I can't figure out how to do it. I need the output to look like this:

Various headers and cookies
---+-+-*ThisBoundaryStringCanBeAnythingWhichDoes77028NotAppearInTheMessage*-+-+-
Content-Disposition: form-data; name="aSetValue"; filename="sizetest.png"

?PNG

???
IHDR???
???
???r??|???sBIT??O????
sRGB???????gAMA????
?a???
pHYs??????
?+????IDAT(S??=o?0?_?9|,U?D?@?T]:?S?GP?B?Z?*?),EJ??9g?z??,????Y??zS??z?=????0XLF?jn??a?{?s^'C?uP???}??"fB?{/?IFNJ?????$?a?n?>?M???(?????>%???
$?*????uq?
[V?^?OH??
??O??1fYP?^?M?????s?8?~?#6Y?????????g???/???]??????IEND?B`?
---+-+-*ThisBoundaryStringCanBeAnythingWhichDoes77028NotAppearInTheMessage*-+-+---

Here's what I've got so far:
        struct curl_httppost * post = NULL;
        struct curl_httppost * last = NULL;
        curl_formadd(&post, &last,
                     CURLFORM_COPYNAME, "aSetValue",
                     CURLFORM_FILENAME, file.c_str(),
                     CURLFORM_END);
        curl_easy_setopt(curl, CURLOPT_HTTPPOST, post);

But that sends only the headers that I define elsewhere with a
Content-Length of 0.

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Received on 2010-03-26