module/spl/spl-err.c

   1 /*****************************************************************************\
   2  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
   3  *  Copyright (C) 2007 The Regents of the University of California.
   4  *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
   5  *  Written by Brian Behlendorf <behlendorf1@llnl.gov>.
   6  *  UCRL-CODE-235197
   7  *
   8  *  This file is part of the SPL, Solaris Porting Layer.
   9  *  For details, see <http://github.com/behlendorf/spl/>.
  10  *
  11  *  The SPL is free software; you can redistribute it and/or modify it
  12  *  under the terms of the GNU General Public License as published by the
  13  *  Free Software Foundation; either version 2 of the License, or (at your
  14  *  option) any later version.
  15  *
  16  *  The SPL is distributed in the hope that it will be useful, but WITHOUT
  17  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  18  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  19  *  for more details.
  20  *
  21  *  You should have received a copy of the GNU General Public License along
  22  *  with the SPL.  If not, see <http://www.gnu.org/licenses/>.
  23  *****************************************************************************
  24  *  Solaris Porting Layer (SPL) Error Implementation.
  25 \*****************************************************************************/
  26
  27 #include <sys/sysmacros.h>
  28 #include <sys/cmn_err.h>
  29
  30 #ifdef DEBUG_SUBSYSTEM
  31 #undef DEBUG_SUBSYSTEM
  32 #endif
  33
  34 #define DEBUG_SUBSYSTEM S_GENERIC
  35
  36 #ifndef NDEBUG
  37 static char ce_prefix[CE_IGNORE][10] = { "", "NOTICE: ", "WARNING: ", "" };
  38 static char ce_suffix[CE_IGNORE][2] = { "", "\n", "\n", "" };
  39 #endif
  40
  41 void
  42 vpanic(const char *fmt, va_list ap)
  43 {
  44         char msg[MAXMSGLEN];
  45
  46         vsnprintf(msg, MAXMSGLEN - 1, fmt, ap);
  47         panic("%s", msg);
  48 } /* vpanic() */
  49 EXPORT_SYMBOL(vpanic);
  50
  51 void
  52 vcmn_err(int ce, const char *fmt, va_list ap)
  53 {
  54         char msg[MAXMSGLEN];
  55
  56         if (ce == CE_PANIC)
  57                 vpanic(fmt, ap);
  58
  59         if (ce != CE_NOTE) {
  60                 vsnprintf(msg, MAXMSGLEN - 1, fmt, ap);
  61
  62                 if (fmt[0] == '!')
  63                         CDEBUG(D_INFO, "%s%s%s",
  64                                ce_prefix[ce], msg, ce_suffix[ce]);
  65                 else
  66                         CERROR("%s%s%s", ce_prefix[ce], msg, ce_suffix[ce]);
  67         }
  68 } /* vcmn_err() */
  69 EXPORT_SYMBOL(vcmn_err);
  70
  71 void
  72 cmn_err(int ce, const char *fmt, ...)
  73 {
  74         va_list ap;
  75
  76         va_start(ap, fmt);
  77         vcmn_err(ce, fmt, ap);
  78         va_end(ap);
  79 } /* cmn_err() */
  80 EXPORT_SYMBOL(cmn_err);
  81