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/* Copyright (C) 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Mark Kettenis <kettenis@phys.uva.nl>, 1997.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include "utmpd-private.h"
/* This variable indicates if we have forked. If set, we log messages
via the system logger. Otherwise we simply print the program name
and the message to standard error. */
int forked = 0;
/* Log error message MESSAGE, which is a printf-style format string
with optional args.
If ERRNUM is nonzero, also log its corresponding system error message.
Exit with status STATUS if it is nonzero. */
void
error (int status, int errnum, const char *message, ...)
{
va_list ap;
char *buffer = NULL;
va_start (ap, message);
vasprintf (&buffer, message, ap);
va_end (ap);
if (forked)
{
if (errnum == 0)
syslog (LOG_ERR, "%s", buffer);
else
syslog (LOG_ERR, "%s: %s", buffer, strerror (errnum));
}
else
{
if (errnum == 0)
fprintf (stderr, "%s: %s\n", program_invocation_name, buffer);
else
fprintf (stderr, "%s: %s: %s\n", program_invocation_name, buffer,
strerror (errnum));
}
if (buffer)
free (buffer);
if (status)
exit (status);
}
/* Log warning message MESSAGE, which is a printf-style format string
with optional args.
If ERRNUM is nonzero, also log its corresponding system error message. */
void
warning (int errnum, const char *message, ...)
{
va_list ap;
char *buffer = NULL;
va_start (ap, message);
vasprintf (&buffer, message, ap);
va_end (ap);
if (forked)
{
if (errnum == 0)
syslog (LOG_WARNING, "%s", buffer);
else
syslog (LOG_WARNING, "%s: %s", buffer, strerror (errnum));
}
else
{
if (errnum == 0)
printf ("%s: %s\n", program_invocation_name, buffer);
else
printf ("%s: %s: %s\n", program_invocation_name, buffer,
strerror (errnum));
}
if (buffer)
free (buffer);
}
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