Fix block padding when the file buffer length is a multiple of 512 an…

…d smaller than Archive_Tar buffer length
pear · Sep 14, 2020 · d73a72a · d73a72a
1 parent 716aacb
commit d73a72a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Archive/Tar.php b/Archive/Tar.php
@@ -1273,7 +1273,7 @@ public function _addFile($p_filename, &$p_header, $p_add_dir, $p_remove_dir, $v_
             while (($v_buffer = fread($v_file, $this->buffer_length)) != '') {
                 $buffer_length = strlen("$v_buffer");
                 if ($buffer_length != $this->buffer_length) {
-                    $pack_size = ((int)($buffer_length / 512) + 1) * 512;
+                    $pack_size = ((int)($buffer_length / 512) + ($buffer_length % 512 !== 0 ? 1 : 0)) * 512;
                     $pack_format = sprintf('a%d', $pack_size);
                 } else {
                     $pack_format = sprintf('a%d', $this->buffer_length);