From 42ac5368e1505094dd006418f049e2b8b1d80b92 Mon Sep 17 00:00:00 2001
From: Benno Schulenberg <bensberg@justemail.net>
Date: Mon, 30 Nov 2015 16:44:44 +0000
Subject: [PATCH] Allowing an array parameter to be NULL. This fixes Savannah
 bug #46420.

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5457 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
---
 ChangeLog     | 2 ++
 src/browser.c | 3 +--
 src/files.c   | 3 ++-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 6f6628c7..df063290 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -6,6 +6,8 @@
 	* src/text.c (add_undo, update_undo, do_undo, do_redo), src/nano.h:
 	Store and retrieve the correct file size before and after an action.
 	This fixes Savannah bug #45523.
+	* src/files.c (free_chararray): Allow the parameter to be NULL.
+	This fixes Savannah bug #46420.
 
 2015-11-29  Benno Schulenberg  <bensberg@justemail.net>
 	* src/color.c (reset_multis): Evaluate correctly whether to reset
diff --git a/src/browser.c b/src/browser.c
index eb6119ac..25d24402 100644
--- a/src/browser.c
+++ b/src/browser.c
@@ -460,8 +460,7 @@ void browser_init(const char *path, DIR *dir)
 
     rewinddir(dir);
 
-    if (filelist != NULL)
-	free_chararray(filelist, filelist_len);
+    free_chararray(filelist, filelist_len);
 
     filelist_len = i;
 
diff --git a/src/files.c b/src/files.c
index 220f978d..4631cd2f 100644
--- a/src/files.c
+++ b/src/files.c
@@ -2553,7 +2553,8 @@ int diralphasort(const void *va, const void *vb)
  * elements. */
 void free_chararray(char **array, size_t len)
 {
-    assert(array != NULL);
+    if (array == NULL)
+	return;
 
     for (; len > 0; len--)
 	free(array[len - 1]);