> From: Bruno Haible <br...@clisp.org> > Cc: bug-gnu-ut...@gnu.org > Date: Sat, 05 May 2012 16:26:55 +0200 > > > Diffutils 3.2 call xfreopen with its first argument NULL, expecting > > the underlying reopen to handle this. However, the MS runtime does > > not implement the Posix semantics of such a call, and so, for example, > > MinGW-compiled cmp fails when invoked to compare its stdin with a > > file: > > > > D:\gnu\diffutils-3.2\src>cat cmp.c | cmp cmp.c - > > cmp: failed to reopen `stdin' with mode `rb': No such file or directory > > > > The following change fixes this: > > > > 2012-05-05 Eli Zaretskii <e...@gnu.org> > > > > * lib/freopen.c [_WIN32]: Include io.h and fcntl.h. > > (rpl_freopen) [_WIN32]: If the first argument is NULL, call > > _setmode to switch STREAM to either binary or text mode, as > > specified by MODE. > > Thanks for the proposed patch, but the problem has already been fixed > differently, by avoiding to use xfreopen() [1].
Thanks, that's good to know.
