--- /dev/null
+/* Tests of areadlink_with_size.
+ Copyright (C) 2009 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/>. */
+
+/* Written by Eric Blake <ebb9@byu.net>, 2009. */
+
+#include <config.h>
+
+#include "areadlink.h"
+
+#include <fcntl.h>
+#include <errno.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#define ASSERT(expr) \
+ do \
+ { \
+ if (!(expr)) \
+ { \
+ fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
+ fflush (stderr); \
+ abort (); \
+ } \
+ } \
+ while (0)
+
+#define BASE "test-areadlink-with-size.t"
+
+#include "test-areadlink.h"
+
+int
+main ()
+{
+ /* Remove any leftovers from a previous partial run. */
+ ASSERT (system ("rm -rf " BASE "*") == 0);
+
+ return test_areadlink (areadlink_with_size, true);
+}
--- /dev/null
+/* Tests of areadlink.
+ Copyright (C) 2009 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/>. */
+
+/* Written by Eric Blake <ebb9@byu.net>, 2009. */
+
+#include <config.h>
+
+#include "areadlink.h"
+
+#include <fcntl.h>
+#include <errno.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#define ASSERT(expr) \
+ do \
+ { \
+ if (!(expr)) \
+ { \
+ fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
+ fflush (stderr); \
+ abort (); \
+ } \
+ } \
+ while (0)
+
+#define BASE "test-areadlink.t"
+
+#include "test-areadlink.h"
+
+/* Wrapper for testing areadlink. */
+static char *
+do_areadlink (char const *name, size_t ignored _UNUSED_PARAMETER_)
+{
+ return areadlink (name);
+}
+
+int
+main ()
+{
+ /* Remove any leftovers from a previous partial run. */
+ ASSERT (system ("rm -rf " BASE "*") == 0);
+
+ return test_areadlink (do_areadlink, true);
+}
--- /dev/null
+/* Tests of areadlink and friends.
+ Copyright (C) 2009 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/>. */
+
+/* Written by Eric Blake <ebb9@byu.net>, 2009. */
+
+/* This file is designed to test areadlink(a),
+ areadlink_with_size(a,b), and areadlinkat(AT_FDCWD,a). FUNC is the
+ function to test; a length is always supplied, but may be ignored.
+ Assumes that BASE and ASSERT are already defined, and that
+ appropriate headers are already included. If PRINT, warn before
+ skipping symlink tests with status 77. */
+
+static int
+test_areadlink (char * (*func) (char const *, size_t), bool print)
+{
+ /* Sanity checks of failures. Mingw lacks symlink, but areadlink can
+ still distinguish between various errors. */
+ errno = 0;
+ ASSERT (func ("no_such", 1) == NULL);
+ ASSERT (errno == ENOENT);
+ errno = 0;
+ ASSERT (func ("no_such/", 1) == NULL);
+ ASSERT (errno == ENOENT);
+ errno = 0;
+ ASSERT (func ("", 1) == NULL);
+ ASSERT (errno == ENOENT);
+ errno = 0;
+ ASSERT (func (".", 1) == NULL);
+ ASSERT (errno == EINVAL);
+ errno = 0;
+ ASSERT (func ("./", 1) == NULL);
+ ASSERT (errno == EINVAL);
+ ASSERT (close (creat (BASE "file", 0600)) == 0);
+ errno = 0;
+ ASSERT (func (BASE "file", 1) == NULL);
+ ASSERT (errno == EINVAL);
+ errno = 0;
+ ASSERT (func (BASE "file/", 1) == NULL);
+ ASSERT (errno == ENOTDIR);
+ ASSERT (unlink (BASE "file") == 0);
+
+ /* Now test actual symlinks. */
+ if (symlink (BASE "dir", BASE "link"))
+ {
+ if (print)
+ fputs ("skipping test: symlinks not supported on this filesystem\n",
+ stderr);
+ return 77;
+ }
+ ASSERT (mkdir (BASE "dir", 0700) == 0);
+ errno = 0;
+ ASSERT (func (BASE "link/", 1) == NULL);
+ ASSERT (errno == EINVAL);
+ {
+ /* Too small a guess is okay. */
+ size_t len = strlen (BASE "dir");
+ char *buf = func (BASE "link", 1);
+ ASSERT (buf);
+ ASSERT (strcmp (buf, BASE "dir") == 0);
+ free (buf);
+ /* Too large a guess is okay. */
+ buf = func (BASE "link", 10000000);
+ ASSERT (buf);
+ ASSERT (strcmp (buf, BASE "dir") == 0);
+ free (buf);
+ }
+ ASSERT (rmdir (BASE "dir") == 0);
+ ASSERT (unlink (BASE "link") == 0);
+
+ return 0;
+}
projects / gnulib.git / commitdiff