/* errwarn.c

   Errors and warnings... */

/*
 * Copyright (c) 1995 RadioMail Corporation.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of RadioMail Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY RADIOMAIL CORPORATION AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
 * RADIOMAIL CORPORATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software was written for RadioMail Corporation by Ted Lemon
 * under a contract with Vixie Enterprises, and is based on an earlier
 * design by Paul Vixie.
 */

#ifndef lint
static char copyright[] =
"@(#) Copyright (c) 1995 RadioMail Corporation.  All rights reserved.\n";
#endif /* not lint */

#include "osdep.h"
#include "cdefs.h"
#include "global.h"
#include <syslog.h>
#include <errno.h>

static void do_percentm PROTO ((char *obuf, char *ibuf));

/* Log an error message, then exit... */

int error (ANSI_DECL(char *) fmt, VA_DOTDOTDOT)
     KandR (char *fmt;)
     va_dcl
{
  va_list list;
  char mbuf [1024];
  char fbuf [1024];
  extern int logged_in;

  do_percentm (fbuf, fmt);

  VA_start (list, fmt);
  vsnprintf (mbuf, sizeof mbuf, fbuf, list);
  va_end (list);
  syslog (LOG_ERR, mbuf);

  cleanup ();
  exit (1);
}

/* Log a warning message... */

int warn (ANSI_DECL (char *) fmt, VA_DOTDOTDOT)
     KandR (char *fmt;)
     va_dcl
{
  va_list list;
  char mbuf [1024];
  char fbuf [1024];

  do_percentm (fbuf, fmt);

  VA_start (list, fmt);
  vsnprintf (mbuf, sizeof mbuf, fbuf, list);
  va_end (list);
  syslog (LOG_ERR, mbuf);
  return 0;
}

/* Log an informational message... */

int info (ANSI_DECL (char *) fmt, VA_DOTDOTDOT)
     KandR (char *fmt;)
     va_dcl
{
  va_list list;
  char mbuf [1024];
  char fbuf [1024];

  do_percentm (fbuf, fmt);

  VA_start (list, fmt);
  vsnprintf (mbuf, sizeof mbuf, fbuf, list);
  va_end (list);
  syslog (LOG_INFO, mbuf);
  return 0;
}

/* Log a warning message... */

int debug (ANSI_DECL (char *) fmt, VA_DOTDOTDOT)
     KandR (char *fmt;)
     va_dcl
{
  va_list list;
  char mbuf [1024];
  char fbuf [1024];

  do_percentm (fbuf, fmt);

  VA_start (list, fmt);
  vsnprintf (mbuf, sizeof mbuf, fbuf, list);
  va_end (list);
  syslog (LOG_DEBUG, mbuf);
  return 0;
}

/* Find %m in the input string and substitute an error message string. */

static void do_percentm (obuf, ibuf)
     char *obuf;
     char *ibuf;
{
  char *s = ibuf;
  char *p = obuf;
  int infmt = 0;

  while (*s)
    {
      if (infmt)
	{
	  if (*s == 'm')
	    {
	      strcpy (p - 1, strerror (errno));
	      p += strlen (p);
	      ++s;
	    }
	  else
	    *p++ = *s++;
	  infmt = 0;
	}
      else
	{
	  if (*s == '%')
	    infmt = 1;
	  *p++ = *s++;
	}
    }
  *p = 0;
}