From 5f2bd3bdacc0f62ccc6cd03c9b7bfb0b9a9518dc Mon Sep 17 00:00:00 2001
From: "Pedro F. Giffuni" <pfg@FreeBSD.org>
Date: Mon, 24 Apr 2017 14:56:41 +0000
Subject: [PATCH] scandir(3): promote arraysz to size_t to match numitems.

The internal array size goes through a loop and is compared with numitems
which at its limits makes can be unreachably higher than arraysz.
Prevent an hypothetical overflow by matching the types.

MFC after:	1 week
---
 lib/libc/gen/scandir.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/libc/gen/scandir.c b/lib/libc/gen/scandir.c
index 2382cb03290b..00183b61de73 100644
--- a/lib/libc/gen/scandir.c
+++ b/lib/libc/gen/scandir.c
@@ -82,8 +82,7 @@ scandir(const char *dirname, struct dirent ***namelist,
 #endif
 {
 	struct dirent *d, *p, **names = NULL;
-	size_t numitems;
-	long arraysz;
+	size_t arraysz, numitems;
 	DIR *dirp;
 
 	if ((dirp = opendir(dirname)) == NULL)