1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
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. *
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. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
23 #include "replacements.h"
29 * LOG_USER - user messages. Could be anything from information
30 * to progress messags. These messages do not represent
31 * incorrect or unexpected behaviour, just normal execution.
32 * LOG_ERROR - fatal errors, that are likely to cause program abort
33 * LOG_WARNING - non-fatal errors, that may be resolved later
34 * LOG_INFO - state information, etc.
35 * LOG_DEBUG - debug statements, execution trace
47 extern void log_printf(enum log_levels level, const char *file, int line,
48 const char *function, const char *format, ...)
49 __attribute__ ((format (printf, 5, 6)));
50 extern int log_register_commands(struct command_context_s *cmd_ctx);
51 extern int log_init(struct command_context_s *cmd_ctx);
52 extern int set_log_output(struct command_context_s *cmd_ctx, FILE *output);
54 typedef void (*log_callback_fn)(void *priv, const char *file, int line,
55 const char *function, const char *format, va_list args);
57 typedef struct log_callback_s
61 struct log_callback_s *next;
64 extern int log_add_callback(log_callback_fn fn, void *priv);
65 extern int log_remove_callback(log_callback_fn fn, void *priv);
67 char *alloc_printf(const char *fmt, va_list ap);
69 extern int debug_level;
71 /* Avoid fn call and building parameter list if we're not outputting the information.
72 * Matters on feeble CPUs for DEBUG/INFO statements that are involved frequently */
74 #define DEBUG(expr ...) \
75 do { if (debug_level >= LOG_DEBUG) \
76 log_printf (LOG_DEBUG, __FILE__, __LINE__, __FUNCTION__, expr); \
79 #define INFO(expr ...) \
80 do { if (debug_level >= LOG_INFO) \
81 log_printf (LOG_INFO, __FILE__, __LINE__, __FUNCTION__, expr); \
84 #define WARNING(expr ...) \
86 log_printf (LOG_WARNING, __FILE__, __LINE__, __FUNCTION__, expr); \
89 #define ERROR(expr ...) \
91 log_printf (LOG_ERROR, __FILE__, __LINE__, __FUNCTION__, expr); \
94 #define USER(expr ...) \
96 log_printf (LOG_USER, __FILE__, __LINE__, __FUNCTION__, expr); \
99 #define OUTPUT(expr ...) \
101 log_printf (LOG_OUTPUT, __FILE__, __LINE__, __FUNCTION__, expr); \
109 #define ERROR_INVALID_ARGUMENTS (-1)
110 #define ERROR_NO_CONFIG_FILE (-2)
111 #define ERROR_BUF_TOO_SMALL (-3)