mdw@git.distorted.org.uk Git - disorder/blob - lib/log.h

   1 /*
   2  * This file is part of DisOrder.
   3  * Copyright (C) 2004, 2005 Richard Kettlewell
   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, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  18  * USA
  19  */
  20
  21 #ifndef LOG_H
  22 #define LOG_H
  23
  24 #include <stdarg.h>
  25
  26 struct log_output;
  27
  28 void set_progname(char **argv);
  29
  30 void elog(int pri, int errno_value, const char *fmt, va_list ap);
  31
  32 void fatal(int errno_value, const char *msg, ...) attribute((noreturn))
  33   attribute((format (printf, 2, 3)));
  34 void error(int errno_value, const char *msg, ...)
  35   attribute((format (printf, 2, 3)));
  36 void info(const char *msg, ...)
  37   attribute((format (printf, 1, 2)));
  38 void debug(const char *msg, ...)
  39   attribute((format (printf, 1, 2)));
  40 /* report a message of the given class.  @errno_value@ if present an
  41  * non-zero is included.  @fatal@ terminates the process. */
  42
  43 extern int debugging;
  44 /* set when debugging enabled */
  45
  46 extern void (*exitfn)(int) attribute((noreturn));
  47 /* how to exit the program (for fatal) */
  48
  49 extern const char *progname;
  50 /* program name */
  51
  52 extern struct log_output log_stderr, log_syslog, *log_default;
  53 /* some typical outputs */
  54
  55 extern const char *debug_filename;
  56 extern int debug_lineno;
  57
  58 #define D(x) do {                               \
  59   if(debugging) {                               \
  60     debug_filename=__FILE__;                    \
  61     debug_lineno=__LINE__;                      \
  62     debug x;                                    \
  63   }                                             \
  64 } while(0)
  65
  66 #endif /* LOG_H */
  67
  68 /*
  69 Local Variables:
  70 c-basic-offset:2
  71 comment-column:40
  72 fill-column:79
  73 End:
  74 */