libudev: add library to access udev information

1 files changed, 60 insertions, 0 deletions

diff --git a/udev/lib/libudev-private.h b/udev/lib/libudev-private.h
new file mode 100644
index 0000000000..8f7e247f58
--- /dev/null
+++ b/udev/lib/libudev-private.h
@@ -0,0 +1,60 @@
+/*
+ * libudev - interface to udev device information
+ *
+ * Copyright (C) 2008 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ * This program 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.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _LIBUDEV_PRIVATE_H_
+#define _LIBUDEV_PRIVATE_H_
+
+#include "libudev.h"
+#include "../udev.h"
+
+struct udev {
+	int refcount;
+	void (*log_fn)(struct udev *udev,
+		       int priority, const char *file, int line, const char *fn,
+		       const char *format, va_list args);
+};
+
+struct udev_device {
+	int refcount;
+	struct udev *udev;
+	struct udevice *udevice;
+};
+
+#ifdef USE_LOG
+#define log_dbg(udev, arg...) \
+	udev_log(udev, LOG_DEBUG, __FILE__, __LINE__, __FUNCTION__, ## arg)
+
+#define log_info(udev, arg...) \
+	udev_log(udev, LOG_INFO, __FILE__, __LINE__, __FUNCTION__, ## arg)
+
+#define log_err(udev, arg...) \
+	udev_log(udev, LOG_ERR, __FILE__, __LINE__, __FUNCTION__, ## arg)
+
+void udev_log(struct udev *udev,
+	      int priority, const char *file, int line, const char *fn,
+	      const char *format, ...)
+	      __attribute__ ((format(printf, 6, 7)));
+#else
+static inline void udev_log(struct udev *udev,
+	      int priority, const char *file, int line, const char *fn,
+	      const char *format, ...)
+	      __attribute__ ((format(printf, 6, 7))) {}
+#endif
+
+#endif