tabs and tab overview

log.h

@@ -0,0 +1,70 @@
+#pragma once
+#include <stdbool.h>
+#include <stdarg.h>
+#include "macros.h"
+
+enum log_colorize { LOG_COLORIZE_NEVER, LOG_COLORIZE_ALWAYS, LOG_COLORIZE_AUTO };
+enum log_facility { LOG_FACILITY_USER, LOG_FACILITY_DAEMON };
+
+enum log_class {
+    LOG_CLASS_NONE,
+    LOG_CLASS_ERROR,
+    LOG_CLASS_WARNING,
+    LOG_CLASS_INFO,
+    LOG_CLASS_DEBUG,
+    LOG_CLASS_COUNT,
+};
+
+void log_init(enum log_colorize colorize, bool do_syslog,
+              enum log_facility syslog_facility, enum log_class log_level);
+void log_deinit(void);
+
+void log_msg(
+    enum log_class log_class, const char *module,
+    const char *file, int lineno,
+    const char *fmt, ...) PRINTF(5);
+
+void log_errno(
+    enum log_class log_class, const char *module,
+    const char *file, int lineno,
+    const char *fmt, ...) PRINTF(5);
+
+void log_errno_provided(
+    enum log_class log_class, const char *module,
+    const char *file, int lineno, int _errno,
+    const char *fmt, ...) PRINTF(6);
+
+void log_msg_va(
+    enum log_class log_class, const char *module,
+    const char *file, int lineno, const char *fmt, va_list va) VPRINTF(5);
+void log_errno_va(
+    enum log_class log_class, const char *module,
+    const char *file, int lineno,
+    const char *fmt, va_list va) VPRINTF(5);
+void log_errno_provided_va(
+    enum log_class log_class, const char *module,
+    const char *file, int lineno, int _errno,
+    const char *fmt, va_list va) VPRINTF(6);
+
+
+int log_level_from_string(const char *str);
+const char *log_level_string_hint(void);
+
+#define LOG_ERR(...)  \
+    log_msg(LOG_CLASS_ERROR, LOG_MODULE, __FILE__, __LINE__, __VA_ARGS__)
+#define LOG_ERRNO(...) \
+    log_errno(LOG_CLASS_ERROR, LOG_MODULE, __FILE__, __LINE__, __VA_ARGS__)
+#define LOG_ERRNO_P(_errno, ...)                                        \
+    log_errno_provided(LOG_CLASS_ERROR, LOG_MODULE, __FILE__, __LINE__, \
+                       _errno, __VA_ARGS__)
+#define LOG_WARN(...)  \
+    log_msg(LOG_CLASS_WARNING, LOG_MODULE, __FILE__, __LINE__, __VA_ARGS__)
+#define LOG_INFO(...)  \
+    log_msg(LOG_CLASS_INFO, LOG_MODULE, __FILE__, __LINE__,  __VA_ARGS__)
+
+#if defined(LOG_ENABLE_DBG) && LOG_ENABLE_DBG
+ #define LOG_DBG(...)  \
+    log_msg(LOG_CLASS_DEBUG, LOG_MODULE, __FILE__, __LINE__, __VA_ARGS__)
+#else
+ #define LOG_DBG(...)
+#endif