[openssl/openssl] 27e8f2: tolower: refine the tolower code to avoid a memory...

[pauli]

  Branch: refs/heads/openssl-3.0
  Home:   https://github.openssl.org/openssl/openssl
  Commit: 27e8f212d8383e78e698d7049c210b13a0cc8889
      https://github.openssl.org/openssl/openssl/commit/27e8f212d8383e78e698d7049c210b13a0cc8889
  Author: Pauli <pauli at openssl.org>
  Date:   2022-05-23 (Mon, 23 May 2022)

  Changed paths:
    M crypto/ctype.c
    M include/crypto/ctype.h

  Log Message:
  -----------
  tolower: refine the tolower code to avoid a memory access

This improves the performance of this function and the ones that rely on it
(ossl_lh_strcasehash primarily).

Reviewed-by: Tomas Mraz <tomas at openssl.org>
Reviewed-by: Tim Hudson <tjh at openssl.org>
Reviewed-by: Dmitry Belyavskiy <beldmit at gmail.com>
(Merged from https://github.com/openssl/openssl/pull/18344)

(cherry picked from commit 286053fc8f78e34828a576830ef879c021640aee)


  Commit: d971d89786149d47efbf4d58f48eb94e65aaa07f
      https://github.openssl.org/openssl/openssl/commit/d971d89786149d47efbf4d58f48eb94e65aaa07f
  Author: Pauli <pauli at openssl.org>
  Date:   2022-05-23 (Mon, 23 May 2022)

  Changed paths:
    M crypto/init.c
    M crypto/o_str.c
    M include/internal/cryptlib.h
    M providers/fips/fipsprov.c

  Log Message:
  -----------
  strcasecmp: implement strcasecmp and strncasecmp

Rather than relying on the locale code working, instead implement these
functions directly.

Fixes #18322

Reviewed-by: Tomas Mraz <tomas at openssl.org>
Reviewed-by: Tim Hudson <tjh at openssl.org>
Reviewed-by: Dmitry Belyavskiy <beldmit at gmail.com>
(Merged from https://github.com/openssl/openssl/pull/18344)

(cherry picked from commit fb4cdca053fb9d3f0e11eeaf31f4b4ff87f69a95)


Compare: https://github.openssl.org/openssl/openssl/compare/ff3e71b33c3f...d971d8978614