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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, write to the Free Software
00018  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
00019  *
00020  * $Id$
00021  */
00022 
00023 #ifndef DEBIAN_INSTALLER__LOG_H
00024 #define DEBIAN_INSTALLER__LOG_H
00025 
00026 #include <stdarg.h>
00027 
00036 typedef enum
00037 {
00038   DI_LOG_FLAG_FATAL             = 1 << 1,       
00040   DI_LOG_LEVEL_ERROR            = 1 << 2,       
00041   DI_LOG_LEVEL_CRITICAL         = 1 << 3,       
00042   DI_LOG_LEVEL_WARNING          = 1 << 4,       
00043   DI_LOG_LEVEL_MESSAGE          = 1 << 5,       
00044   DI_LOG_LEVEL_INFO             = 1 << 6,       
00045   DI_LOG_LEVEL_DEBUG            = 1 << 7,       
00046   DI_LOG_LEVEL_OUTPUT           = 1 << 8,       
00048   DI_LOG_LEVEL_MASK             = ~DI_LOG_FLAG_FATAL,   
00049   DI_LOG_FATAL_MASK             = DI_LOG_LEVEL_ERROR,   
00050 }
00051 di_log_level_flags;
00052 
00053 typedef void di_log_handler (di_log_level_flags log_level, const char *message, void *user_data);
00054 
00058 #define di_error(format...) di_log (DI_LOG_LEVEL_ERROR, format)
00059 
00062 #define di_warning(format...) di_log (DI_LOG_LEVEL_WARNING, format)
00063 
00066 #define di_info(format...) di_log (DI_LOG_LEVEL_INFO, format)
00067 
00070 #define di_debug(format...) di_log (DI_LOG_LEVEL_DEBUG, format)
00071 
00078 void di_log (di_log_level_flags log_level, const char *format, ...) __attribute__ ((format(printf,2,3)));
00086 void di_vlog (di_log_level_flags log_level, const char *format, va_list args);
00087 
00095 unsigned int di_log_set_handler (di_log_level_flags log_levels, di_log_handler *log_func, void *user_data);
00096 
00097 di_log_handler
00102   di_log_handler_default,
00107   di_log_handler_syslog;
00108 
00110 #endif

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