On June 17, 2005 06:27 am, you wrote:
> Hi All!
>
> The problem with binary files seems won't stop.
>
> I've got problems with binary files from any type.
> It makes no difference if this is an image file, archive file or
> something else...
> Now I'm really wondering what am I making wrong?!?!?!
>
> Does someone have any idea?
>

can you send the code?

> Thanks in advance!
> Ragards, Nazario.
>
> Jean-Philippe Barrette-LaPierre wrote:
> > On May 14, 2005 07:22 am, Nazario Cipriani wrote:
> >>Hi everybody.
> >>
> >>Seems like the problems with the binary files won't stop.
> >>But I don't know if it's a problem due to wrong usage of the lib or not.
> >>I think I'm doing all the right way...
> >
> > Hi, I'm back from vacation. Have you resolved your problem?
> >
> >>Well the problem is, that downloaded binary files seems to be corrupted.
> >>Now I'm wondering why this is so.
> >>
> >>This is the MemoryWriterClass I'm using (same as in post "Problems
> >>downloading binary files to memory"):
> >>
> >> class WriterMemoryClass
> >> {
> >> public:
> >> // Helper Class for reading result from remote host
> >> WriterMemoryClass()
> >> {
> >> this->m_pBuffer = NULL;
> >> this->m_pBuffer = (char*) malloc(MAX_FILE_LENGTH * sizeof(char));
> >> this->m_Size = 0;
> >> };
> >> ~WriterMemoryClass()
> >> {
> >> if (this->m_pBuffer)
> >> free(this->m_pBuffer);
> >> };
> >> static void* Realloc(void* ptr, size_t size)
> >> {
> >> if(ptr)
> >> return realloc(ptr, size);
> >> else
> >> return malloc(size);
> >> };
> >> // Callback must be declared static, otherwise it won't link...
> >> static size_t WriteMemoryCallback(char* ptr, size_t size, size_t
> >>nmemb, void* data)
> >> {
> >> // Calculate the real size of the incoming buffer
> >> size_t realsize = size * nmemb;
> >>
> >> // Cast the void* data pointer to WriterMemoryClass...
> >> WriterMemoryClass* Memory = (WriterMemoryClass*) data;
> >>
> >> // (Re)Allocate memory for the buffer
> >> Memory->m_pBuffer = (char*) Memory->Realloc(Memory->m_pBuffer,
> >>Memory->m_Size + realsize + 1);
> >>
> >> // Test if Buffer is initialized correctly & copy memory
> >> if (Memory->m_pBuffer)
> >> {
> >> memcpy(&(Memory->m_pBuffer[Memory->m_Size]), ptr, realsize);
> >> Memory->m_Size += realsize;
> >> Memory->m_pBuffer[Memory->m_Size] = 0;
> >> }
> >>
> >> // return the real size of the buffer...
> >> return realsize;
> >> };
> >>
> >> // Public member vars
> >> char* m_pBuffer;
> >> size_t m_Size;
> >> };
> >>
> >>For ASCII files all works fine.
> >>But the same code doesn't seem to work for binary files.
> >>
> >>I've tried downloading a zip file from host with its original size of
> >>5kB. After revceiving it with the class posted above I write the buffer
> >>to disk with
> >>
> >> // Get the result...
> >> char* Result = this->m_pConnection->GetResult();
> >>
> >> // Prepare the parameters for parsing...
> >> std::stringbuf* Buffer = new std::stringbuf(Result);
> >> std::istream* StringBuffer = new std::istream(Buffer);
> >>
> >> // Get length of buffer...
> >> StringBuffer->seekg(std::streampos(0), std::ios_base::end);
> >> int strLength = StringBuffer->tellg();
> >> StringBuffer->seekg(std::streampos(0), std::ios_base::beg);
> >>
> >> // Parsing...
> >> ...
> >>
> >> // Write out buffer (for debugging purpose)...
> >> std::ofstream* pOutStream = new std::ofstream("<PATH>\\DWL.bin",
> >>std::ios_base::out | std::ios_base::trunc | std::ios_base::binary);
> >> pOutStream->write(Result, strLength);
> >> pOutStream->close();
> >>
> >>Afer that its size is only 1kB!
> >>And this happens with all binary files.
> >>All files are just 1kB when written to disk...
> >>
> >>Doing the eqivalent operation for ASCII files works...
> >>
> >>I don't understand why this happens :-|
> >>
> >>Is there some magic option I must enable in order to make binary
> >>downloads work? I don't think it's so, but maybe...
> >>
> >>Can someone test the Code and tell me his experience with it?
> >>
> >>Hoping to hear from you soon.
> >>
> >>Regards, Nazario.
> >>_______________________________________________
> >>cURLpp mailing list
> >>cURLpp_at_rrette.com
> >>http://www.rrette.com/mailman/listinfo/curlpp

-- 
Jean-Philippe Barrette-LaPierre
Maintener of cURLpp (http://rrette.com/curlpp.html)
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