ruby-dev

えぐち＠エスアンドイー です。

>>> In message [ruby-dev:7888] Re: fnmatch (Re: Dir.glob)
    On Tue, 21 Sep 1999 11:03:36 +0900, WATANABE Hirofumi <watanabe@ase.ptg.sony.co.jp> said:

watanabe> わたなべです.
watanabe> 
watanabe> EGUCHI Osamu <eguchi@shizuokanet.ne.jp> writes:

watanabe> :isupper() が /[A-Z]/ な動作ならば、 isascii() は不要では？
watanabe> 
watanabe> [ruby-list:2769] で書いたんですけど, ctype の実装によっては
watanabe> 0x80 以上の文字が判断できない場合があります.
watanabe> ＃現在の cygwin ではこの不具合は直ってます.

strcmp() の bit7 の扱いとか、結構 char の bit7 には
各処理系とも問題が多いですね。

watanabe> それにしても isascii の定義って各処理系ばらばらで結構面白いです.
watanabe> Sun4, Solaris  - (!((c)&~0177))
watanabe> Linux          - (((c) & (1 << 7)) == 0)
watanabe> NetBSD, Cygwin - ((unsigned)(c) <= 0177)

	FreeBSD        - (((c) & ~0x7F) == 0)

でした。  ただし、

#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)

で囲われています。

	えぐち

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[ruby-dev:7889] Re: fnmatch (Re: Dir.glob)

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[#7846] newline code and END, here document — nobu.nakada@...