===================================================================
RCS file: /home/cvs/OpenXM_contrib2/asir2000/io/ox_asir.c,v
retrieving revision 1.7
retrieving revision 1.10
diff -u -p -r1.7 -r1.10
--- OpenXM_contrib2/asir2000/io/ox_asir.c	2000/02/09 00:37:21	1.7
+++ OpenXM_contrib2/asir2000/io/ox_asir.c	2000/03/16 01:07:00	1.10
@@ -1,4 +1,4 @@
-/* $OpenXM: OpenXM_contrib2/asir2000/io/ox_asir.c,v 1.6 2000/02/08 04:47:11 noro Exp $ */
+/* $OpenXM: OpenXM_contrib2/asir2000/io/ox_asir.c,v 1.9 2000/03/10 06:42:23 noro Exp $ */
 #include "ca.h"
 #include "parse.h"
 #include "signal.h"
@@ -704,6 +704,10 @@ int asir_ox_pop_cmo(void *cmo, int limit)
 	int len;
 
 	obj = asir_pop_one();
+	if ( !valid_as_cmo(obj) ) {
+		fprintf(stderr,"The object at the stack top is invalid as a CMO.\n");
+		return -1;
+	}
 	len = count_as_cmo(obj);
 	if ( len <= limit ) {
 		ox_copy_init(cmo);
@@ -739,10 +743,19 @@ void asir_ox_push_cmd(unsigned int cmd)
 void asir_ox_execute_string(char *s)
 {
 	STRING str;
+	int ret;
+	ERR err;
+	extern char LastError[];
 
 	MKSTR(str,s);
 	asir_push_one((Obj)str);
-	asir_executeString();
+	if ( ret = setjmp(env) ) {
+		if ( ret == 1 ) {
+			create_error(&err,0,LastError); /* XXX */
+			asir_push_one((Obj)err);
+		}
+	} else
+		asir_executeString();
 }
 
 /*
@@ -756,6 +769,10 @@ int asir_ox_peek_cmo_size()
 	int len;
 
 	obj = asir_pop_one();
+	if ( !valid_as_cmo(obj) ) {
+		fprintf(stderr,"The object at the stack top is invalid as a CMO.\n");
+		return 0;
+	}
 	len = count_as_cmo(obj);
 	asir_push_one(obj);
 	return len;
@@ -782,7 +799,7 @@ void asir_ox_init(int byteorder)
 	FILE *ifp;
 
 #if !defined(VISUAL) && !MPI
-	do_server_in_X11 = 1; /* XXX */
+	do_server_in_X11 = 0; /* XXX */
 #endif
 	asir_save_handler();
 #if PARI