1 files changed, 28 insertions, 0 deletions
diff --git a/src/dbg.h b/src/dbg.h
new file mode 100644
index 0000000..014c358
--- /dev/null
+++ b/src/dbg.h
@@ -0,0 +1,28 @@
+#ifndef __DBG_H__
+#define __DBG_H__
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+// #define __BFILE__ (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : __FILE__)
+#ifndef __FILENAME__
+#define __FILENAME__ __FILE__
+#endif
+
+/* helper functions which help in replacing the GNU extension ##__VA_ARGS__ */
+#define STRINGIFY(x) #x
+#define LOG_HELPER(f,l,...) fprintf(stderr, "("f":"STRINGIFY(l)"): "__VA_ARGS__)
+#define FATAL_HELPER(M, ...) log_err(M ": %s\n", __VA_ARGS__)
+
+#ifdef NDEBUG
+#define debug(...)
+#else
+#define debug(...) log_err(__VA_ARGS__)
+#endif
+
+#define log_err(...) LOG_HELPER(__FILENAME__, __LINE__, __VA_ARGS__)
+#define fatal(...) {FATAL_HELPER(__VA_ARGS__, strerror(errno)); exit(EXIT_FAILURE);}
+
+#endif