From c77f5c2515f697ab24c31761999660e4d888c343 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Love=20H=C3=B6rnquist=20=C3=85strand?= <lha@kth.se>
Date: Tue, 19 Jul 2005 14:21:28 +0000
Subject: [PATCH] (find_tag): find external references, we can't handle those,
 so tell user that instead of crashing

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@15659 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 lib/asn1/gen_decode.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/asn1/gen_decode.c b/lib/asn1/gen_decode.c
index f94948063..7f64248cd 100644
--- a/lib/asn1/gen_decode.c
+++ b/lib/asn1/gen_decode.c
@@ -32,6 +32,7 @@
  */
 
 #include "gen_locl.h"
+#include "lex.h"
 
 RCSID("$Id$");
 
@@ -160,6 +161,14 @@ find_tag (const Type *t,
 	*tag = t->tag.tagvalue;
 	break;
     case TType: 
+	if ((t->symbol->stype == Stype && t->symbol->type == NULL)
+	    || t->symbol->stype == SUndefined) {
+	    error_message("%s is imported or still undefined, "
+			  " can't generate tag checking data in CHOICE "
+			  "without this information",
+			  t->symbol->name);
+	    exit(1);
+	}
 	find_tag(t->symbol->type, cl, ty, tag);
 	return;
     case TUTCTime: