105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
/* Copyright (C) 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Mark Kettenis <kettenis@phys.uva.nl>, 1997.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <syslog.h>
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#include "utmpd-private.h"
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/* This variable indicates if we have forked. If set, we log messages
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via the system logger. Otherwise we simply print the program name
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and the message to standard error. */
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int forked = 0;
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/* Log error message MESSAGE, which is a printf-style format string
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with optional args.
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If ERRNUM is nonzero, also log its corresponding system error message.
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Exit with status STATUS if it is nonzero. */
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void
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error (int status, int errnum, const char *message, ...)
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{
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va_list ap;
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char *buffer = NULL;
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va_start (ap, message);
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vasprintf (&buffer, message, ap);
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va_end (ap);
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if (forked)
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{
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if (errnum == 0)
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syslog (LOG_ERR, "%s", buffer);
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else
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syslog (LOG_ERR, "%s: %s", buffer, strerror (errnum));
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}
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else
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{
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if (errnum == 0)
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fprintf (stderr, "%s: %s\n", program_invocation_name, buffer);
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else
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fprintf (stderr, "%s: %s: %s\n", program_invocation_name, buffer,
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strerror (errnum));
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}
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if (buffer)
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free (buffer);
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if (status)
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exit (status);
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}
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/* Log warning message MESSAGE, which is a printf-style format string
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with optional args.
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If ERRNUM is nonzero, also log its corresponding system error message. */
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void
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warning (int errnum, const char *message, ...)
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{
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va_list ap;
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char *buffer = NULL;
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va_start (ap, message);
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vasprintf (&buffer, message, ap);
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va_end (ap);
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if (forked)
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{
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if (errnum == 0)
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syslog (LOG_WARNING, "%s", buffer);
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else
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syslog (LOG_WARNING, "%s: %s", buffer, strerror (errnum));
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}
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else
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{
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if (errnum == 0)
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printf ("%s: %s\n", program_invocation_name, buffer);
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else
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printf ("%s: %s: %s\n", program_invocation_name, buffer,
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strerror (errnum));
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}
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if (buffer)
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free (buffer);
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}
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