MEDIUM: ist: use local conversion arrays to case conversion

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Calling tolower/toupper for each character is slow, a lookup into a
256-byte table is cheaper, especially for common characters used in
header field names which all fit into a cache line. Let's create these
two variables marked weak so that they're included only once.

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This commit is contained in:

Willy Tarreau 2018-12-07 09:40:01 +01:00

parent c2a10d4b4c

commit d6735d611e

1 changed files with 79 additions and 9 deletions

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