In man(1) mode, properly clean up the resn[] result array

[mandoc.git] / main.c

diff --git a/main.c b/main.c
index c5a7cff918ab681846f5fb0dde9293f7f08fde25..c23a1a7fdf0d4a352458f998e5a6a774ede0b41b 100644 (file)
--- a/main.c
+++ b/main.c
@@ -1,4 +1,4 @@
-/* $Id: main.c,v 1.358 2021/09/04 22:38:46 schwarze Exp $ */
+/* $Id: main.c,v 1.359 2021/10/04 20:24:06 schwarze Exp $ */
 /*
  * Copyright (c) 2010-2012, 2014-2021 Ingo Schwarze <schwarze@openbsd.org>
  * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
@@ -516,6 +516,9 @@ main(int argc, char *argv[])
                                memcpy(res + ressz, resn,
                                    sizeof(*resn) * resnsz);
                                ressz += resnsz;
+                               free(resn);
+                               resn = NULL;
+                               resnsz = 0;
                                continue;
                        }
 
@@ -554,6 +557,10 @@ main(int argc, char *argv[])
                        res = mandoc_reallocarray(res, ressz + 1,
                            sizeof(*res));
                        memcpy(res + ressz++, resn + ib, sizeof(*resn));
+                       memset(resn + ib, 0, sizeof(*resn));
+                       mansearch_free(resn, resnsz);
+                       resn = NULL;
+                       resnsz = 0;
                }
 
        /* apropos(1), whatis(1): Process the full search expression. */