xref: /titanic_52/usr/src/cmd/fm/modules/sun4/cpumem-diagnosis/cmd_util.c (revision 3f1e69bef33050bee99ea1e9992af13fc467281f)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 
27 #include <cmd.h>
28 
29 #include <errno.h>
30 #include <stdarg.h>
31 #include <string.h>
32 #include <fm/fmd_api.h>
33 #include <sys/fm/protocol.h>
34 
35 int
36 cmd_set_errno(int err)
37 {
38 	errno = err;
39 	return (-1);
40 }
41 
42 void *
43 cmd_buf_read(fmd_hdl_t *hdl, fmd_case_t *cp, const char *bufname, size_t bufsz)
44 {
45 	void *buf;
46 	size_t sz;
47 
48 	if ((sz = fmd_buf_size(hdl, cp, bufname)) == 0) {
49 		(void) cmd_set_errno(ENOENT);
50 		return (NULL);
51 	} else if (sz != bufsz) {
52 		(void) cmd_set_errno(EINVAL);
53 		return (NULL);
54 	}
55 
56 	buf = fmd_hdl_alloc(hdl, bufsz, FMD_SLEEP);
57 	fmd_buf_read(hdl, cp, bufname, buf, bufsz);
58 
59 	return (buf);
60 }
61 
62 void
63 cmd_vbufname(char *buf, size_t bufsz, const char *fmt, va_list ap)
64 {
65 	char *c;
66 
67 	(void) vsnprintf(buf, bufsz, fmt, ap);
68 
69 	for (c = buf; *c != '\0'; c++) {
70 		if (*c == ' ' || *c == '/' || *c == ':')
71 			*c = '_';
72 	}
73 }
74 
75 void
76 cmd_bufname(char *buf, size_t bufsz, const char *fmt, ...)
77 {
78 	va_list ap;
79 
80 	va_start(ap, fmt);
81 	cmd_vbufname(buf, bufsz, fmt, ap);
82 	va_end(ap);
83 }
84