-/* -*- 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.
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * 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/
- * Lustre is a trademark of Sun Microsystems, Inc.
*/
#ifndef _GNU_SOURCE
#include <sys/stat.h>
#include <fcntl.h>
-#define BUFSIZE (1024*1024)
+#define BUFSIZE (1024 * 1024)
-/* Function: pwrite character '+' to <filename> at <offset> (man pwrite)
+/*
+ * Function: pwrite character '+' to <filename> at <offset> (man pwrite)
* Return: 0 success
- * 1 failure */
+ * 1 failure
+ */
int main(int argc, char**argv)
{
- int p_size;
- unsigned int offset;
- char *filename;
- int fd;
- char buf[] = "+++";
- char *end;
+ int p_size;
+ unsigned int offset;
+ char *filename;
+ int fd;
+ char buf[] = "+++";
+ char *end;
- if(argc != 3) {
- fprintf(stderr, "Usage: %s <filename> <offset>(KB)\n", argv[0]);
- exit(1);
- }
+ if (argc != 3) {
+ fprintf(stderr, "Usage: %s <filename> <offset>(KB)\n", argv[0]);
+ exit(1);
+ }
- filename = argv[1];
- offset = strtoul(argv[2], &end, 10);
- if (*end) {
- fprintf(stderr, "<offset> parameter should be integer\n");
- exit(1);
- }
+ filename = argv[1];
+ offset = strtoul(argv[2], &end, 10);
+ if (*end) {
+ fprintf(stderr, "<offset> parameter should be integer\n");
+ exit(1);
+ }
- fd = open(filename, O_CREAT|O_RDWR, 0644);
- if (fd == -1) {
- fprintf(stderr, "Opening %s fails (%s)\n",
- filename, strerror(errno));
- return 1;
- }
+ fd = open(filename, O_CREAT|O_RDWR, 0644);
+ if (fd == -1) {
+ fprintf(stderr, "Opening %s fails (%s)\n",
+ filename, strerror(errno));
+ return 1;
+ }
- /* write the character '+' at offset */
- p_size = pwrite(fd, buf, 1, offset);
- if (p_size != 1) {
- fprintf(stderr, "pwrite %s fails (%s)\n",
- filename, strerror(errno));
- close(fd);
- return 1;
- }
-
- close(fd);
- return 0;
+ /* write the character '+' at offset */
+ p_size = pwrite(fd, buf, 1, offset);
+ if (p_size != 1) {
+ fprintf(stderr, "pwrite %s fails (%s)\n",
+ filename, strerror(errno));
+ close(fd);
+ return 1;
+ }
+ close(fd);
+ return 0;
}