From: Ben Pfaff <blp@cs.stanford.edu>
Date: Fri, 25 Nov 2022 20:13:41 +0000 (-0800)
Subject: pivot-table: Fix memory leak in debug print code.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=62e423f7593ab684c20a6381e2e098b97772746d;p=pspp

pivot-table: Fix memory leak in debug print code.
---

diff --git a/src/output/pivot-table.c b/src/output/pivot-table.c
index 93dc74c2d8..1a200f75c0 100644
--- a/src/output/pivot-table.c
+++ b/src/output/pivot-table.c
@@ -1964,7 +1964,10 @@ compose_headings (const struct pivot_table *pt,
                 {
                   headings[row][column] = pivot_value_to_string (c->name, pt);
                   if (!*headings[row][column])
-                    headings[row][column] = xstrdup ("<blank>");
+                    {
+                      free (headings[row][column]);
+                      headings[row][column] = xstrdup ("<blank>");
+                    }
                   row--;
                 }
             }