We need to see more of your code, but it sounds like you forgot to allocate
memory?
On Sep 24, 2009 5:12 AM, "Yoni" <[email protected]> wrote:
Hi All,
I was trying to run valgrind using exp-ptrcheck, and i keep getting
errors on a perfectly good code.
I am not a valgrind expert, but I looked a bit on ptrcheck code, and I
could not understand how it can work.
As I understand, every instruction is classified in the first use, and
in the second time ptrcheck will compare the current status to the
previews one (in helperc__mem_access).
This approach could generate false alarms when you change a pointer
legitimately (for example, by passing a pointer to pointer as an
argument to a functions).
that is what generating the error in my case: the following line
generated an error
char **p;
....
(*p)[len] = 0;
and when i changed it to:
char **p, *tmp;
...
tmp = (*p);
tmp[len] = 0;
It was OK.
I would love if someone could explain to me this approach.
Thanks,
Yoni.
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