diff options
author | Roland McGrath <roland@gnu.org> | 1995-02-18 01:27:10 +0000 |
---|---|---|
committer | Roland McGrath <roland@gnu.org> | 1995-02-18 01:27:10 +0000 |
commit | 28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch) | |
tree | 15f07c4c43d635959c6afee96bde71fb1b3614ee /stdio/tst-fileno.c | |
download | glibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.tar.gz |
initial import
Diffstat (limited to 'stdio/tst-fileno.c')
-rw-r--r-- | stdio/tst-fileno.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/stdio/tst-fileno.c b/stdio/tst-fileno.c new file mode 100644 index 0000000000..81945f7b44 --- /dev/null +++ b/stdio/tst-fileno.c @@ -0,0 +1,37 @@ +/* Copyright (C) 1994 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <ansidecl.h> +#include <stdio.h> +#include <unistd.h> + +static int +DEFUN(check, (name, stream, fd), CONST char *name AND FILE *stream AND int fd) +{ + int sfd = fileno (stream); + printf ("(fileno (%s) = %d) %c= %d\n", name, sfd, sfd == fd ? '=' : '!', fd); + return sfd != fd; +} + +int +DEFUN_VOID(main) +{ + exit (check ("stdin", stdin, STDIN_FILENO) || + check ("stdout", stdout, STDOUT_FILENO) || + check ("stderr", stderr, STDERR_FILENO)); +} |