Return reason in error responses

src/tus_hdr.c

@@ -53,4 +53,6 @@ const char * const hdr_aceh	= "\036Access-Control-Expose-Headers:";
 
 const char * const hdr_allow	= "\006Allow:";
 
+const char * const hdr_reason	= "\007Reason:";
+
 const char * const hdr_vtc	= "\015VTC-Filename:";

src/tus_hdr.h

@@ -51,4 +51,6 @@ extern const char * const hdr_aceh;
 
 extern const char * const hdr_allow;
 
+extern const char * const hdr_reason;
+
 extern const char * const hdr_vtc;

src/tus_response.c

@@ -139,6 +139,11 @@ tus_response(VRT_CTX, const struct VPFX(tus_server) *tussrv,
 		return;
 	}
 	VRT_l_resp_status(ctx, resp->s.status);
+	if (resp->s.reason != NULL) {
+		VRT_l_resp_reason(ctx, resp->s.reason, vrt_null_strands);
+		// FCK H2 - stupid idea to eliminate the reason
+		http_ForceHeader(r, hdr_reason, resp->s.reason);
+	}
 	if (resp->s.status == 405) {
 		http_ForceHeader(r, hdr_allow, allow);
 		return;