1 files changed, 37 insertions, 0 deletions
diff --git a/src/debug.h b/src/debug.h
new file mode 100644
index 0000000..81ed247
--- /dev/null
+++ b/src/debug.h
@@ -0,0 +1,37 @@
+/* Copyright (C) 2014 GSS-NTLMSSP contributors, see COPYING for license */
+
+#ifndef _GSSNTLMSSP_DEBUG_H_
+#define _GSSNTLMSSP_DEBUG_H_
+
+#include <stdbool.h>
+#include <time.h>
+
+extern bool gssntlm_debug_initialized;
+extern bool gssntlm_debug_enabled;
+
+void gssntlm_debug_init(void);
+void gssntlm_debug_printf(const char *fmt, ...);
+
+#define unlikely(x) __builtin_expect(!!(x), 0)
+
+static inline int debug_gss_errors(const char *function,
+                                   const char *file,
+                                   unsigned int line,
+                                   unsigned int maj,
+                                   unsigned int min)
+{
+    if (unlikely(gssntlm_debug_initialized == false)) {
+        gssntlm_debug_init();
+    }
+    if (unlikely(gssntlm_debug_enabled == true)) {
+        gssntlm_debug_printf("[%ld] %s: %s() @ %s:%u [%u:%u]\n",
+                             (long)time(NULL),
+                             GSS_ERROR(maj) ? "ERROR" : "ALLOK",
+                             function, file, line, maj, min);
+    }
+    return 0;
+}
+#define DEBUG_GSS_ERRORS(maj, min) \
+    debug_gss_errors(__FUNCTION__, __FILE__, __LINE__, maj, min)
+
+#endif /* _GSSNTLMSSP_DEBUG_H_ */