Import and fix old code

1 files changed, 35 insertions, 0 deletions

diff --git a/include/logger.h b/include/logger.h
new file mode 100644
index 0000000..f582100
--- /dev/null
+++ b/include/logger.h
@@ -0,0 +1,35 @@
+#ifndef __LOGGER_H__
+#define __LOGGER_H__
+
+#include "types.h"
+
+
+#define LOG_DEBUG 0
+#define LOG_INFO 1
+#define LOG_WARN 2
+#define LOG_ERROR 3 /* will be fatal */
+#define LOG_FATAL 4 /* followed directly by maybe cleanup and exit */
+
+#define __LOGFUNC__ __logger.func = __func__
+
+#define logd( s, ... ) __LOGFUNC__; logger( LOG_DEBUG, s, ##__VA_ARGS__ );
+#define logi( s, ... ) __LOGFUNC__; logger( LOG_INFO, s, ##__VA_ARGS__ );
+#define logw( s, ... ) __LOGFUNC__; logger( LOG_WARN, s, ##__VA_ARGS__ );
+#define loge( s, ... ) __LOGFUNC__; logger( LOG_ERROR, s, ##__VA_ARGS__ );
+#define logf( s, ... ) __LOGFUNC__; logger( LOG_FATAL, s, ##__VA_ARGS__ );
+
+
+typedef struct {
+  Size fd;
+  String func;
+} Logger;
+
+extern Logger __logger;
+
+
+Size logger_init( void );
+void logger( Size level, String fmt, ... );
+void logger_term( void );
+
+
+#endif /* __DISPLAY_H__ */