156 lines
4.2 KiB
C
156 lines
4.2 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
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*
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* Copyright (C) 2017 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include "libglnx.h"
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#include <glib.h>
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#include <stdlib.h>
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#include <gio/gio.h>
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#include <err.h>
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#include <string.h>
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static gboolean
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renameat_test_setup (int *out_srcfd, int *out_destfd,
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GError **error)
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{
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glnx_fd_close int srcfd = -1;
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glnx_fd_close int destfd = -1;
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(void) glnx_shutil_rm_rf_at (AT_FDCWD, "srcdir", NULL, NULL);
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if (mkdir ("srcdir", 0755) < 0)
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err (1, "mkdir");
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if (!glnx_opendirat (AT_FDCWD, "srcdir", TRUE, &srcfd, error))
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return FALSE;
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(void) glnx_shutil_rm_rf_at (AT_FDCWD, "destdir", NULL, NULL);
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if (mkdir ("destdir", 0755) < 0)
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err (1, "mkdir");
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if (!glnx_opendirat (AT_FDCWD, "destdir", TRUE, &destfd, error))
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return FALSE;
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if (!glnx_file_replace_contents_at (srcfd, "foo", (guint8*)"foo contents", strlen ("foo contents"),
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GLNX_FILE_REPLACE_NODATASYNC, NULL, error))
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return FALSE;
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if (!glnx_file_replace_contents_at (destfd, "bar", (guint8*)"bar contents", strlen ("bar contents"),
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GLNX_FILE_REPLACE_NODATASYNC, NULL, error))
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return FALSE;
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*out_srcfd = srcfd; srcfd = -1;
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*out_destfd = destfd; destfd = -1;
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return TRUE;
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}
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static void
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test_renameat2_noreplace (void)
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{
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g_autoptr(GError) local_error = NULL;
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GError **error = &local_error;
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glnx_fd_close int srcfd = -1;
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glnx_fd_close int destfd = -1;
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struct stat stbuf;
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if (!renameat_test_setup (&srcfd, &destfd, error))
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goto out;
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if (glnx_renameat2_noreplace (srcfd, "foo", destfd, "bar") == 0)
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g_assert_not_reached ();
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else
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{
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g_assert_cmpint (errno, ==, EEXIST);
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}
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if (glnx_renameat2_noreplace (srcfd, "foo", destfd, "baz") < 0)
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{
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glnx_set_error_from_errno (error);
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goto out;
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}
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if (fstatat (destfd, "bar", &stbuf, AT_SYMLINK_NOFOLLOW) < 0)
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{
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glnx_set_error_from_errno (error);
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goto out;
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}
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if (fstatat (srcfd, "foo", &stbuf, AT_SYMLINK_NOFOLLOW) == 0)
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g_assert_not_reached ();
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else
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g_assert_cmpint (errno, ==, ENOENT);
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out:
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g_assert_no_error (local_error);
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}
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static void
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test_renameat2_exchange (void)
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{
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g_autoptr(GError) local_error = NULL;
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GError **error = &local_error;
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glnx_fd_close int srcfd = -1;
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glnx_fd_close int destfd = -1;
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struct stat stbuf;
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if (!renameat_test_setup (&srcfd, &destfd, error))
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goto out;
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if (glnx_renameat2_exchange (AT_FDCWD, "srcdir", AT_FDCWD, "destdir") < 0)
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{
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glnx_set_error_from_errno (error);
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goto out;
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}
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/* Ensure the dir fds are the same */
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if (fstatat (srcfd, "foo", &stbuf, AT_SYMLINK_NOFOLLOW) < 0)
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{
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glnx_set_error_from_errno (error);
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goto out;
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}
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if (fstatat (destfd, "bar", &stbuf, AT_SYMLINK_NOFOLLOW) < 0)
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{
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glnx_set_error_from_errno (error);
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goto out;
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}
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/* But the dirs should be swapped */
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if (fstatat (AT_FDCWD, "destdir/foo", &stbuf, AT_SYMLINK_NOFOLLOW) < 0)
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{
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glnx_set_error_from_errno (error);
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goto out;
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}
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if (fstatat (AT_FDCWD, "srcdir/bar", &stbuf, AT_SYMLINK_NOFOLLOW) < 0)
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{
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glnx_set_error_from_errno (error);
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goto out;
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}
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out:
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g_assert_no_error (local_error);
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}
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int main (int argc, char **argv)
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{
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int ret;
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g_test_init (&argc, &argv, NULL);
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g_test_add_func ("/renameat2-noreplace", test_renameat2_noreplace);
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g_test_add_func ("/renameat2-exchange", test_renameat2_exchange);
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ret = g_test_run();
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return ret;
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}
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