Slightly faster with more robust code. Uses fewer and smaller mallocs.
- remove two fields from the URL handle struct
- reduce copies and allocs
- use dynbuf buffers more instead of custom malloc + copies
- uses dynbuf to build the host name in reduces serial alloc+free within
the same function.
- move dedotdotify into urlapi.c and make it static, not strdup the input
and optimize it by checking for . and / before using strncmp
- remove a few strlen() calls
- add Curl_dyn_setlen() that can "trim" an existing dynbuf
Closes#9408
... as returning a "" is not a good idea as the string is supposed to be
allocated and returning a const string will cause issues.
Reported-by: Brian Carpenter
Follow-up to ed35d6590eCloses#5405
A common set of functions instead of many separate implementations for
creating buffers that can grow when appending data to them. Existing
functionality has been ported over.
In my early basic testing, the total number of allocations seem at
roughly the same amount as before, possibly a few less.
See docs/DYNBUF.md for a description of the API.
Closes#5300