/ curl Public
hostip: make create_hostcache_id avoid alloc + free #3544
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The data is short-lived and will be copied anyway. By using a stack buffer and not doing a sprintf + lower case in two separate passes, this should speed this up quite a lot - although presumably not really noticeable...
In my test 8GB HTTP transfer from localhost, this patch reduces the total number of allocations needed from 87 to 83.