src/log.c

   1 /*======================================================================*
   2  * Copyright (C) 2008 Light Weight Event System                         *
   3  * All rights reserved.                                                 *
   4  *                                                                      *
   5  * This program is free software; you can redistribute it and/or modify *
   6  * it under the terms of the GNU General Public License as published by *
   7  * the Free Software Foundation; either version 2 of the License, or    *
   8  * (at your option) any later version.                                  *
   9  *                                                                      *
  10  * This program is distributed in the hope that it will be useful,      *
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
  13  * GNU General Public License for more details.                         *
  14  *                                                                      *
  15  * You should have received a copy of the GNU General Public License    *
  16  * along with this program; if not, write to the Free Software          *
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor,                   *
  18  * Boston, MA 02110-1301 USA.                                           *
  19  *======================================================================*/
  20
  21 #include "config.h"
  22
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <stdarg.h>
  26 #include <unistd.h>
  27 #include <string.h>
  28 #include "log.h"
  29 #include "opt.h"
  30
  31 void log_msg(int level, const char* fname, int lineno, const char* format, ...) {
  32   char buf[1024];
  33   va_list ap;
  34
  35   /* check for illegal logging level */
  36   if(level <= 0)
  37   {
  38     printf ("logging level <= 0\n");
  39     return;
  40   }
  41
  42   /* check for ignored message logging level */
  43   if((level & arg_log_level) == 0)
  44   {
  45     return;
  46   }
  47
  48   va_start(ap, format);
  49   vsnprintf(buf, sizeof(buf), format, ap);
  50   va_end(ap);
  51
  52   fprintf(stdout, "%s:%d : %s", fname, lineno, buf);
  53 }
  54
  55 void log_get_level_string(char* str, int len)
  56 {
  57   *str = '\0';
  58
  59   if ( LOG_MASK_ERROR & arg_log_level )
  60     {
  61       strncat(str, "ERROR ", len - strlen(str));
  62     }
  63
  64   if ( LOG_MASK_WARNING & arg_log_level )
  65     {
  66       strncat(str, "WARNING ", len - strlen(str));
  67     }
  68
  69   if ( LOG_MASK_INFO & arg_log_level )
  70     {
  71       strncat(str, "INFO ", len - strlen(str));
  72     }
  73
  74   if ( LOG_MASK_PROGRESS & arg_log_level )
  75     {
  76       strncat(str, "PROGRESS ", len - strlen(str));
  77     }
  78
  79   str[len - 1] = '\0';
  80 }