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/*
* Copyright 1985, 1986, 1987, 1988 by the Massachusetts Institute
* of Technology.
* For copying and distribution information, please see the file
* <Copyright.MIT>.
*
* from: log.c,v 4.7 88/12/01 14:15:14 jtkohl Exp $
* $Id: log.c,v 1.2 1994/07/19 19:25:53 g89r4222 Exp $
*/
#ifndef lint
static char *rcsid =
"$Id: log.c,v 1.2 1994/07/19 19:25:53 g89r4222 Exp $";
#endif /* lint */
#include <sys/time.h>
#include <stdio.h>
#include <krb.h>
#include <klog.h>
static char *log_name = KRBLOG;
static is_open;
/*
* This file contains three logging routines: set_logfile()
* to determine the file that log entries should be written to;
* and log() and new_log() to write log entries to the file.
*/
/*
* log() is used to add entries to the logfile (see set_logfile()
* below). Note that it is probably not portable since it makes
* assumptions about what the compiler will do when it is called
* with less than the correct number of arguments which is the
* way it is usually called.
*
* The log entry consists of a timestamp and the given arguments
* printed according to the given "format".
*
* The log file is opened and closed for each log entry.
*
* The return value is undefined.
*/
__BEGIN_DECLS
char *month_sname __P((int));
__END_DECLS
/*VARARGS1 */
void log(format,a1,a2,a3,a4,a5,a6,a7,a8,a9,a0)
char *format;
int a1,a2,a3,a4,a5,a6,a7,a8,a9,a0;
{
FILE *logfile, *fopen();
long time(),now;
struct tm *tm;
if ((logfile = fopen(log_name,"a")) == NULL)
return;
(void) time(&now);
tm = localtime(&now);
fprintf(logfile,"%2d-%s-%02d %02d:%02d:%02d ",tm->tm_mday,
month_sname(tm->tm_mon + 1),tm->tm_year,
tm->tm_hour, tm->tm_min, tm->tm_sec);
fprintf(logfile,format,a1,a2,a3,a4,a5,a6,a7,a8,a9,a0);
fprintf(logfile,"\n");
(void) fclose(logfile);
return;
}
/*
* set_logfile() changes the name of the file to which
* messages are logged. If set_logfile() is not called,
* the logfile defaults to KRBLOG, defined in "krb.h".
*/
set_logfile(filename)
char *filename;
{
log_name = filename;
is_open = 0;
}
/*
* new_log() appends a log entry containing the give time "t" and the
* string "string" to the logfile (see set_logfile() above). The file
* is opened once and left open. The routine returns 1 on failure, 0
* on success.
*/
new_log(t,string)
long t;
char *string;
{
static FILE *logfile;
long time();
struct tm *tm;
if (!is_open) {
if ((logfile = fopen(log_name,"a")) == NULL) return(1);
is_open = 1;
}
if (t) {
tm = localtime(&t);
fprintf(logfile,"\n%2d-%s-%02d %02d:%02d:%02d %s",tm->tm_mday,
month_sname(tm->tm_mon + 1),tm->tm_year,
tm->tm_hour, tm->tm_min, tm->tm_sec, string);
}
else {
fprintf(logfile,"\n%20s%s","",string);
}
(void) fflush(logfile);
return(0);
}
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