* src/actions.c (cmd_source): display an error message if no file is supplied.

2 files changed, 7 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 349c961..bb2bbe1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,7 @@
 
 	* src/actions.c (cmd_unsetenv): add an '=' to the string passed to
 	putenv.
+	(cmd_source): display an error message if no file is supplied.
 
 	* src/main.c (print_version): update copyright date.
 
diff --git a/src/actions.c b/src/actions.c
index 9c97332..143f965 100644
--- a/src/actions.c
+++ b/src/actions.c
@@ -797,6 +797,12 @@ cmd_source (int interactive, char *data)
 {
   FILE *fileptr;
 
+  if (data == NULL)
+    {
+      message (" source: one argument required ");
+      return NULL;
+    }
+
   if ((fileptr = fopen (data, "r")) == NULL)
     marked_message_printf (0, 0, " source: %s : %s ", data, strerror(errno));
   else