diff options
Diffstat (limited to 'gnulib/import/pipe.c')
-rw-r--r-- | gnulib/import/pipe.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/gnulib/import/pipe.c b/gnulib/import/pipe.c new file mode 100644 index 0000000..584965a --- /dev/null +++ b/gnulib/import/pipe.c @@ -0,0 +1,50 @@ +/* Create a pipe. + Copyright (C) 2009-2021 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along + with this program; if not, see <https://www.gnu.org/licenses/>. */ + +#include <config.h> + +/* Specification. */ +#include <unistd.h> + +#if defined _WIN32 && ! defined __CYGWIN__ +/* Native Windows API. */ + +/* Get _pipe(). */ +# include <io.h> + +/* Get _O_BINARY. */ +# include <fcntl.h> + +int +pipe (int fd[2]) +{ + /* Mingw changes fd to {-1,-1} on failure, but this violates + http://austingroupbugs.net/view.php?id=467 */ + int tmp[2]; + int result = _pipe (tmp, 4096, _O_BINARY); + if (!result) + { + fd[0] = tmp[0]; + fd[1] = tmp[1]; + } + return result; +} + +#else + +# error "This platform lacks a pipe function, and Gnulib doesn't provide a replacement. This is a bug in Gnulib." + +#endif |