Make copy of RegContentMemory on open

Author: pschatzmann

src/FileSystems/FileSystemMemory.h

@@ -169,7 +169,9 @@ class FileSystemMemory : public FileSystem {
       FS_LOGW("open: entry invalid: %s", path);
       return -1;
     }
-    entry.content = mem_entry.content;
+    // copy content, so that we can delete the entry.content when it is closed
+    entry.content = new RegContentMemory();
+    *entry.content = *mem_entry.content;
     return entry.fileID;
   }
 

src/FileSystems/Registry.h

@@ -90,6 +90,7 @@ struct RegEntry {
   RegEntry() = default;
   ~RegEntry() {
     if (content != nullptr) {
+      FS_LOGD("~RegEntry: %s", file_name);
       delete content;
       content = nullptr;
     }
@@ -193,9 +194,6 @@ class Registry {
     FS_TRACED();
     RegEntry *p_entry = open_files[fileID];
     if (p_entry != nullptr) {
-      if (p_entry->content != nullptr) {
-        delete p_entry->content;
-      }
       delete p_entry;
       open_files[fileID] = nullptr;
     }