sys-file-reader: Tolerate missing MRSETS label source value.

[pspp] / utilities / pspp-dump-sav.c

diff --git a/utilities/pspp-dump-sav.c b/utilities/pspp-dump-sav.c
index a10ff148bdc7fa91ce40a45b866ee38099ef6bab..febf500f99ee8a289083d2a4bd0463a303a99589 100644 (file)
--- a/utilities/pspp-dump-sav.c
+++ b/utilities/pspp-dump-sav.c
@@ -795,7 +795,11 @@ read_mrsets (struct sfm_reader *r, size_t size, size_t count)
             }
 
           number = text_tokenize (text, ' ');
-          if (!strcmp (number, "11"))
+          if (!number)
+            sys_warn (r, "Missing label source value "
+                      "following `E' at offset %zu in MRSETS record",
+                      text_pos (text));
+          else if (!strcmp (number, "11"))
             label_from_var_label = true;
           else if (strcmp (number, "1"))
             sys_warn (r, "Unexpected label source value `%s' "