libzip :

- aggiornamento alla versione 1.10.0.

zip_source_rollback_write.c

@@ -3,7 +3,7 @@
   Copyright (C) 2014-2021 Dieter Baron and Thomas Klausner
 
   This file is part of libzip, a library to manipulate ZIP archives.
-  The authors can be contacted at <libzip@nih.at>
+  The authors can be contacted at <info@libzip.org>
 
   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions
@@ -37,6 +37,10 @@
 
 ZIP_EXTERN void
 zip_source_rollback_write(zip_source_t *src) {
+    if (ZIP_SOURCE_IS_LAYERED(src)) {
+        return;
+    }
+
     if (src->write_state != ZIP_SOURCE_WRITE_OPEN && src->write_state != ZIP_SOURCE_WRITE_FAILED) {
         return;
     }