mirror_zfs/module/spl/spl-err.c

/*****************************************************************************\
 *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
 *  Copyright (C) 2007 The Regents of the University of California.
 *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
 *  Written by Brian Behlendorf <behlendorf1@llnl.gov>.
 *  UCRL-CODE-235197
 *
 *  This file is part of the SPL, Solaris Porting Layer.
 *  For details, see <http://github.com/behlendorf/spl/>.
 *
 *  The SPL is free software; you can redistribute it and/or modify it
 *  under the terms of the GNU General Public License as published by the
 *  Free Software Foundation; either version 2 of the License, or (at your
 *  option) any later version.
 *
 *  The SPL is distributed in the hope that it will be useful, but WITHOUT
 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 *  for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with the SPL.  If not, see <http://www.gnu.org/licenses/>.
 *****************************************************************************
 *  Solaris Porting Layer (SPL) Error Implementation.
\*****************************************************************************/

#include <sys/sysmacros.h>
#include <sys/cmn_err.h>
#include <spl-debug.h>

#ifdef SS_DEBUG_SUBSYS
#undef SS_DEBUG_SUBSYS
#endif

#define SS_DEBUG_SUBSYS SS_GENERIC

#ifndef NDEBUG
static char ce_prefix[CE_IGNORE][10] = { "", "NOTICE: ", "WARNING: ", "" };
static char ce_suffix[CE_IGNORE][2] = { "", "\n", "\n", "" };
#endif

void
vpanic(const char *fmt, va_list ap)
{
	char msg[MAXMSGLEN];

	vsnprintf(msg, MAXMSGLEN - 1, fmt, ap);
	PANIC("%s", msg);
} /* vpanic() */
EXPORT_SYMBOL(vpanic);

void
vcmn_err(int ce, const char *fmt, va_list ap)
{
	char msg[MAXMSGLEN];

	if (ce == CE_PANIC)
		vpanic(fmt, ap);

	if (ce != CE_NOTE) {
		vsnprintf(msg, MAXMSGLEN - 1, fmt, ap);

		if (fmt[0] == '!')
			SDEBUG(SD_INFO, "%s%s%s",
			       ce_prefix[ce], msg, ce_suffix[ce]);
		else
			SERROR("%s%s%s", ce_prefix[ce], msg, ce_suffix[ce]);
	}
} /* vcmn_err() */
EXPORT_SYMBOL(vcmn_err);

void
cmn_err(int ce, const char *fmt, ...)
{
	va_list ap;

	va_start(ap, fmt);
	vcmn_err(ce, fmt, ap);
	va_end(ap);
} /* cmn_err() */
EXPORT_SYMBOL(cmn_err);