curl_easy_setopt type checking for C++

curl_easy_setopt and curl_multi_setopt don't currently have a C++ implementation that enforces type checking. In C, it uses GCC extensions to do this type checking.

In C++, there are many ways to accomplish this type checking, and I was wondering what libcurl devs would actually want.

As an example, the following:

    curl_easy_setopt(easy, CURLOPT_NOSIGNAL, 1);

In C, this is broken. 1 is an "int", but the parameter is defined as "long". The typecheck-gcc.h stuff would detect this and throw an error.

In C++, there are essentially two ways to do this. Should it cause a compiler error, or automatically allow this to work properly by converting to long first?

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Received on 2019-12-09