169 lines
3.1 KiB
C
169 lines
3.1 KiB
C
/* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */
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/* Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T */
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/* All Rights Reserved */
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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF */
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/* UNIX System Laboratories, Inc. */
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/* The copyright notice above does not evidence any */
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/* actual or intended publication of such source code. */
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# ident "@(#)saf:log.c 1.5.6.1"
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# include <stdio.h>
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# include <unistd.h>
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# include <sys/types.h>
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# include <sac.h>
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#ifndef sgi
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# include <priv.h>
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#endif
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# include "extern.h"
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# include "misc.h"
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# include "msgs.h"
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# include "structs.h"
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static FILE *Lfp; /* log file */
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# ifdef DEBUG
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static FILE *Dfp; /* debug file */
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# endif
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/*
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* Procedure: openlog - open log file, sets global file pointer Lfp
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*
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*
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* Restrictions:
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fprintf: none
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lockf: none
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* fopen: none
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*/
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void
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openlog()
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{
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FILE *fp; /* scratch file pointer for problems */
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Lfp = fopen(LOGFILE, "a+");
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if (Lfp == NULL) {
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fp = fopen("/dev/console", "w");
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if (fp) {
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(void) fprintf(fp, "SAC: could not open logfile\n");
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}
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exit(1);
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}
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/*
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* lock logfile to indicate presence
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*/
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if (lockf(fileno(Lfp), F_LOCK, 0) < 0) {
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fp = fopen("/dev/console", "w");
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if (fp) {
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(void) fprintf(fp, "SAC: could not lock logfile\n");
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}
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exit(1);
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}
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}
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/*
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* Procedure: log - put a message into the log file
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*
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* Args: msg - message to be logged
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*
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* Restrictions:
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ctime: none
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sprintf: none
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fprintf: none
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fflush: none
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*/
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void
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log(msg)
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char *msg;
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{
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char *timestamp; /* current time in readable form */
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long clock; /* current time in seconds */
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char buf[SIZE]; /* scratch buffer */
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(void) time(&clock);
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timestamp = ctime(&clock);
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*(strchr(timestamp, '\n')) = '\0';
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(void) sprintf(buf, "%s; %ld; %s\n", timestamp, getpid(), msg);
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(void) fprintf(Lfp, buf);
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(void) fflush(Lfp);
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}
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/*
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* Procedure: error - put an error message into the log file and exit if indicated
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*
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* Args: msgid - id of message to be output
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* action - action to be taken (EXIT or not)
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*/
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void
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error(msgid, action)
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int msgid;
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int action;
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{
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if (msgid < 0 || msgid > N_msgs)
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return;
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log(Msgs[msgid].e_str);
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if (action == EXIT) {
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log("*** SAC exiting ***");
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exit(Msgs[msgid].e_exitcode);
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}
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}
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# ifdef DEBUG
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/*
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* Procedure: opendebug - open debugging file, sets global file pointer Dfp
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*/
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void
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opendebug()
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{
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FILE *fp; /* scratch file pointer for problems */
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Dfp = fopen(DBGFILE, "a+");
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if (Dfp == NULL) {
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fp = fopen("/dev/console", "w");
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if (fp) {
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(void) fprintf(fp, "SAC: could not open debugfile\n");
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}
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exit(1);
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}
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}
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/*
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* Procedure: debug - put a message into debug file
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*
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* Args: msg - message to be output
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*/
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void
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debug(msg)
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char *msg;
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{
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char *timestamp; /* current time in readable form */
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long clock; /* current time in seconds */
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char buf[SIZE]; /* scratch buffer */
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(void) time(&clock);
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timestamp = ctime(&clock);
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*(strchr(timestamp, '\n')) = '\0';
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(void) sprintf(buf, "%s; %ld; %s\n", timestamp, getpid(), msg);
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(void) fprintf(Dfp, buf);
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(void) fflush(Dfp);
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}
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# endif
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