore_main_loop_begin();
diff --git a/src/lib/edbus_signal_handler.c b/src/lib/edbus_signal_handler.c
index e852ba6..f5192db 100644
--- a/src/lib/edbus_signal_handler.c
+++ b/src/lib/edbus_signal_handler.c
@@ -51,7 +51,7 @@ edbus_signal_handler_shutdown(void)
 static void
 _match_append(Eina_Strbuf *match, const char *key, const char *value)
 {
-   if (value == NULL || !value[0]) return;
+   if (!value) return;
 
    if ((eina_strbuf_length_get(match) + strlen(",=''") + strlen(key) + strlen(value))
        >= DBUS_MAXIMUM_MATCH_RULE_LENGTH)
@@ -79,7 +79,7 @@ EAPI Eina_Bool
 edbus_signal_handler_match_extra_set(EDBus_Signal_Handler *sh, ...)
 {
    va_list ap;
-   char *key = NULL, *value;
+   char *key = NULL, *read;
    Signal_Argument *arg;
    DBusError err;
 
@@ -91,30 +91,33 @@ edbus_signal_handler_match_extra_set(EDBus_Signal_Handler *sh, ...)
    EINA_SAFETY_ON_TRUE_RETURN_VAL(dbus_error_is_set(&err), EINA_FALSE);
 
    va_start(ap, sh);
-   do
+   for (read = va_arg(ap, char *); read; read = va_arg(ap, char *))
      {
         if (!key)
           {
-             key = va_arg(ap, char *);
+             key = read;
              continue;
           }
-        value = va_arg(ap, char *);
         arg = calloc(1, sizeof(Signal_Argument));
         EINA_SAFETY_ON_NULL_GOTO(arg, error);
-
         if (!strncmp(key, ARGX, strlen(ARGX)))
           {
-             int id = atoi(key+strlen(ARGX)-1);
-             arg->index = (unsigned short)id;
-             arg->value = eina_stringshare_add(value);
+             int id = atoi(key + strlen(ARGX));
+             arg->index = (unsigned short) id;
+             arg->value = eina_stringshare_add(read);
              sh->args = eina_inlist_sorted_state_insert(sh->args,
                                                         EINA_INLIST_GET(arg),
                                                         _sort_arg,
                                                         sh->state_args);
-             _match_append(sh->match, key, value);
+             _match_append(sh->match, key, read);
+          }
+        else
+          {
+             ERR("%s not supported", key);
+             free(arg);
           }
         key = NULL;
-     } while(key);
+     }
    va_end(ap);
 
    dbus_error_init(&err);
-- 
2.7.4