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file size limit upon posting

From: Robby Blackwood <>
Date: Thu, 9 Aug 2007 08:01:33 -0700 (PDT)

Hi all. I recently built an app with libcurl 7.15.5. The app was used to transfer files using HTTP and worked just fine.... until I started trying files with sizes approaching 4mb. When I tried transferring files this large, all of a sudden I started getting a return error of CURLE_SEND_ERROR. I was using the form method instead of the upload file method because I also wanted to send other post data. The code is below:

                            CURLFORM_COPYNAME, "sendfile",
                            CURLFORM_FILE, "myfile.txt",
                                CURLFORM_COPYNAME, "command",
                                CURLFORM_COPYCONTENTS, "upload",

curl_easy_setopt(http_handle, CURLOPT_HTTPPOST, formpost);

I've tried putting the file into a buffer first and using the buffer size options, as well as both postfield size options, nothing works, they all fail when the file size is too large (~4mb). Anyone have any clue as to whats going on here? If I have to use the upload file option, I'd really like send the other post data as well somehow. Thanks.


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Received on 2007-08-09