make it stop on end-of-tape

diff --git a/regtape/students.dc b/regtape/students.dc
index faa8d6f63131eeea4f6c09aa573a12722c90cff4..e57940ef6c54eafd7e12728507e7398775a25c9d 100644 (file)
--- a/regtape/students.dc
+++ b/regtape/students.dc
@@ -147,7 +147,8 @@ FILE *in;
          year++;
     }
 
-    fgets(buf, sizeof(buf), in);
+    if (fgets(buf, sizeof(buf), in) == NULL)
+      return((struct entry *)NULL);
     buf[LEN_NAME] = 0;
     p = index(&buf[LOC_NAME], ',');
     if (p)