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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#pragma weak err = _err
#pragma weak errx = _errx
#pragma weak verr = _verr
#pragma weak verrx = _verrx
#pragma weak warn = _warn
#pragma weak warnx = _warnx
#pragma weak vwarn = _vwarn
#pragma weak vwarnx = _vwarnx
#include "synonyms.h"
#include "file64.h"
#include "mtlib.h"
#include <sys/types.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <errno.h>
#include "stdiom.h"
/* Function exit/warning functions and global variables. */
static const char *progname;
/*
* warncore() is the workhorse of these functions. Everything else has
* a warncore() component in it.
*/
static rmutex_t *
warncore(FILE *fp, const char *fmt, va_list args)
{
const char *execname;
rmutex_t *lk;
FLOCKFILE(lk, fp);
if (progname == NULL) {
execname = getexecname();
if ((execname != NULL) &&
((progname = strrchr(execname, '/')) != NULL))
progname++;
else
progname = execname;
}
if (progname != NULL)
(void) fprintf(fp, "%s: ", progname);
if (fmt != NULL) {
(void) vfprintf(fp, fmt, args);
}
return (lk);
}
/* Finish a warning with a newline and a flush of stderr. */
static void
warnfinish(FILE *fp, rmutex_t *lk)
{
(void) fputc('\n', fp);
(void) fflush(fp);
FUNLOCKFILE(lk);
}
void
_vwarnxfp(FILE *fp, const char *fmt, va_list args)
{
rmutex_t *lk;
lk = warncore(fp, fmt, args);
warnfinish(fp, lk);
}
void
vwarnx(const char *fmt, va_list args)
{
_vwarnxfp(stderr, fmt, args);
}
void
_vwarnfp(FILE *fp, const char *fmt, va_list args)
{
int tmperr = errno; /* Capture errno now. */
rmutex_t *lk;
lk = warncore(fp, fmt, args);
if (fmt != NULL) {
(void) fputc(':', fp);
(void) fputc(' ', fp);
}
(void) fputs(strerror(tmperr), fp);
warnfinish(fp, lk);
}
void
vwarn(const char *fmt, va_list args)
{
_vwarnfp(stderr, fmt, args);
}
/* PRINTFLIKE1 */
void
warnx(const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vwarnx(fmt, args);
va_end(args);
}
void
_warnfp(FILE *fp, const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
_vwarnfp(fp, fmt, args);
va_end(args);
}
void
_warnxfp(FILE *fp, const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
_vwarnxfp(fp, fmt, args);
va_end(args);
}
/* PRINTFLIKE1 */
void
warn(const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vwarn(fmt, args);
va_end(args);
}
/* PRINTFLIKE2 */
void
err(int status, const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vwarn(fmt, args);
va_end(args);
exit(status);
}
void
_errfp(FILE *fp, int status, const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
_vwarnfp(fp, fmt, args);
va_end(args);
exit(status);
}
void
verr(int status, const char *fmt, va_list args)
{
vwarn(fmt, args);
exit(status);
}
void
_verrfp(FILE *fp, int status, const char *fmt, va_list args)
{
_vwarnfp(fp, fmt, args);
exit(status);
}
/* PRINTFLIKE2 */
void
errx(int status, const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vwarnx(fmt, args);
va_end(args);
exit(status);
}
void
_errxfp(FILE *fp, int status, const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
_vwarnxfp(fp, fmt, args);
va_end(args);
exit(status);
}
void
verrx(int status, const char *fmt, va_list args)
{
vwarnx(fmt, args);
exit(status);
}
void
_verrxfp(FILE *fp, int status, const char *fmt, va_list args)
{
_vwarnxfp(fp, fmt, args);
exit(status);
}
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