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 , 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 ---  winsup/cygwin/syscalls.cc | 71 +++++++++++++++++++++------------------ ... which is weird. Thomas