Re: Unexpected Access Violation when calling WriteFile()

Article View: borland.public.cppbuilder.nativeapi

Article #13235

Back to borland.public.cppbuilder.nativeapi Previous Next

#13235

From: Bob Gonder
Date: Tue, 21 Oct 2003 17:09

20 lines
1746 bytes

Fernando wrote:

>I'm trying to extract a resource from my exe and then save it to a file.  When
>I try to save it, I get an access violation.  :-?
>
>I suspect the culprit is my usage of the API function WriteFile(), but I'm not

You are right.  What is the type of bytesWritten and where is the
value stored? That is, when WriteFile places the count of bytes
actually written, where is that value going? Use the debugger to see
what you are actually passing to WriteFile as the address.

>  bool writeToFile( HANDLE aFileHandle, void * data,  DWORD numOfBytes )
>  {
>    LPDWORD bytesWritten;
>    return ::WriteFile( aFileHandle, data, numOfBytes,
>                        bytesWritten,
>                        NULL );
>  }
>

Technical Details

Message-ID: <jmpapvg0tigrsthluasplsn5cvc3ussvhl@4ax.com>

Path:

arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!news.maxwell.syr.edu!eusc.inter.net!newsfeed01.sul.t-online.de!t-online.de!newsgroups.borland.com!not-for-mail

References: <7bhapvkde568fjnf10ruf9t114kirltdr5@4ax.com>

Show Full Headers

Complete Article Headers

X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 10cc67,6fe7d1767c79674a
X-Google-Attributes: gid10cc67,public
X-Google-ArrivalTime: 2003-10-21 10:14:58 PST
From: Bob Gonder <notbg@notmindspring.invalid>
Newsgroups: borland.public.cppbuilder.nativeapi
Subject: Re: Unexpected Access Violation when calling WriteFile()
Date: Tue, 21 Oct 2003 10:09:07 -0700
Organization: MindSpring Enterprises, Inc.
Reply-To: notbg@notmindspring.invalid
Message-ID: <jmpapvg0tigrsthluasplsn5cvc3ussvhl@4ax.com>
References: <7bhapvkde568fjnf10ruf9t114kirltdr5@4ax.com>
X-Newsreader: Forte Agent 1.91/32.564
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
NNTP-Posting-Host: 65.56.159.172
X-Trace: newsgroups.borland.com 1066756153 65.56.159.172 (21 Oct 2003 10:09:13 -0700)
Lines: 21
Path: arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!news.maxwell.syr.edu!eusc.inter.net!newsfeed01.sul.t-online.de!t-online.de!newsgroups.borland.com!not-for-mail

Reply to Parent Message