1 files changed, 9 insertions, 2 deletions

diff --git a/vendor/maxmind-db/reader/src/MaxMind/Db/Reader/Util.php b/vendor/maxmind-db/reader/src/MaxMind/Db/Reader/Util.php
index 149a5c4..b8c461e 100644
--- a/vendor/maxmind-db/reader/src/MaxMind/Db/Reader/Util.php
+++ b/vendor/maxmind-db/reader/src/MaxMind/Db/Reader/Util.php
@@ -1,10 +1,16 @@
 <?php

 

+declare(strict_types=1);

+

 namespace MaxMind\Db\Reader;

 

 class Util

 {

-    public static function read($stream, $offset, $numberOfBytes)

+    /**

+     * @param resource    $stream

+     * @param int<0, max> $numberOfBytes

+     */

+    public static function read($stream, int $offset, int $numberOfBytes): string

     {

         if ($numberOfBytes === 0) {

             return '';

@@ -15,10 +21,11 @@ class Util
             // We check that the number of bytes read is equal to the number

             // asked for. We use ftell as getting the length of $value is

             // much slower.

-            if (ftell($stream) - $offset === $numberOfBytes) {

+            if ($value !== false && ftell($stream) - $offset === $numberOfBytes) {

                 return $value;

             }

         }

+

         throw new InvalidDatabaseException(

             'The MaxMind DB file contains bad data'

         );