char outfilename[FILENAME_MAX] = " ";

sick

On Tue, Mar 31, 2015 at 7:06 PM, Phil Freeman <
eyeball_entertainment_at_hotmail.com> wrote:

> Hi folks,
>
>
> I've recently incorporated libcurl into a piece of software in development
> (vs 2010 exp., c++) which is a plugin for use in a well-known animation
> package. But I'm coming across an error and are unsure how to navigate it.
> The error is that when I use the line
> curl_easy_setopt(curl,CURLOPT_WRITEDATA,fp) the file won't close with
> fclose(). If I comment out the offending line, the file closes without
> issue. The code below is pretty much what is being used, minus a few lines
> used for printing etc:
>
>
> char outfilename[FILENAME_MAX] = " ";
>
> // The path is set here using a custom string
> // element. The path is good - the file turns
> // up in the right location.
> for(int i = 1; i <= save_path.GetLength();)
> {
> outfilename[i-1] = save_path.operator[](i-1);
> i++;
> }
>
> curl = curl_easy_init();
>
> if(curl != NULL)
> {
> fp = fopen(outfilename,"wb");
>
> if(fp == NULL)
> {
> MessageDialog(String("Unable to continue: " + String(strerror(errno)) +
> ". Returning."));
> curl_easy_cleanup(curl);
> return FALSE;
> }
>
> curl_easy_setopt(curl,CURLOPT_URL,"http://www.google.com/robots.txt");
> curl_easy_setopt(curl,CURLOPT_WRITEFUNCTION,WriteCallback);
> curl_easy_setopt(curl,CURLOPT_WRITEDATA,fp); // <-- take mental note of
> this line
>
> curl_easy_perform(curl);
>
> // why is the file 'closing' with errno -1 (Bad file descriptor) when
> // the curl_easy_setopt(curl,CURLOPT_WRITEDATA,fp) command is called?
>
> int fclo = fclose(fp); // fclose() fails
> if(fclo != NULL)
> {
> GePrint("Close file error: " + String(strerror(errno))); // custom
> print, prints 'Bad file descriptor'
> }
>
> GePrint("fclose(): " + LongToString(fclo)); // custom print function,
> prints -1
> curl_easy_cleanup(curl);
> }
>
>
> The file is made in the correct location (I've tried a few both on c:
> drive and other drives) but the file is always 0kb in size. I'm suspecting
> it might be a admin privileges issue, but will leave the judgement to
> someone in the know. No other libraries associated with libcurl are
> installed other than libcurl itself. Running version 7.41.0. Any assistance
> appreciated.
>
>
> WickedP
> (Website not yet available.)
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Received on 2015-04-01