127 lines
1.7 KiB
C
127 lines
1.7 KiB
C
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/*
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* log.c : logging and exit functions
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*
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <dos.h>
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#include <stdarg.h>
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//#include "log.h"
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#define FLUSH_LOGFILE
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#define LOG_FILENAME "log"
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static FILE *logfile = NULL;
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int nolog = 0;
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int debug_mode = 0;
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/* Universal logging function */
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void _cdecl syslog(char *s, ...)
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{
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va_list ap;
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return;
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if (!nolog) {
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va_start(ap, s);
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vfprintf(logfile, s, ap);
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fprintf(logfile, "\n");
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#ifdef FLUSH_LOGFILE
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fflush(logfile);
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#endif
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va_end(ap);
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}
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}
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void log_open(void)
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{
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if (nolog) return;
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return;
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logfile = fopen(LOG_FILENAME, "w");
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if (!logfile) {
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perror("log_open");
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exit(0);
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}
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syslog("Logfile opened successfully");
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}
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void log_close(void)
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{
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if (nolog) return;
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if (logfile) {
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fprintf(logfile, "Closing logfile\n");
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fclose(logfile);
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}
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}
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#if 0
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/* Universal debug crash/non-debug warning */
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void derror(char *s, ...)
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{
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va_list ap;
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/* Send the error message */
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if (debug_mode) log("*** EMERGENCY EXIT ***");
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else log("*** TERMINATION ERROR ***");
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/* Do the file logging */
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if (!nolog) {
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va_start(ap, s);
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vfprintf(logfile, s, ap);
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fprintf(logfile, "\n");
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va_end(ap);
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}
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/* If this is an error, exit, else just return */
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if (debug_mode) {
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log_close();
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va_start(ap, s);
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vprintf(s, ap);
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printf("\n");
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va_end(ap);
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exit(0);
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}
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}
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void error(char *s, ...)
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{
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va_list ap;
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log("*** EMERGENCY EXIT ***");
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if (!nolog) {
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va_start(ap, s);
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vfprintf(logfile, s, ap);
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fprintf(logfile, "\n");
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va_end(ap);
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}
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log_close();
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va_start(ap, s);
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vprintf(s, ap);
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printf("\n");
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va_end(ap);
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exit(0);
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}
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#endif
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