2 * Copyright (c) 2000-2001 Silicon Graphics, Inc. All Rights Reserved.
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of version 2 of the GNU General Public License as
6 * published by the Free Software Foundation.
8 * This program is distributed in the hope that it would be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12 * Further, this software is distributed without any warranty that it is
13 * free of the rightful claim of any third person regarding infringement
14 * or the like. Any license provided herein, whether implied or
15 * otherwise, applies only to this software file. Patent licenses, if
16 * any, provided herein do not apply to combinations of this program with
17 * other software, or any other product whatsoever.
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write the Free Software Foundation, Inc., 59
21 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
23 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
24 * Mountain View, CA 94043, or:
28 * For further information regarding this notice, see:
30 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
39 /*---------------------------------------------------------------------------
41 Test program used to test the DMAPI function dm_write_invis(). The
44 write_invis [-c char] [-o offset] [-l length] [-s sid] pathname
47 'char' is the character to use as a repeated pattern ('X' is the default),
48 'offset' is the offset of the start of the write (0 is the default),
49 'length' is the length of the write in bytes (1 is the default),
50 'sid' is the session ID whose events you you are interested in.
51 'pathname' is the name of the file to be written.
53 DM_WRITE_SYNC is is not supported.
55 ----------------------------------------------------------------------------*/
58 extern char *sys_errlist[];
70 fprintf(stderr, "usage:\t%s [-c char] [-o offset] [-l length] "
71 "[-s sid] pathname\n", Progname);
81 dm_sessid_t sid = DM_NO_SESSION;
82 char *pathname = NULL;
93 if (Progname = strrchr(argv[0], '/')) {
99 /* Crack and validate the command line options. */
101 while ((opt = getopt(argc, argv, "c:o:l:s:")) != EOF) {
107 offset = atol(optarg);
110 length = atol(optarg);
119 if (optind + 1 != argc)
121 pathname = argv[optind];
123 if (dm_init_service(&name) == -1) {
124 fprintf(stderr, "Can't initialize the DMAPI\n");
127 if (sid == DM_NO_SESSION)
128 find_test_session(&sid);
130 /* Get the file's handle. */
132 if (dm_path_to_handle(pathname, &hanp, &hlen)) {
133 fprintf(stderr, "can't get handle for file %s\n", pathname);
138 /* In case it is a realtime file, align the buffer on a
139 sufficiently big boundary.
141 if ((bufp = memalign(4096, length)) == NULL) {
142 fprintf(stderr, "malloc of %llu bytes failed\n", length);
145 memset(bufp, ch, length);
148 rc = dm_write_invis(sid, hanp, hlen, DM_NO_TOKEN, 0, offset, length, bufp);
151 fprintf(stderr, "dm_write_invis failed, %s\n", strerror(errno));
153 } else if (rc != length) {
154 fprintf(stderr, "expected to write %lld bytes, actually "
155 "wrote %lld\n", length, rc);
158 dm_handle_free(hanp, hlen);