From: Ben Pfaff <blp@cs.stanford.edu>
Date: Fri, 5 Aug 2022 00:40:41 +0000 (-0700)
Subject: dataset: Fix measure guesser.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?p=pspp;a=commitdiff_plain;h=e9c5e5844109cf683c69f3eea296d7b23fdad839

dataset: Fix measure guesser.
---

diff --git a/src/data/dataset.c b/src/data/dataset.c
index 41b467a0ae..450383fb87 100644
--- a/src/data/dataset.c
+++ b/src/data/dataset.c
@@ -1142,6 +1142,8 @@ measure_guesser_run (struct measure_guesser *mg,
   while (mg->n_vars > 0)
     {
       struct ccase *c = casereader_read (r);
+      if (!c)
+        break;
       measure_guesser_add_case (mg, c);
       case_unref (c);
     }