3 ms·
And he didn't get all the details right. realloc(valid_pointer,0); IS defined (in C89 no less) to act like free(). It is NOT operating system dependent.
by spc476 13y ago
And he didn't get all the details right.
realloc(valid_pointer,0);
IS defined (in C89 no less) to act like free(). It is NOT operating system dependent.
- pfacka 13y agoTrue, but return type of free() is void, thus it says nothing about return value. The POSIX says: "If size is 0, either a null pointer or a unique pointer that can be successfully passed to free() shall be returned."