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/*
* Routines to report various classes of problems. Each report is decorated
* with the current context (file name and line number), if available.
*
* tcpd_warn() reports a problem and proceeds.
*
* tcpd_jump() reports a problem and jumps.
*
* Author: Wietse Venema, Eindhoven University of Technology, The Netherlands.
*/
#ifndef lint
static char sccsid[] = "@(#) diag.c 1.1 94/12/28 17:42:20";
#endif
/* System libraries */
#include <syslog.h>
#include <stdio.h>
#include <setjmp.h>
/* Local stuff */
#include "tcpd.h"
#include "mystdarg.h"
struct tcpd_context tcpd_context;
jmp_buf tcpd_buf;
/* tcpd_diag - centralize error reporter */
static void tcpd_diag(int severity, char *tag, char *format, va_list ap)
{
char fmt[BUFSIZ];
if (tcpd_context.file)
sprintf(fmt, "%s: %s, line %d: %s",
tag, tcpd_context.file, tcpd_context.line, format);
else
sprintf(fmt, "%s: %s", tag, format);
vsyslog(severity, fmt, ap);
}
/* tcpd_warn - report problem of some sort and proceed */
void VARARGS(tcpd_warn, char *, format)
{
va_list ap;
VASTART(ap, char *, format);
tcpd_diag(LOG_ERR, "warning", format, ap);
VAEND(ap);
}
/* tcpd_jump - report serious problem and jump */
void VARARGS(tcpd_jump, char *, format)
{
va_list ap;
VASTART(ap, char *, format);
tcpd_diag(LOG_ERR, "error", format, ap);
VAEND(ap);
longjmp(tcpd_buf, AC_ERROR);
}
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