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log.h

00001 /*
00002  * log.h
00003  *
00004  * Copyright (C) 2003 Bastian Blank <waldi@debian.org>
00005  *
00006  * This program is free software; you can redistribute it and/or modify
00007  * it under the terms of the GNU General Public License as published by
00008  * the Free Software Foundation; either version 2 of the License, or
00009  * (at your option) any later version.
00010  *
00011  * This program is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  * GNU General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU General Public License
00017  * along with this program. If not, see <http://www.gnu.org/licenses/>.
00018  */
00019 
00020 #ifndef DEBIAN_INSTALLER__LOG_H
00021 #define DEBIAN_INSTALLER__LOG_H
00022 
00023 #include <stdarg.h>
00024 
00033 typedef enum
00034 {
00035   DI_LOG_FLAG_FATAL             = 1 << 1,       
00037   DI_LOG_LEVEL_ERROR            = 1 << 2,       
00038   DI_LOG_LEVEL_CRITICAL         = 1 << 3,       
00039   DI_LOG_LEVEL_WARNING          = 1 << 4,       
00040   DI_LOG_LEVEL_MESSAGE          = 1 << 5,       
00041   DI_LOG_LEVEL_INFO             = 1 << 6,       
00042   DI_LOG_LEVEL_DEBUG            = 1 << 7,       
00043   DI_LOG_LEVEL_OUTPUT           = 1 << 8,       
00045   DI_LOG_LEVEL_MASK             = ~DI_LOG_FLAG_FATAL,   
00046   DI_LOG_FATAL_MASK             = DI_LOG_LEVEL_ERROR,   
00047 }
00048 di_log_level_flags;
00049 
00050 typedef void di_log_handler (di_log_level_flags log_level, const char *message, void *user_data);
00051 
00055 #define di_error(format...) di_log (DI_LOG_LEVEL_ERROR, format)
00056 
00059 #define di_warning(format...) di_log (DI_LOG_LEVEL_WARNING, format)
00060 
00063 #define di_info(format...) di_log (DI_LOG_LEVEL_INFO, format)
00064 
00067 #define di_debug(format...) di_log (DI_LOG_LEVEL_DEBUG, format)
00068 
00075 void di_log (di_log_level_flags log_level, const char *format, ...) __attribute__ ((format(printf,2,3)));
00083 void di_vlog (di_log_level_flags log_level, const char *format, va_list args);
00084 
00092 unsigned int di_log_set_handler (di_log_level_flags log_levels, di_log_handler *log_func, void *user_data);
00093 
00094 di_log_handler
00099   di_log_handler_default,
00104   di_log_handler_syslog;
00105 
00107 #endif

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