2 * Copyright (c) 2000 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/
41 /*---------------------------------------------------------------------------
43 Test program used to test the DMAPI function dm_read_invis(). The
46 read_invis [-o offset] [-l length] [-s sid] pathname
49 'offset' is the offset of the start of the write (0 is the default),
50 'length' is the length of the write in bytes (1 is the default),
51 'sid' is the session ID whose events you you are interested in.
52 'pathname' is the name of the file to be written.
54 ----------------------------------------------------------------------------*/
57 extern char *sys_errlist[];
69 fprintf(stderr, "usage:\t%s [-o offset] [-l length] "
70 "[-s sid] pathname\n", Progname);
80 dm_sessid_t sid = DM_NO_SESSION;
81 char *pathname = NULL;
92 if (Progname = strrchr(argv[0], '/')) {
98 /* Crack and validate the command line options. */
100 while ((opt = getopt(argc, argv, "o:l:s:")) != EOF) {
103 offset = atol(optarg);
106 length = atol(optarg);
115 if (optind + 1 != argc)
117 pathname = argv[optind];
119 if (dm_init_service(&name) == -1) {
120 fprintf(stderr, "Can't inititalize the DMAPI\n");
123 if (sid == DM_NO_SESSION)
124 find_test_session(&sid);
126 /* Get the file's handle. */
128 if (dm_path_to_handle(pathname, &hanp, &hlen)) {
129 fprintf(stderr, "can't get handle for file %s\n", pathname);
134 /* In case it is a realtime file, align the buffer on a
135 sufficiently big boundary.
137 if ((bufp = memalign(4096, length)) == NULL) {
138 fprintf(stderr, "malloc of %llu bytes failed\n", length);
141 memset(bufp, '\0', length);
144 rc = dm_read_invis(sid, hanp, hlen, DM_NO_TOKEN, offset, length, bufp);
147 fprintf(stderr, "dm_read_invis failed, %s\n", strerror(errno));
149 } else if (rc != length) {
150 fprintf(stderr, "expected to read %lld bytes, actually "
151 "read %lld\n", length, rc);
154 for (i = 0; i < rc; i++) {
155 if (isprint(bufp[i])) {
156 fprintf(stdout, "%c", bufp[i]);
158 fprintf(stdout, "\\%03d", bufp[i]);
161 dm_handle_free(hanp, hlen);