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/* errwarn.c
Errors and warnings... */
/*
* Copyright (c) 1996 The Internet Software Consortium.
* All Rights Reserved.
* 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, the Internet Software
* Consortium 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, THE INTERNET
* SOFTWARE CONSORTIUM 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. Further modifications have
* been made for the Internet Software Consortium under a contract
* with Vixie Laboratories.
*/
#ifndef lint
static char copyright[] =
"$Id: errwarn.c,v 1.11 1996/09/02 21:15:27 mellon Exp $ Copyright (c) 1996 The Internet Software Consortium. All rights reserved.\n";
#endif /* not lint */
#include "dhcpd.h"
#include <errno.h>
static void do_percentm PROTO ((char *obuf, char *ibuf));
static char mbuf [1024];
static char fbuf [1024];
int warnings_occurred;
/* Log an error message, then exit... */
void error (ANSI_DECL(char *) fmt, VA_DOTDOTDOT)
KandR (char *fmt;)
va_dcl
{
va_list list;
extern int logged_in;
do_percentm (fbuf, fmt);
VA_start (list, fmt);
vsnprintf (mbuf, sizeof mbuf, fbuf, list);
va_end (list);
#ifndef DEBUG
syslog (log_priority | LOG_ERR, mbuf);
#endif
/* Also log it to stderr? */
if (log_perror) {
write (1, mbuf, strlen (mbuf));
write (1, "\n", 1);
}
cleanup ();
exit (1);
}
/* Log a warning message... */
int warn (ANSI_DECL (char *) fmt, VA_DOTDOTDOT)
KandR (char *fmt;)
va_dcl
{
va_list list;
do_percentm (fbuf, fmt);
VA_start (list, fmt);
vsnprintf (mbuf, sizeof mbuf, fbuf, list);
va_end (list);
#ifndef DEBUG
syslog (log_priority | LOG_ERR, mbuf);
#endif
if (log_perror) {
write (1, mbuf, strlen (mbuf));
write (1, "\n", 1);
}
return 0;
}
/* Log a note... */
int note (ANSI_DECL (char *) fmt, VA_DOTDOTDOT)
KandR (char *fmt;)
va_dcl
{
va_list list;
do_percentm (fbuf, fmt);
VA_start (list, fmt);
vsnprintf (mbuf, sizeof mbuf, fbuf, list);
va_end (list);
#ifndef DEBUG
syslog (log_priority | LOG_INFO, mbuf);
#endif
if (log_perror) {
write (1, mbuf, strlen (mbuf));
write (1, "\n", 1);
}
return 0;
}
/* Log a debug message... */
int debug (ANSI_DECL (char *) fmt, VA_DOTDOTDOT)
KandR (char *fmt;)
va_dcl
{
va_list list;
do_percentm (fbuf, fmt);
VA_start (list, fmt);
vsnprintf (mbuf, sizeof mbuf, fbuf, list);
va_end (list);
#ifndef DEBUG
syslog (log_priority | LOG_DEBUG, mbuf);
#endif
if (log_perror) {
write (1, mbuf, strlen (mbuf));
write (1, "\n", 1);
}
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;
}
int parse_warn (ANSI_DECL (char *) fmt, VA_DOTDOTDOT)
KandR (char *fmt;)
va_dcl
{
va_list list;
static char spaces [] = " ";
do_percentm (mbuf, fmt);
#ifndef NO_SNPRINTF
snprintf (fbuf, sizeof fbuf, "%s line %d: %s",
tlname, lexline, mbuf);
#else
sprintf (fbuf, "%s line %d: %s",
tlname, lexline, mbuf);
#endif
VA_start (list, fmt);
vsnprintf (mbuf, sizeof mbuf, fbuf, list);
va_end (list);
#ifndef DEBUG
syslog (log_priority | LOG_ERR, mbuf);
syslog (log_priority | LOG_ERR, token_line);
if (lexline < 81)
syslog (log_priority | LOG_ERR,
"%s^", &spaces [sizeof spaces - lexchar]);
#endif
if (log_perror) {
write (1, mbuf, strlen (mbuf));
write (1, "\n", 1);
write (1, token_line, strlen (token_line));
write (1, "\n", 1);
write (1, spaces, lexchar - 1);
write (1, "^\n", 2);
}
warnings_occurred = 1;
return 0;
}
#ifdef NO_STRERROR
char *strerror (err)
int err;
{
extern char *sys_errlist [];
extern int sys_nerr;
static char errbuf [128];
if (err < 0 || err >= sys_nerr) {
sprintf (errbuf, "Error %d", err);
return errbuf;
}
return sys_errlist [err];
}
#endif /* NO_STRERROR */
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