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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "med_local.h"
#include <syslog.h>
/*
* debug stuff
*/
#define MED_DEBUG 0
#ifdef MED_DEBUG
static int med_debug = MED_DEBUG;
#endif
/*
* free and clear error
*/
static void
med_clrerror(
med_err_t *medep
)
{
if (medep->med_node != NULL)
Free(medep->med_node);
if (medep->med_misc != NULL)
Free(medep->med_misc);
(void) memset(medep, 0, sizeof (*medep));
}
/*
* Exported Entry Points
*/
/*
* setup error
*/
int
med_error(
med_err_t *medep,
int errnum,
char *misc
)
{
med_clrerror(medep);
if (errnum != 0) {
medep->med_errno = errnum;
if (med_debug && misc != NULL)
medep->med_misc = Strdup(misc);
medep->med_node = Strdup(mynode());
return (-1);
}
return (0);
}
/*
* med_err_t to string
*/
static char *
med_strerror(
med_err_t *medep
)
{
static char buf[1024];
char *p = buf;
char *emsg;
if (medep->med_errno < 0) {
if ((emsg = med_errnum_to_str(medep->med_errno)) != NULL)
return (emsg);
(void) sprintf(p,
"unknown mediator errno %d\n", medep->med_errno);
return (buf);
} else {
if ((emsg = strerror(medep->med_errno)) != NULL)
return (emsg);
(void) sprintf(p,
"errno %d out of range", medep->med_errno);
return (buf);
}
}
/*
* printf-like log
*/
static void
med_vprintf(
const char *fmt,
va_list ap
)
{
if (isatty(fileno(stderr))) {
#ifdef _REENTRANT
static mutex_t stderr_mx = DEFAULTMUTEX;
med_mx_lock(&stderr_mx);
#endif /* _REENTRANT */
(void) vfprintf(stderr, fmt, ap);
(void) fflush(stderr);
(void) fsync(fileno(stderr));
#ifdef _REENTRANT
med_mx_unlock(&stderr_mx);
#endif /* _REENTRANT */
}
vsyslog(LOG_ERR, fmt, ap);
}
/*PRINTFLIKE1*/
void
med_eprintf(
const char *fmt,
...
)
{
va_list ap;
va_start(ap, fmt);
med_vprintf(fmt, ap);
va_end(ap);
}
/*
* printf-like perror() log
*/
/*PRINTFLIKE2*/
static void
med_vperror(
med_err_t *medep,
const char *fmt,
va_list ap
)
{
char buf[1024];
char *p = buf;
size_t len = sizeof (buf);
int n;
if ((medep->med_node != NULL) && (medep->med_node[0] != '\0')) {
n = snprintf(p, len, "%s: ", medep->med_node);
p += n;
len -= n;
}
if ((medep->med_misc != NULL) && (medep->med_misc[0] != '\0')) {
n = snprintf(p, len, "%s: ", medep->med_misc);
p += n;
len -= n;
}
if ((fmt != NULL) && (*fmt != '\0')) {
n = vsnprintf(p, len, fmt, ap);
p += n;
len -= n;
n = snprintf(p, len, ": ");
p += n;
len -= n;
}
(void) snprintf(p, len, "%s", med_strerror(medep));
med_eprintf("%s\n", buf);
}
/*PRINTFLIKE2*/
void
medde_perror(
med_err_t *medep,
const char *fmt,
...
)
{
va_list ap;
va_start(ap, fmt);
med_vperror(medep, fmt, ap);
va_end(ap);
}
/*PRINTFLIKE1*/
void
med_perror(
const char *fmt,
...
)
{
va_list ap;
med_err_t status = med_null_err;
(void) med_error(&status, errno, NULL);
va_start(ap, fmt);
med_vperror(&status, fmt, ap);
va_end(ap);
med_clrerror(&status);
}
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