Improve use of std::unique_ptr

* Use unique_ptr in place of shared_ptr in some cases
* unique_ptr for arrays does not require a custom deleter
* use std::make_unique (c++14) where possible

1 files changed, 1 insertions, 3 deletions

diff --git a/libqpdf/Pl_AES_PDF.cc b/libqpdf/Pl_AES_PDF.cc
index 6a58a321..de1f666f 100644
--- a/libqpdf/Pl_AES_PDF.cc
+++ b/libqpdf/Pl_AES_PDF.cc
@@ -25,9 +25,7 @@ Pl_AES_PDF::Pl_AES_PDF(char const* identifier, Pipeline* next,
     use_specified_iv(false),
     disable_padding(false)
 {
-    this->key = std::unique_ptr<unsigned char[]>(
-        new unsigned char[key_bytes],
-        std::default_delete<unsigned char[]>());
+    this->key = std::make_unique<unsigned char[]>(key_bytes);
     std::memcpy(this->key.get(), key, key_bytes);
     std::memset(this->inbuf, 0, this->buf_size);
     std::memset(this->outbuf, 0, this->buf_size);