tools/carlu/src/debug.h

   1 /*
   2  * carl9170user - userspace testing utility for ar9170 devices
   3  *
   4  * Debug API definition
   5  *
   6  * Copyright 2009, 2010 Christian Lamparter <chunkeey@googlemail.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License along
  19  * with this program; if not, write to the Free Software Foundation, Inc.,
  20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  21  */
  22
  23 #ifndef __CARL9170USER_DEBUG_H
  24 #define __CARL9170USER_DEBUG_H
  25
  26 #include <stdio.h>
  27 #include "compiler.h"
  28
  29 enum debug_level_t {
  30         SILENT,
  31         ERROR,
  32         WARNING,
  33         INFO,
  34         VERBOSE,
  35
  36         /* KEEP LAST */
  37         ALL,
  38 };
  39
  40 extern bool print_message_debug_level;
  41 extern enum debug_level_t debug_level;
  42
  43 #define __fprintf(lvl, fmt, args...)            do {                                            \
  44                 if (lvl <= debug_level) {                                                       \
  45                         if (print_message_debug_level)                                          \
  46                                 fprintf(dbg_lvl_to_fh(lvl), "<%d>:" fmt, lvl, ##args);          \
  47                         else                                                                    \
  48                                 fprintf(dbg_lvl_to_fh(lvl), fmt, ##args);                       \
  49                 }                                                                               \
  50         } while (0);
  51
  52 #define dbg(fmt, args...) __fprintf(VERBOSE, fmt, ##args)
  53 #define info(fmt, args...) __fprintf(INFO, fmt, ##args)
  54 #define warn(fmt, args...) __fprintf(WARNING, fmt, ##args)
  55 #define err(fmt, args...) __fprintf(ERROR, fmt, ##args)
  56
  57 #define BUG_ON(a)                                                                               \
  58         do {                                                                                    \
  59                 if (a) {                                                                        \
  60                         __fprintf(ERROR, "!!!=>BUG IN function \"%s\" at line %d<=!!! %s\n",    \
  61                                  __func__, __LINE__, #a);                                       \
  62                         fflush(stderr);                                                         \
  63                         abort();                                                                \
  64                 }                                                                               \
  65         } while (0)
  66
  67 FILE *dbg_lvl_to_fh(const enum debug_level_t lvl);
  68 void init_debug(void);
  69 void print_hex_dump_bytes(const enum debug_level_t lvl, const char *prefix,
  70                           const void *buf, size_t len);
  71
  72 #endif /* __CARL9170USER_DEBUG_H */