xmlFreeDoc
xmlFreeDoc is a function provided by the libxml2 library. Its primary purpose is to deallocate the memory occupied by an XML document structure. When an XML document is parsed using libxml2, it is represented internally as a tree-like data structure. This structure consumes memory. The xmlFreeDoc function is used to release this memory back to the system, preventing memory leaks.
To use xmlFreeDoc, you first need to have a pointer to an xmlDocPtr, which is the type
Properly using xmlFreeDoc is crucial for efficient memory management in applications that extensively use XML parsing.