usr/src/cmd/mdb/common/kmdb/kctl/kctl_err.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, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #include <sys/types.h>
  30 #include <sys/cmn_err.h>
  31 #include <sys/varargs.h>
  32 #include <sys/bootconf.h>
  33 #include <sys/sysmacros.h>
  34 #include <sys/kmdb.h>
  35
  36 /*
  37  * The boot printing interfaces don't expose anything that'll allow us
  38  * to print multiple arguments at once.  That is, they expose printf-like
  39  * interfaces, but these interfaces only support one format specifier per
  40  * invocation.  The routines in this file allow the rest of the driver
  41  * to pretend that this limitation doesn't exist.
  42  */
  43
  44 #include <kmdb/kctl/kctl.h>
  45
  46 static void
  47 kctl_vprintf(int code, const char *format, va_list ap)
  48 {
  49         if (kctl.kctl_boot_ops == NULL) {
  50                 vcmn_err(code, format, ap);
  51
  52         } else {
  53                 char buf[128];
  54
  55                 if (code == CE_WARN)
  56                         BOP_PUTSARG(kctl.kctl_boot_ops, "WARNING: ", NULL);
  57                 else if (code == CE_NOTE)
  58                         BOP_PUTSARG(kctl.kctl_boot_ops, "NOTE: ", NULL);
  59
  60                 (void) vsnprintf(buf, sizeof (buf), format, ap);
  61                 BOP_PUTSARG(kctl.kctl_boot_ops, "%s\n", buf);
  62         }
  63 }
  64
  65 void
  66 kctl_warn(const char *format, ...)
  67 {
  68         va_list ap;
  69
  70         va_start(ap, format);
  71         kctl_vprintf(CE_WARN, format, ap);
  72         va_end(ap);
  73 }
  74
  75 void
  76 kctl_dprintf(const char *format, ...)
  77 {
  78         va_list ap;
  79
  80         if (!(kctl.kctl_flags & KMDB_F_DRV_DEBUG))
  81                 return;
  82
  83         va_start(ap, format);
  84         kctl_vprintf(CE_NOTE, format, ap);
  85         va_end(ap);
  86 }