-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * 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 version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.gnu.org/licenses/gpl-2.0.html
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
*/
+#ifndef _GNU_SOURCE
#define _GNU_SOURCE
+#endif
#include <stdio.h>
#include <errno.h>
#include <sys/stat.h>
#include <dirent.h>
#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
int main(int argc, char **argv)
{
- char *dname1, *dname2;
- int fddev1, fddev2, rc;
- //DIR *dp;
- struct stat st1, st2;
+ char *dname1, *dname2;
+ int fddev1, fddev2, rc;
+ struct stat st1, st2;
- if (argc < 2 || argc > 3) {
- fprintf(stderr, "usage: %s filename1 [filename2]\n", argv[0]);
- exit(1);
- }
+ if (argc < 2 || argc > 3) {
+ fprintf(stderr, "usage: %s filename1 [filename2]\n", argv[0]);
+ exit(1);
+ }
- dname1 = argv[1];
- if (argc == 3)
- dname2 = argv[2];
- else
- dname2 = argv[1];
+ dname1 = argv[1];
+ if (argc == 3)
+ dname2 = argv[2];
+ else
+ dname2 = argv[1];
- //create the special file (right now only test on pipe)
- fprintf(stderr, "creating special file %s\n", dname1);
- rc = mknod(dname1, 0777|S_IFIFO, 0);
- if (rc == -1) {
- fprintf(stderr, "creating %s fails: %s\n",
- dname1, strerror(errno));
- exit(1);
- }
+ /* create the special file (right now only test on pipe) */
+ fprintf(stderr, "creating special file %s\n", dname1);
+ rc = mknod(dname1, 0777 | S_IFIFO, 0);
+ if (rc == -1) {
+ fprintf(stderr, "creating %s fails: %s\n",
+ dname1, strerror(errno));
+ exit(1);
+ }
- // open the special file again
- fprintf(stderr, "opening file\n");
- fddev1 = open(dname1, O_RDONLY | O_NONBLOCK);
- if (fddev1 == -1) {
- fprintf(stderr, "open %s fails: %s\n",
- dname1, strerror(errno));
- exit(1);
- }
-
- // doesn't matter if the two dirs are the same??
- fddev2 = open(dname2, O_RDONLY | O_NONBLOCK);
- if (fddev2 == -1) {
- fprintf(stderr, "open %s fails: %s\n",
- dname2, strerror(errno));
- exit(1);
- }
-
- // delete the special file
- fprintf (stderr, "unlinking %s\n", dname1);
- rc = unlink(dname1);
- if (rc) {
- fprintf(stderr, "unlink %s error: %s\n",
- dname1, strerror(errno));
- exit(1);
- }
+ /* open the special file again */
+ fprintf(stderr, "opening file\n");
+ fddev1 = open(dname1, O_RDONLY | O_NONBLOCK);
+ if (fddev1 == -1) {
+ fprintf(stderr, "open %s fails: %s\n",
+ dname1, strerror(errno));
+ exit(1);
+ }
- if (access(dname2, F_OK) == 0){
- fprintf(stderr, "%s still exists\n", dname2);
- exit(1);
- }
+ /* doesn't matter if the two dirs are the same?? */
+ fddev2 = open(dname2, O_RDONLY | O_NONBLOCK);
+ if (fddev2 == -1) {
+ fprintf(stderr, "open %s fails: %s\n",
+ dname2, strerror(errno));
+ exit(1);
+ }
- if (access(dname1, F_OK) == 0){
- fprintf(stderr, "%s still exists\n", dname1);
- exit(1);
- }
+ /* delete the special file */
+ fprintf(stderr, "unlinking %s\n", dname1);
+ rc = unlink(dname1);
+ if (rc) {
+ fprintf(stderr, "unlink %s error: %s\n",
+ dname1, strerror(errno));
+ exit(1);
+ }
- // fchmod one special file
- rc = fchmod (fddev1, 0777);
- if(rc == -1)
- {
- fprintf(stderr, "fchmod unlinked special file %s fails: %s\n",
- dname1, strerror(errno));
- exit(1);
- }
-
- // fstat two files to check if they are the same
- rc = fstat(fddev1, &st1);
- if(rc == -1)
- {
- fprintf(stderr, "fstat unlinked special file %s fails: %s\n",
- dname1, strerror(errno));
- exit(1);
- }
+ if (access(dname2, F_OK) == 0) {
+ fprintf(stderr, "%s still exists\n", dname2);
+ exit(1);
+ }
- rc = fstat(fddev2, &st2);
- if (rc == -1) {
- fprintf(stderr, "fstat file %s fails: %s\n",
- dname2, strerror(errno));
- exit(1);
- }
+ if (access(dname1, F_OK) == 0) {
+ fprintf(stderr, "%s still exists\n", dname1);
+ exit(1);
+ }
- if (st1.st_mode != st2.st_mode) { // can we do this?
- fprintf(stderr, "fstat different value on %s and %s\n", dname1, dname2);
- exit(1);
- }
+ /* fchmod one special file */
+ rc = fchmod(fddev1, 0777);
+ if (rc == -1) {
+ fprintf(stderr, "fchmod unlinked special file %s fails: %s\n",
+ dname1, strerror(errno));
+ exit(1);
+ }
- fprintf(stderr, "Ok, everything goes well.\n");
- return 0;
-}
+ /* fstat two files to check if they are the same */
+ rc = fstat(fddev1, &st1);
+ if (rc == -1) {
+ fprintf(stderr, "fstat unlinked special file %s fails: %s\n",
+ dname1, strerror(errno));
+ exit(1);
+ }
+ rc = fstat(fddev2, &st2);
+ if (rc == -1) {
+ fprintf(stderr, "fstat file %s fails: %s\n",
+ dname2, strerror(errno));
+ exit(1);
+ }
+
+ fprintf(stderr, "Ok, everything goes well.\n");
+ return 0;
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff