From 4bff4d9d2bd1f63b83ac62fde89181a63bc059c1 Mon Sep 17 00:00:00 2001
From: wesommer <wesommer>
Date: Sun, 2 Aug 1987 21:49:53 +0000
Subject: [PATCH] Prevent recursive query call.

---
 lib/mr_query.c | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/lib/mr_query.c b/lib/mr_query.c
index ab57d674..4418dbf8 100644
--- a/lib/mr_query.c
+++ b/lib/mr_query.c
@@ -6,9 +6,12 @@
  *	Copyright (C) 1987 by the Massachusetts Institute of Technology
  *
  *	$Log$
- *	Revision 1.2  1987-06-16 17:48:58  wesommer
- *	Clean up memory allocation, indenting.
+ *	Revision 1.3  1987-08-02 21:49:53  wesommer
+ *	Prevent recursive query call.
  *
+ * Revision 1.2  87/06/16  17:48:58  wesommer
+ * Clean up memory allocation, indenting.
+ * 
  * Revision 1.1  87/06/04  01:29:32  wesommer
  * Initial revision
  * 
@@ -26,6 +29,7 @@ static char *rcsid_sms_query_c = "$Header$";
  * It builds a new argument vector with the query handle prepended,
  * and calls sms_query_internal.
  */
+int level = 0;
 
 int sms_query(name, argc, argv, callproc, callarg)
     char *name;		/* Query name */
@@ -66,6 +70,9 @@ int sms_query_internal(argc, argv, callproc, callarg)
     register sms_params *params = NULL;
     sms_params *reply = NULL;
     int stopcallbacks = 0;
+
+    if (level) return SMS_QUERY_NOT_REENTRANT;
+    level++;
     
     CHECK_CONNECTED;
 
@@ -92,12 +99,14 @@ int sms_query_internal(argc, argv, callproc, callarg)
 	complete_operation(_sms_recv_op);
 	if (OP_STATUS(_sms_recv_op) != OP_COMPLETE) {
 	    sms_disconnect();
-	    return SMS_ABORTED;
+	    status = SMS_ABORTED;
+	    goto punt_1;
 	}
     }	
 punt:
     sms_destroy_reply(reply);
-
+punt_1:
+    level--;
     return status;
 }
 /*
-- 
2.45.2