Merge pull request 'Mainly some memory leaks fixes' (#8) from endes/mangareader:broken-patch-1 into main

Reviewed-on: https://gitea.sergiotarxz.freemyip.com/sergiotarxz/mangareader/pulls/8

AUTHORS.md

@@ -1,2 +1,3 @@
 Sergiotarxz sergiotarxz@posteo.net Project leader and developer [Gitea](https://gitea.sergiotarxz.freemyip.com/sergiotarxz)
 Germe.db FOSSgerme.deb@tuta.io  Author of the icon openmg.svg. [sr.ht](https://sr.ht/~germe-fur/)
+Endes endes@disroot.org Developer [Github](https://github.com/endes0)

openmg.supp

@@ -0,0 +1,36 @@
+#
+# Valgrind suppression file for mangareader. 
+# Warning: This file is very generic, so a real memory leak might be suppressed.
+# Also, some false positives are still captured
+#
+# Format specification:
+# http://valgrind.org/docs/manual/manual-core.html#manual-core.suppress
+#
+{
+   gtk4
+   Memcheck:Leak
+   ...
+   obj:/usr/lib/x86_64-linux-gnu/libgtk-4.so.1.600.0
+   ...
+}
+{
+   glib
+   Memcheck:Leak
+   ...
+   obj:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.7100.0
+   ...
+}
+{
+   fontconfig
+   Memcheck:Leak
+   ...
+   obj:/usr/lib/x86_64-linux-gnu/libfontconfig.so.1.12.0
+   ...
+}
+{
+   gallium
+   Memcheck:Leak
+   ...
+   obj:/usr/lib/x86_64-linux-gnu/GL/default/lib/dri/libgallium_dri.so
+   ...
+}

src/backend/readmng.c

@@ -409,6 +409,7 @@ cleanup_mg_backend_readmng_retrieve_manga_details:
     if (movie_detail) {
         g_free (movie_detail);
     }
+    xmlFreeDoc(html_document);
 }
 
 static GListStore *
@@ -453,6 +454,9 @@ cleanup_mg_backend_readmng_recover_chapter_list:
         xmlXPathFreeObject(xpath_result);
     }
     if (uls) {
+        for (size_t i = 0; i < ul_len; i++) {
+            xmlFreeNode(uls[i]);
+        }
         g_free (uls);
     }
     return return_value;
@@ -588,6 +592,7 @@ mg_backend_readmng_parse_main_page (MgBackendReadmng *self, const xmlDocPtr html
         xmlFreeNode (current_li);
         li[i] = NULL;
     }
+    xmlFreeNode(slides);
     g_free (li);
     return mangas;
 }
@@ -643,6 +648,11 @@ cleanup_mg_backend_readmng_retrieve_slides:
         xmlXPathFreeObject(xpath_result);
     }
     if (nodes) {
+        for (size_t i = 1; i < matching_classes_len; i++)
+        {
+            xmlFreeNode(nodes[i]);
+        }
+        
         g_free (nodes);
     }
     return slides;