validity of free() on later pointer operations

[Akira Takiguchi]

In article <1956 at runxtsa.runx.oz.au> edward at runxtsa.runx.oz.au (Edward Birch) writes:
|I quote the manual here:
|	The argument to "free" is a pointer to a block previosly allocated
|	by "malloc"; after "free" is performed this space is made available
|	for further allocation, but its contents are left undisturbed.
|
|The above manual entry implies that the following is correct although
|*strongly* unadvisible.

       It seems to me that the manual warns about the possibility of a
  security breach when you leave sensitive data in the free'ed space.
-- 
                                       Akira Takiguchi @ ATSON, Inc.