Memory cleanup.

src/backend/readmng.c

@@ -267,7 +267,9 @@ mg_backend_readmng_retrieve_manga_details (MgBackendReadmng *self,
     mg_manga_set_chapter_list (manga, manga_chapters);
     mg_manga_details_recovered (manga);
 cleanup_mg_backend_readmng_retrieve_manga_details:
-    g_free (movie_detail);
+    if (movie_detail) {
+        g_free (movie_detail);
+    }
 }
 
 static GListStore *
@@ -369,10 +371,12 @@ mg_backend_readmng_fetch_xml_details (MgBackendReadmng *self,
     request_url_len = snprintf ( NULL, 0, "%s/%s/", self->base_url, manga_id);
     request_url = mg_util_string_alloc_string (string_util, request_url_len); 
     snprintf ( request_url, request_url_len+1, "%s/%s/", self->base_url, manga_id);
+    g_free (manga_id);
 
     char *html_response = mg_util_soup_get_request (util_soup,
             request_url, &response_len);
-    g_object_unref (util_soup);
+    g_clear_object (&util_soup);
+    g_clear_object (&string_util);
     return htmlReadMemory (html_response, response_len, NULL, NULL,
             HTML_PARSE_RECOVER | HTML_PARSE_NODEFDTD
             | HTML_PARSE_NOERROR | HTML_PARSE_NOWARNING );
@@ -475,7 +479,9 @@ mg_backend_readmng_retrieve_slides (MgBackendReadmng *self, const xmlDocPtr html
         xmlXPathFreeObject(xpath_result);
     }
 cleanup_mg_backend_readmng_retrieve_slides:
-    g_free (nodes);
+    if (nodes) {
+        g_free (nodes);
+    }
     return slides;
 }
 
@@ -483,10 +489,16 @@ static xmlNodePtr
 mg_backend_readmng_retrieve_thumbnail_from_li (MgBackendReadmng *self, xmlNodePtr current_li) {
     size_t thumbnail_len = 0;
     MgUtilXML *xml_utils = self->xml_utils;
+    xmlNodePtr return_value = NULL;
     xmlNodePtr *thumbnail = mg_util_xml_find_class (xml_utils, current_li, "thumbnail",
             &thumbnail_len, NULL, 1);
-    if (thumbnail_len) return thumbnail[0];
+    if (!thumbnail_len) goto cleanup_mg_backend_retrieve_thumbnail_from_li;
-    return NULL;
+    return_value = thumbnail[0];
+cleanup_mg_backend_retrieve_thumbnail_from_li:
+    if (thumbnail) {
+        g_free (thumbnail);
+    }
+    return return_value;
 }
 
 static xmlNodePtr
@@ -535,6 +547,13 @@ mg_backend_readmng_extract_manga_info_from_current_li (MgBackendReadmng *self,
                 mg_manga_new (mg_util_xml_get_attr (xml_utils, img, "src"),
                     (char *)xmlNodeGetContent (title), id_manga));
     }
+
+    if (thumbnail) {
+        xmlFreeNode (thumbnail);
+    }
+    if (title) {
+        xmlFreeNode (title);
+    }
 }
 
 static xmlNodePtr

src/manga.c

@@ -99,31 +99,40 @@ mg_manga_details_recovered (MgManga *self) {
 char *
 mg_manga_get_id (MgManga *self) {
     GValue value = G_VALUE_INIT;
+    char *return_value = NULL;
     g_value_init (&value, G_TYPE_STRING);
     g_object_get_property (G_OBJECT (self),
             "id",
             &value);
-    return g_value_dup_string (&value);
+    return_value = g_value_dup_string (&value);
+    g_value_unset (&value);
+    return return_value;
 }
 
 char *
 mg_manga_get_image_url (MgManga *self) {
     GValue value = G_VALUE_INIT;
+    char *return_value = NULL;
     g_value_init (&value, G_TYPE_STRING);
     g_object_get_property (G_OBJECT (self),
             "image_url",
             &value);
-    return g_value_dup_string (&value);
+    return_value = g_value_dup_string (&value);
+    g_value_unset (&value);
+    return return_value;
 }
 
 char *
 mg_manga_get_title (MgManga *self) {
     GValue value = G_VALUE_INIT;
+    char *return_value = NULL;
     g_value_init (&value, G_TYPE_STRING);
     g_object_get_property (G_OBJECT (self),
             "title",
             &value);
-    return g_value_dup_string (&value);
+    return_value = g_value_dup_string (&value);
+    g_value_unset (&value);
+    return return_value;
 }
 
 char *

src/util/xml.c

@@ -57,6 +57,8 @@ mg_util_xml_find_class (MgUtilXML *self, xmlNodePtr node, char *class,
                 }
             }
         }
+        g_free (attr);
+        attr = NULL;
     }
 cleanup_mg_util_xml_find_class:
     if (attr) {

src/view/detail_manga.c

@@ -108,5 +108,6 @@ create_detail_view (MgManga *manga, AdwLeaflet *views_leaflet) {
     g_free (manga_title_text);
     g_free (title_text);
     g_free (description_text);
+    g_clear_object (&xml_util);
     return detail_view;
 }

src/view/main_view.c

@@ -87,12 +87,10 @@ int
 main_view_run (int argc,
         char **argv)
 {
-    AdwApplication *app;
+    AdwApplication *app = adw_application_new ("me.sergiotarxz.mangareader", G_APPLICATION_FLAGS_NONE);
-    int status;
+    int status = 0;
-
-    app = adw_application_new ("org.mangareader", G_APPLICATION_FLAGS_NONE);
     g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
     status = g_application_run (G_APPLICATION (app), argc, argv);
-    g_object_unref (app);
+    g_clear_object (&app);
     return status;
 }

src/view/picture.c

@@ -35,5 +35,6 @@ create_picture_from_url (char *url, gint picture_height) {
 
 cleanup_create_picture_from_url:
     g_free (downloaded_image);
+    g_clear_object (&util_soup);
     return picture;
 }