Attached is a patch for following fault.
$ psql
test=# \unset
\unset: missing required argument
Segmentation fault
$
Index: command.c
===================================================================
RCS file: /projects/cvsroot/pgsql/src/bin/psql/command.c,v
retrieving revision 1.63
diff -u -3 -p -r1.63 command.c
--- command.c 2001/11/05 17:46:30 1.63
+++ command.c 2001/12/02 12:30:45
@@ -709,8 +709,7 @@ exec_command(const char *cmd,
{
psql_error("\\%s: missing required argument\n", cmd);
success = false;
- }
- if (!SetVariable(pset.vars, opt, NULL))
+ } else if (!SetVariable(pset.vars, opt, NULL))
{
psql_error("\\%s: error\n", cmd);
success = false;