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

   1 /*
   2  * This file is part of DisOrder.
   3  * Copyright (C) 2004, 2005, 2007, 2008 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 3 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, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifndef LOG_H
  20 #define LOG_H
  21
  22 #include <stdarg.h>
  23
  24 struct log_output;
  25
  26 void set_progname(char **argv);
  27
  28 void elog(int pri, int errno_value, const char *fmt, va_list ap);
  29
  30 void fatal(int errno_value, const char *msg, ...) attribute((noreturn))
  31   attribute((format (printf, 2, 3)));
  32 void error(int errno_value, const char *msg, ...)
  33   attribute((format (printf, 2, 3)));
  34 void info(const char *msg, ...)
  35   attribute((format (printf, 1, 2)));
  36 void debug(const char *msg, ...)
  37   attribute((format (printf, 1, 2)));
  38 /* report a message of the given class.  @errno_value@ if present an
  39  * non-zero is included.  @fatal@ terminates the process. */
  40
  41 extern int debugging;
  42 /* set when debugging enabled */
  43
  44 extern void (*exitfn)(int) attribute((noreturn));
  45 /* how to exit the program (for fatal) */
  46
  47 extern const char *progname;
  48 /* program name */
  49
  50 extern struct log_output log_stderr, log_syslog, *log_default;
  51 /* some typical outputs */
  52
  53 extern const char *debug_filename;
  54 extern int debug_lineno;
  55
  56 #define D(x) do {                               \
  57   if(debugging) {                               \
  58     debug_filename=__FILE__;                    \
  59     debug_lineno=__LINE__;                      \
  60     debug x;                                    \
  61   }                                             \
  62 } while(0)
  63
  64 #endif /* LOG_H */
  65
  66 /*
  67 Local Variables:
  68 c-basic-offset:2
  69 comment-column:40
  70 fill-column:79
  71 End:
  72 */