On Wed, 3 Aug 2016, Sean Miller via curl-library wrote:
I'm using libcurl-7.19.7 to post JSON to an HTTP server. I'm aware this is an old version. I'm using the multi interface, and I based my implementation on the example given in asiohiper.cpp. I worked around bug #62.
We fixed known bug #62 in 7.21.2 with a commit merged nearly 6 years ago...
Problem: I observe incomplete transmission of request bodies larger than about 40K bytes. Smaller requests are successful.
I can't recall any particular bug that would show up like that. I supposes it would depend on exactly what more happens on that transation. Chances are also that I've just forgotten about some old flaw.
But why bother? You're probably suffering from a bug in libcurl so if you want that fixed you need to patch your libcurl and rebuild, and if you can do that surely you're better off just considering upgrading instead and save yourself a lot of troubles and quite likely fix a few other bugs at the same time that are waiting to strike down on you soon...
If you're looking for the minimal patch to fix only this problem, then I'd recommend "git bisect" to find the fix that made the problem go away and then you backport that one to your version.
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