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* build-aux/gendocs.sh (version): * doc/gendocs_template: * doc/gendocs_template_min: * doc/gnulib.texi: * lib/version-etc.c (COPYRIGHT_YEAR): Update copyright dates by hand in templates and the like. * all files: Run 'make update-copyright'.
74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
/* Test of opening a file stream.
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Copyright (C) 2007-2017 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
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/* Include <config.h> and a form of <stdio.h> first. */
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#include <errno.h>
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#include <unistd.h>
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#include "macros.h"
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/* Test fopen. Assumes BASE is defined. */
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static int
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test_fopen (void)
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{
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FILE *f;
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/* Remove anything from prior partial run. */
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unlink (BASE "file");
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/* Read requires existing file. */
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errno = 0;
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ASSERT (fopen (BASE "file", "r") == NULL);
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ASSERT (errno == ENOENT);
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/* Write can create a file. */
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f = fopen (BASE "file", "w");
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ASSERT (f);
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ASSERT (fclose (f) == 0);
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/* Trailing slash is invalid on non-directory. */
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errno = 0;
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ASSERT (fopen (BASE "file/", "r") == NULL);
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ASSERT (errno == ENOTDIR || errno == EISDIR || errno == EINVAL);
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/* Cannot create a directory. */
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errno = 0;
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ASSERT (fopen ("nonexist.ent/", "w") == NULL);
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ASSERT (errno == ENOTDIR || errno == EISDIR || errno == ENOENT
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|| errno == EINVAL);
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/* Directories cannot be opened for writing. */
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errno = 0;
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ASSERT (fopen (".", "w") == NULL);
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ASSERT (errno == EISDIR || errno == EINVAL || errno == EACCES);
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/* /dev/null must exist, and be writable. */
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f = fopen ("/dev/null", "r");
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ASSERT (f);
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ASSERT (fclose (f) == 0);
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f = fopen ("/dev/null", "w");
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ASSERT (f);
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ASSERT (fclose (f) == 0);
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/* Cleanup. */
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ASSERT (unlink (BASE "file") == 0);
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return 0;
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}
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