cmd/tip/log.c

/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved. The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

#include "tip.h"

static  FILE *flog = NULL;

/*
 * Log file maintenance routines
 */
void
logent(char *group, char *num, char *acu, char *message)
{
    char *user, *timestamp;
    struct passwd *pwd;
    time_t t;

    if (flog == NULL)
        return;
#ifndef USG
    if (flock(fileno(flog), LOCK_EX) < 0) {
        perror("tip: flock");
        return;
    }
#endif
    if ((user = getlogin()) == NOSTR)
        if ((pwd = getpwuid(uid)) == NOPWD)
            user = "???";
        else
            user = pwd->pw_name;
    t = time(0);
    timestamp = ctime(&t);
    timestamp[24] = '\0';
    (void) fprintf(flog, "%s (%s) <%s, %s, %s> %s\n",
        user, timestamp, group,
#ifdef PRISTINE
        "",
#else
        num,
#endif
        acu, message);
    (void) fflush(flog);
#ifndef USG
    (void) flock(fileno(flog), LOCK_UN);
#endif
}

void
loginit(void)
{

#ifdef ACULOG
    flog = fopen(value(LOG), "a");
    if (flog == NULL)
        (void) fprintf(stderr, "tip: can't open log file %s\r\n",
            value(LOG));
#endif
}