1 files changed, 32 insertions, 0 deletions
diff --git a/woip/c/debug.h b/woip/c/debug.h
new file mode 100644
index 0000000..efc871a
--- /dev/null
+++ b/woip/c/debug.h
@@ -0,0 +1,32 @@
+#ifndef __DEBUG_H__
+#define __DEBUG_H__
+
+#include <stdbool.h>
+#include <errno.h>
+#include <string.h>
+
+#ifdef STRIP_DEBUG
+#define debug(...)
+#else
+#define debug(fmt, ...) (debug ? fprintf(stderr, "debug: " fmt "\n", \
+                                         ##__VA_ARGS__) : false)
+#endif
+
+#define fatal(error, ...) do { \
+  fprintf(stderr, error, ##__VA_ARGS__); \
+  fprintf(stderr, " (errno %d: %s)\n", errno, strerror(errno)); \
+  exit(1); \
+  } while(0)
+
+
+#ifndef __GNUC__
+#error I want GNU C plz
+#endif
+
+#ifdef DEBUG
+static bool debug = true;
+#else
+static bool debug = false;
+#endif
+
+#endif