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      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