1 files changed, 96 insertions, 3 deletions
diff --git a/debug.h b/debug.h
index 0c5e3a5..1241f67 100644
--- a/debug.h
+++ b/debug.h
@@ -28,10 +28,103 @@
 #ifndef __DEBUG_MODULE_DEBUG_H__
 #define __DEBUG_MODULE_DEBUG_H__
 
-#include <stdio.h>
+enum DBG_FLAG {
+  // Features
+#ifdef WITH_DBG_THREAD
+  DBG_FLAG_USE_THREAD       = 0x00000001,
+#endif
+#ifdef WITH_DBG_MUTEX
+  DBG_FLAG_USE_MUTEX        = 0x00000002,
+#endif
+#ifdef WITH_DBG_FILTER
+  DBG_FLAG_USE_FILTER       = 0x00000004,
+#endif
 
-void debug_init(FILE *fp);
-void debug_parse(const char *fmt);
+  // Outputs
+  DBG_FLAG_OUTPUT_TO_STDOUT = 0x00010000,
+  DBG_FLAG_OUTPUT_TO_STDERR = 0x00020000,
+  DBG_FLAG_OUTPUT_TO_FD     = 0x00040000,
+  DBG_FLAG_OUTPUT_TO_FILE   = 0x00080000,
+#ifdef WITH_DBG_SYSLOG
+  DBG_FLAG_OUTPUT_TO_SYSLOG = 0x000f0000,
+#endif
+
+  // Default value of flags
+  DBG_FLAG_DEFAULT          = DBG_FLAG_OUTPUT_TO_STDOUT, // Output to stdout
+};
+
+enum DBG_OPTION {
+  /**
+   * No more options / last option.  This is used
+   * to terminate the VARARGs list.
+   */
+  DBG_OPTION_END,
+
+  /**
+   * const char* argument containing a filename which will be used for log
+   * output. To be used with the DBG_FLAG_OUTPUT_TO_FILE flag.
+   */
+  DBG_OPTION_FILENAME,
+
+  /**
+   * Integer argument describing a file descriptor which will be used for log
+   * output. To be used with the DBG_FLAG_OUTPUT_TO_FD flag.
+   */
+  DBG_OPTION_FD,
+
+  /**
+   * Host and port to use when logging on an external server.
+   * Host is a const char* argument, port is an integer.
+   * To be used with the DBG_FLAG_USE_SYSLOG flag.
+   * Linux: If DBG_OPTION_SYSLOG_HOST is not supplied, the local syslog will be
+   * used.
+   * Windows: If DBG_OPTION_SYSLOG_HOST is not supplied an error will be
+   * returned by debug_init.
+   * If DBG_OPTION_SYSLOG_PORT is not supplied, the default syslogd port will
+   * be used (port 514).
+   */
+#ifdef WITH_DBG_SYSLOG
+  DBG_OPTION_SYSLOG_HOST,
+  DBG_OPTION_SYSLOG_PORT,
+#endif
+
+  /**
+   * 
+   */
+};
+
+typedef enum {
+  DBG_STATUS_OK = 0,
+  DBG_STATUS_UNKNOWN_OPTION,
+  DBG_STATUS_ERROR,
+} dbg_status_t;
+
+/**
+ * @param flags combination of DBG_FLAG values
+ * @param ... list of options (type-value pairs,
+ *        terminated with DBG_OPTION_END).
+ * @return 0 on success, 1 on error.
+ */
+dbg_status_t dbg_init(unsigned int flags, ...);
+void dbg_close();
+
+/**
+ * Example of usage (use mutex protected calls, send output to file):
+ *
+ * dbg_status_t status;
+ * status = debug_init(DBG_FLAG_OUTPUT_TO_FILE | DBG_FLAG_USE_MUTEX,
+ *                     DBG_OPTION_FILENAME, "/tmp/my.log",
+                       DBG_OPTION_END);
+ * if(status != DBG_STATUS_OK) exit(1);
+ * INFO(example, "We are up and running\n");
+ * dbg_close();
+ */
+
+/**
+ * Example of usage (simply outputs to stdout):
+ *
+ * INFO(example, "We are up and running\n");
+ */
 
 enum __debug_class
 {