urlapi: leaner with fewer allocs

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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

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This commit is contained in:

Daniel Stenberg 2022-09-01 10:16:24 +02:00

parent 2ae81e680b

commit f703cf971c

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11 changed files with 565 additions and 596 deletions

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