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Re: libstdc++/6594: strstreambuf leaks 16 bytes - gcc 3.0.x
- From: bkoz at gcc dot gnu dot org
- To: bkoz at gcc dot gnu dot org, edh at twcny dot rr dot com, gcc-bugs at gcc dot gnu dot org, gcc-prs at gcc dot gnu dot org, nobody at gcc dot gnu dot org
- Date: 15 May 2002 12:57:31 -0000
- Subject: Re: libstdc++/6594: strstreambuf leaks 16 bytes - gcc 3.0.x
- Reply-to: bkoz at gcc dot gnu dot org, bkoz at gcc dot gnu dot org, edh at twcny dot rr dot com, gcc-bugs at gcc dot gnu dot org, gcc-prs at gcc dot gnu dot org, nobody at gcc dot gnu dot org, gcc-gnats at gcc dot gnu dot org
Synopsis: strstreambuf leaks 16 bytes - gcc 3.0.x
Responsible-Changed-From-To: unassigned->bkoz
Responsible-Changed-By: bkoz
Responsible-Changed-When: Wed May 15 05:57:30 2002
Responsible-Changed-Why:
Mine.
State-Changed-From-To: open->feedback
State-Changed-By: bkoz
State-Changed-When: Wed May 15 05:57:30 2002
State-Changed-Why:
So it does....
strstream.cc: 69 has
strstreambuf::strstreambuf(streamsize initial_capacity)
: _Base(),
_M_alloc_fun(0), _M_free_fun(0),
_M_dynamic(true), _M_frozen(false), _M_constant(false)
{
streamsize n = max(initial_capacity, streamsize(16));
char* buf = _M_alloc(n);
if (buf) {
setp(buf, buf + n);
setg(buf, buf, buf);
}
Wow.
Are you aware that this class has been deprecated by std::stringstream? You might consider using it instead.
However, it turns out that the bug is pretty easy to fix. You might try this, and let me know how it goes.
2002-05-15 Benjamin Kosnik <bkoz@redhat.com>
PR libstdc++/6594
* src/strstream.cc (strstreambuf): Fix leak.
The patch is here:
http://gcc.gnu.org/ml/gcc-patches/2002-05/msg01204.html
best,
benjamin
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=6594