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diff --git a/src/log.h b/src/log.h
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+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#ifndef foologhfoo
+#define foologhfoo
+
+/***
+ This file is part of systemd.
+
+ Copyright 2010 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <syslog.h>
+#include <stdbool.h>
+#include <stdarg.h>
+
+#include "macro.h"
+
+typedef enum LogTarget{
+ LOG_TARGET_CONSOLE,
+ LOG_TARGET_KMSG,
+ LOG_TARGET_JOURNAL,
+ LOG_TARGET_JOURNAL_OR_KMSG,
+ LOG_TARGET_SYSLOG,
+ LOG_TARGET_SYSLOG_OR_KMSG,
+ LOG_TARGET_AUTO, /* console if stderr is tty, JOURNAL_OR_KMSG otherwise */
+ LOG_TARGET_NULL,
+ _LOG_TARGET_MAX,
+ _LOG_TARGET_INVALID = -1
+} LogTarget;
+
+void log_set_target(LogTarget target);
+void log_set_max_level(int level);
+void log_set_facility(int facility);
+
+int log_set_target_from_string(const char *e);
+int log_set_max_level_from_string(const char *e);
+
+void log_show_color(bool b);
+void log_show_location(bool b);
+
+int log_show_color_from_string(const char *e);
+int log_show_location_from_string(const char *e);
+
+LogTarget log_get_target(void);
+int log_get_max_level(void);
+
+int log_open(void);
+void log_close(void);
+void log_forget_fds(void);
+
+void log_close_syslog(void);
+void log_close_journal(void);
+void log_close_kmsg(void);
+void log_close_console(void);
+
+void log_parse_environment(void);
+
+int log_meta(
+ int level,
+ const char*file,
+ int line,
+ const char *func,
+ const char *format, ...) _printf_attr_(5,6);
+
+int log_metav(
+ int level,
+ const char*file,
+ int line,
+ const char *func,
+ const char *format,
+ va_list ap);
+
+_noreturn_ void log_assert_failed(const char *text, const char *file, int line, const char *func);
+_noreturn_ void log_assert_failed_unreachable(const char *text, const char *file, int line, const char *func);
+
+/* This modifies the buffer passed! */
+int log_dump_internal(
+ int level,
+ const char*file,
+ int line,
+ const char *func,
+ char *buffer);
+
+#define log_full(level, ...) log_meta(level, __FILE__, __LINE__, __func__, __VA_ARGS__)
+
+#define log_debug(...) log_meta(LOG_DEBUG, __FILE__, __LINE__, __func__, __VA_ARGS__)
+#define log_info(...) log_meta(LOG_INFO, __FILE__, __LINE__, __func__, __VA_ARGS__)
+#define log_notice(...) log_meta(LOG_NOTICE, __FILE__, __LINE__, __func__, __VA_ARGS__)
+#define log_warning(...) log_meta(LOG_WARNING, __FILE__, __LINE__, __func__, __VA_ARGS__)
+#define log_error(...) log_meta(LOG_ERR, __FILE__, __LINE__, __func__, __VA_ARGS__)
+
+/* This modifies the buffer passed! */
+#define log_dump(level, buffer) log_dump_internal(level, __FILE__, __LINE__, __func__, buffer)
+
+const char *log_target_to_string(LogTarget target);
+LogTarget log_target_from_string(const char *s);
+
+#endif