109 lines
2.9 KiB
C
109 lines
2.9 KiB
C
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/*
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* Copyright 1985, 1986, 1987, 1988 by the Massachusetts Institute
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* of Technology.
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* For copying and distribution information, please see the file
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* <Copyright.MIT>.
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*
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* from: klog.c,v 4.6 88/12/01 14:06:05 jtkohl Exp $
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* $Id: klog.c,v 1.2 1994/07/19 19:25:37 g89r4222 Exp $
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*/
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#ifndef lint
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static char *rcsid =
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"$Id: klog.c,v 1.2 1994/07/19 19:25:37 g89r4222 Exp $";
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#endif /* lint */
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#include <sys/time.h>
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#include <stdio.h>
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#include <krb.h>
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#include <klog.h>
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static char *log_name = KRBLOG;
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static int is_open;
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static char logtxt[1000];
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/*
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* This file contains two logging routines: kset_logfile()
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* to determine the file to which log entries should be written;
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* and klog() to write log entries to the file.
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*/
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/*
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* klog() is used to add entries to the logfile (see kset_logfile()
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* below). Note that it is probably not portable since it makes
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* assumptions about what the compiler will do when it is called
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* with less than the correct number of arguments which is the
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* way it is usually called.
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*
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* The log entry consists of a timestamp and the given arguments
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* printed according to the given "format" string.
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*
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* The log file is opened and closed for each log entry.
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*
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* If the given log type "type" is unknown, or if the log file
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* cannot be opened, no entry is made to the log file.
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*
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* The return value is always a pointer to the formatted log
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* text string "logtxt".
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*/
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char * klog(type,format,a1,a2,a3,a4,a5,a6,a7,a8,a9,a0)
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int type;
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char *format;
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int a1,a2,a3,a4,a5,a6,a7,a8,a9,a0;
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{
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FILE *logfile, *fopen();
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long time(),now;
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char *month_sname();
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struct tm *tm;
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static int logtype_array[NLOGTYPE] = {0,0};
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static int array_initialized;
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if (!(array_initialized++)) {
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logtype_array[L_NET_ERR] = 1;
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logtype_array[L_KRB_PERR] = 1;
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logtype_array[L_KRB_PWARN] = 1;
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logtype_array[L_APPL_REQ] = 1;
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logtype_array[L_INI_REQ] = 1;
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logtype_array[L_DEATH_REQ] = 1;
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logtype_array[L_NTGT_INTK] = 1;
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logtype_array[L_ERR_SEXP] = 1;
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logtype_array[L_ERR_MKV] = 1;
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logtype_array[L_ERR_NKY] = 1;
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logtype_array[L_ERR_NUN] = 1;
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logtype_array[L_ERR_UNK] = 1;
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}
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(void) sprintf(logtxt,format,a1,a2,a3,a4,a5,a6,a7,a8,a9,a0);
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if (!logtype_array[type])
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return(logtxt);
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if ((logfile = fopen(log_name,"a")) == NULL)
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return(logtxt);
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(void) time(&now);
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tm = localtime(&now);
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fprintf(logfile,"%2d-%s-%02d %02d:%02d:%02d ",tm->tm_mday,
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month_sname(tm->tm_mon + 1),tm->tm_year,
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tm->tm_hour, tm->tm_min, tm->tm_sec);
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fprintf(logfile,"%s\n",logtxt);
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(void) fclose(logfile);
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return(logtxt);
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}
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/*
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* kset_logfile() changes the name of the file to which
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* messages are logged. If kset_logfile() is not called,
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* the logfile defaults to KRBLOG, defined in "krb.h".
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*/
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kset_logfile(filename)
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char *filename;
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{
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log_name = filename;
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is_open = 0;
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}
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