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author | Lorry Tar Creator <lorry-tar-importer@baserock.org> | 2013-09-22 07:04:10 +0000 |
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committer | <> | 2015-02-02 12:02:31 +0000 |
commit | 23c11479b3ad787adc7a651ee0c4347839e47723 (patch) | |
tree | 3aa9e1125da84f7e3bd764bbff577c42a766508b /tests/test-fdopen.c | |
download | m4-tarball-master.tar.gz |
Diffstat (limited to 'tests/test-fdopen.c')
-rw-r--r-- | tests/test-fdopen.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/tests/test-fdopen.c b/tests/test-fdopen.c new file mode 100644 index 0000000..671c5e3 --- /dev/null +++ b/tests/test-fdopen.c @@ -0,0 +1,56 @@ +/* Test opening a stream with a file descriptor. + Copyright (C) 2011-2013 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 <http://www.gnu.org/licenses/>. */ + +#include <config.h> + +#include <stdio.h> + +#include "signature.h" +SIGNATURE_CHECK (fdopen, FILE *, (int, const char *)); + +#include <errno.h> +#include <unistd.h> + +#include "macros.h" + +int +main (void) +{ + /* Test behaviour for invalid file descriptors. */ + { + FILE *fp; + + errno = 0; + fp = fdopen (-1, "r"); + if (fp == NULL) + ASSERT (errno == EBADF); + else + fclose (fp); + } + { + FILE *fp; + + close (99); + errno = 0; + fp = fdopen (99, "r"); + if (fp == NULL) + ASSERT (errno == EBADF); + else + fclose (fp); + } + + return 0; +} |