RPi: Log refactor

drivers/Linux/log.c

@@ -1,22 +1,122 @@
+#include "log.h"
 #include <stdio.h>
+#include <stdint.h>
 #include <syslog.h>
 #include <stdarg.h>
-#include "log.h"
 
-void mys_log_v(int level, const char *fmt, va_list args)
+// Default values
+static const int log_opts = LOG_CONS | LOG_PERROR;	// print syslog to stderror
+static const int log_facility = LOG_USER;
+
+static uint8_t log_open = 0;
+
+void logOpen(int options, int facility)
 {
-	vsyslog(level, fmt, args);
+	openlog(NULL, options, facility);
+	log_open = 1;
+}
+
+void vlogInfo(const char *fmt, va_list args)
+{
+	if (!log_open) {
+		logOpen(log_opts, log_facility);
+	}
+	vsyslog(LOG_INFO, fmt, args);
 }
 
 void
 #ifdef __GNUC__
-__attribute__((format(printf, 2, 3)))
+__attribute__((format(printf, 1, 2)))
 #endif
-mys_log(int level, const char *fmt, ...)
+logInfo(const char *fmt, ...)
 {
 	va_list args;
 
 	va_start(args, fmt);
-	mys_log_v(level, fmt, args);
+	vlogInfo(fmt, args);
+	va_end(args);
+}
+
+void vlogError(const char *fmt, va_list args)
+{
+	if (!log_open) {
+		logOpen(log_opts, log_facility);
+	}
+	vsyslog(LOG_ERR, fmt, args);
+}
+
+void
+#ifdef __GNUC__
+__attribute__((format(printf, 1, 2)))
+#endif
+logError(const char *fmt, ...)
+{
+	va_list args;
+
+	va_start(args, fmt);
+	vlogError(fmt, args);
+	va_end(args);
+}
+
+void vlogNotice(const char *fmt, va_list args)
+{
+	if (!log_open) {
+		logOpen(log_opts, log_facility);
+	}
+	vsyslog(LOG_NOTICE, fmt, args);
+}
+
+void
+#ifdef __GNUC__
+__attribute__((format(printf, 1, 2)))
+#endif
+logNotice(const char *fmt, ...)
+{
+	va_list args;
+
+	va_start(args, fmt);
+	vlogNotice(fmt, args);
+	va_end(args);
+}
+
+void vlogDebug(const char *fmt, va_list args)
+{
+	if (!log_open) {
+		logOpen(log_opts, log_facility);
+	}
+	vsyslog(LOG_DEBUG, fmt, args);
+}
+
+void
+#ifdef __GNUC__
+__attribute__((format(printf, 1, 2)))
+#endif
+logDebug(const char *fmt, ...)
+{
+	va_list args;
+
+	va_start(args, fmt);
+	vlogDebug(fmt, args);
+	va_end(args);
+}
+
+void vlogWarning(const char *fmt, va_list args)
+{
+	if (!log_open) {
+		logOpen(log_opts, log_facility);
+	}
+	vsyslog(LOG_WARNING, fmt, args);
+}
+
+void
+#ifdef __GNUC__
+__attribute__((format(printf, 1, 2)))
+#endif
+logWarning(const char *fmt, ...)
+{
+	va_list args;
+
+	va_start(args, fmt);
+	vlogWarning(fmt, args);
 	va_end(args);
 }