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Subject: | Re: iswcntrl() regression |
To: | cygwin AT cygwin DOT com |
References: | <24530320 DOT 43gEWRNkUz AT omega> <cd4691c0-da99-46b5-6001-594499a8d2fa AT towo DOT net> <20181219133711 DOT GJ28727 AT calimero DOT vinschen DOT de> <6550638 DOT IhVCuUnqCC AT omega> <20190106202109 DOT GD4430 AT calimero DOT vinschen DOT de> <8758e963-7f32-a3f4-4d66-ce0d0c5f831e AT towo DOT net> |
From: | Thomas Wolff <towo AT towo DOT net> |
Message-ID: | <18c44153-0e69-80f9-81c7-544009f83b8c@towo.net> |
Date: | Fri, 11 Jan 2019 02:07:45 +0100 |
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--------------614599C208658FE7244A5A26 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Am 06.01.2019 um 23:39 schrieb Thomas Wolff: > Am 06.01.2019 um 21:21 schrieb Corinna Vinschen: >> On Dec 19 21:57, Bruno Haible wrote: >>> Hello Thomas, >>> >>> Oops 1: I forgot to add the reference to POSIX: >>> http://pubs.opengroup.org/onlinepubs/9699919799/functions/iswcntrl.html >>> >>> Oops 2: >>> The relevant expression is iswcntrl (WEOF), not iswcntrl (EOF). >>> >>>>> Are there any other special requirements concerning EOF? >>> WEOF is a special value. The difference between wint_t and wchar_t is >>> essentially that WEOF fits into wint_t but is not guaranteed to fit >>> in wchar_t. >>> (Like EOF fits into 'int' but usually does not fit in 'unsigned char'.) >>> >>> WEOF is special for all functions declared in <wctype.h>, see >>> >>> http://pubs.opengroup.org/onlinepubs/9699919799/functions/iswalnum.html >>> http://pubs.opengroup.org/onlinepubs/9699919799/functions/iswalpha.html >>> http://pubs.opengroup.org/onlinepubs/9699919799/functions/iswblank.html >>> http://pubs.opengroup.org/onlinepubs/9699919799/functions/iswcntrl.html >>> http://pubs.opengroup.org/onlinepubs/9699919799/functions/iswdigit.html >>> http://pubs.opengroup.org/onlinepubs/9699919799/functions/iswgraph.html >>> http://pubs.opengroup.org/onlinepubs/9699919799/functions/iswlower.html >>> http://pubs.opengroup.org/onlinepubs/9699919799/functions/iswprint.html >>> http://pubs.opengroup.org/onlinepubs/9699919799/functions/iswpunct.html >>> http://pubs.opengroup.org/onlinepubs/9699919799/functions/iswspace.html >>> http://pubs.opengroup.org/onlinepubs/9699919799/functions/iswupper.html >>> http://pubs.opengroup.org/onlinepubs/9699919799/functions/iswxdigit.html >>> >>> http://pubs.opengroup.org/onlinepubs/9699919799/functions/iswctype.html >>> >>> http://pubs.opengroup.org/onlinepubs/9699919799/functions/towlower.html >>> http://pubs.opengroup.org/onlinepubs/9699919799/functions/towupper.html >>> http://pubs.opengroup.org/onlinepubs/9699919799/functions/towctrans.html >>> >>> >>>> this could be fixed in iswcntrl_l.c as a special condition, or >>>> injected as a special case in the categories.t table. >>> Probably, yes. >> Thomas, any input? Are you going to provide patches? > Well, yes, now I'm assuming that this is the only WEOF special case > and I'll look after it this week. > Thomas The fix should be as attached. However, I don't seem to be able to produce a git format patch; when I `git format-patch -1` (after `git pull` and modifying only the affected file) it produces a patch file Subject: [PATCH] Cygwin: try_to_bin: don't check recycler filename all the time ... Signed-off-by: Corinna Vinschen <corinna AT vinschen DOT de> ---  winsup/cygwin/syscalls.cc | 71 +++++++++++++++++++++------------------ ... which is weird. Thomas --------------614599C208658FE7244A5A26 Content-Type: text/plain; charset=UTF-8; name="0001-iswcntrl-WEOF.patch" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="0001-iswcntrl-WEOF.patch" LS0tIG5ld2xpYi9saWJjL2N0eXBlL2NhdGVnb3JpZXMuY34JMjAxOC0wOC0x OCAwOTo1MDoxNi4zOTc5OTcxMDAgKzAyMDAKKysrIG5ld2xpYi9saWJjL2N0 eXBlL2NhdGVnb3JpZXMuYwkyMDE5LTAxLTExIDAxOjU2OjM5LjE1NTczNjcw MCArMDEwMApAQCAtMTksNyArMTksNyBAQCBiaXNlYXJjaF9jYXQod2ludF90 IHVjcywgY29uc3Qgc3RydWN0IF9jCiAgIGludCBtaWQ7CiAKICAgaWYgKHVj cyA8IHRhYmxlWzBdLmZpcnN0IHx8IHVjcyA+IHRhYmxlW21heF0uZmlyc3Qg KyB0YWJsZVttYXhdLmRlbHRhKQotICAgIHJldHVybiAwOworICAgIHJldHVy biAtMTsKICAgd2hpbGUgKG1heCA+PSBtaW4pCiAgICAgewogICAgICAgbWlk ID0gKG1pbiArIG1heCkgLyAyOwo= --------------614599C208658FE7244A5A26 Content-Type: text/plain; charset=us-ascii -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple --------------614599C208658FE7244A5A26--
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