Hi!

I just answered to this stackoverflow question "How to get and compare libcurl
version?"[1] and Rich Moore helped me over IRC to realize that users would
perhaps enjoy a slightly easier way to do that sort of version checks.

So, What would you say about adding these two?

#define CURL_VERSION_BITS(x,y,z) ((x)<<16|(y)<<8|z)

#define CURL_AT_LEAST_VERSION(x,y,z) \
   (LIBCURL_VERSION_NUM >= CURL_VERSION_BITS(x, y, z))

It would make it possible to check version at run-time like this:

   curl_version_info_data *d = curl_version_info(CURLVERSION_NOW);

   if(d->version_num >= CURL_VERSION_BITS(7,33,0) ) {
     /* this is libcurl 7.33.0 or later */
     printf("Succcess\n");
   }

... and for build-time checks like this:

   #if CURL_AT_LEAST_VERSION(7,33,0)
   /* this is 7.33.0 or later */
   #endif

Thoughts? Better ideas?

[1] =
http://stackoverflow.com/questions/30233344/how-to-get-and-compare-libcurl-version

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