In the below code, the “Data” variable has the scope and life only in the function “Fun”. If you try to read the value of Data after calling the Fun() using the pointer may you will get the correct value (5)
Even if the memory is only read once the pointer becomes dangling, it can lead to information leaks (if interesting data is put in the next structure allocated there) or to privilege escalation (if the now-invalid memory is used in security checks). 一旦该指针成为迷途指针,即使这段内存是只...
9.The method of claim 1, wherein using the balanced binary tree data structure and the status table data structure comprises, in response to reading an address pointed to by a pointer:determining a status of the pointer by referencing the pointer within the status table;where the status of ...
The void pointer within C is a pointer that is not allied with any data types. This points to some data location within the storage means points to that address of variables. It is also known as a general-purpose pointer. In C, malloc() and calloc() functions return void * or generic...