From df2f5c6a360bd7512d2280aa9cb582bc0aa622bd Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Mon, 7 Feb 2022 08:02:16 -0500
Subject: Add QUtil::make_shared_array to help with PointerHolder transition

---
 include/qpdf/QUtil.hh | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'include')

diff --git a/include/qpdf/QUtil.hh b/include/qpdf/QUtil.hh
index 927fc1d8..b4cb1f6a 100644
--- a/include/qpdf/QUtil.hh
+++ b/include/qpdf/QUtil.hh
@@ -165,6 +165,15 @@ namespace QUtil
     QPDF_DLL
     std::unique_ptr<char[]> make_unique_cstr(std::string const&);
 
+    // Create a shared pointer to an array. From c++20,
+    // std::make_shared<T[]>(n) does this.
+    template <typename T>
+    std::shared_ptr<T>
+    make_shared_array(size_t n)
+    {
+        return std::shared_ptr<T>(new T[n], std::default_delete<T[]>());
+    }
+
     // Returns lower-case hex-encoded version of the string, treating
     // each character in the input string as unsigned.  The output
     // string will be twice as long as the input string.
-- 
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