Add tracing functions for debugging

1 files changed, 7 insertions, 0 deletions

diff --git a/pack.h b/pack.h
index 7a8fc69..ec8cf63 100644
--- a/pack.h
+++ b/pack.h
@@ -9,6 +9,13 @@ enum pack_status {
 	PACK_TOOSMALL,
 };
 
+extern enum pack_trace {
+	PACK_TRACE_OFF,
+	PACK_TRACE_CALL,
+	PACK_TRACE_DEBUG,
+	PACK_TRACE_ALL,
+} pack_trace;
+
 enum pack_status unpack(void *buf, size_t size, const char *fmt, ...);
 
 const char *pack_strerror(enum pack_status status);