[BACK]Return to diag.c CVS log [TXT][DIR] Up to [local] / src / lib / libwrap
File: [local] / src / lib / libwrap / Attic / diag.c (download)

Revision 1.4, Wed Jun 19 07:12:42 2002 UTC (21 years, 11 months ago) by deraadt
Branch: MAIN
CVS Tags: OPENBSD_4_6_BASE, OPENBSD_4_6, OPENBSD_4_5_BASE, OPENBSD_4_5, OPENBSD_4_4_BASE, OPENBSD_4_4, OPENBSD_4_3_BASE, OPENBSD_4_3, OPENBSD_4_2_BASE, OPENBSD_4_2, OPENBSD_4_1_BASE, OPENBSD_4_1, OPENBSD_4_0_BASE, OPENBSD_4_0, OPENBSD_3_9_BASE, OPENBSD_3_9, OPENBSD_3_8_BASE, OPENBSD_3_8, OPENBSD_3_7_BASE, OPENBSD_3_7, OPENBSD_3_6_BASE, OPENBSD_3_6, OPENBSD_3_5_BASE, OPENBSD_3_5, OPENBSD_3_4_BASE, OPENBSD_3_4, OPENBSD_3_3_BASE, OPENBSD_3_3, OPENBSD_3_2_BASE, OPENBSD_3_2
Changes since 1.3: +4 -4 lines 

use more snprintf

/*	$OpenBSD: diag.c,v 1.4 2002/06/19 07:12:42 deraadt Exp $	*/

 /*
  * 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
#if 0
static char sccsid[] = "@(#) diag.c 1.1 94/12/28 17:42:20";
#else
static char rcsid[] = "$OpenBSD: diag.c,v 1.4 2002/06/19 07:12:42 deraadt Exp $";
#endif
#endif

/* System libraries */

#include <syslog.h>
#include <stdio.h>
#include <stdarg.h>
#include <setjmp.h>

/* Local stuff */

#include "tcpd.h"

struct tcpd_context tcpd_context;
jmp_buf tcpd_buf;

static void tcpd_diag(int, char *, char *, va_list)
	__attribute__((__format__(__printf__, 3, 0)));

/* tcpd_diag - centralize error reporter */

static void tcpd_diag(severity, tag, format, ap)
int     severity;
char   *tag;
char   *format;
va_list ap;
{
    char    fmt[BUFSIZ];

    if (tcpd_context.file)
	snprintf(fmt, sizeof fmt, "%s: %s, line %d: %s",
		tag, tcpd_context.file, tcpd_context.line, format);
    else
	snprintf(fmt, sizeof fmt, "%s: %s", tag, format);
    vsyslog(severity, fmt, ap);
}

/* tcpd_warn - report problem of some sort and proceed */

void	tcpd_warn(char *format, ...)
{
    va_list ap;

    va_start(ap, format);
    tcpd_diag(LOG_ERR, "warning", format, ap);
    va_end(ap);
}

/* tcpd_jump - report serious problem and jump */

void    tcpd_jump(char *format, ...)
{
    va_list ap;

    va_start(ap, format);
    tcpd_diag(LOG_ERR, "error", format, ap);
    va_end(ap);
    longjmp(tcpd_buf, AC_ERROR);
}