7ed09101f0
Signed-off-by: Ran Benita <ran234@gmail.com> Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
76 lines
2.9 KiB
C
76 lines
2.9 KiB
C
/*
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* kmscon - Log Control
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*
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* Copyright (c) 2011 David Herrmann <dh.herrmann@googlemail.com>
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* Copyright (c) 2011 University of Tuebingen
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* Log Control
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* This is a fairly simply logging API. It forwards all messages to stderr.
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* They may be prefixed with a priority level like kernel messages.
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* To forward the messages to syslog simply connect stderr to the syslog daemon
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* via your init-manager.
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*/
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#ifndef KMSCON_LOG_H
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#define KMSCON_LOG_H
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#include <stdarg.h>
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#include <stdlib.h>
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#include "config.h"
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/* LOG_EMERG and LOG_ALERT do not make sense for this application */
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#define LOG_CRIT "<2>" /* error that cannot be handled correctly */
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#define LOG_ERR "<3>" /* error detected */
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#define LOG_WARNING "<4>" /* warn about unexpected conditions */
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#define LOG_NOTICE "<5>" /* notify about unusual conditions */
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#define LOG_INFO "<6>" /* basic inforomational messages */
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#define LOG_DEBUG "<7>" /* debug messages */
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/* dummy logger which allows gcc to check for printk-format */
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static inline __attribute__ ((format (printf, 1, 2)))
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void log_dummy(const char *format, ...)
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{
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}
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__attribute__ ((format (printf, 1, 2)))
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void log_printf(const char *format, ...);
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__attribute__ ((format (printf, 1, 0)))
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void log_vprintf(const char *format, va_list list);
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#define log_crit(format, ...) log_printf(LOG_CRIT format, ##__VA_ARGS__)
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#define log_err(format, ...) log_printf(LOG_ERR format, ##__VA_ARGS__)
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#define log_warning(format, ...) log_printf(LOG_WARNING format, ##__VA_ARGS__)
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#define log_notice(format, ...) log_printf(LOG_NOTICE format, ##__VA_ARGS__)
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#define log_info(format, ...) log_printf(LOG_INFO format, ##__VA_ARGS__)
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/* log_debug() should produce zero code if DEBUG is disabled */
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#ifndef NDEBUG
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#define log_debug(format, ...) log_printf(LOG_DEBUG format, ##__VA_ARGS__)
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#else
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#define log_debug(format, ...) log_dummy(LOG_DEBUG format, ##__VA_ARGS__)
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#endif
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#endif /* KMSCON_LOG_H */
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