From 8ffec2a3aba6f114784e11f89ef1d57a096ae540 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 19:39:29 +0200 Subject: Adding upstream version 8.32. Signed-off-by: Daniel Baumann --- gnulib-tests/test-fdopen.c | 49 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 gnulib-tests/test-fdopen.c (limited to 'gnulib-tests/test-fdopen.c') diff --git a/gnulib-tests/test-fdopen.c b/gnulib-tests/test-fdopen.c new file mode 100644 index 0000000..e10a858 --- /dev/null +++ b/gnulib-tests/test-fdopen.c @@ -0,0 +1,49 @@ +/* Test opening a stream with a file descriptor. + Copyright (C) 2011-2020 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 of the License, 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 . */ + +#include + +#include + +#include "signature.h" +SIGNATURE_CHECK (fdopen, FILE *, (int, const char *)); + +#include +#include + +#include "macros.h" + +int +main (void) +{ + /* Test behavior on failure. POSIX makes it hard to check for + failure, since the behavior is not well-defined on invalid file + descriptors, so try fdopen 1000 times and if that's not enough to + fail due to EMFILE, so be it. */ + + int i; + for (i = 0; i < 1000; i++) + { + errno = 0; + if (! fdopen (STDOUT_FILENO, "w")) + { + ASSERT (errno != 0); + break; + } + } + + return 0; +} -- cgit v1.2.3