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84 lines
1.6 KiB
C
84 lines
1.6 KiB
C
/*
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* Modem mode switcher
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*
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* Copyright (C) 2009 Dan Williams <dcbw@redhat.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details:
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <time.h>
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#include "utils.h"
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static int debug_on = 0;
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static int quiet = 0;
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FILE *logfile = NULL;
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void
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do_log (int level, const char *fmt, ...)
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{
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va_list args;
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char buffer[1024];
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char tag = 'L';
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if (level >= LOG_DBG && !debug_on)
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return;
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va_start (args, fmt);
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vsnprintf (buffer, sizeof (buffer), fmt, args);
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va_end (args);
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if (level == LOG_ERR)
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tag = 'E';
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else if (level == LOG_MSG)
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tag = 'L';
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else if (level == LOG_DBG)
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tag = 'D';
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if (logfile)
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fprintf (logfile, "%c: %s\n", tag, buffer);
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if (!quiet)
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fprintf ((level == LOG_ERR) ? stderr : stdout, "%c: %s\n", tag, buffer);
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}
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int
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log_startup (const char *path, int do_debug, int be_quiet)
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{
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time_t t;
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quiet = be_quiet;
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debug_on = do_debug;
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if (!path)
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return 0;
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logfile = fopen (path, "a+");
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if (!logfile)
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return 1;
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t = time (NULL);
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message ("\n**** Started: %s\n", ctime (&t));
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return 0;
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}
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void
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log_shutdown (void)
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{
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if (logfile)
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fclose (logfile);
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}
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