Gabriele Bartolini writes:
> Ciao Loic,
>
> excuse me, but ... can you give me a little explaination? And, how can I
> run purify by myself? What do I need? I am curious and I want to learn
> using it.
Unfortunately purify is a commercial product and you can't use it. That's
very sad because it's an incredibly usefull product. Maybe someone will
want to introduce dmalloc or/and electric fence to htdig.
> >**** Purify instrumented ../htdig/htdig (pid 24516) ****
> >FMR: Free memory read:
This code reads from memory that was freed (free()). Following is the
stack frame at the moment of the error:
> > * This is occurring while in:
> > String::allocate_space(int) [String.cc:570]
> > String::operator =(const String&) [String.cc:98]
> > Document::Retrieve(HtDateTime) [HtHTTP.h:146]
> > Retriever::parse_url(URLRef&) [Retriever.cc:431]
> > Retriever::Start() [Retriever.cc:305]
> > main [htdig.cc:290]
> > _start [crt1.o]
The memory location in which the error occured was malloc'ed before being
free. The malloc occured at the following point in the code (stack frame):
> > * Reading 4 bytes from 0x3714c8 in the heap.
> > * Address 0x3714c8 is 8336 bytes into a freed block at 0x36f438 of 8696
> bytes.
> > * This block was allocated from:
> > malloc [rtlib.o]
> > __bUiLtIn_nEw [new1.cc]
> > __builtin_new [rtlib.o]
> > Document::Retrieve(HtDateTime) [Document.cc:211]
> > Server::Server(char*,int) [Server.cc:83]
> > Retriever::Initial(const String&,int) [Retriever.cc:157]
> > main [htdig.cc:285]
> > _start [crt1.o]
The code that was responsible for the apparently incorrect free
was called at this point (stack frame):
> > * There have been 75 frees since this block was freed from:
> > free [rtlib.o]
> > __bUiLtIn_dElEtE [new2.cc]
> > __builtin_delete [rtlib.o]
> > Transport::~Transport() [Object.h:31]
> > HtHTTP::~HtHTTP() [HtHTTP.cc:124]
> > Document::~Document() [Document.cc:99]
> > Server::Server(char*,int) [Server.cc:82]
> > Retriever::Initial(const String&,int) [Retriever.cc:157]
> > main [htdig.cc:285]
> > _start [crt1.o]
>
Claro ?-)
--
Loic Dachary
ECILA
100 av. du Gal Leclerc
93500 Pantin - France
Tel: 33 1 56 96 10 85
e-mail: [EMAIL PROTECTED]
URL: http://www.senga.org/
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