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94530bc64f
MFC after: 1 month
249 lines
6.4 KiB
C
249 lines
6.4 KiB
C
/*
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* Copyright (c) 1997, 2001 Hellmuth Michaelis. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*---------------------------------------------------------------------------
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*
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* i4b daemon - logging routines
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* -----------------------------
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*
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* $FreeBSD$
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*
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* last edit-date: [Wed Dec 26 12:49:45 2001]
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*
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*---------------------------------------------------------------------------*/
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#include "isdnd.h"
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#define LOGBUFLEN 256
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extern int do_monitor;
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extern int accepted;
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extern FILE *logfp;
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static void check_reg(char *logstring);
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struct logtab {
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char *text;
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int pri;
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};
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/*---------------------------------------------------------------------------*
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* table for converting internal log levels into syslog levels
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*---------------------------------------------------------------------------*/
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static struct logtab logtab[] = {
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{"ERR", LOG_ERR}, /* error conditions */
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{"WRN", LOG_WARNING}, /* warning conditions, nonfatal */
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{"DMN", LOG_NOTICE}, /* significant conditions of the daemon */
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{"CHD", LOG_INFO}, /* informational, call handling */
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{"DBG", LOG_DEBUG}, /* debug messages */
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{"MER", LOG_ERR}, /* monitor error conditions */
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{"PKT", LOG_INFO} /* packet logging */
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};
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/*---------------------------------------------------------------------------*
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* initialize logging
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*---------------------------------------------------------------------------*/
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void
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init_log(void)
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{
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int i;
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if(uselogfile)
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{
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if((logfp = fopen(logfile, "a")) == NULL)
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{
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fprintf(stderr, "ERROR, cannot open logfile %s: %s\n",
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logfile, strerror(errno));
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exit(1);
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}
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/* set unbuffered operation */
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setvbuf(logfp, (char *)NULL, _IONBF, 0);
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}
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else
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{
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#if DEBUG
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if(do_debug && do_fork == 0 && do_fullscreen == 0)
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(void)openlog("isdnd",
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LOG_PID|LOG_CONS|LOG_NDELAY|LOG_PERROR,
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logfacility);
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else
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#endif
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(void)openlog("isdnd", LOG_PID|LOG_CONS|LOG_NDELAY,
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logfacility);
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}
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/* initialize the regexp array */
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for(i = 0; i < MAX_RE; i++)
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{
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char *p;
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char buf[64];
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snprintf(buf, sizeof(buf), "%s%d", REGPROG_DEF, i);
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rarr[i].re_flg = 0;
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if((p = malloc(strlen(buf) + 1)) == NULL)
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{
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log(LL_DBG, "init_log: malloc failed: %s", strerror(errno));
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do_exit(1);
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}
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strcpy(p, buf);
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rarr[i].re_prog = p;
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}
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}
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/*---------------------------------------------------------------------------*
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* finish logging
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*---------------------------------------------------------------------------*/
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void
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finish_log(void)
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{
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if(uselogfile && logfp)
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{
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fflush(logfp);
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fclose(logfp);
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}
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else
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{
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(void)closelog();
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}
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}
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/*---------------------------------------------------------------------------*
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* place entry into logfile
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*---------------------------------------------------------------------------*/
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void
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log(int what, const char *fmt, ...)
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{
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char buffer[LOGBUFLEN];
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register char *dp;
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va_list ap;
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va_start(ap, fmt);
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vsnprintf(buffer, LOGBUFLEN-1, fmt, ap);
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va_end(ap);
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dp = getlogdatetime(); /* get time string ptr */
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#ifdef USE_CURSES
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/* put log on screen ? */
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if((do_fullscreen && curses_ready) &&
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((!debug_noscreen) || (debug_noscreen && (what != LL_DBG))))
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{
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wprintw(lower_w, "%s %s %-.*s\n", dp, logtab[what].text,
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/*
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* FreeBSD-current integrated ncurses. Since then it is no longer possible
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* to write to the last column in the logfilewindow without causing an
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* automatic newline to occur resulting in a blank line in that window.
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*/
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#ifdef __FreeBSD__
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#include <osreldate.h>
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#endif
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#if defined(__FreeBSD_version) && __FreeBSD_version >= 400009
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#warning "FreeBSD ncurses is buggy: write to last column = auto newline!"
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COLS-((strlen(dp))+(strlen(logtab[what].text))+3), buffer);
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#else
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(int)(COLS-((strlen(dp))+(strlen(logtab[what].text))+2)), buffer);
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#endif
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wrefresh(lower_w);
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}
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#endif
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#ifdef I4B_EXTERNAL_MONITOR
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if(what != LL_MER) /* don't send monitor errs, endless loop !!! */
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monitor_evnt_log(logtab[what].pri, logtab[what].text, buffer);
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#endif
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if(uselogfile)
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{
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fprintf(logfp, "%s %s %s\n", dp, logtab[what].text, buffer);
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}
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else
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{
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register char *s = buffer;
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/* strip leading spaces from syslog output */
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while(*s && (*s == ' '))
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s++;
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syslog(logtab[what].pri, "%s %s", logtab[what].text, s);
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}
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#if DEBUG
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if(what != LL_DBG) /* don't check debug logs, endless loop !!! */
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#endif
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check_reg(buffer);
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}
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/*---------------------------------------------------------------------------*
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* return ptr to static area containing date/time
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*---------------------------------------------------------------------------*/
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char *
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getlogdatetime()
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{
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static char logdatetime[41];
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time_t tim;
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register struct tm *tp;
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tim = time(NULL);
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tp = localtime(&tim);
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strftime(logdatetime,40,I4B_TIME_FORMAT,tp);
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return(logdatetime);
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}
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/*---------------------------------------------------------------------------*
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* check for a match in the regexp array
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*---------------------------------------------------------------------------*/
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static void
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check_reg(char *logstring)
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{
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register int i;
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for(i = 0; i < MAX_RE; i++)
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{
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if(rarr[i].re_flg && (!regexec(&(rarr[i].re), logstring, (size_t) 0, NULL, 0)))
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{
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char* argv[3];
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argv[0] = rarr[i].re_prog;
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argv[1] = logstring;
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argv[2] = NULL;
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exec_prog(rarr[i].re_prog, argv);
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break;
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}
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}
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}
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/* EOF */
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