115 lines
2.8 KiB
C
115 lines
2.8 KiB
C
/*
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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: log.c,v 4.7 88/12/01 14:15:14 jtkohl Exp $
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* $Id: log.c,v 1.3 1995/07/18 16:39:09 mark Exp $
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*/
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#if 0
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#ifndef lint
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static char *rcsid =
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"$Id: log.c,v 1.3 1995/07/18 16:39:09 mark Exp $";
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#endif /* lint */
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#endif
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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 is_open;
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/*
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* This file contains three logging routines: set_logfile()
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* to determine the file that log entries should be written to;
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* and log() and new_log() to write log entries to the file.
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*/
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/*
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* log() is used to add entries to the logfile (see set_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".
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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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* The return value is undefined.
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*/
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/*VARARGS1 */
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void log(char *format,int a1,int a2,int a3,int a4,int a5,int a6,int a7,
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int a8,int a9,int a0)
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{
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FILE *logfile;
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long now;
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struct tm *tm;
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if ((logfile = fopen(log_name,"a")) == NULL)
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return;
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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,format,a1,a2,a3,a4,a5,a6,a7,a8,a9,a0);
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fprintf(logfile,"\n");
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(void) fclose(logfile);
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return;
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}
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/*
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* set_logfile() changes the name of the file to which
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* messages are logged. If set_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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void set_logfile(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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/*
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* new_log() appends a log entry containing the give time "t" and the
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* string "string" to the logfile (see set_logfile() above). The file
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* is opened once and left open. The routine returns 1 on failure, 0
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* on success.
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*/
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int new_log(long t, char *string)
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{
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static FILE *logfile;
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long time();
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struct tm *tm;
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if (!is_open) {
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if ((logfile = fopen(log_name,"a")) == NULL) return(1);
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is_open = 1;
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}
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if (t) {
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tm = localtime(&t);
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fprintf(logfile,"\n%2d-%s-%02d %02d:%02d:%02d %s",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, string);
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}
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else {
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fprintf(logfile,"\n%20s%s","",string);
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}
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(void) fflush(logfile);
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return(0);
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}
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