Re: malloc attributes and realloc

[Gabriel Dos Reis <gdr at integrable-solutions dot net>]

Robert Dewar <dewar@gnat.com> writes:

| Gabriel Dos Reis wrote:
| > dewar@gnat.com (Robert Dewar) writes:
| 
| > Not really.  As Joseph pointed out earlier, if you save the pointer
| > value in an array of unsigned char and latter do bits compare, you can
| > safely determine whether realloc returns the same pointer or not.
| 
| Are you sure? Interestingly this one interpretation would make garbage
| collection in C impossible, are you sure that is the intent? Why?

I don't know why.  But it is no different from grabbing some storage,
printing the value of its start on stdout and reading it back and use
it. 

-- Gaby