Re: std::string to BSTR conversion function leaks memory... (Urgent please)

Article View: borland.public.cppbuilder.nativeapi

Article #11821

Back to borland.public.cppbuilder.nativeapi Previous Next

#11821

From: Ed Mulroy [TeamB]
Date: Fri, 16 Jan 2004 15:30

37 lines
1936 bytes

I can't see anything that leaks in that code.  Could it be that the program
which uses the function does not free the returned string with
SysFreeString?

.  Ed

> Fernando wrote in message
> news:bjlf005pg85nvabmpc7ksd5ugs624tua53@4ax.com...
>
> Allthough CodeGuard doesn't report it, this function leaks memory:
>
>   BSTR string2BSTR( const string & input )
>   {
>
>     int destSize = input.size() + 1;
>     wchar_t * rc;
>     wchar_t * wc = new wchar_t[destSize];
>     BSTR res;
>
>     rc = ::StringToWideChar(input.c_str(), wc, destSize);
>
>     if( rc == wc )
>       {
>         // it worked
>         res = ::SysAllocString(wc);
>       }
>     else
>       {
>         // it didn't
>         res = ::SysAllocString(L"");
>       }
>
>     delete[] wc;
>     return res;
>   }
>
> I can't find the error... What am I doing wrong? O:-)

Technical Details

Message-ID: <4008039f$1@newsgroups.borland.com>

Path:

arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!news.maxwell.syr.edu!newsfeed.icl.net!newsfeed.fjserv.net!news-FFM2.ecrc.net!newsfeed00.sul.t-online.de!newsfeed01.sul.t-online.de!t-online.de!newsgroups.borland.com!not-for-mail

References: <bjlf005pg85nvabmpc7ksd5ugs624tua53@4ax.com>

Show Full Headers

Complete Article Headers

X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 10cc67,61db49fd5c05f5b0
X-Google-Attributes: gid10cc67,public
X-Google-ArrivalTime: 2004-01-16 07:40:38 PST
From: "Ed Mulroy [TeamB]" <dont_email_me@bitbuc.ket>
Newsgroups: borland.public.cppbuilder.nativeapi
References: <bjlf005pg85nvabmpc7ksd5ugs624tua53@4ax.com>
Subject: Re: std::string to BSTR conversion function leaks memory... (Urgent please)
Date: Fri, 16 Jan 2004 10:30:38 -0500
Lines: 39
X-Priority: 3
X-MSMail-Priority: Normal
X-Newsreader: Microsoft Outlook Express 6.00.2800.1158
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106
NNTP-Posting-Host: 24.74.175.102
Message-ID: <4008039f$1@newsgroups.borland.com>
X-Trace: newsgroups.borland.com 1074267039 24.74.175.102 (16 Jan 2004 07:30:39 -0700)
X-Authenticated-User: edmulroy
Path: arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!news.maxwell.syr.edu!newsfeed.icl.net!newsfeed.fjserv.net!news-FFM2.ecrc.net!newsfeed00.sul.t-online.de!newsfeed01.sul.t-online.de!t-online.de!newsgroups.borland.com!not-for-mail

Reply to Parent Message