usr/src/cmd/fm/modules/sun4/cpumem-diagnosis/cmd_util.c

   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 }