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spc476
on Feb 7, 2014
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Guide to Advanced Programming in C
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
on Feb 7, 2014
[–]
True, 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."
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