ulog: introduce new simple logging api

[project/libubox.git] / ulog.h

diff --git a/ulog.h b/ulog.h
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+++ b/ulog.h
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+/*
+ * ulog - simple logging functions
+ *
+ * Copyright (C) 2015 Jo-Philipp Wich <jow@openwrt.org>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef __LIBUBOX_ULOG_H
+#define __LIBUBOX_ULOG_H
+
+#include <syslog.h>
+
+enum {
+       ULOG_KMSG   = (1 << 0),
+       ULOG_SYSLOG = (1 << 1),
+       ULOG_STDIO  = (1 << 2)
+};
+
+void ulog_open(int channels, int facility, const char *ident);
+void ulog_close(void);
+
+void ulog_threshold(int threshold);
+
+void ulog(int priority, const char *fmt, ...);
+
+#define ULOG_INFO(fmt, ...) ulog(LOG_INFO, fmt, ## __VA_ARGS__)
+#define ULOG_NOTE(fmt, ...) ulog(LOG_NOTICE, fmt, ## __VA_ARGS__)
+#define ULOG_WARN(fmt, ...) ulog(LOG_WARNING, fmt, ## __VA_ARGS__)
+#define ULOG_ERR(fmt, ...) ulog(LOG_ERR, fmt, ## __VA_ARGS__)
+
+#endif